text: //This file is automatically rebuilt by the Cesium build process.
  /*global define*/
  define(function() {
      'use strict';
      return "attribute vec3 position3DHigh;\n\
  attribute vec3 position3DLow;\n\
  attribute vec3 prevPosition3DHigh;\n\
  attribute vec3 prevPosition3DLow;\n\
  attribute vec3 nextPosition3DHigh;\n\
  attribute vec3 nextPosition3DLow;\n\
  attribute vec2 expandAndWidth;\n\
  attribute vec4 color;\n\
  \n\
  varying vec4 v_color;\n\
  \n\
  void main() \n\
  {\n\
      float expandDir = expandAndWidth.x;\n\
      float width = abs(expandAndWidth.y) + 0.5;\n\
      bool usePrev = expandAndWidth.y < 0.0;\n\
      \n\
      vec4 p = czm_computePosition();\n\
      vec4 prev = czm_computePrevPosition();\n\
      vec4 next = czm_computeNextPosition();\n\
      \n\
      v_color = color;\n\
      \n\
      vec4 positionWC = getPolylineWindowCoordinates(p, prev, next, expandDir, width, usePrev);\n\
      gl_Position = czm_viewportOrthographic * positionWC;\n\
  }\n\
  ";
  });