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https://git.dev.opencascade.org/repos/occt.git
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712879c808
1. There has been implemented calculation of all possible types of continuity for shared edges: * G1 is set if tangential planes are the same for connected faces in each control points through the edge; * C1 is set in addition to G1 conditions if derivatives, orthogonal to the edge on each face, are equal vectors; * G2 is set in addition to G1 if the centers of principal curvatures are the same for connected faces in each control points through the edge; * C2 is set in addition to C1 and G2 if directions of principal curvatures are equal; * CN continuity is set only if both connected faces are based on elementary surfaces (the conditions for this case are similar to C2 continuity). 2. ShapeFix::EncodeRegularity() is merged into BRepLib::EncodeRegularity(). 3. Implemented several test cases to check correct handling of regularity. 4. Fix incorrect usage of BRepLib::EncodeRegularity() in BRepBuilderAPI_Sewing. 5. Implement a method for calculation of regularity on the given list of edges. 6. Documentation updates
45 lines
1.0 KiB
Plaintext
45 lines
1.0 KiB
Plaintext
puts "========"
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puts "0027383: Modeling - improve handling of regularity on edges"
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puts "========"
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puts ""
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#################################################################
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# Check regularity setting on edges between rotated or mirrored half spheres
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#################################################################
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pload MODELING
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psphere s1 10 180
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psphere s2 10 180
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explode s1 f
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explode s2 f
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tmirror s2_1 0 0 0 0 1 0
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trotate s2_1 0 0 0 0 1 0 45
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sewing r s1_1 s2_1
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encoderegularity r
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explode r F
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set edges [explode r_1 E]
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set len 0
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foreach e ${edges} {
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# check for degenerated edge
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set e_props [lprops $e 1.e-4]
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regexp {Mass : +([0-9.+-eE]+)} $e_props full len
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if { [expr abs($len) > 1.e-7] } {
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set cont "G2"
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} else {
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# degenerated edges have always C0 continuity
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set cont "C0"
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}
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if { ! [regexp "${cont}" [getedgeregularity $e r_1 r_2]] } {
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puts "Error: Invalid regularity of the edge, expected ${cont}"
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}
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}
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# make image in HLR mode as illustration
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pload VISUALIZATION
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vdisplay r
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vfit
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vhlr on
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vdump ${imagedir}/${test_image}.png
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