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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
699 B
Plaintext
30 lines
699 B
Plaintext
restore [locate_data_file bug29481_ex1.brep] s
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explode s f
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# remove all features from the shape
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# remove the step first
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compound s_6 s_18 step
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removefeatures res s step
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compound s_4 s_15 s_21 s_22 s_7 s_11 s_8 s_9 s_10 s_14 s_20 s_13 features
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# check modification of the features
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compound mf
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foreach f [explode features f] {
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if { [regexp "The shape has not been modified" [rfmodified m $f]]} {
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add $f mf
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} else {
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add m mf
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}
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}
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removefeatures result res mf
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checkshape result
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checkprops result -s 460 -v 200
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checknbshapes result -vertex 8 -edge 12 -wire 6 -face 6 -shell 1 -solid 1
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CheckIsFeatureRemoved mf {v e f}
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checkview -display result -2d -path ${imagedir}/${test_image}.png
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