using changes in gl-surface3d branch

Author: archmoj

package-lock.json

@@ -84,7 +84,7 @@
     "gl-select-box": "^1.0.2",
     "gl-spikes2d": "^1.0.1",
     "gl-streamtube3d": "^1.1.1",
-    "gl-surface3d": "git://github.com/gl-vis/gl-surface3d.git#71c253085504ef2937c9cbc9582c592d36dcd3c6",
+    "gl-surface3d": "git://github.com/gl-vis/gl-surface3d.git#230772b1b9fbbe0c208baa13f1eaf38942495cf0",
     "gl-text": "^1.1.6",
     "glslify": "^6.3.1",
     "has-hover": "^1.0.1",

package.json

@@ -473,6 +473,12 @@ proto.update = function(data) {
 
         coords.push(intensity);
     }
+    else {
+        // when 'z' is used as 'intensity',
+        // we must scale its value
+        params.intensityBounds[0] *= scaleFactor[2];
+        params.intensityBounds[1] *= scaleFactor[2];
+    }
 
     if(MAX_RESOLUTION < coords[0].shape[0] ||
         MAX_RESOLUTION < coords[0].shape[1]) {