text: /**
  * Copyright 2012-2017, Plotly, Inc.
  * All rights reserved.
  *
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  */
  
  
  'use strict';
  
  var Lib = require('../../lib');
  var handleXYDefaults = require('./xy_defaults');
  var handleABDefaults = require('./ab_defaults');
  var setConvert = require('./set_convert');
  var attributes = require('./attributes');
  var colorAttrs = require('../../components/color/attributes');
  
  module.exports = function supplyDefaults(traceIn, traceOut, dfltColor, fullLayout) {
      function coerce(attr, dflt) {
          return Lib.coerce(traceIn, traceOut, attributes, attr, dflt);
      }
  
      traceOut._clipPathId = 'clip' + traceOut.uid + 'carpet';
  
      var defaultColor = coerce('color', colorAttrs.defaultLine);
      Lib.coerceFont(coerce, 'font');
  
      coerce('carpet');
  
      handleABDefaults(traceIn, traceOut, fullLayout, coerce, defaultColor);
  
      if(!traceOut.a || !traceOut.b) {
          traceOut.visible = false;
          return;
      }
  
      if(traceOut.a.length < 3) {
          traceOut.aaxis.smoothing = 0;
      }
  
      if(traceOut.b.length < 3) {
          traceOut.baxis.smoothing = 0;
      }
  
      // NB: the input is x/y arrays. You should know that the *first* dimension of x and y
      // corresponds to b and the second to a. This sounds backwards but ends up making sense
      // the important part to know is that when you write y[j][i], j goes from 0 to b.length - 1
      // and i goes from 0 to a.length - 1.
      var len = handleXYDefaults(traceIn, traceOut, coerce);
  
      setConvert(traceOut);
  
      if(traceOut._cheater) {
          coerce('cheaterslope');
      }
  
      if(!len) {
          traceOut.visible = false;
      }
  };
  