The script extension does seem like the way to go. Thanks David.
On Sep 25, 1:40 am, David Rutten <[EMAIL PROTECTED]> wrote: > Thomas, > > that makes sense. Grasshopper has no support for bitmap data at this > point (though that is planned, all the knowhow is already avaiable in > the RhinoScript image extension). > It sounds like you need a script that translates surface uv > coordinates into bitmap xy coordinates and then evaluates a pixel > value. You can use the aforementioned Image extension to do this. > > http://en.wiki.mcneel.com/default.aspx/McNeel/RhinoScriptImageExtensi... > > -- > David Rutten > Robert McNeel & Associates > > On Sep 24, 7:20 pm, twingate <[EMAIL PROTECTED]> wrote: > > > Hi David, > > > 4 years, hehe, I think so too :) > > I think I'm not doing a very good job of explaining what I'm looking > > to do: I would like to use bitmap images that represent various > > distributions (population density, foliage density, etc.) as inputs in > > combination with a single surface 'landscape'. I picture the maps as > > UV-mapped to the landscape, but this is not entirely necessary. At any > > given point(u,v) on the landscape I would like to return the > > corresponding color value at a point(x,y) at a given bitmap. I'm not > > actually looking to deal with any color values that you see on screen, > > but it would help the project if the maps could be made visible. Does > > this make sense? > > > /Thomas > > > On Sep 24, 1:14 am, David Rutten <[EMAIL PROTECTED]> wrote: > > > > Hi Thomas, > > > > if you need to know the pixel colour due to lambertian shading then > > > you'll have to implement that shading algorithm as code somewhere. If > > > you also need highlights/textures/bumpmaps/emaps etc. I think you're > > > in for a fun 4 years. > > > > -- > > > David Rutten > > > Robert McNeel & Associates > > > > On Sep 21, 8:52 pm, twingate <[EMAIL PROTECTED]> wrote: > > > > > Hi All, > > > > > Without having investigated Grasshopper in detail; is there a method > > > > for returning RGBA scalar at a point(u,v) for a given surface? > > > > > /Thomas- Hide quoted text - > > > - Show quoted text -
