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DamienGilliardDamienGilliard
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feat: add a component to crop point clouds
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‎src/gh/components/DF_crop_cloud/code.py‎

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from diffCheck import df_cvt_bindings as df_cvt
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import numpy as np
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import Rhino
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from Grasshopper.Kernel import GH_RuntimeMessageLevel as RML
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from ghpythonlib.componentbase import executingcomponent as component
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class DFCloudCrop(component):
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def __init__(self):
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super(DFCloudCrop, self).__init__()
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def RunScript(self,
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i_cloud: Rhino.Geometry.PointCloud,
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i_box: Rhino.Geometry.Brep,
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i_x_min: float,
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i_y_min: float,
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i_z_min: float,
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i_x_max: float,
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i_y_max: float,
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i_z_max: float):
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if i_cloud is None:
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ghenv.Component.AddRuntimeMessage(RML.Warning, "No point cloud provided. Please connect a point cloud to the input.") # noqa: F821
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return None
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if i_box is not None:
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bbox = i_box.GetBoundingBox(True)
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bb_min_as_array = np.asarray([bbox.Min.X, bbox.Min.Y, bbox.Min.Z])
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bb_max_as_array = np.asarray([bbox.Max.X, bbox.Max.Y, bbox.Max.Z])
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ghenv.Component.AddRuntimeMessage(RML.Remark, "A box is provided and is used to crop the point cloud, all other inputs neglected. To use min/max values, disconnect the box") # noqa: F821
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else:
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if i_x_min is None:
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i_x_min = -np.inf
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if i_y_min is None:
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i_y_min = -np.inf
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if i_z_min is None:
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i_z_min = -np.inf
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if i_x_max is None:
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i_x_max = np.inf
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if i_y_max is None:
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i_y_max = np.inf
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if i_z_max is None:
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i_z_max = np.inf
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bb_min_as_array = np.asarray([i_x_min, i_y_min, i_z_min])
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bb_max_as_array = np.asarray([i_x_max, i_y_max, i_z_max])
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df_cloud = df_cvt.cvt_rhcloud_2_dfcloud(i_cloud)
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df_cloud.crop(bb_min_as_array, bb_max_as_array)
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rh_cloud = df_cvt.cvt_dfcloud_2_rhcloud(df_cloud)
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return [rh_cloud]

‎src/gh/components/DF_crop_cloud/icon.png‎

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‎src/gh/components/DF_crop_cloud/metadata.json‎

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{
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"name": "DFCropCloud",
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"nickname": "Crop",
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"category": "diffCheck",
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"subcategory": "Cloud",
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"description": "Crops a point cloud by giving the bounding box or limit values.",
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"exposure": 4,
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"instanceGuid": "f0461287-b1aa-47ec-87c4-0f03924cea24",
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"ghpython": {
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"hideOutput": true,
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"hideInput": true,
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"isAdvancedMode": true,
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"marshalOutGuids": true,
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"iconDisplay": 2,
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"inputParameters": [
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{
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"name": "i_cloud",
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"nickname": "i_cloud",
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"description": "The point cloud to crop.",
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"optional": true,
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"allowTreeAccess": true,
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"showTypeHints": true,
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"scriptParamAccess": "item",
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"wireDisplay": "default",
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"sourceCount": 0,
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"typeHintID": "pointcloud"
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},
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{
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"name": "i_box",
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"nickname": "i_box",
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"description": "The brep box to crop the point cloud with.",
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"optional": true,
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"allowTreeAccess": true,
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"showTypeHints": true,
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"scriptParamAccess": "item",
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"wireDisplay": "default",
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"sourceCount": 0,
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"typeHintID": "brep"
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},
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{
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"name": "i_x_min",
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"nickname": "i_x_min",
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"description": "The minimum x value to crop the point cloud with.",
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"optional": true,
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"allowTreeAccess": true,
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"showTypeHints": true,
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"scriptParamAccess": "item",
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"wireDisplay": "default",
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"sourceCount": 0,
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"typeHintID": "float"
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},
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{
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"name": "i_y_min",
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"nickname": "i_y_min",
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"description": "The minimum y value to crop the point cloud with.",
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"optional": true,
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"allowTreeAccess": true,
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"showTypeHints": true,
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"scriptParamAccess": "item",
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"wireDisplay": "default",
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"sourceCount": 0,
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"typeHintID": "float"
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},
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{
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"name": "i_z_min",
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"nickname": "i_z_min",
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"description": "The minimum z value to crop the point cloud with.",
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"optional": true,
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"allowTreeAccess": true,
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"showTypeHints": true,
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"scriptParamAccess": "item",
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"wireDisplay": "default",
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"sourceCount": 0,
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"typeHintID": "float"
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},
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{
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"name": "i_x_max",
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"nickname": "i_x_max",
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"description": "The maximum x value to crop the point cloud with.",
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"optional": true,
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"allowTreeAccess": true,
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"showTypeHints": true,
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"scriptParamAccess": "item",
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"wireDisplay": "default",
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"sourceCount": 0,
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"typeHintID": "float"
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},
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{
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"name": "i_y_max",
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"nickname": "i_y_max",
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"description": "The maximum y value to crop the point cloud with.",
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"optional": true,
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"allowTreeAccess": true,
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"showTypeHints": true,
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"scriptParamAccess": "item",
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"wireDisplay": "default",
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"sourceCount": 0,
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"typeHintID": "float"
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},
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{
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"name": "i_z_max",
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"nickname": "i_z_max",
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"description": "The maximum z value to crop the point cloud with.",
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"optional": true,
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"allowTreeAccess": true,
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"showTypeHints": true,
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"scriptParamAccess": "item",
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"wireDisplay": "default",
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"sourceCount": 0,
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"typeHintID": "float"
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}
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],
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"outputParameters": [
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{
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"name": "o_cloud",
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"nickname": "o_cloud",
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"description": "The downsampled cloud.",
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"optional": false,
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"sourceCount": 0,
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"graft": false
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}
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]
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}
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}

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