text: // ==ClosureCompiler==
  // @compilation_level SIMPLE_OPTIMIZATIONS
  
  /**
   * @license Highcharts JS v4.2.5 (2016-05-06)
   *
   * 3D features for Highcharts JS
   *
   * @license: www.highcharts.com/license
   */
  
  (function (factory) {
      if (typeof module === 'object' && module.exports) {
          module.exports = factory;
      } else {
          factory(Highcharts);
      }
  }(function (Highcharts) {
  /**
          Shorthands for often used function
      */
      var animObject = Highcharts.animObject,
          each = Highcharts.each,
          extend = Highcharts.extend,
          inArray = Highcharts.inArray,
          merge = Highcharts.merge,
          pick = Highcharts.pick,
          wrap = Highcharts.wrap;
      /**
       *    Mathematical Functionility
       */
      var PI = Math.PI,
          deg2rad = (PI / 180), // degrees to radians
          sin = Math.sin,
          cos = Math.cos,
          round = Math.round;
  
      /**
       * Transforms a given array of points according to the angles in chart.options.
       * Parameters:
       *        - points: the array of points
       *        - chart: the chart
       *        - insidePlotArea: wether to verifiy the points are inside the plotArea
       * Returns:
       *        - an array of transformed points
       */
      function perspective(points, chart, insidePlotArea) {
          var options3d = chart.options.chart.options3d,
              inverted = false,
              origin,
              scale = chart.scale3d || 1;
  
          if (insidePlotArea) {
              inverted = chart.inverted;
              origin = {
                  x: chart.plotWidth / 2,
                  y: chart.plotHeight / 2,
                  z: options3d.depth / 2,
                  vd: pick(options3d.depth, 1) * pick(options3d.viewDistance, 0)
              };
          } else {
              origin = {
                  x: chart.plotLeft + (chart.plotWidth / 2),
                  y: chart.plotTop + (chart.plotHeight / 2),
                  z: options3d.depth / 2,
                  vd: pick(options3d.depth, 1) * pick(options3d.viewDistance, 0)
              };
          }
  
          var result = [],
              xe = origin.x,
              ye = origin.y,
              ze = origin.z,
              vd = origin.vd,
              angle1 = deg2rad * (inverted ?  options3d.beta  : -options3d.beta),
              angle2 = deg2rad * (inverted ? -options3d.alpha :  options3d.alpha),
              s1 = sin(angle1),
              c1 = cos(angle1),
              s2 = sin(angle2),
              c2 = cos(angle2);
  
          var x, y, z, px, py, pz;
  
          // Transform each point
          each(points, function (point) {
              x = (inverted ? point.y : point.x) - xe;
              y = (inverted ? point.x : point.y) - ye;
              z = (point.z || 0) - ze;
  
              // Apply 3-D rotation
              // Euler Angles (XYZ): cosA = cos(Alfa|Roll), cosB = cos(Beta|Pitch), cosG = cos(Gamma|Yaw) 
              // 
              // Composite rotation:
              // |          cosB * cosG             |           cosB * sinG            |    -sinB    |
              // | sinA * sinB * cosG - cosA * sinG | sinA * sinB * sinG + cosA * cosG | sinA * cosB |
              // | cosA * sinB * cosG + sinA * sinG | cosA * sinB * sinG - sinA * cosG | cosA * cosB |
              // 
              // Now, Gamma/Yaw is not used (angle=0), so we assume cosG = 1 and sinG = 0, so we get:
              // |     cosB    |   0    |   - sinB    |
              // | sinA * sinB |  cosA  | sinA * cosB |
              // | cosA * sinB | - sinA | cosA * cosB |
              // 
              // But in browsers, y is reversed, so we get sinA => -sinA. The general result is:
              // |      cosB     |   0    |    - sinB     |     | x |     | px |
              // | - sinA * sinB |  cosA  | - sinA * cosB |  x  | y |  =  | py | 
              // |  cosA * sinB  |  sinA  |  cosA * cosB  |     | z |     | pz |
              //
              // Result: 
              px = c1 * x - s1 * z;
              py = -s1 * s2 * x + c2 * y - c1 * s2 * z;
              pz = s1 * c2 * x + s2 * y + c1 * c2 * z;
  
  
              // Apply perspective
              if ((vd > 0) && (vd < Number.POSITIVE_INFINITY)) {
                  px = px * (vd / (pz + ze + vd));
                  py = py * (vd / (pz + ze + vd));
              }
  
  
              //Apply translation
              px = px * scale + xe;
              py = py * scale + ye;
              pz = pz * scale + ze;
  
  
              result.push({
                  x: (inverted ? py : px),
                  y: (inverted ? px : py),
                  z: pz
              });
          });
          return result;
      }
      // Make function acessible to plugins
      Highcharts.perspective = perspective;
      /***
          EXTENSION TO THE SVG-RENDERER TO ENABLE 3D SHAPES
          ***/
      ////// HELPER METHODS //////
  
      var dFactor = (4 * (Math.sqrt(2) - 1) / 3) / (PI / 2);
  
      function defined(obj) {
          return obj !== undefined && obj !== null;
      }
  
      //Shoelace algorithm -- http://en.wikipedia.org/wiki/Shoelace_formula
      function shapeArea(vertexes) {
          var area = 0,
              i,
              j;
          for (i = 0; i < vertexes.length; i++) {
              j = (i + 1) % vertexes.length;
              area += vertexes[i].x * vertexes[j].y - vertexes[j].x * vertexes[i].y;
          }
          return area / 2;
      }
  
      function averageZ(vertexes) {
          var z = 0,
              i;
          for (i = 0; i < vertexes.length; i++) {
              z += vertexes[i].z;
          }
          return vertexes.length ? z / vertexes.length : 0;
      }
  
      /** Method to construct a curved path
        * Can 'wrap' around more then 180 degrees
        */
      function curveTo(cx, cy, rx, ry, start, end, dx, dy) {
          var result = [];
          if ((end > start) && (end - start > PI / 2 + 0.0001)) {
              result = result.concat(curveTo(cx, cy, rx, ry, start, start + (PI / 2), dx, dy));
              result = result.concat(curveTo(cx, cy, rx, ry, start + (PI / 2), end, dx, dy));
          } else if ((end < start) && (start - end > PI / 2 + 0.0001)) {
              result = result.concat(curveTo(cx, cy, rx, ry, start, start - (PI / 2), dx, dy));
              result = result.concat(curveTo(cx, cy, rx, ry, start - (PI / 2), end, dx, dy));
          } else {
              var arcAngle = end - start;
              result = [
                  'C',
                  cx + (rx * cos(start)) - ((rx * dFactor * arcAngle) * sin(start)) + dx,
                  cy + (ry * sin(start)) + ((ry * dFactor * arcAngle) * cos(start)) + dy,
                  cx + (rx * cos(end)) + ((rx * dFactor * arcAngle) * sin(end)) + dx,
                  cy + (ry * sin(end)) - ((ry * dFactor * arcAngle) * cos(end)) + dy,
  
                  cx + (rx * cos(end)) + dx,
                  cy + (ry * sin(end)) + dy
              ];
          }
          return result;
      }
  
      Highcharts.SVGRenderer.prototype.toLinePath = function (points, closed) {
          var result = [];
  
          // Put "L x y" for each point
          Highcharts.each(points, function (point) {
              result.push('L', point.x, point.y);
          });
  
          if (points.length) {
              // Set the first element to M
              result[0] = 'M';
  
              // If it is a closed line, add Z
              if (closed) {
                  result.push('Z');
              }
          }
  
          return result;
      };
  
      ////// CUBOIDS //////
      Highcharts.SVGRenderer.prototype.cuboid = function (shapeArgs) {
  
          var result = this.g(),
              paths = this.cuboidPath(shapeArgs);
  
          // create the 3 sides
          result.front = this.path(paths[0]).attr({ zIndex: paths[3], 'stroke-linejoin': 'round' }).add(result);
          result.top = this.path(paths[1]).attr({ zIndex: paths[4], 'stroke-linejoin': 'round' }).add(result);
          result.side = this.path(paths[2]).attr({ zIndex: paths[5], 'stroke-linejoin': 'round' }).add(result);
  
          // apply the fill everywhere, the top a bit brighter, the side a bit darker
          result.fillSetter = function (color) {
              var c0 = color,
                  c1 = Highcharts.Color(color).brighten(0.1).get(),
                  c2 = Highcharts.Color(color).brighten(-0.1).get();
  
              this.front.attr({ fill: c0 });
              this.top.attr({ fill: c1 });
              this.side.attr({ fill: c2 });
  
              this.color = color;
              return this;
          };
  
          // apply opacaity everywhere
          result.opacitySetter = function (opacity) {
              this.front.attr({ opacity: opacity });
              this.top.attr({ opacity: opacity });
              this.side.attr({ opacity: opacity });
              return this;
          };
  
          result.attr = function (args) {
              if (args.shapeArgs || defined(args.x)) {
                  var shapeArgs = args.shapeArgs || args;
                  var paths = this.renderer.cuboidPath(shapeArgs);
                  this.front.attr({ d: paths[0], zIndex: paths[3] });
                  this.top.attr({ d: paths[1], zIndex: paths[4] });
                  this.side.attr({ d: paths[2], zIndex: paths[5] });
              } else {
                  return Highcharts.SVGElement.prototype.attr.call(this, args); // getter returns value
              }
  
              return this;
          };
  
          result.animate = function (args, duration, complete) {
              if (defined(args.x) && defined(args.y)) {
                  var paths = this.renderer.cuboidPath(args);
                  this.front.attr({ zIndex: paths[3] }).animate({ d: paths[0] }, duration, complete);
                  this.top.attr({ zIndex: paths[4] }).animate({ d: paths[1] }, duration, complete);
                  this.side.attr({ zIndex: paths[5] }).animate({ d: paths[2] }, duration, complete);
                  this.attr({
                      zIndex: -paths[6] // #4774
                  });
              } else if (args.opacity) {
                  this.front.animate(args, duration, complete);
                  this.top.animate(args, duration, complete);
                  this.side.animate(args, duration, complete);
              } else {
                  Highcharts.SVGElement.prototype.animate.call(this, args, duration, complete);
              }
              return this;
          };
  
          // destroy all children
          result.destroy = function () {
              this.front.destroy();
              this.top.destroy();
              this.side.destroy();
  
              return null;
          };
  
          // Apply the Z index to the cuboid group
          result.attr({ zIndex: -paths[6] });
  
          return result;
      };
  
      /**
       *    Generates a cuboid
       */
      Highcharts.SVGRenderer.prototype.cuboidPath = function (shapeArgs) {
          var x = shapeArgs.x,
              y = shapeArgs.y,
              z = shapeArgs.z,
              h = shapeArgs.height,
              w = shapeArgs.width,
              d = shapeArgs.depth,
              chart = Highcharts.charts[this.chartIndex],
              map = Highcharts.map;
  
          // The 8 corners of the cube
          var pArr = [
              { x: x, y: y, z: z },
              { x: x + w, y: y, z: z },
              { x: x + w, y: y + h, z: z },
              { x: x, y: y + h, z: z },
              { x: x, y: y + h, z: z + d },
              { x: x + w, y: y + h, z: z + d },
              { x: x + w, y: y, z: z + d },
              { x: x, y: y, z: z + d }
          ];
  
          // apply perspective
          pArr = perspective(pArr, chart, shapeArgs.insidePlotArea);
  
          // helper method to decide which side is visible
          function mapPath(i) {
              return pArr[i];
          }
          var pickShape = function (path1, path2) {
              var ret = [];
              path1 = map(path1, mapPath);
              path2 = map(path2, mapPath);
              if (shapeArea(path1) < 0) {
                  ret = path1;
              } else if (shapeArea(path2) < 0) {
                  ret = path2;
              }
              return ret;
          };
  
          // front or back
          var front = [3, 2, 1, 0];
          var back = [7, 6, 5, 4];
          var path1 = pickShape(front, back);
  
          // top or bottom
          var top = [1, 6, 7, 0];
          var bottom = [4, 5, 2, 3];
          var path2 = pickShape(top, bottom);
  
          // side
          var right = [1, 2, 5, 6];
          var left = [0, 7, 4, 3];
          var path3 = pickShape(right, left);
  
          return [this.toLinePath(path1, true), this.toLinePath(path2, true), this.toLinePath(path3, true), averageZ(path1), averageZ(path2), averageZ(path3), averageZ(map(bottom, mapPath)) * 9e9]; // #4774
      };
  
      ////// SECTORS //////
      Highcharts.SVGRenderer.prototype.arc3d = function (attribs) {
  
          var wrapper = this.g(),
              renderer = wrapper.renderer,
              customAttribs = ['x', 'y', 'r', 'innerR', 'start', 'end'];
  
          /**
           * Get custom attributes. Mutate the original object and return an object with only custom attr.
           */
          function suckOutCustom(params) {
              var hasCA = false,
                  ca = {};
              for (var key in params) {
                  if (inArray(key, customAttribs) !== -1) {
                      ca[key] = params[key];
                      delete params[key];
                      hasCA = true;
                  }
              }
              return hasCA ? ca : false;
          }
  
          attribs = merge(attribs);
  
          attribs.alpha *= deg2rad;
          attribs.beta *= deg2rad;
      
          // Create the different sub sections of the shape
          wrapper.top = renderer.path();
          wrapper.side1 = renderer.path();
          wrapper.side2 = renderer.path();
          wrapper.inn = renderer.path();
          wrapper.out = renderer.path();
  
          /**
           * Add all faces
           */
          wrapper.onAdd = function () {
              var parent = wrapper.parentGroup;
              wrapper.top.add(wrapper);
              wrapper.out.add(parent);
              wrapper.inn.add(parent);
              wrapper.side1.add(parent);
              wrapper.side2.add(parent);
          };
  
          /**
           * Compute the transformed paths and set them to the composite shapes
           */
          wrapper.setPaths = function (attribs) {
  
              var paths = wrapper.renderer.arc3dPath(attribs),
                  zIndex = paths.zTop * 100;
  
              wrapper.attribs = attribs;
  
              wrapper.top.attr({ d: paths.top, zIndex: paths.zTop });
              wrapper.inn.attr({ d: paths.inn, zIndex: paths.zInn });
              wrapper.out.attr({ d: paths.out, zIndex: paths.zOut });
              wrapper.side1.attr({ d: paths.side1, zIndex: paths.zSide1 });
              wrapper.side2.attr({ d: paths.side2, zIndex: paths.zSide2 });
  
  
              // show all children
              wrapper.zIndex = zIndex;
              wrapper.attr({ zIndex: zIndex });
  
              // Set the radial gradient center the first time
              if (attribs.center) {
                  wrapper.top.setRadialReference(attribs.center);
                  delete attribs.center;
              }
          };
          wrapper.setPaths(attribs);
  
          // Apply the fill to the top and a darker shade to the sides
          wrapper.fillSetter = function (value) {
              var darker = Highcharts.Color(value).brighten(-0.1).get();
          
              this.fill = value;
  
              this.side1.attr({ fill: darker });
              this.side2.attr({ fill: darker });
              this.inn.attr({ fill: darker });
              this.out.attr({ fill: darker });
              this.top.attr({ fill: value });
              return this;
          };
  
          // Apply the same value to all. These properties cascade down to the children
          // when set to the composite arc3d.
          each(['opacity', 'translateX', 'translateY', 'visibility'], function (setter) {
              wrapper[setter + 'Setter'] = function (value, key) {
                  wrapper[key] = value;
                  each(['out', 'inn', 'side1', 'side2', 'top'], function (el) {
                      wrapper[el].attr(key, value);
                  });
              };
          });
  
          /**
           * Override attr to remove shape attributes and use those to set child paths
           */
          wrap(wrapper, 'attr', function (proceed, params, val) {
              var ca;
              if (typeof params === 'object') {
                  ca = suckOutCustom(params);
                  if (ca) {
                      extend(wrapper.attribs, ca);
                      wrapper.setPaths(wrapper.attribs);
                  }
              }
              return proceed.call(this, params, val);
          });
  
          /**
           * Override the animate function by sucking out custom parameters related to the shapes directly,
           * and update the shapes from the animation step.
           */
          wrap(wrapper, 'animate', function (proceed, params, animation, complete) {
              var ca,
                  from = this.attribs,
                  to;
  
              // Attribute-line properties connected to 3D. These shouldn't have been in the 
              // attribs collection in the first place.
              delete params.center;
              delete params.z;
              delete params.depth;
              delete params.alpha;
              delete params.beta;
  
              animation = animObject(pick(animation, this.renderer.globalAnimation));
          
              if (animation.duration) {
                  params = merge(params); // Don't mutate the original object
                  ca = suckOutCustom(params);
              
                  if (ca) {
                      to = ca;
                      animation.step = function (a, fx) {
                          function interpolate(key) {
                              return from[key] + (pick(to[key], from[key]) - from[key]) * fx.pos;
                          }
                          fx.elem.setPaths(merge(from, {
                              x: interpolate('x'),
                              y: interpolate('y'),
                              r: interpolate('r'),
                              innerR: interpolate('innerR'),
                              start: interpolate('start'),
                              end: interpolate('end')
                          }));
                      };
                  }
              }
              return proceed.call(this, params, animation, complete);
          });
  
          // destroy all children
          wrapper.destroy = function () {
              this.top.destroy();
              this.out.destroy();
              this.inn.destroy();
              this.side1.destroy();
              this.side2.destroy();
  
              Highcharts.SVGElement.prototype.destroy.call(this);
          };
          // hide all children
          wrapper.hide = function () {
              this.top.hide();
              this.out.hide();
              this.inn.hide();
              this.side1.hide();
              this.side2.hide();
          };
          wrapper.show = function () {
              this.top.show();
              this.out.show();
              this.inn.show();
              this.side1.show();
              this.side2.show();
          };
          return wrapper;
      };
  
      /**
       * Generate the paths required to draw a 3D arc
       */
      Highcharts.SVGRenderer.prototype.arc3dPath = function (shapeArgs) {
          var cx = shapeArgs.x, // x coordinate of the center
              cy = shapeArgs.y, // y coordinate of the center
              start = shapeArgs.start, // start angle
              end = shapeArgs.end - 0.00001, // end angle
              r = shapeArgs.r, // radius
              ir = shapeArgs.innerR, // inner radius
              d = shapeArgs.depth, // depth
              alpha = shapeArgs.alpha, // alpha rotation of the chart
              beta = shapeArgs.beta; // beta rotation of the chart
  
          // Derived Variables
          var cs = cos(start),        // cosinus of the start angle
              ss = sin(start),        // sinus of the start angle
              ce = cos(end),            // cosinus of the end angle
              se = sin(end),            // sinus of the end angle
              rx = r * cos(beta),        // x-radius
              ry = r * cos(alpha),    // y-radius
              irx = ir * cos(beta),    // x-radius (inner)
              iry = ir * cos(alpha),    // y-radius (inner)
              dx = d * sin(beta),        // distance between top and bottom in x
              dy = d * sin(alpha);    // distance between top and bottom in y
  
          // TOP
          var top = ['M', cx + (rx * cs), cy + (ry * ss)];
          top = top.concat(curveTo(cx, cy, rx, ry, start, end, 0, 0));
          top = top.concat([
              'L', cx + (irx * ce), cy + (iry * se)
          ]);
          top = top.concat(curveTo(cx, cy, irx, iry, end, start, 0, 0));
          top = top.concat(['Z']);
          // OUTSIDE
          var b = (beta > 0 ? PI / 2 : 0),
              a = (alpha > 0 ? 0 : PI / 2);
  
          var start2 = start > -b ? start : (end > -b ? -b : start),
              end2 = end < PI - a ? end : (start < PI - a ? PI - a : end),
              midEnd = 2 * PI - a;
      
          // When slice goes over bottom middle, need to add both, left and right outer side.
          // Additionally, when we cross right hand edge, create sharp edge. Outer shape/wall:
          //
          //            -------
          //          /    ^    \
          //    4)   /   /   \   \  1)
          //        /   /     \   \
          //       /   /       \   \
          // (c)=> ====         ==== <=(d) 
          //       \   \       /   /
          //        \   \<=(a)/   /
          //         \   \   /   / <=(b)
          //    3)    \    v    /  2)
          //            -------
          //
          // (a) - inner side
          // (b) - outer side
          // (c) - left edge (sharp)
          // (d) - right edge (sharp)
          // 1..n - rendering order for startAngle = 0, when set to e.g 90, order changes clockwise (1->2, 2->3, n->1) and counterclockwise for negative startAngle
  
          var out = ['M', cx + (rx * cos(start2)), cy + (ry * sin(start2))];
          out = out.concat(curveTo(cx, cy, rx, ry, start2, end2, 0, 0));
  
          if (end > midEnd && start < midEnd) { // When shape is wide, it can cross both, (c) and (d) edges, when using startAngle
              // Go to outer side
              out = out.concat([
                  'L', cx + (rx * cos(end2)) + dx, cy + (ry * sin(end2)) + dy
              ]);
              // Curve to the right edge of the slice (d)
              out = out.concat(curveTo(cx, cy, rx, ry, end2, midEnd, dx, dy));
              // Go to the inner side
              out = out.concat([
                  'L', cx + (rx * cos(midEnd)), cy + (ry * sin(midEnd))
              ]);
              // Curve to the true end of the slice
              out = out.concat(curveTo(cx, cy, rx, ry, midEnd, end, 0, 0));
              // Go to the outer side
              out = out.concat([
                  'L', cx + (rx * cos(end)) + dx, cy + (ry * sin(end)) + dy
              ]);
              // Go back to middle (d)
              out = out.concat(curveTo(cx, cy, rx, ry, end, midEnd, dx, dy));
              out = out.concat([
                  'L', cx + (rx * cos(midEnd)), cy + (ry * sin(midEnd))
              ]);
              // Go back to the left edge
              out = out.concat(curveTo(cx, cy, rx, ry, midEnd, end2, 0, 0));
          } else if (end > PI - a && start < PI - a) { // But shape can cross also only (c) edge:
              // Go to outer side
              out = out.concat([
                  'L', cx + (rx * cos(end2)) + dx, cy + (ry * sin(end2)) + dy
              ]);
              // Curve to the true end of the slice
              out = out.concat(curveTo(cx, cy, rx, ry, end2, end, dx, dy));
              // Go to the inner side
              out = out.concat([
                  'L', cx + (rx * cos(end)), cy + (ry * sin(end))
              ]);
              // Go back to the artifical end2
              out = out.concat(curveTo(cx, cy, rx, ry, end, end2, 0, 0));
          }
  
          out = out.concat([
              'L', cx + (rx * cos(end2)) + dx, cy + (ry * sin(end2)) + dy
          ]);
          out = out.concat(curveTo(cx, cy, rx, ry, end2, start2, dx, dy));
          out = out.concat(['Z']);
  
          // INSIDE
          var inn = ['M', cx + (irx * cs), cy + (iry * ss)];
          inn = inn.concat(curveTo(cx, cy, irx, iry, start, end, 0, 0));
          inn = inn.concat([
              'L', cx + (irx * cos(end)) + dx, cy + (iry * sin(end)) + dy
          ]);
          inn = inn.concat(curveTo(cx, cy, irx, iry, end, start, dx, dy));
          inn = inn.concat(['Z']);
  
          // SIDES
          var side1 = [
              'M', cx + (rx * cs), cy + (ry * ss),
              'L', cx + (rx * cs) + dx, cy + (ry * ss) + dy,
              'L', cx + (irx * cs) + dx, cy + (iry * ss) + dy,
              'L', cx + (irx * cs), cy + (iry * ss),
              'Z'
          ];
          var side2 = [
              'M', cx + (rx * ce), cy + (ry * se),
              'L', cx + (rx * ce) + dx, cy + (ry * se) + dy,
              'L', cx + (irx * ce) + dx, cy + (iry * se) + dy,
              'L', cx + (irx * ce), cy + (iry * se),
              'Z'
          ];
  
          // correction for changed position of vanishing point caused by alpha and beta rotations
          var angleCorr = Math.atan2(dy, -dx),
              angleEnd = Math.abs(end + angleCorr),
              angleStart = Math.abs(start + angleCorr),
              angleMid = Math.abs((start + end) / 2 + angleCorr);
  
          // set to 0-PI range
          function toZeroPIRange(angle) {
              angle = angle % (2 * PI);
              if (angle > PI) {
                  angle = 2 * PI - angle;
              }
              return angle;
          }
          angleEnd = toZeroPIRange(angleEnd);
          angleStart = toZeroPIRange(angleStart);
          angleMid = toZeroPIRange(angleMid);
  
          // *1e5 is to compensate pInt in zIndexSetter
          var incPrecision = 1e5,
              a1 = angleMid * incPrecision,
              a2 = angleStart * incPrecision,
              a3 = angleEnd * incPrecision;
  
          return {
              top: top,
              zTop: PI * incPrecision + 1, // max angle is PI, so this is allways higher
              out: out,
              zOut: Math.max(a1, a2, a3),
              inn: inn,
              zInn: Math.max(a1, a2, a3),
              side1: side1,
              zSide1: a3 * 0.99, // to keep below zOut and zInn in case of same values
              side2: side2,
              zSide2: a2 * 0.99
          };
      };
      /***
          EXTENSION FOR 3D CHARTS
      ***/
      // Shorthand to check the is3d flag
      Highcharts.Chart.prototype.is3d = function () {
          return this.options.chart.options3d && this.options.chart.options3d.enabled; // #4280
      };
  
      /**
       * Extend the getMargins method to calculate scale of the 3D view. That is required to
       * fit chart's 3D projection into the actual plotting area. Reported as #4933.
       */
      Highcharts.wrap(Highcharts.Chart.prototype, 'getMargins', function (proceed) {
          var chart = this,
              options3d = chart.options.chart.options3d,
              bbox3d = {
                  minX: Number.MAX_VALUE,
                  maxX: -Number.MAX_VALUE,
                  minY: Number.MAX_VALUE,
                  maxY: -Number.MAX_VALUE
              },
              plotLeft = chart.plotLeft,
              plotRight = chart.plotWidth + plotLeft,
              plotTop = chart.plotTop,
              plotBottom = chart.plotHeight + plotTop,
              originX = plotLeft + chart.plotWidth / 2,
              originY = plotTop + chart.plotHeight / 2,
              scale = 1,
              corners = [],
              i;
  
          proceed.apply(this, [].slice.call(arguments, 1));
  
          if (this.is3d()) {
              if (options3d.fitToPlot === true) {
                  // Clear previous scale in case of updates:
                  chart.scale3d = 1;
  
                  // Top left corners:
                  corners = [{
                      x: plotLeft,
                      y: plotTop,
                      z: 0
                  }, {
                      x: plotLeft,
                      y: plotTop,
                      z: options3d.depth
                  }];
  
                  // Top right corners:
                  for (i = 0; i < 2; i++) {
                      corners.push({
                          x: plotRight,
                          y: corners[i].y,
                          z: corners[i].z
                      });
                  }
  
                  // All bottom corners:
                  for (i = 0; i < 4; i++) {
                      corners.push({
                          x: corners[i].x,
                          y: plotBottom,
                          z: corners[i].z
                      });
                  }
  
                  // Calculate 3D corners:
                  corners = perspective(corners, chart, false);
  
                  // Get bounding box of 3D element:
                  each(corners, function (corner) {
                      bbox3d.minX = Math.min(bbox3d.minX, corner.x);
                      bbox3d.maxX = Math.max(bbox3d.maxX, corner.x);
                      bbox3d.minY = Math.min(bbox3d.minY, corner.y);
                      bbox3d.maxY = Math.max(bbox3d.maxY, corner.y);
                  });
  
                  // Left edge:
                  if (plotLeft > bbox3d.minX) {
                      scale = Math.min(scale, 1 - Math.abs((plotLeft + originX) / (bbox3d.minX + originX)) % 1);
                  }
  
                  // Right edge:
                  if (plotRight < bbox3d.maxX) {
                      scale = Math.min(scale, (plotRight - originX) / (bbox3d.maxX - originX));
                  }
  
                  // Top edge:
                  if (plotTop > bbox3d.minY) {
                      if (bbox3d.minY < 0) {
                          scale = Math.min(scale, (plotTop + originY) / (-bbox3d.minY + plotTop + originY));
                      } else {
                          scale = Math.min(scale, 1 - (plotTop + originY) / (bbox3d.minY + originY) % 1);
                      }
                  }
  
                  // Bottom edge:
                  if (plotBottom < bbox3d.maxY) {
                      scale = Math.min(scale, Math.abs((plotBottom - originY) / (bbox3d.maxY - originY)));
                  }
  
                  // Set scale, used later in perspective method():
                  chart.scale3d = scale;
              }
          }
      });
  
      Highcharts.wrap(Highcharts.Chart.prototype, 'isInsidePlot', function (proceed) {
          return this.is3d() || proceed.apply(this, [].slice.call(arguments, 1));
      });
  
      var defaultChartOptions = Highcharts.getOptions();
      defaultChartOptions.chart.options3d = {
          enabled: false,
          alpha: 0,
          beta: 0,
          depth: 100,
          fitToPlot: true,
          viewDistance: 25,
          frame: {
              bottom: { size: 1, color: 'rgba(255,255,255,0)' },
              side: { size: 1, color: 'rgba(255,255,255,0)' },
              back: { size: 1, color: 'rgba(255,255,255,0)' }
          }
      };
  
      Highcharts.wrap(Highcharts.Chart.prototype, 'init', function (proceed) {
          var args = [].slice.call(arguments, 1),
              plotOptions,
              pieOptions;
  
          if (args[0].chart && args[0].chart.options3d && args[0].chart.options3d.enabled) {
              // Normalize alpha and beta to (-360, 360) range
              args[0].chart.options3d.alpha = (args[0].chart.options3d.alpha || 0) % 360;
              args[0].chart.options3d.beta = (args[0].chart.options3d.beta || 0) % 360;
  
              plotOptions = args[0].plotOptions || {};
              pieOptions = plotOptions.pie || {};
  
              pieOptions.borderColor = Highcharts.pick(pieOptions.borderColor, undefined);
          }
          proceed.apply(this, args);
      });
  
      Highcharts.wrap(Highcharts.Chart.prototype, 'setChartSize', function (proceed) {
          proceed.apply(this, [].slice.call(arguments, 1));
  
          if (this.is3d()) {
              var inverted = this.inverted,
                  clipBox = this.clipBox,
                  margin = this.margin,
                  x = inverted ? 'y' : 'x',
                  y = inverted ? 'x' : 'y',
                  w = inverted ? 'height' : 'width',
                  h = inverted ? 'width' : 'height';
  
              clipBox[x] = -(margin[3] || 0);
              clipBox[y] = -(margin[0] || 0);
              clipBox[w] = this.chartWidth + (margin[3] || 0) + (margin[1] || 0);
              clipBox[h] = this.chartHeight + (margin[0] || 0) + (margin[2] || 0);
          }
      });
  
      Highcharts.wrap(Highcharts.Chart.prototype, 'redraw', function (proceed) {
          if (this.is3d()) {
              // Set to force a redraw of all elements
              this.isDirtyBox = true;
          }
          proceed.apply(this, [].slice.call(arguments, 1));
      });
  
      // Draw the series in the reverse order (#3803, #3917)
      Highcharts.wrap(Highcharts.Chart.prototype, 'renderSeries', function (proceed) {
          var series,
              i = this.series.length;
  
          if (this.is3d()) {
              while (i--) {
                  series = this.series[i];
                  series.translate();
                  series.render();
              }
          } else {
              proceed.call(this);
          }
      });
  
      Highcharts.Chart.prototype.retrieveStacks = function (stacking) {
          var series = this.series,
              stacks = {},
              stackNumber,
              i = 1;
  
          Highcharts.each(this.series, function (s) {
              stackNumber = pick(s.options.stack, (stacking ? 0 : series.length - 1 - s.index)); // #3841, #4532
              if (!stacks[stackNumber]) {
                  stacks[stackNumber] = { series: [s], position: i };
                  i++;
              } else {
                  stacks[stackNumber].series.push(s);
              }
          });
  
          stacks.totalStacks = i + 1;
          return stacks;
      };
  
      /***
          EXTENSION TO THE AXIS
      ***/
      Highcharts.wrap(Highcharts.Axis.prototype, 'setOptions', function (proceed, userOptions) {
          var options;
          proceed.call(this, userOptions);
          if (this.chart.is3d()) {
              options = this.options;
              options.tickWidth = Highcharts.pick(options.tickWidth, 0);
              options.gridLineWidth = Highcharts.pick(options.gridLineWidth, 1);
          }
      });
  
      Highcharts.wrap(Highcharts.Axis.prototype, 'render', function (proceed) {
          proceed.apply(this, [].slice.call(arguments, 1));
  
          // Do not do this if the chart is not 3D
          if (!this.chart.is3d()) {
              return;
          }
  
          var chart = this.chart,
              renderer = chart.renderer,
              options3d = chart.options.chart.options3d,
              frame = options3d.frame,
              fbottom = frame.bottom,
              fback = frame.back,
              fside = frame.side,
              depth = options3d.depth,
              height = this.height,
              width = this.width,
              left = this.left,
              top = this.top;
  
          if (this.isZAxis) {
              return;
          }
          if (this.horiz) {
              var bottomShape = {
                  x: left,
                  y: top + (chart.xAxis[0].opposite ? -fbottom.size : height),
                  z: 0,
                  width: width,
                  height: fbottom.size,
                  depth: depth,
                  insidePlotArea: false
              };
              if (!this.bottomFrame) {
                  this.bottomFrame = renderer.cuboid(bottomShape).attr({
                      fill: fbottom.color,
                      zIndex: (chart.yAxis[0].reversed && options3d.alpha > 0 ? 4 : -1)
                  })
                  .css({
                      stroke: fbottom.color
                  }).add();
              } else {
                  this.bottomFrame.animate(bottomShape);
              }
          } else {
              // BACK
              var backShape = {
                  x: left + (chart.yAxis[0].opposite ? 0 : -fside.size),
                  y: top + (chart.xAxis[0].opposite ? -fbottom.size : 0),
                  z: depth,
                  width: width + fside.size,
                  height: height + fbottom.size,
                  depth: fback.size,
                  insidePlotArea: false
              };
              if (!this.backFrame) {
                  this.backFrame = renderer.cuboid(backShape).attr({
                      fill: fback.color,
                      zIndex: -3
                  }).css({
                      stroke: fback.color
                  }).add();
              } else {
                  this.backFrame.animate(backShape);
              }
              var sideShape = {
                  x: left + (chart.yAxis[0].opposite ? width : -fside.size),
                  y: top + (chart.xAxis[0].opposite ? -fbottom.size : 0),
                  z: 0,
                  width: fside.size,
                  height: height + fbottom.size,
                  depth: depth,
                  insidePlotArea: false
              };
              if (!this.sideFrame) {
                  this.sideFrame = renderer.cuboid(sideShape).attr({
                      fill: fside.color,
                      zIndex: -2
                  }).css({
                      stroke: fside.color
                  }).add();
              } else {
                  this.sideFrame.animate(sideShape);
              }
          }
      });
  
      Highcharts.wrap(Highcharts.Axis.prototype, 'getPlotLinePath', function (proceed) {
          var path = proceed.apply(this, [].slice.call(arguments, 1));
  
          // Do not do this if the chart is not 3D
          if (!this.chart.is3d()) {
              return path;
          }
  
          if (path === null) {
              return path;
          }
  
          var chart = this.chart,
              options3d = chart.options.chart.options3d,
              d = this.isZAxis ? chart.plotWidth : options3d.depth,
              opposite = this.opposite;
          if (this.horiz) {
              opposite = !opposite;
          }
          var pArr = [
              this.swapZ({ x: path[1], y: path[2], z: (opposite ? d : 0) }),
              this.swapZ({ x: path[1], y: path[2], z: d }),
              this.swapZ({ x: path[4], y: path[5], z: d }),
              this.swapZ({ x: path[4], y: path[5], z: (opposite ? 0 : d) })
          ];
  
          pArr = perspective(pArr, this.chart, false);
          path = this.chart.renderer.toLinePath(pArr, false);
  
          return path;
      });
  
      // Do not draw axislines in 3D
      Highcharts.wrap(Highcharts.Axis.prototype, 'getLinePath', function (proceed) {
          return this.chart.is3d() ? [] : proceed.apply(this, [].slice.call(arguments, 1));
      });
  
      Highcharts.wrap(Highcharts.Axis.prototype, 'getPlotBandPath', function (proceed) {
          // Do not do this if the chart is not 3D
          if (!this.chart.is3d()) {
              return proceed.apply(this, [].slice.call(arguments, 1));
          }
  
          var args = arguments,
              from = args[1],
              to = args[2],
              toPath = this.getPlotLinePath(to),
              path = this.getPlotLinePath(from);
  
          if (path && toPath) {
              path.push(
                  'L',
                  toPath[10],    // These two do not exist in the regular getPlotLine
                  toPath[11],  // ---- # 3005
                  'L',
                  toPath[7],
                  toPath[8],
                  'L',
                  toPath[4],
                  toPath[5],
                  'L',
                  toPath[1],
                  toPath[2]
              );
          } else { // outside the axis area
              path = null;
          }
  
          return path;
      });
  
      /***
          EXTENSION TO THE TICKS
      ***/
  
      Highcharts.wrap(Highcharts.Tick.prototype, 'getMarkPath', function (proceed) {
          var path = proceed.apply(this, [].slice.call(arguments, 1));
  
          // Do not do this if the chart is not 3D
          if (!this.axis.chart.is3d()) {
              return path;
          }
  
          var pArr = [
              this.axis.swapZ({ x: path[1], y: path[2], z: 0 }),
              this.axis.swapZ({ x: path[4], y: path[5], z: 0 })
          ];
  
          pArr = perspective(pArr, this.axis.chart, false);
          path = [
              'M', pArr[0].x, pArr[0].y,
              'L', pArr[1].x, pArr[1].y
          ];
          return path;
      });
  
      Highcharts.wrap(Highcharts.Tick.prototype, 'getLabelPosition', function (proceed) {
          var pos = proceed.apply(this, [].slice.call(arguments, 1));
  
          // Do not do this if the chart is not 3D
          if (!this.axis.chart.is3d()) {
              return pos;
          }
  
          var newPos = perspective([this.axis.swapZ({ x: pos.x, y: pos.y, z: 0 })], this.axis.chart, false)[0];
          newPos.x = newPos.x - (!this.axis.horiz && this.axis.opposite ? this.axis.transA : 0); //#3788
          newPos.old = pos;
          return newPos;
      });
  
      Highcharts.wrap(Highcharts.Tick.prototype, 'handleOverflow', function (proceed, xy) {
          if (this.axis.chart.is3d()) {
              xy = xy.old;
          }
          return proceed.call(this, xy);
      });
  
      Highcharts.wrap(Highcharts.Axis.prototype, 'getTitlePosition', function (proceed) {
          var is3d = this.chart.is3d(),
              pos,
              axisTitleMargin;
  
          // Pull out the axis title margin, that is not subject to the perspective
          if (is3d) {
              axisTitleMargin = this.axisTitleMargin;
              this.axisTitleMargin = 0;
          }
  
          pos = proceed.apply(this, [].slice.call(arguments, 1));
  
          if (is3d) {
              pos = perspective([this.swapZ({ x: pos.x, y: pos.y, z: 0 })], this.chart, false)[0];
  
              // Re-apply the axis title margin outside the perspective
              pos[this.horiz ? 'y' : 'x'] += (this.horiz ? 1 : -1) * // horizontal axis reverses the margin ...
                  (this.opposite ? -1 : 1) * // ... so does opposite axes
                  axisTitleMargin;
              this.axisTitleMargin = axisTitleMargin;
          }
          return pos;
      });
  
      Highcharts.wrap(Highcharts.Axis.prototype, 'drawCrosshair', function (proceed) {
          var args = arguments;
          if (this.chart.is3d()) {
              if (args[2]) {
                  args[2] = {
                      plotX: args[2].plotXold || args[2].plotX,
                      plotY: args[2].plotYold || args[2].plotY
                  };
              }
          }
          proceed.apply(this, [].slice.call(args, 1));
      });
  
      /***
          Z-AXIS
      ***/
  
      Highcharts.Axis.prototype.swapZ = function (p, insidePlotArea) {
          if (this.isZAxis) {
              var plotLeft = insidePlotArea ? 0 : this.chart.plotLeft;
              var chart = this.chart;
              return {
                  x: plotLeft + (chart.yAxis[0].opposite ? p.z : chart.xAxis[0].width - p.z),
                  y: p.y,
                  z: p.x - plotLeft
              };
          }
          return p;
      };
  
      var ZAxis = Highcharts.ZAxis = function () {
          this.isZAxis = true;
          this.init.apply(this, arguments);
      };
      Highcharts.extend(ZAxis.prototype, Highcharts.Axis.prototype);
      Highcharts.extend(ZAxis.prototype, {
          setOptions: function (userOptions) {
              userOptions = Highcharts.merge({
                  offset: 0,
                  lineWidth: 0
              }, userOptions);
              Highcharts.Axis.prototype.setOptions.call(this, userOptions);
              this.coll = 'zAxis';
          },
          setAxisSize: function () {
              Highcharts.Axis.prototype.setAxisSize.call(this);
              this.width = this.len = this.chart.options.chart.options3d.depth;
              this.right = this.chart.chartWidth - this.width - this.left;
          },
          getSeriesExtremes: function () {
              var axis = this,
                  chart = axis.chart;
  
              axis.hasVisibleSeries = false;
  
              // Reset properties in case we're redrawing (#3353)
              axis.dataMin = axis.dataMax = axis.ignoreMinPadding = axis.ignoreMaxPadding = null;
  
              if (axis.buildStacks) {
                  axis.buildStacks();
              }
  
              // loop through this axis' series
              Highcharts.each(axis.series, function (series) {
  
                  if (series.visible || !chart.options.chart.ignoreHiddenSeries) {
  
                      var seriesOptions = series.options,
                          zData,
                          threshold = seriesOptions.threshold;
  
                      axis.hasVisibleSeries = true;
  
                      // Validate threshold in logarithmic axes
                      if (axis.isLog && threshold <= 0) {
                          threshold = null;
                      }
  
                      zData = series.zData;
                      if (zData.length) {
                          axis.dataMin = Math.min(pick(axis.dataMin, zData[0]), Math.min.apply(null, zData));
                          axis.dataMax = Math.max(pick(axis.dataMax, zData[0]), Math.max.apply(null, zData));
                      }
                  }
              });
          }
      });
  
  
      /**
      * Extend the chart getAxes method to also get the color axis
      */
      Highcharts.wrap(Highcharts.Chart.prototype, 'getAxes', function (proceed) {
          var chart = this,
              options = this.options,
              zAxisOptions = options.zAxis = Highcharts.splat(options.zAxis || {});
  
          proceed.call(this);
  
          if (!chart.is3d()) {
              return;
          }
          this.zAxis = [];
          Highcharts.each(zAxisOptions, function (axisOptions, i) {
              axisOptions.index = i;
              axisOptions.isX = true; //Z-Axis is shown horizontally, so it's kind of a X-Axis
              var zAxis = new ZAxis(chart, axisOptions);
              zAxis.setScale();
          });
      });
      /***
          EXTENSION FOR 3D COLUMNS
      ***/
      Highcharts.wrap(Highcharts.seriesTypes.column.prototype, 'translate', function (proceed) {
          proceed.apply(this, [].slice.call(arguments, 1));
  
          // Do not do this if the chart is not 3D
          if (!this.chart.is3d()) {
              return;
          }
  
          var series = this,
              chart = series.chart,
              seriesOptions = series.options,
              depth = seriesOptions.depth || 25;
  
          var stack = seriesOptions.stacking ? (seriesOptions.stack || 0) : series._i;
          var z = stack * (depth + (seriesOptions.groupZPadding || 1));
  
          if (seriesOptions.grouping !== false) {
              z = 0;
          }
  
          z += (seriesOptions.groupZPadding || 1);
  
          Highcharts.each(series.data, function (point) {
              if (point.y !== null) {
                  var shapeArgs = point.shapeArgs,
                      tooltipPos = point.tooltipPos;
  
                  point.shapeType = 'cuboid';
                  shapeArgs.z = z;
                  shapeArgs.depth = depth;
                  shapeArgs.insidePlotArea = true;
  
                  // Translate the tooltip position in 3d space
                  tooltipPos = perspective([{ x: tooltipPos[0], y: tooltipPos[1], z: z }], chart, true)[0];
                  point.tooltipPos = [tooltipPos.x, tooltipPos.y];
              }
          });
          // store for later use #4067
          series.z = z;
      });
  
      Highcharts.wrap(Highcharts.seriesTypes.column.prototype, 'animate', function (proceed) {
          if (!this.chart.is3d()) {
              proceed.apply(this, [].slice.call(arguments, 1));
          } else {
              var args = arguments,
                  init = args[1],
                  yAxis = this.yAxis,
                  series = this,
                  reversed = this.yAxis.reversed;
  
              if (Highcharts.svg) { // VML is too slow anyway
                  if (init) {
                      Highcharts.each(series.data, function (point) {
                          if (point.y !== null) {
                              point.height = point.shapeArgs.height;
                              point.shapey = point.shapeArgs.y;    //#2968
                              point.shapeArgs.height = 1;
                              if (!reversed) {
                                  if (point.stackY) {
                                      point.shapeArgs.y = point.plotY + yAxis.translate(point.stackY);
                                  } else {
                                      point.shapeArgs.y = point.plotY + (point.negative ? -point.height : point.height);
                                  }
                              }
                          }
                      });
  
                  } else { // run the animation
                      Highcharts.each(series.data, function (point) {
                          if (point.y !== null) {
                              point.shapeArgs.height = point.height;
                              point.shapeArgs.y = point.shapey;    //#2968
                              // null value do not have a graphic
                              if (point.graphic) {
                                  point.graphic.animate(point.shapeArgs, series.options.animation);
                              }
                          }
                      });
  
                      // redraw datalabels to the correct position
                      this.drawDataLabels();
  
                      // delete this function to allow it only once
                      series.animate = null;
                  }
              }
          }
      });
  
      Highcharts.wrap(Highcharts.seriesTypes.column.prototype, 'init', function (proceed) {
          proceed.apply(this, [].slice.call(arguments, 1));
  
          if (this.chart.is3d()) {
              var seriesOptions = this.options,
                  grouping = seriesOptions.grouping,
                  stacking = seriesOptions.stacking,
                  reversedStacks = pick(this.yAxis.options.reversedStacks, true),
                  z = 0;
          
              if (!(grouping !== undefined && !grouping)) {
                  var stacks = this.chart.retrieveStacks(stacking),
                      stack = seriesOptions.stack || 0,
                      i; // position within the stack
                  for (i = 0; i < stacks[stack].series.length; i++) {
                      if (stacks[stack].series[i] === this) {
                          break;
                      }
                  }
                  z = (10 * (stacks.totalStacks - stacks[stack].position)) + (reversedStacks ? i : -i); // #4369
  
                  // In case when axis is reversed, columns are also reversed inside the group (#3737)
                  if (!this.xAxis.reversed) {
                      z = (stacks.totalStacks * 10) - z;
                  }
              }
  
              seriesOptions.zIndex = z;
          }
      });
      function draw3DPoints(proceed) {
          // Do not do this if the chart is not 3D
          if (this.chart.is3d()) {
              var grouping = this.chart.options.plotOptions.column.grouping;
              if (grouping !== undefined && !grouping && this.group.zIndex !== undefined && !this.zIndexSet) {
                  this.group.attr({ zIndex: this.group.zIndex * 10 });
                  this.zIndexSet = true; // #4062 set zindex only once
              }
  
              var options = this.options,
                  states = this.options.states;
  
              this.borderWidth = options.borderWidth = defined(options.edgeWidth) ? options.edgeWidth : 1; //#4055
  
              Highcharts.each(this.data, function (point) {
                  if (point.y !== null) {
                      var pointAttr = point.pointAttr;
  
                      // Set the border color to the fill color to provide a smooth edge
                      this.borderColor = Highcharts.pick(options.edgeColor, pointAttr[''].fill);
  
                      pointAttr[''].stroke = this.borderColor;
                      pointAttr.hover.stroke = Highcharts.pick(states.hover.edgeColor, this.borderColor);
                      pointAttr.select.stroke = Highcharts.pick(states.select.edgeColor, this.borderColor);
                  }
              });
          }
  
          proceed.apply(this, [].slice.call(arguments, 1));
      }
  
      Highcharts.wrap(Highcharts.Series.prototype, 'alignDataLabel', function (proceed) {
  
          // Only do this for 3D columns and columnranges
          if (this.chart.is3d() && (this.type === 'column' || this.type === 'columnrange')) {
              var series = this,
                  chart = series.chart;
  
              var args = arguments,
                  alignTo = args[4];
  
              var pos = ({ x: alignTo.x, y: alignTo.y, z: series.z });
              pos = perspective([pos], chart, true)[0];
              alignTo.x = pos.x;
              alignTo.y = pos.y;
          }
  
          proceed.apply(this, [].slice.call(arguments, 1));
      });
  
      if (Highcharts.seriesTypes.columnrange) {
          Highcharts.wrap(Highcharts.seriesTypes.columnrange.prototype, 'drawPoints', draw3DPoints);
      }
  
      Highcharts.wrap(Highcharts.seriesTypes.column.prototype, 'drawPoints', draw3DPoints);
  
      /***
          EXTENSION FOR 3D CYLINDRICAL COLUMNS
          Not supported
      ***/
      /*
      var defaultOptions = Highcharts.getOptions();
      defaultOptions.plotOptions.cylinder = Highcharts.merge(defaultOptions.plotOptions.column);
      var CylinderSeries = Highcharts.extendClass(Highcharts.seriesTypes.column, {
          type: 'cylinder'
      });
      Highcharts.seriesTypes.cylinder = CylinderSeries;
  
      Highcharts.wrap(Highcharts.seriesTypes.cylinder.prototype, 'translate', function (proceed) {
          proceed.apply(this, [].slice.call(arguments, 1));
  
          // Do not do this if the chart is not 3D
          if (!this.chart.is3d()) {
              return;
          }
  
          var series = this,
              chart = series.chart,
              options = chart.options,
              cylOptions = options.plotOptions.cylinder,
              options3d = options.chart.options3d,
              depth = cylOptions.depth || 0,
              alpha = options3d.alpha;
  
          var z = cylOptions.stacking ? (this.options.stack || 0) * depth : series._i * depth;
          z += depth / 2;
  
          if (cylOptions.grouping !== false) { z = 0; }
  
          Highcharts.each(series.data, function (point) {
              var shapeArgs = point.shapeArgs;
              point.shapeType = 'arc3d';
              shapeArgs.x += depth / 2;
              shapeArgs.z = z;
              shapeArgs.start = 0;
              shapeArgs.end = 2 * PI;
              shapeArgs.r = depth * 0.95;
              shapeArgs.innerR = 0;
              shapeArgs.depth = shapeArgs.height * (1 / sin((90 - alpha) * deg2rad)) - z;
              shapeArgs.alpha = 90 - alpha;
              shapeArgs.beta = 0;
          });
      });
      */
      /***
          EXTENSION FOR 3D PIES
      ***/
  
      Highcharts.wrap(Highcharts.seriesTypes.pie.prototype, 'translate', function (proceed) {
          proceed.apply(this, [].slice.call(arguments, 1));
  
          // Do not do this if the chart is not 3D
          if (!this.chart.is3d()) {
              return;
          }
  
          var series = this,
              chart = series.chart,
              options = chart.options,
              seriesOptions = series.options,
              depth = seriesOptions.depth || 0,
              options3d = options.chart.options3d,
              alpha = options3d.alpha,
              beta = options3d.beta,
              z = seriesOptions.stacking ? (seriesOptions.stack || 0) * depth : series._i * depth;
  
          z += depth / 2;
  
          if (seriesOptions.grouping !== false) {
              z = 0;
          }
  
          each(series.data, function (point) {
  
              var shapeArgs = point.shapeArgs,
                  angle;
  
              point.shapeType = 'arc3d';
  
              shapeArgs.z = z;
              shapeArgs.depth = depth * 0.75;
              shapeArgs.alpha = alpha;
              shapeArgs.beta = beta;
              shapeArgs.center = series.center;
  
              angle = (shapeArgs.end + shapeArgs.start) / 2;
  
              point.slicedTranslation = {
                  translateX: round(cos(angle) * seriesOptions.slicedOffset * cos(alpha * deg2rad)),
                  translateY: round(sin(angle) * seriesOptions.slicedOffset * cos(alpha * deg2rad))
              };
          });
      });
  
      Highcharts.wrap(Highcharts.seriesTypes.pie.prototype.pointClass.prototype, 'haloPath', function (proceed) {
          var args = arguments;
          return this.series.chart.is3d() ? [] : proceed.call(this, args[1]);
      });
  
      Highcharts.wrap(Highcharts.seriesTypes.pie.prototype, 'drawPoints', function (proceed) {
  
          var options = this.options,
              states = options.states;
  
          // Do not do this if the chart is not 3D
          if (this.chart.is3d()) {
              // Set the border color to the fill color to provide a smooth edge
              this.borderWidth = options.borderWidth = options.edgeWidth || 1;
              this.borderColor = options.edgeColor = Highcharts.pick(options.edgeColor, options.borderColor, undefined);
  
              states.hover.borderColor = Highcharts.pick(states.hover.edgeColor, this.borderColor);
              states.hover.borderWidth = Highcharts.pick(states.hover.edgeWidth, this.borderWidth);
              states.select.borderColor = Highcharts.pick(states.select.edgeColor, this.borderColor);
              states.select.borderWidth = Highcharts.pick(states.select.edgeWidth, this.borderWidth);
  
              each(this.data, function (point) {
                  var pointAttr = point.pointAttr;
                  pointAttr[''].stroke = point.series.borderColor || point.color;
                  pointAttr['']['stroke-width'] = point.series.borderWidth;
                  pointAttr.hover.stroke = states.hover.borderColor;
                  pointAttr.hover['stroke-width'] = states.hover.borderWidth;
                  pointAttr.select.stroke = states.select.borderColor;
                  pointAttr.select['stroke-width'] = states.select.borderWidth;
              });
          }
  
          proceed.apply(this, [].slice.call(arguments, 1));
  
          if (this.chart.is3d()) {
              each(this.points, function (point) {
                  var graphic = point.graphic;
  
                  // #4584 Check if has graphic - null points don't have it
                  if (graphic) {
                      // Hide null or 0 points (#3006, 3650)
                      graphic[point.y && point.visible ? 'show' : 'hide']();
                  }
              });    
          }
      });
  
      Highcharts.wrap(Highcharts.seriesTypes.pie.prototype, 'drawDataLabels', function (proceed) {
          if (this.chart.is3d()) {
              var series = this,
                  chart = series.chart,
                  options3d = chart.options.chart.options3d;
              each(series.data, function (point) {
                  var shapeArgs = point.shapeArgs,
                      r = shapeArgs.r,
                      a1 = (shapeArgs.alpha || options3d.alpha) * deg2rad, //#3240 issue with datalabels for 0 and null values
                      b1 = (shapeArgs.beta || options3d.beta) * deg2rad,
                      a2 = (shapeArgs.start + shapeArgs.end) / 2,
                      labelPos = point.labelPos,
                      labelIndexes = [0, 2, 4], // [x1, y1, x2, y2, x3, y3]
                      yOffset = (-r * (1 - cos(a1)) * sin(a2)), // + (sin(a2) > 0 ? sin(a1) * d : 0)
                      xOffset = r * (cos(b1) - 1) * cos(a2);
  
                  // Apply perspective on label positions
                  each(labelIndexes, function (index) {
                      labelPos[index] += xOffset;
                      labelPos[index + 1] += yOffset;
                  });
              });
          }
  
          proceed.apply(this, [].slice.call(arguments, 1));
      });
  
      Highcharts.wrap(Highcharts.seriesTypes.pie.prototype, 'addPoint', function (proceed) {
          proceed.apply(this, [].slice.call(arguments, 1));
          if (this.chart.is3d()) {
              // destroy (and rebuild) everything!!!
              this.update(this.userOptions, true); // #3845 pass the old options
          }
      });
  
      Highcharts.wrap(Highcharts.seriesTypes.pie.prototype, 'animate', function (proceed) {
          if (!this.chart.is3d()) {
              proceed.apply(this, [].slice.call(arguments, 1));
          } else {
              var args = arguments,
                  init = args[1],
                  animation = this.options.animation,
                  attribs,
                  center = this.center,
                  group = this.group,
                  markerGroup = this.markerGroup;
  
              if (Highcharts.svg) { // VML is too slow anyway
  
                  if (animation === true) {
                      animation = {};
                  }
                  // Initialize the animation
                  if (init) {
  
                      // Scale down the group and place it in the center
                      group.oldtranslateX = group.translateX;
                      group.oldtranslateY = group.translateY;
                      attribs = {
                          translateX: center[0],
                          translateY: center[1],
                          scaleX: 0.001, // #1499
                          scaleY: 0.001
                      };
  
                      group.attr(attribs);
                      if (markerGroup) {
                          markerGroup.attrSetters = group.attrSetters;
                          markerGroup.attr(attribs);
                      }
  
                  // Run the animation
                  } else {
                      attribs = {
                          translateX: group.oldtranslateX,
                          translateY: group.oldtranslateY,
                          scaleX: 1,
                          scaleY: 1
                      };
                      group.animate(attribs, animation);
  
                      if (markerGroup) {
                          markerGroup.animate(attribs, animation);
                      }
  
                      // Delete this function to allow it only once
                      this.animate = null;
                  }
  
              }
          }
      });
      /***
          EXTENSION FOR 3D SCATTER CHART
      ***/
  
      Highcharts.wrap(Highcharts.seriesTypes.scatter.prototype, 'translate', function (proceed) {
      //function translate3d(proceed) {
          proceed.apply(this, [].slice.call(arguments, 1));
  
          if (!this.chart.is3d()) {
              return;
          }
  
          var series = this,
              chart = series.chart,
              zAxis = Highcharts.pick(series.zAxis, chart.options.zAxis[0]),
              rawPoints = [],
              rawPoint,
              projectedPoints,
              projectedPoint,
              zValue,
              i;
  
          for (i = 0; i < series.data.length; i++) {
              rawPoint = series.data[i];
              zValue = zAxis.isLog && zAxis.val2lin ? zAxis.val2lin(rawPoint.z) : rawPoint.z; // #4562
              rawPoint.plotZ = zAxis.translate(zValue);
  
              rawPoint.isInside = rawPoint.isInside ? (zValue >= zAxis.min && zValue <= zAxis.max) : false;
  
              rawPoints.push({
                  x: rawPoint.plotX,
                  y: rawPoint.plotY,
                  z: rawPoint.plotZ
              });
          }
  
          projectedPoints = perspective(rawPoints, chart, true);
  
          for (i = 0; i < series.data.length; i++) {
              rawPoint = series.data[i];
              projectedPoint = projectedPoints[i];
  
              rawPoint.plotXold = rawPoint.plotX;
              rawPoint.plotYold = rawPoint.plotY;
  
              rawPoint.plotX = projectedPoint.x;
              rawPoint.plotY = projectedPoint.y;
              rawPoint.plotZ = projectedPoint.z;
  
  
          }
  
      });
  
      Highcharts.wrap(Highcharts.seriesTypes.scatter.prototype, 'init', function (proceed, chart, options) {
          if (chart.is3d()) {
              // add a third coordinate
              this.axisTypes = ['xAxis', 'yAxis', 'zAxis'];
              this.pointArrayMap = ['x', 'y', 'z'];
              this.parallelArrays = ['x', 'y', 'z'];
  
              // Require direct touch rather than using the k-d-tree, because the k-d-tree currently doesn't
              // take the xyz coordinate system into account (#4552)
              this.directTouch = true;
          }
  
          var result = proceed.apply(this, [chart, options]);
  
          if (this.chart.is3d()) {
              // Set a new default tooltip formatter
              var default3dScatterTooltip = 'x: <b>{point.x}</b><br/>y: <b>{point.y}</b><br/>z: <b>{point.z}</b><br/>';
              if (this.userOptions.tooltip) {
                  this.tooltipOptions.pointFormat = this.userOptions.tooltip.pointFormat || default3dScatterTooltip;
              } else {
                  this.tooltipOptions.pointFormat = default3dScatterTooltip;
              }
          }
          return result;
      });
      /**
       *    Extension to the VML Renderer
       */
      if (Highcharts.VMLRenderer) {
  
          Highcharts.setOptions({ animate: false });
  
          Highcharts.VMLRenderer.prototype.cuboid = Highcharts.SVGRenderer.prototype.cuboid;
          Highcharts.VMLRenderer.prototype.cuboidPath = Highcharts.SVGRenderer.prototype.cuboidPath;
  
          Highcharts.VMLRenderer.prototype.toLinePath = Highcharts.SVGRenderer.prototype.toLinePath;
  
          Highcharts.VMLRenderer.prototype.createElement3D = Highcharts.SVGRenderer.prototype.createElement3D;
  
          Highcharts.VMLRenderer.prototype.arc3d = function (shapeArgs) {
              var result = Highcharts.SVGRenderer.prototype.arc3d.call(this, shapeArgs);
              result.css({ zIndex: result.zIndex });
              return result;
          };
  
          Highcharts.VMLRenderer.prototype.arc3dPath = Highcharts.SVGRenderer.prototype.arc3dPath;
  
          Highcharts.wrap(Highcharts.Axis.prototype, 'render', function (proceed) {
              proceed.apply(this, [].slice.call(arguments, 1));
              // VML doesn't support a negative z-index
              if (this.sideFrame) {
                  this.sideFrame.css({ zIndex: 0 });
                  this.sideFrame.front.attr({ fill: this.sideFrame.color });
              }
              if (this.bottomFrame) {
                  this.bottomFrame.css({ zIndex: 1 });
                  this.bottomFrame.front.attr({ fill: this.bottomFrame.color });
              }
              if (this.backFrame) {
                  this.backFrame.css({ zIndex: 0 });
                  this.backFrame.front.attr({ fill: this.backFrame.color });
              }
          });
  
      }
  
  }));
  