Grasshopper

algorithmic modeling for Rhino

Expression error when using image sampler

Hi,

My question is, why does the expression (x*y)+0.1 keep giving an error when it clearly works for a tutorial video that I am watching about image sampling. It seems to give me an error as soon as I add a + to the expression. 

Regards,

Tony

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Permalink Reply by Pieter Segeren on April 9, 2015 at 5:13am

Hi Tony, you probably have the ImageSampler filter set to color. Right click the ImageSampler, go to Filter, and I think you'll want to set it to value (Brightness).

Permalink Reply by Tony Duong on April 9, 2015 at 5:58am

Thanks Pieter! It was so simple and it makes so much sense now. 

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