Created
June 10, 2011 17:23
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Grasshopper File and Geometry Import Script
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import Rhino | |
# for accesssing GH classes | |
import clr | |
clr.AddReference("Grasshopper") | |
from Grasshopper.Kernel.Data import GH_Path | |
from Grasshopper import DataTree | |
# read geometry out of 3dm files and filter by layernames | |
if DoImport and FilePaths and LayerNames: | |
layerTree = DataTree[Rhino.Geometry.GeometryBase]() # make a DataTree | |
for filepath in FilePaths: | |
model = Rhino.FileIO.File3dm.Read(filepath) | |
if not model: continue | |
for i, layer in enumerate(LayerNames): | |
path = GH_Path(i) | |
geometry = [] | |
objs = model.Objects.FindByLayer(layer) | |
for obj in objs: | |
geom = obj.Geometry | |
geom.EnsurePrivateCopy() | |
geometry.append(geom) | |
layerTree.AddRange(geometry, path) | |
# models can take up a considerable amount of | |
# memory that we don't need, so get rid of it | |
# after copying the geometry we want out of it | |
model.Dispose() |
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