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Implementation of the 3D model De-featuring algorithm intended for the removal of the unwanted parts (or features) from the model consisting of solids. The features can be the holes, protrusions, gaps, chamfers, fillets etc. The algorithm removes all possible requested features from the shape and builds the new shape as a result. The input model is not modified. On the API level the algorithm is implemented in the class *BRepAlgoAPI_Defeaturing*. The actual features removal is performed by the low-level algorithm *BOPAlgo_RemoveFeatures*. Documentation of the new classes. Implementation of the DRAW commands for working with new algorithm. Test cases for the new functionality. Changes in other algorithms used by De-featuring algorithm: - Provide history support for the solids in *ShapeUpgrade_UnifySameDomain* algorithm; - Implementation of the mechanism to merge History of any Algorithm with standard history methods such as IsDeleted(), Modified() and Generated() into *BRepTools_History*.
30 lines
751 B
Plaintext
30 lines
751 B
Plaintext
restore [locate_data_file bug29481_ex2.brep] s
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explode s f
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# remove the gap
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compound s_7 s_8 s_9 s_10 gap
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removefeatures res1 s gap
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checkshape res1
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checkprops res1 -s 624 -v 992
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checknbshapes res1 -vertex 16 -edge 24 -wire 12 -face 12 -shell 2 -solid 1
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CheckIsFeatureRemoved gap {v e f}
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# remove hole
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explode s
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removefeatures res2 s s_2
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checkshape res2
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checkprops res2 -s 608 -v 992
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checknbshapes res2 -vertex 16 -edge 24 -wire 10 -face 10 -shell 1 -solid 1
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CheckIsFeatureRemoved s_2 {v e f}
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# remove both gap and hole
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removefeatures result s gap s_2
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checkshape result
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checkprops result -s 600 -v 1000
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checknbshapes result -vertex 8 -edge 12 -wire 6 -face 6 -shell 1 -solid 1
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CheckIsFeatureRemoved gap {v e f}
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CheckIsFeatureRemoved s_2 {v e f}
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