private synchronized void initProjectionData(Grid2D projection) {
initialize(projection);
if (projection != null) {
float[] proj = new float[projection.getWidth() * projection.getHeight()];
for (int i = 0; i < projection.getWidth(); i++) {
for (int j = 0; j < projection.getHeight(); j++) {
proj[(j * projection.getWidth()) + i] = projection.getPixelValue(i, j);
}
}
if (projectionArray == null) {
// Create the array that will contain the
// projection data.
projectionArray =
context.createFloatBuffer(
projection.getWidth() * projection.getHeight(), Mem.READ_ONLY);
}
// Copy the projection data to the array
projectionArray.getBuffer().put(proj);
projectionArray.getBuffer().rewind();
// set the texture
CLImageFormat format = new CLImageFormat(ChannelOrder.INTENSITY, ChannelType.FLOAT);
projectionTex =
context.createImage2d(
projectionArray.getBuffer(),
projection.getWidth(),
projection.getHeight(),
format,
Mem.READ_ONLY);
// projectionArray.release();
} else {
System.out.println("Projection was null!!");
}
}
