0032214: Modeling Algorithms - 2d Offset produces wrong result

Add new option to convert input contours into ones consisting of 2D circular arcs and 2D linear segments only.

tests/bugs/modalg_8/bug32214_1

@@ -0,0 +1,23 @@
+puts "========================================="
+puts "OCC32214: 2d Offset produces wrong result"
+puts "========================================="
+puts ""
+
+restore [locate_data_file bug32214.brep] a
+wire ww a
+
+arclinconvert result ww
+build3d result
+
+checkshape result
+
+checknbshapes result -t -vertex 50 -edge 49 -wire 1
+
+set tolres [checkmaxtol result]
+
+if { ${tolres} > 1.001e-7} {
+   puts "Error: bad tolerance of result"
+}
+
+checkprops result -l 1.88301
+

tests/bugs/modalg_8/bug32214_2

@@ -0,0 +1,24 @@
+puts "========================================="
+puts "OCC32214: 2d Offset produces wrong result"
+puts "========================================="
+puts ""
+
+restore [locate_data_file bug31992.brep] a
+wire a a
+mkplane a a
+
+arclinconvert result a
+build3d result
+
+checkshape result
+
+checknbshapes result -t -vertex 187 -edge 187 -wire 1 -face 1
+
+set tolres [checkmaxtol result]
+
+if { ${tolres} > 1.001e-7} {
+   puts "Error: bad tolerance of result"
+}
+
+checkprops result -s 3.13603
+

tests/bugs/modalg_8/bug32214_3

@@ -0,0 +1,30 @@
+puts "========================================="
+puts "OCC32214: 2d Offset produces wrong result"
+puts "========================================="
+puts ""
+
+beziercurve c1 9  3 3 0 10  0 10 0 100  -3 3 0 10  -10 0 0 100  -3 -3 0 10  0 -10 0 100  3 -3 0 10  10 0 0 100  3 3 0 10
+beziercurve c2 5  3 0 0  0 3 0  -3 0 0  0 -3 0  3 0 0
+mkedge e1 c1
+mkedge e2 c2
+wire w1 e1
+wire w2 e2
+orientation w2 R
+mkplane a w1
+add w2 a
+
+arclinconvert result a
+build3d result
+
+checkshape result
+
+checknbshapes result -t -vertex 170 -edge 170 -wire 2 -face 1
+
+set tolres [checkmaxtol result]
+
+if { ${tolres} > 1.001e-7} {
+   puts "Error: bad tolerance of result"
+}
+
+checkprops result -s 106.6
+

tests/bugs/modalg_8/bug32214_4

@@ -0,0 +1,52 @@
+puts "========================================="
+puts "OCC32214: 2d Offset produces wrong result"
+puts "========================================="
+puts ""
+
+restore [locate_data_file bug32214.brep] a
+wire ww a
+donly ww
+
+mkoffset result ww 14 0.1 -approx
+
+front
+fit
+
+checkview -screenshot -2d -path ${imagedir}/${test_image}.png
+
+for {set i 1} {$i<=14} {incr i} {
+	checkshape result_${i}
+	set tolres [checkmaxtol result_${i}]
+	if { ${tolres} > 1.001e-7} {
+		puts "Error: bad tolerance of result"
+	}
+}
+
+checknbshapes result_1 -t -vertex 114 -edge 114 -wire 1
+checkprops result_1 -l 4.39365
+checknbshapes result_2 -t -vertex 110 -edge 110 -wire 1
+checkprops result_2 -l 5.02084
+checknbshapes result_3 -t -vertex 104 -edge 104 -wire 1
+checkprops result_3 -l 5.64778
+checknbshapes result_4 -t -vertex 101 -edge 101 -wire 1
+checkprops result_4 -l 6.27443
+checknbshapes result_5 -t -vertex 95 -edge 95 -wire 1
+checkprops result_5 -l 6.89816
+checknbshapes result_6 -t -vertex 92 -edge 92 -wire 1
+checkprops result_6 -l 7.51255
+checknbshapes result_7 -t -vertex 88 -edge 88 -wire 1
+checkprops result_7 -l 8.12807
+checknbshapes result_8 -t -vertex 81 -edge 81 -wire 1
+checkprops result_8 -l 8.74586
+checknbshapes result_9 -t -vertex 72 -edge 72 -wire 1
+checkprops result_9 -l 9.36292
+checknbshapes result_10 -t -vertex 65 -edge 65 -wire 1
+checkprops result_10 -l 9.97455
+checknbshapes result_11 -t -vertex 60 -edge 60 -wire 1
+checkprops result_11 -l 10.5864
+checknbshapes result_12 -t -vertex 59 -edge 59 -wire 1
+checkprops result_12 -l 11.2017
+checknbshapes result_13 -t -vertex 57 -edge 57 -wire 1
+checkprops result_13 -l 11.8196
+checknbshapes result_14 -t -vertex 55 -edge 55 -wire 1
+checkprops result_14 -l 12.4395

tests/bugs/modalg_8/bug32214_5

@@ -0,0 +1,52 @@
+puts "========================================="
+puts "OCC32214: 2d Offset produces wrong result"
+puts "========================================="
+puts ""
+
+restore [locate_data_file bug32214.brep] a
+wire ww a
+donly ww
+
+openoffset result ww 14 0.1 -approx
+
+front
+fit
+
+checkview -screenshot -2d -path ${imagedir}/${test_image}.png
+
+for {set i 1} {$i<=14} {incr i} {
+	checkshape result_${i}
+	set tolres [checkmaxtol result_${i}]
+	if { ${tolres} > 1.001e-7} {
+		puts "Error: bad tolerance of result"
+	}
+}
+
+checknbshapes result_1 -t -vertex 61 -edge 60 -wire 1
+checkprops result_1 -l 2.04858
+checknbshapes result_2 -t -vertex 61 -edge 60 -wire 1
+checkprops result_2 -l 2.21414
+checknbshapes result_3 -t -vertex 61 -edge 60 -wire 1
+checkprops result_3 -l 2.37971
+checknbshapes result_4 -t -vertex 61 -edge 60 -wire 1
+checkprops result_4 -l 2.54528
+checknbshapes result_5 -t -vertex 61 -edge 60 -wire 1
+checkprops result_5 -l 2.71084
+checknbshapes result_6 -t -vertex 61 -edge 60 -wire 1
+checkprops result_6 -l 2.87641
+checknbshapes result_7 -t -vertex 61 -edge 60 -wire 1
+checkprops result_7 -l 3.04198
+checknbshapes result_8 -t -vertex 56 -edge 55 -wire 1
+checkprops result_8 -l 3.20723
+checknbshapes result_9 -t -vertex 50 -edge 49 -wire 1
+checkprops result_9 -l 3.38587
+checknbshapes result_10 -t -vertex 48 -edge 47 -wire 1
+checkprops result_10 -l 3.58204
+checknbshapes result_11 -t -vertex 45 -edge 44 -wire 1
+checkprops result_11 -l 3.73715
+checknbshapes result_12 -t -vertex 45 -edge 44 -wire 1
+checkprops result_12 -l 3.97323
+checknbshapes result_13 -t -vertex 43 -edge 42 -wire 1
+checkprops result_13 -l 4.14242
+checknbshapes result_14 -t -vertex 43 -edge 42 -wire 1
+checkprops result_14 -l 4.37544

tests/bugs/modalg_8/bug32214_6

@@ -0,0 +1,52 @@
+puts "========================================="
+puts "OCC32214: 2d Offset produces wrong result"
+puts "========================================="
+puts ""
+
+restore [locate_data_file bug32214.brep] a
+wire ww a
+donly ww
+
+openoffset result ww 14 -0.1 -approx
+
+front
+fit
+
+checkview -screenshot -2d -path ${imagedir}/${test_image}.png
+
+for {set i 1} {$i<=14} {incr i} {
+	checkshape result_${i}
+	set tolres [checkmaxtol result_${i}]
+	if { ${tolres} > 1.001e-7} {
+		puts "Error: bad tolerance of result"
+	}
+}
+
+checknbshapes result_1 -t -vertex 50 -edge 49 -wire 1
+checkprops result_1 -l 1.66475
+checknbshapes result_2 -t -vertex 46 -edge 45 -wire 1
+checkprops result_2 -l 1.57655
+checknbshapes result_3 -t -vertex 40 -edge 39 -wire 1
+checkprops result_3 -l 1.48755
+checknbshapes result_4 -t -vertex 37 -edge 36 -wire 1
+checkprops result_4 -l 1.39682
+checknbshapes result_5 -t -vertex 31 -edge 30 -wire 1
+checkprops result_5 -l 1.30715
+checknbshapes result_6 -t -vertex 28 -edge 27 -wire 1
+checkprops result_6 -l 1.27033
+checknbshapes result_7 -t -vertex 24 -edge 23 -wire 1
+checkprops result_7 -l 1.1996
+checknbshapes result_8 -t -vertex 22 -edge 21 -wire 1
+checkprops result_8 -l 1.1737
+checknbshapes result_9 -t -vertex 18 -edge 17 -wire 1
+checkprops result_9 -l 1.17713
+checknbshapes result_10 -t -vertex 17 -edge 16 -wire 1
+checkprops result_10 -l 1.22711
+checknbshapes result_11 -t -vertex 14 -edge 13 -wire 1
+checkprops result_11 -l 1.2663
+checknbshapes result_12 -t -vertex 14 -edge 13 -wire 1
+checkprops result_12 -l 1.33108
+checknbshapes result_13 -t -vertex 14 -edge 13 -wire 1
+checkprops result_13 -l 1.39586
+checknbshapes result_14 -t -vertex 14 -edge 13 -wire 1
+checkprops result_14 -l 1.46064