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Add tests for sla support and pad creation

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This commit is contained in:
tamasmeszaros 2019-09-24 15:24:47 +02:00
parent e675a5d5c6
commit 277f6786d8
20 changed files with 40057 additions and 1 deletions
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12
tests/CMakeLists.txt
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@ -1,3 +1,13 @@
# TODO Add individual tests as executables in separate directories
# add_subirectory(<testcase>)
# add_subirectory(<testcase>)
find_package(GTest REQUIRED)
set(TEST_DATA_DIR ${CMAKE_CURRENT_SOURCE_DIR}/data)
file(TO_NATIVE_PATH "${TEST_DATA_DIR}" TEST_DATA_DIR)
add_library(test_common INTERFACE)
target_compile_definitions(test_common INTERFACE TEST_DATA_DIR="${TEST_DATA_DIR}")
target_link_libraries(test_common INTERFACE GTest::GTest GTest::Main)
add_subdirectory(sla_print)

20
tests/data/20mm_cube.obj Normal file
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@ -0,0 +1,20 @@
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v 20.000000 0.000000 0.000000
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v 0.000000 20.000000 20.000000
v 0.000000 0.000000 20.000000
v 20.000000 0.000000 20.000000
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f 5 7 8
f 1 5 8
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f 2 8 7
f 2 7 3
f 3 7 6
f 3 6 4
f 5 1 4
f 5 4 6

20
tests/data/2x20x10.obj Normal file
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@ -0,0 +1,20 @@
v 2.000000 20.000000 0.000000
v 2.000000 0.000000 0.000000
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f 5 7 8
f 1 5 8
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f 3 6 4
f 5 1 4
f 5 4 6

1867
tests/data/A.obj Normal file
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File diff suppressed because it is too large Load Diff

68
tests/data/V.obj Normal file
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@ -0,0 +1,68 @@
####
#
# OBJ File Generated by Meshlab
#
####
# Object V.obj
#
# Vertices: 14
# Faces: 24
#
####
vn -0.835484 -0.584839 0.000000
v 41.480000 44.020000 0.000000
vn 0.000000 0.000000 1.768192
v 51.480000 44.020000 15.000000
vn 0.000000 0.000000 0.960070
v 41.480000 44.020000 15.000000
vn 0.000000 0.000000 0.413330
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vn 0.000000 -0.982794 0.000000
v 65.480003 24.020000 15.000000
vn -0.000000 -0.000000 -2.776433
v 60.480000 31.162861 0.000000
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v 79.480003 44.020000 0.000000
vn -0.000000 -0.000000 -0.265332
v 55.480000 24.020000 0.000000
vn 0.661947 0.463363 0.000000
v 51.480000 44.020000 0.000000
vn 0.624900 0.437430 0.000000
v 60.480000 31.162861 15.000000
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vn -1.286846 0.900793 0.000000
v 69.480003 44.020000 0.000000
vn 0.000000 0.982794 0.000000
v 79.480003 44.020000 15.000000
vn 0.451362 -0.315954 0.000000
v 65.480003 24.020000 0.000000
# 14 vertices, 0 vertices normals
f 3//3 1//1 4//4
f 4//4 1//1 8//8
f 1//1 3//3 2//2
f 9//9 1//1 2//2
f 2//2 3//3 4//4
f 10//10 2//2 4//4
f 5//5 10//10 4//4
f 13//13 11//11 5//5
f 11//11 10//10 5//5
f 4//4 8//8 5//5
f 5//5 8//8 14//14
f 1//1 9//9 8//8
f 8//8 9//9 6//6
f 6//6 12//12 7//7
f 6//6 7//7 8//8
f 8//8 7//7 14//14
f 9//9 2//2 10//10
f 6//6 9//9 10//10
f 10//10 11//11 6//6
f 6//6 11//11 12//12
f 12//12 11//11 13//13
f 7//7 12//12 13//13
f 13//13 5//5 14//14
f 7//7 13//13 14//14
# 24 faces, 0 coords texture
# End of File

38
tests/data/V_standing.obj Normal file
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v -14.000000 15.000000 20.000000
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f 12 14 4
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f 6 5 7
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f 13 10 9
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f 14 9 11

44
tests/data/bridge.obj Normal file
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v 125.000000 84.500000 8.000000
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f 12 13 4
f 13 9 8
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f 15 14 7
f 7 14 10
f 16 13 12
f 16 9 13

72
tests/data/cube_with_concave_hole.obj Normal file
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v -10.000000 -10.000000 -5.000000
v -10.000000 -10.000000 5.000000
v -10.000000 10.000000 -5.000000
v -10.000000 10.000000 5.000000
v 10.000000 -10.000000 -5.000000
v 10.000000 -10.000000 5.000000
v -5.000000 -5.000000 -5.000000
v 5.000000 -5.000000 -5.000000
v 5.000000 5.000000 -5.000000
v 5.000000 10.000000 -5.000000
v -5.000000 5.000000 -5.000000
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v 10.000000 5.000000 -5.000000
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v -5.000000 -5.000000 5.000000
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v -5.000000 5.000000 5.000000
v 10.000000 5.000000 5.000000
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f 1 2 3
f 3 2 4
f 2 1 5
f 6 2 5
f 7 8 5
f 9 3 10
f 11 3 12
f 12 13 14
f 1 3 11
f 1 11 7
f 1 7 5
f 12 3 9
f 5 8 13
f 5 13 9
f 13 12 9
f 15 5 9
f 3 4 10
f 10 4 16
f 17 2 6
f 18 19 6
f 20 4 17
f 21 22 6
f 19 17 6
f 4 2 17
f 23 4 20
f 22 4 23
f 22 18 6
f 22 23 18
f 22 16 4
f 24 18 23
f 6 5 15
f 21 6 15
f 21 15 22
f 22 15 9
f 10 16 22
f 9 10 22
f 11 20 17
f 7 11 17
f 12 23 20
f 11 12 20
f 14 24 12
f 12 24 23
f 24 14 13
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f 18 13 19
f 19 13 8
f 19 8 17
f 17 8 7

112
tests/data/cube_with_concave_hole_enlarged.obj Normal file
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@ -0,0 +1,112 @@
####
#
# OBJ File Generated by Meshlab
#
####
# Object cube_with_concave_hole_enlarged.obj
#
# Vertices: 24
# Faces: 48
#
####
vn 1.107149 0.000000 0.000000
v 76.634163 17.865837 0.000000
vn 0.000000 0.000000 0.321750
v 68.557083 25.942917 16.154167
vn 0.000000 0.000000 2.356194
v 52.402920 25.942917 16.154167
vn 0.000000 0.000000 0.321751
v 76.634163 50.174164 16.154167
vn 0.000000 0.000000 2.034444
v 68.557083 42.097084 16.154167
vn 0.000000 0.000000 0.463648
v 76.634163 17.865837 16.154167
vn 0.000000 0.000000 0.785398
v 52.402920 34.020000 16.154167
vn 0.000000 0.000000 0.321750
v 44.325836 17.865837 16.154167
vn 0.000000 0.982794 0.000000
v 52.402920 50.174164 16.154167
vn 0.000000 1.570796 0.000000
v 52.402920 50.174164 0.000000
vn 0.000000 0.000000 -0.463648
v 52.402920 34.020000 0.000000
vn 0.000000 0.000000 -0.321751
v 44.325836 17.865837 0.000000
vn 0.000000 0.000000 -0.463648
v 76.634163 50.174164 0.000000
vn 0.000000 0.000000 -1.570796
v 44.325836 42.097084 0.000000
vn -0.588003 0.000000 0.000000
v 44.325836 42.097084 16.154167
vn 0.000000 1.570796 0.000000
v 52.402920 42.097084 16.154167
vn -1.107149 0.000000 0.000000
v 52.402920 42.097084 0.000000
vn 0.000000 -0.463648 0.000000
v 60.480000 42.097084 16.154167
vn 0.000000 -1.107149 0.000000
v 68.557083 42.097084 0.000000
vn 1.570796 0.000000 0.000000
v 60.480000 42.097084 0.000000
vn 0.000000 -0.463647 0.000000
v 60.480000 34.020000 0.000000
vn 0.000000 -1.570796 0.000000
v 60.480000 34.020000 16.154167
vn 1.107149 0.000000 0.000000
v 52.402920 25.942917 0.000000
vn 0.000000 0.785398 0.000000
v 68.557083 25.942917 0.000000
# 24 vertices, 0 vertices normals
f 6//6 1//1 4//4
f 4//4 1//1 13//13
f 1//1 6//6 8//8
f 12//12 1//1 8//8
f 2//2 3//3 8//8
f 16//16 4//4 9//9
f 5//5 4//4 18//18
f 18//18 7//7 22//22
f 6//6 4//4 5//5
f 6//6 5//5 2//2
f 6//6 2//2 8//8
f 18//18 4//4 16//16
f 8//8 3//3 7//7
f 8//8 7//7 16//16
f 7//7 18//18 16//16
f 15//15 8//8 16//16
f 4//4 13//13 9//9
f 9//9 13//13 10//10
f 24//24 1//1 12//12
f 11//11 23//23 12//12
f 19//19 13//13 24//24
f 14//14 17//17 12//12
f 23//23 24//24 12//12
f 13//13 1//1 24//24
f 20//20 13//13 19//19
f 17//17 13//13 20//20
f 17//17 11//11 12//12
f 17//17 20//20 11//11
f 17//17 10//10 13//13
f 21//21 11//11 20//20
f 12//12 8//8 15//15
f 14//14 12//12 15//15
f 14//14 15//15 17//17
f 17//17 15//15 16//16
f 9//9 10//10 17//17
f 16//16 9//9 17//17
f 5//5 19//19 24//24
f 2//2 5//5 24//24
f 18//18 20//20 19//19
f 5//5 18//18 19//19
f 22//22 21//21 18//18
f 18//18 21//21 20//20
f 21//21 22//22 7//7
f 11//11 21//21 7//7
f 11//11 7//7 23//23
f 23//23 7//7 3//3
f 23//23 3//3 24//24
f 24//24 3//3 2//2
# 48 faces, 0 coords texture
# End of File

112
tests/data/cube_with_concave_hole_enlarged_standing.obj Normal file
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@ -0,0 +1,112 @@
####
#
# OBJ File Generated by Meshlab
#
####
# Object cube_with_concave_hole_enlarged.obj
#
# Vertices: 24
# Faces: 48
#
####
vn 0.000000 0.000000 -1.570796
v 68.557083 17.865835 0.000000
vn 0.000000 0.000000 -1.107149
v 52.402916 17.865835 0.000000
vn 0.000000 -0.463648 0.000000
v 68.557083 17.865835 32.308331
vn 0.000000 -1.570796 0.000000
v 52.402916 17.865835 32.308331
vn 2.356194 0.000000 0.000000
v 68.557083 25.942917 24.231247
vn 1.570796 0.000000 0.000000
v 68.557083 50.174164 24.231247
vn 2.034444 0.000000 0.000000
v 68.557083 42.097084 8.077083
vn 2.677945 0.000000 0.000000
v 68.557083 34.020000 24.231247
vn 0.000000 1.570796 0.000000
v 68.557083 50.174164 0.000000
vn 0.000000 1.570796 0.000000
v 52.402916 50.174164 24.231247
vn -0.321750 0.000000 0.000000
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vn -1.570796 0.000000 0.000000
v 52.402916 42.097084 32.308331
vn -0.321751 0.000000 0.000000
v 52.402916 50.174164 0.000000
vn -2.356194 0.000000 0.000000
v 52.402916 42.097084 8.077083
vn -0.785398 0.000000 0.000000
v 52.402916 42.097084 16.154165
vn 0.000000 0.000000 0.588003
v 68.557083 42.097084 32.308331
vn 0.000000 1.107149 0.000000
v 52.402916 42.097084 24.231247
vn 0.000000 1.570796 0.000000
v 68.557083 42.097084 24.231247
vn 0.000000 0.000000 1.570796
v 68.557083 25.942917 8.077083
vn 0.000000 -0.463647 0.000000
v 68.557083 42.097084 16.154165
vn 0.000000 0.000000 -1.570796
v 68.557083 34.020000 16.154165
vn 0.000000 0.000000 -0.463648
v 52.402916 34.020000 16.154165
vn 0.000000 0.000000 -1.570796
v 52.402916 34.020000 24.231247
vn 0.000000 0.000000 -0.463648
v 52.402916 25.942917 24.231247
# 24 vertices, 0 vertices normals
f 1//1 2//2 9//9
f 9//9 2//2 13//13
f 2//2 1//1 3//3
f 4//4 2//2 3//3
f 19//19 5//5 3//3
f 18//18 9//9 6//6
f 7//7 9//9 20//20
f 20//20 8//8 21//21
f 1//1 9//9 7//7
f 1//1 7//7 19//19
f 1//1 19//19 3//3
f 20//20 9//9 18//18
f 3//3 5//5 8//8
f 3//3 8//8 18//18
f 8//8 20//20 18//18
f 16//16 3//3 18//18
f 9//9 13//13 6//6
f 6//6 13//13 10//10
f 11//11 2//2 4//4
f 23//23 24//24 4//4
f 14//14 13//13 11//11
f 12//12 17//17 4//4
f 24//24 11//11 4//4
f 13//13 2//2 11//11
f 15//15 13//13 14//14
f 17//17 13//13 15//15
f 17//17 23//23 4//4
f 17//17 15//15 23//23
f 17//17 10//10 13//13
f 22//22 23//23 15//15
f 4//4 3//3 16//16
f 12//12 4//4 16//16
f 12//12 16//16 17//17
f 17//17 16//16 18//18
f 6//6 10//10 17//17
f 18//18 6//6 17//17
f 7//7 14//14 11//11
f 19//19 7//7 11//11
f 20//20 15//15 14//14
f 7//7 20//20 14//14
f 21//21 22//22 20//20
f 20//20 22//22 15//15
f 22//22 21//21 8//8
f 23//23 22//22 8//8
f 23//23 8//8 24//24
f 24//24 8//8 5//5
f 24//24 5//5 11//11
f 11//11 5//5 19//19
# 48 faces, 0 coords texture
# End of File

48
tests/data/cube_with_hole.obj Normal file
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@ -0,0 +1,48 @@
v 0.000000 0.000000 0.000000
v 0.000000 0.000000 10.000000
v 0.000000 20.000000 0.000000
v 0.000000 20.000000 10.000000
v 20.000000 0.000000 0.000000
v 20.000000 0.000000 10.000000
v 5.000000 5.000000 0.000000
v 15.000000 5.000000 0.000000
v 5.000000 15.000000 0.000000
v 20.000000 20.000000 0.000000
v 15.000000 15.000000 0.000000
v 20.000000 20.000000 10.000000
v 5.000000 5.000000 10.000000
v 5.000000 15.000000 10.000000
v 15.000000 5.000000 10.000000
v 15.000000 15.000000 10.000000
f 1 2 3
f 3 2 4
f 2 1 5
f 6 2 5
f 7 8 5
f 9 3 10
f 1 3 9
f 11 9 10
f 1 9 7
f 1 7 5
f 5 8 10
f 8 11 10
f 3 4 10
f 10 4 12
f 13 2 6
f 14 4 13
f 15 13 6
f 4 2 13
f 12 4 14
f 12 16 6
f 12 14 16
f 16 15 6
f 6 5 10
f 12 6 10
f 9 14 13
f 7 9 13
f 11 16 14
f 9 11 14
f 16 11 15
f 15 11 8
f 15 8 13
f 13 8 7

36702
tests/data/frog_legs.obj Normal file
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86
tests/data/ipadstand.obj Normal file
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v 14.281480 10.000000 9.500000
v 0.000000 0.000000 9.500000
v 31.715948 10.000000 9.500000
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v 70.113960 0.000000 30.000000
v 67.705338 10.000000 28.710720
v 71.678711 0.000000 27.289770
f 1 2 3
f 2 1 4
f 5 6 7
f 6 5 8
f 9 10 11
f 10 12 13
f 12 10 9
f 14 15 16
f 15 14 17
f 18 3 2
f 3 18 19
f 20 12 21
f 12 20 13
f 18 22 19
f 22 3 19
f 3 22 23
f 23 22 24
f 9 23 24
f 23 9 11
f 25 26 27
f 26 25 28
f 24 2 9
f 2 24 22
f 2 22 18
f 6 16 4
f 16 6 8
f 16 8 29
f 29 8 27
f 29 27 26
f 9 15 12
f 15 9 4
f 4 9 2
f 15 4 16
f 12 15 21
f 27 5 25
f 5 27 8
f 13 17 10
f 17 13 20
f 30 5 14
f 5 30 25
f 25 30 28
f 10 23 11
f 23 10 1
f 1 10 17
f 1 17 14
f 1 14 7
f 7 14 5
f 3 23 1
f 20 15 17
f 15 20 21
f 16 30 14
f 30 26 28
f 26 30 16
f 26 16 29
f 7 4 1
f 4 7 6

179
tests/data/overhang.obj Normal file
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v 1364.685059 614.398010 20.002499
v 1389.685059 614.398010 20.002499
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v 1389.685059 564.398987 20.001499
v 1364.685059 589.398987 20.002499
v 1364.685059 564.398987 20.001499
v 1360.935059 589.398987 17.001499
v 1360.935059 585.646973 17.001499
v 1357.185059 564.398987 17.001499
v 1364.685059 589.398987 17.001499
v 1364.685059 571.899963 17.001499
v 1364.685059 564.398987 17.001499
v 1348.436035 564.398987 17.001499
v 1352.809082 589.398987 17.001499
v 1357.184082 589.398987 17.001499
v 1357.183105 614.398010 17.001499
v 1364.685059 606.895996 17.001499
v 1364.685059 614.398010 17.001499
v 1352.186035 564.398987 20.001499
v 1363.654053 589.398987 23.300499
v 1359.467041 589.398987 23.300499
v 1358.371094 564.398987 23.300499
v 1385.561035 564.398987 23.300499
v 1373.063110 589.398987 23.300499
v 1368.808105 564.398987 23.300499
v 1387.623047 589.398987 23.300499
v 1387.623047 585.276001 23.300499
v 1389.685059 589.398987 23.300499
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v 1354.312012 589.398987 23.300499
v 1352.186035 564.398987 23.300499
v 1389.685059 614.398010 23.300499
v 1377.317017 614.398010 23.300499
v 1381.439087 589.398987 23.300499
v 1368.807007 614.398010 23.300499
v 1368.808105 589.398987 23.300499
v 1356.439087 614.398010 23.300499
v 1357.405029 589.398987 23.300499
v 1360.562012 614.398010 23.300499
v 1348.705078 614.398010 23.300499
v 1350.445068 589.398987 23.300499
v 1389.685059 606.153015 23.300499
v 1347.352051 589.398987 23.300499
v 1346.560059 589.398987 23.300499
v 1346.560059 594.159912 17.001499
v 1346.560059 589.398987 17.001499
v 1346.560059 605.250427 23.300499
v 1346.560059 614.398010 23.300499
v 1346.560059 614.398010 20.825829
v 1346.560059 614.398010 17.001499
v 1346.560059 564.398987 19.101339
v 1346.560059 567.548584 23.300499
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4
tests/sla_print/CMakeLists.txt Normal file
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add_executable(sla_print_tests sla_print_tests_main.cpp)
target_link_libraries(sla_print_tests test_common libslic3r ${Boost_LIBRARIES} ${TBB_LIBRARIES} ${Boost_LIBRARIES})
gtest_discover_tests(sla_print_tests TEST_PREFIX sla_print.)

301
tests/sla_print/sla_print_tests_main.cpp Normal file
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#include <gtest/gtest.h>
#include "libslic3r/libslic3r.h"
#include "libslic3r/Format/OBJ.hpp"
#include "libslic3r/SLAPrint.hpp"
#include "libslic3r/TriangleMesh.hpp"
#include "libslic3r/SLA/SLAPad.hpp"
#include "libslic3r/SLA/SLASupportTree.hpp"
#include "libslic3r/SLA/SLAAutoSupports.hpp"
#include "libslic3r/MTUtils.hpp"
#include "libslic3r/SVG.hpp"
#if defined(WIN32) || defined(_WIN32)
#define PATH_SEPARATOR "\\"
#else
#define PATH_SEPARATOR "/"
#endif
namespace {
using namespace Slic3r;
TriangleMesh load_model(const std::string &obj_filename)
{
TriangleMesh mesh;
auto fpath = std::string(TEST_DATA_DIR PATH_SEPARATOR) + obj_filename;
load_obj(fpath.c_str(), &mesh);
return mesh;
}
enum e_validity {
ASSUME_NO_EMPTY = 1,
ASSUME_MANIFOLD = 2,
ASSUME_NO_REPAIR = 4
};
void check_validity(const TriangleMesh &input_mesh,
int flags = ASSUME_NO_EMPTY | ASSUME_MANIFOLD |
ASSUME_NO_REPAIR)
{
TriangleMesh mesh{input_mesh};
if (flags & ASSUME_NO_EMPTY) {
ASSERT_FALSE(mesh.empty());
} else if (mesh.empty())
return; // If it can be empty and it is, there is nothing left to do.
ASSERT_TRUE(stl_validate(&mesh.stl));
bool do_update_shared_vertices = false;
mesh.repair(do_update_shared_vertices);
if (flags & ASSUME_NO_REPAIR) {
ASSERT_FALSE(mesh.needed_repair());
}
if (flags & ASSUME_MANIFOLD) {
mesh.require_shared_vertices();
if (!mesh.is_manifold()) mesh.WriteOBJFile("non_manifold.obj");
ASSERT_TRUE(mesh.is_manifold());
}
}
struct PadByproducts
{
ExPolygons model_contours;
ExPolygons support_contours;
TriangleMesh mesh;
};
void test_pad(const std::string & obj_filename,
const sla::PadConfig &padcfg,
PadByproducts & out)
{
ASSERT_TRUE(padcfg.validate().empty());
TriangleMesh mesh = load_model(obj_filename);
ASSERT_FALSE(mesh.empty());
// Create pad skeleton only from the model
Slic3r::sla::pad_blueprint(mesh, out.model_contours);
ASSERT_FALSE(out.model_contours.empty());
// Create the pad geometry the model contours only
Slic3r::sla::create_pad({}, out.model_contours, out.mesh, padcfg);
check_validity(out.mesh);
auto bb = out.mesh.bounding_box();
ASSERT_DOUBLE_EQ(bb.max.z() - bb.min.z(),
padcfg.full_height());
}
void test_pad(const std::string & obj_filename,
const sla::PadConfig &padcfg = {})
{
PadByproducts byproducts;
test_pad(obj_filename, padcfg, byproducts);
}
struct SupportByproducts
{
std::vector<float> slicegrid;
std::vector<ExPolygons> model_slices;
sla::SLASupportTree supporttree;
};
const constexpr float CLOSING_RADIUS = 0.005f;
void test_supports(const std::string & obj_filename,
const sla::SupportConfig &supportcfg,
SupportByproducts & out)
{
using namespace Slic3r;
TriangleMesh mesh = load_model(obj_filename);
ASSERT_FALSE(mesh.empty());
TriangleMeshSlicer slicer{&mesh};
auto bb = mesh.bounding_box();
double zmin = bb.min.z();
double zmax = bb.max.z();
double gnd = zmin - supportcfg.object_elevation_mm;
auto layer_h = 0.05f;
out.slicegrid = grid(float(gnd), float(zmax), layer_h);
slicer.slice(out.slicegrid , CLOSING_RADIUS, &out.model_slices, []{});
// Create the special index-triangle mesh with spatial indexing which
// is the input of the support point and support mesh generators
sla::EigenMesh3D emesh{mesh};
// Create the support point generator
sla::SLAAutoSupports::Config autogencfg;
autogencfg.head_diameter = float(2 * supportcfg.head_front_radius_mm);
sla::SLAAutoSupports point_gen{emesh, out.model_slices, out.slicegrid,
autogencfg, [] {}, [](int) {}};
// Get the calculated support points.
std::vector<sla::SupportPoint> support_points = point_gen.output();
int validityflags = ASSUME_NO_REPAIR;
// If there is no elevation, support points shall be removed from the
// bottom of the object.
if (supportcfg.object_elevation_mm < EPSILON) {
sla::remove_bottom_points(support_points, zmin,
supportcfg.base_height_mm);
} else {
// Should be support points at least on the bottom of the model
ASSERT_FALSE(support_points.empty());
// Also the support mesh should not be empty.
validityflags |= ASSUME_NO_EMPTY;
}
// Generate the actual support tree
sla::SLASupportTree supporttree(support_points, emesh, supportcfg);
const TriangleMesh &output_mesh = supporttree.merged_mesh();
check_validity(output_mesh, validityflags);
// Quick check if the dimensions and placement of supports are correct
auto obb = output_mesh.bounding_box();
ASSERT_DOUBLE_EQ(obb.min.z(), zmin - supportcfg.object_elevation_mm);
ASSERT_LE(obb.max.z(), zmax);
// Move out the support tree into the byproducts, we can examine it further
// in various tests.
out.supporttree = std::move(supporttree);
}
void test_supports(const std::string & obj_filename,
const sla::SupportConfig &supportcfg = {})
{
SupportByproducts byproducts;
test_supports(obj_filename, supportcfg, byproducts);
}
void test_support_model_collision(
const std::string & obj_filename,
const sla::SupportConfig &input_supportcfg = {})
{
SupportByproducts byproducts;
sla::SupportConfig supportcfg = input_supportcfg;
// Set head penetration to a small negative value which should ensure that
// the supports will not touch the model body.
supportcfg.head_penetration_mm = -0.1;
test_supports(obj_filename, supportcfg, byproducts);
// Slice the support mesh given the slice grid of the model.
std::vector<ExPolygons> support_slices =
byproducts.supporttree.slice(byproducts.slicegrid, CLOSING_RADIUS);
// The slices originate from the same slice grid so the numbers must match
ASSERT_EQ(support_slices.size(), byproducts.model_slices.size());
bool notouch = true;
for (size_t n = 0; notouch && n < support_slices.size(); ++n) {
const ExPolygons &sup_slice = support_slices[n];
const ExPolygons &mod_slice = byproducts.model_slices[n];
Polygons intersections = intersection(sup_slice, mod_slice);
notouch = notouch && intersections.empty();
}
ASSERT_TRUE(notouch);
}
const char * const BELOW_PAD_TEST_OBJECTS[] = {
"20mm_cube.obj",
"V.obj",
};
const char * const AROUND_PAD_TEST_OBJECTS[] = {
"20mm_cube.obj",
"V.obj",
"frog_legs.obj",
"cube_with_concave_hole_enlarged.obj",
};
const char *const SUPPORT_TEST_MODELS[] = {
"cube_with_concave_hole_enlarged_standing.obj",
};
} // namespace
TEST(SLASupportGeneration, FlatPadGeometryIsValid) {
sla::PadConfig padcfg;
// Disable wings
padcfg.wall_height_mm = .0;
for (auto &fname : BELOW_PAD_TEST_OBJECTS) test_pad(fname, padcfg);
}
TEST(SLASupportGeneration, WingedPadGeometryIsValid) {
sla::PadConfig padcfg;
// Add some wings to the pad to test the cavity
padcfg.wall_height_mm = 1.;
for (auto &fname : BELOW_PAD_TEST_OBJECTS) test_pad(fname, padcfg);
}
TEST(SLASupportGeneration, FlatPadAroundObjectIsValid) {
sla::PadConfig padcfg;
// Add some wings to the pad to test the cavity
padcfg.wall_height_mm = 0.;
// padcfg.embed_object.stick_stride_mm = 0.;
padcfg.embed_object.enabled = true;
padcfg.embed_object.everywhere = true;
for (auto &fname : AROUND_PAD_TEST_OBJECTS) test_pad(fname, padcfg);
}
TEST(SLASupportGeneration, WingedPadAroundObjectIsValid) {
sla::PadConfig padcfg;
// Add some wings to the pad to test the cavity
padcfg.wall_height_mm = 1.;
padcfg.embed_object.enabled = true;
padcfg.embed_object.everywhere = true;
for (auto &fname : AROUND_PAD_TEST_OBJECTS) test_pad(fname, padcfg);
}
TEST(SLASupportGeneration, ElevatedSupportGeometryIsValid) {
sla::SupportConfig supportcfg;
supportcfg.object_elevation_mm = 5.;
for (auto fname : SUPPORT_TEST_MODELS) test_supports(fname);
}
TEST(SLASupportGeneration, FloorSupportGeometryIsValid) {
sla::SupportConfig supportcfg;
supportcfg.object_elevation_mm = 0;
for (auto &fname: SUPPORT_TEST_MODELS) test_supports(fname, supportcfg);
}
TEST(SLASupportGeneration, SupportsDoNotPierceModel) {
sla::SupportConfig supportcfg;
for (auto fname : SUPPORT_TEST_MODELS)
test_support_model_collision(fname, supportcfg);
}
int main(int argc, char **argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}