Hi Everyone! The basic idea (as you wil see in the hip) is colorize a simple grid with an animated metaball with attribute transfer, and try to accumulate the color information from the grid into a prescattered pointCloud file. To test it out I made an attribute called myvalue with an initial value of 0.2 to the pointCloud. Write it out to disk. In the shader the pciterate loop and the pcimport function seems to work well, because of the appearance of the grey spots at the positions of the pc