text: //This file is automatically rebuilt by the Cesium build process.
  /*global define*/
  define(function() {
      "use strict";
      return "uniform vec4 color;\n\
  uniform float glowPower;\n\
  \n\
  varying float v_width;\n\
  \n\
  czm_material czm_getMaterial(czm_materialInput materialInput)\n\
  {\n\
      czm_material material = czm_getDefaultMaterial(materialInput);\n\
  \n\
      vec2 st = materialInput.st;\n\
      float glow = glowPower / abs(st.t - 0.5) - (glowPower / 0.5);\n\
  \n\
      material.emission = max(vec3(glow - 1.0 + color.rgb), color.rgb);\n\
      material.alpha = clamp(0.0, 1.0, glow) * color.a;\n\
  \n\
      return material;\n\
  }\n\
  ";
  });