feat(polydatacellnormals): compute cell normals#2436
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emil-peters wants to merge 1 commit intoKitware:masterfrom
Draft
feat(polydatacellnormals): compute cell normals#2436emil-peters wants to merge 1 commit intoKitware:masterfrom
emil-peters wants to merge 1 commit intoKitware:masterfrom
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finetjul
reviewed
May 31, 2022
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| if (model.computeCellNormals) { | ||
| const outputCellNormalsData = | ||
| publicAPI.vtkPolyDataCellNormalsExecute(input); |
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it's too bad you are recomputing the normals that were computed when doing points normals.
Can you please modify vtkPolyDataNormalsExecute to optionally return cells normals ?
finetjul
reviewed
May 31, 2022
| CELL: 'cell', | ||
| POINT: ' point', | ||
| }; | ||
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Can you please also update index.js.ts with the new set/get accessors ? |
finetjul
reviewed
May 31, 2022
| numberOfPoints = polysData[c]; | ||
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| if (numberOfPoints < 3) { | ||
| continue; // eslint-disable-line |
finetjul
reviewed
May 31, 2022
| (v1[2] + v2[2] + v3[2]) / 3, | ||
| ]; | ||
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| const line = vtkLineSource.newInstance({ |
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how about an arrow source instead ?
(alternatively, you can consider vtkGlyphMapper3D)
finetjul
reviewed
May 31, 2022
| (v1[0] + v2[0] + v3[0]) / 3, | ||
| (v1[1] + v2[1] + v3[1]) / 3, | ||
| (v1[2] + v2[2] + v3[2]) / 3, | ||
| ]; |
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Looks like a good candidate to be exposed publicly in vtkTriangle as a static function.
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@emil-peters have you had a chance to look at the suggestions ? |
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Done in #2912 |
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Context
closes #2434
Gives the option through
setComputeCellNormalsto compute the cell normals for polyData using thevtkPolyDataNormalsfilter.Results
Changes
polyData.getCellData().getNormals().getData()vtkPolyDataNormalsfilter to compute the cell normals-> Question related to this: can you autogenerate TS-def files? Or should these be created manually?
PR and Code Checklist
npm run reformatto have correctly formatted codeTODO
I was thinking it might make sense to either change the
publicAPI.vtkPolyDataNormalsExecuteto accept only one parameter, which would bevtkPolyData.Or to merge
publicAPI.vtkPolyDataNormalsExecuteandpublicAPI.vtkPolyDataCellNormalsExecuteinto one method, as there is quite some duplication in both?I don't know what would be preferred.
Update the example to switch between cell and vertex normals