fixup cmin/cmax -> vertexIntensityBounds,

... with the help of gl-vis/gl-streamtube3d#5

Author: etpinard

Diff for: package-lock.json

@@ -83,7 +83,7 @@
     "gl-select-box": "^1.0.2",
     "gl-spikes2d": "^1.0.1",
     "gl-surface3d": "^1.3.4",
-    "gl-streamtube3d": "[email protected]:gl-vis/gl-streamtube3d#97c89d7d0e4e4ed1074d47fbfc715bb2d149841c",
+    "gl-streamtube3d": "[email protected]:gl-vis/gl-streamtube3d#d004f17506ed7fafc30586836d1a76b55dea8e48",
     "glslify": "^6.1.1",
     "has-hover": "^1.0.1",
     "has-passive-events": "^1.0.0",

Diff for: package.json

@@ -30,6 +30,8 @@ module.exports = function calc(gd, trace) {
         normMin = Math.min(normMin, norm);
     }
 
+    trace._normMax = normMax;
+
     colorscaleCalc(trace, [normMin, normMax], '', 'c');
 
     var xMax = -Infinity;

Diff for: src/traces/streamtube/calc.js

@@ -100,7 +100,7 @@ function convert(scene, trace) {
     // N.B. cmin/cmax correspond to the min/max vector norm
     // in the u/v/w arrays, which in general is NOT equal to max
     // intensity that colors the tubes.
-    meshData.vertexIntensityBounds = [trace.cmin, trace.cmax];
+    meshData.vertexIntensityBounds = [trace.cmin / trace._normMax, trace.cmax / trace._normMax];
 
     // pass gl-mesh3d lighting attributes
     meshData.lightPosition = [trace.lightposition.x, trace.lightposition.y, trace.lightposition.z];