Hi there
I am using RGBA in volume rendering(dataset 109*256*256). My expected
effect is to let pixels where data value equals 0 to be complete transparent.
However, the result looks like a cube filled with black ink.
Could you please tell me what's wrong with my code? Thanks a lot.
int tableLength = 10;
float[][] myColorTable = new float[4][tableLength];
for(int i=0;i<tableLength;i++){
myColorTable[0][i]=(float)(float)i/((float)tableLength-1.0f);//red
myColorTable[1][i]=(float)(float)i/((float)tableLength-1.0f);//green
myColorTable[2][i]=(float)(float)i/((float)tableLength-1.0f);//blue
myColorTable[3][i]=(float)(float)i/((float)tableLength-1.0f);//alpha
}
// Force top of table to be white
myColorTable[0][9]=1.0f;
myColorTable[1][9]=1.0f;
myColorTable[2][9]=1.0f;
myColorTable[3][9]=1.0f;
// Get the ColorControl from the altitude RGB map
ColorAlphaControl colCont = (ColorAlphaControl)
valueRGBMap.getControl();
// Set the table
colCont.setTable(myColorTable );
- Zhaopeng :-)
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