C# Script to Export to Colored Layers from Grasshopper without Baking

michaelvollrath · August 27, 2023, 7:03pm

Hi @James_Richters , I haven’t had a chance to look at the material and baking code that @Joseph_Oster shared yet but I stumbled upon this Rhino Material python developer sample that could be helpful.

The line System.Drawing.Color.Burlywood opened my eyes as I I was under the impression this whole time that .color was just solid colors but realizing now that it accepts bitmaps as a color map it is much more clear to me.

github.com

mcneel/rhino-developer-samples/blob/7/rhinopython/SampleAddRenderMaterials.py

################################################################################
# SampleAddRenderMaterials.py
# Copyright (c) 2018 Robert McNeel & Associates.
# See License.md in the root of this repository for details.
################################################################################
import Rhino
import System
import scriptcontext as sc

# Demonstrates how to create render materials
def SampleAddRenderMaterials():

    # The properties of a Rhino material define what is required to draw an object
    # using OpenGL. Most rendering plug-ins require a much richer definition than
    # this. And, not all rendering plug-ins support the same material properties.
    # This is where Render materials  come in. A Render material is an abstract
    # material - one that is defined by the owning rendering plug-in. But a basic
    # Render material does share some properties with a Rhino material.

    # This example demonstrates how to create a basic Render material. This material

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Joseph_Oster · August 27, 2023, 7:53pm

The most promising approach I saw in this thread was a post from @Bernd_Möller suggesting the Rhino.FileIO namespace. I started to work with it in Python but am too much of a dilettante in both Python and the Rhino APIs to have fun at it, so I quit. One of his links went to this thread where @Baris was using it a year ago to “batch convert some files from R7 to R6”:

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C# Script to Export to Colored Layers from Grasshopper without Baking

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