Grasshopper

algorithmic modeling for Rhino

Image Sampler changing the range of black and white values?

For the image sampler component, when I input an image and place the settings to obtain the colour brightness and interpolate, the range that the values are being taken at are from (0) black to (1) white. Is there are quick and easy way within the component itself to change that range from (-1) black to (1) white?

thank you so much. I'm quite new at this. Attached is the file that I am working on....

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Permalink Reply by robert cervellione on May 7, 2010 at 1:54pm
just put the output into a function where x is the color

(x*2)-1
Permalink Reply by Mari on May 7, 2010 at 2:06pm
thanks robert for answering and your help overall troubleshooting for DMS. strange to see you on here.
Permalink Reply by robert cervellione on May 7, 2010 at 2:10pm
no problem.
i too can run into problems so this is where is go for help!

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