How to read the numeric data out of the image sampler

[junruryan]

I want to use the lightness data from the picture as the height of the box, to create a wavey sense of the columns, but I do not know how to achieve that.height.gh (31.4 KB)

[diff-arch]

Attach a file!

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[Adam_M (Adam Mounsey)]

Here is one approach
height_V2.gh (37.9 KB)

[junruryan]

Hey, thanks for the reply, but if using the grid, how could I change the intervals, coz I also wanna make the interval having a gradient change

[Adam_M (Adam Mounsey)]

You can position the columns wherever you like, as long as you evaluate the image using this kind of approach to get the heights based on the image.

height_V3.gh (37.4 KB)