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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
797 B
Plaintext
30 lines
797 B
Plaintext
restore [locate_data_file bug29481_ex1.brep] s
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explode s f
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# chamfer removal
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removefeatures result s s_14
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checkshape result
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checkprops result -s 462.33 -v 194.594 -deps 1.e-7
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checknbshapes result -vertex 34 -edge 54 -wire 24 -face 21 -shell 1 -solid 1 -t
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CheckIsFeatureRemoved s_14 {e f}
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# check modification of the top face
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rfmodified m1 s_1
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checkprops m1 -s 171.478
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checknbshapes m1 -vertex 14 -edge 14 -wire 3 -face 1
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rfgenerated g1 s_1
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checknbshapes g1 -vertex 1 -edge 1
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checkprops g1 -l 6.28319
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# check modification of the cylindrical face
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rfmodified m20 s_20
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checkprops m20 -s 6.28319
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checknbshapes m20 -vertex 2 -edge 3 -wire 1 -face 1
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rfgenerated g20 s_20
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checknbshapes g20 -vertex 1 -edge 1
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checkprops g20 -equal g1
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checkview -display result -2d -path ${imagedir}/${test_image}.png
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