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-rw-r--r--src/datavisualization/engine/shaders/texture3dslice.frag3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/datavisualization/engine/shaders/texture3dslice.frag b/src/datavisualization/engine/shaders/texture3dslice.frag
index 641b32a5..e095bc5f 100644
--- a/src/datavisualization/engine/shaders/texture3dslice.frag
+++ b/src/datavisualization/engine/shaders/texture3dslice.frag
@@ -12,7 +12,8 @@ const highp vec3 xPlaneNormal = vec3(1.0, 0, 0);
const highp vec3 yPlaneNormal = vec3(0, 1.0, 0);
const highp vec3 zPlaneNormal = vec3(0, 0, 1.0);
-const float alphaThreshold = 0.001;
+const highp float alphaThreshold = 0.0001;
+
void main() {
// Raytrace into volume, need to sample pixels along the eye ray until we hit opacity 1