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authorMike Pittman <thepittos@yahoo.com.au>2008-05-16 02:57:01 +0000
committerozmikepittman <ozmikepittman@users.sourceforge.net>2008-05-16 02:57:01 +0000
commit9ebb63b9d84d89d8b87ea4db9abcf54a2cdaf157 (patch)
tree24646d3d9ca926ec6b6f74920c08673f8032ce71
parentback off on lifecycle stuff for now (diff)
downloadinkscape-9ebb63b9d84d89d8b87ea4db9abcf54a2cdaf157.tar.gz
inkscape-9ebb63b9d84d89d8b87ea4db9abcf54a2cdaf157.zip
Adding extension Effects->Render->3D Polyhedron by inductiveload - see LP #230478
(bzr r5677)
-rw-r--r--po/POTFILES.in1
-rw-r--r--share/extensions/Makefile.am3
-rw-r--r--share/extensions/Poly3DObjects/cube.obj19
-rw-r--r--share/extensions/Poly3DObjects/cuboct.obj30
-rw-r--r--share/extensions/Poly3DObjects/dodec.obj36
-rw-r--r--share/extensions/Poly3DObjects/great_dodec.obj96
-rw-r--r--share/extensions/Poly3DObjects/great_rhombicosidodec.obj185
-rw-r--r--share/extensions/Poly3DObjects/great_rhombicuboct.obj77
-rw-r--r--share/extensions/Poly3DObjects/great_stel_dodec.obj96
-rw-r--r--share/extensions/Poly3DObjects/icos.obj36
-rw-r--r--share/extensions/Poly3DObjects/icosidodec.obj65
-rw-r--r--share/extensions/Poly3DObjects/jessens_orthog_icos.obj35
-rw-r--r--share/extensions/Poly3DObjects/methane.obj13
-rw-r--r--share/extensions/Poly3DObjects/oct.obj17
-rw-r--r--share/extensions/Poly3DObjects/rh_axes.obj12
-rw-r--r--share/extensions/Poly3DObjects/rhomb_dodec.obj29
-rw-r--r--share/extensions/Poly3DObjects/rhomb_triacont.obj65
-rw-r--r--share/extensions/Poly3DObjects/small_rhombicosidodec.obj127
-rw-r--r--share/extensions/Poly3DObjects/small_rhombicuboct.obj54
-rw-r--r--share/extensions/Poly3DObjects/small_triam_icos.obj95
-rw-r--r--share/extensions/Poly3DObjects/snub_cube.obj65
-rw-r--r--share/extensions/Poly3DObjects/snub_dodec.obj156
-rw-r--r--share/extensions/Poly3DObjects/szilassi.obj24
-rw-r--r--share/extensions/Poly3DObjects/tet.obj12
-rw-r--r--share/extensions/Poly3DObjects/trunc_cube.obj42
-rw-r--r--share/extensions/Poly3DObjects/trunc_dodec.obj96
-rw-r--r--share/extensions/Poly3DObjects/trunc_icos.obj96
-rw-r--r--share/extensions/Poly3DObjects/trunc_oct.obj42
-rw-r--r--share/extensions/Poly3DObjects/trunc_tet.obj24
-rw-r--r--share/extensions/polyhedron_3d.inx96
-rw-r--r--share/extensions/polyhedron_3d.py492
31 files changed, 2236 insertions, 0 deletions
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 5ea99dc81..fbda23fb3 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -371,6 +371,7 @@ src/winmain.cpp
[type: gettext/xml] share/extensions/pathscatter.inx
[type: gettext/xml] share/extensions/perfectboundcover.inx
[type: gettext/xml] share/extensions/perspective.inx
+[type: gettext/xml] share/extensions/polyhedron_3D.inx
[type: gettext/xml] share/extensions/ps_input.inx
[type: gettext/xml] share/extensions/radiusrand.inx
[type: gettext/xml] share/extensions/render_alphabetsoup.inx
diff --git a/share/extensions/Makefile.am b/share/extensions/Makefile.am
index 4544b0866..62fa9eeda 100644
--- a/share/extensions/Makefile.am
+++ b/share/extensions/Makefile.am
@@ -2,6 +2,7 @@
SUBDIRS = \
alphabet_soup \
Barcode \
+ Poly3DObjects \
xaml2svg
extensiondir = $(datadir)/inkscape/extensions
@@ -73,6 +74,7 @@ extensions = \
pathmodifier.py\
perfectboundcover.py \
perspective.py \
+ polyhedron_3d.py \
ps2dxf.sh \
ps2epsi.sh \
ps2pdf.cmd \
@@ -186,6 +188,7 @@ modules = \
pdf_output_via_gs_on_win32.inx.txt \
perfectboundcover.inx \
perspective.inx \
+ polyhedron_3d.inx \
ps_input.inx \
radiusrand.inx \
render_barcode.inx \
diff --git a/share/extensions/Poly3DObjects/cube.obj b/share/extensions/Poly3DObjects/cube.obj
new file mode 100644
index 000000000..ed249d456
--- /dev/null
+++ b/share/extensions/Poly3DObjects/cube.obj
@@ -0,0 +1,19 @@
+#Name:Cube
+#Type:Face-specified
+#Direction:Clockwise
+
+v -0.5 -0.5 -0.5
+v -0.5 -0.5 0.5
+v -0.5 0.5 -0.5
+v -0.5 0.5 0.5
+v 0.5 -0.5 -0.5
+v 0.5 -0.5 0.5
+v 0.5 0.5 -0.5
+v 0.5 0.5 0.5
+
+f 8 4 2 6
+f 8 6 5 7
+f 8 7 3 4
+f 4 3 1 2
+f 1 3 7 5
+f 2 1 5 6 \ No newline at end of file
diff --git a/share/extensions/Poly3DObjects/cuboct.obj b/share/extensions/Poly3DObjects/cuboct.obj
new file mode 100644
index 000000000..030743f92
--- /dev/null
+++ b/share/extensions/Poly3DObjects/cuboct.obj
@@ -0,0 +1,30 @@
+#Name:Cuboctahedron
+#Type:Face_specified
+
+v -1. 0 0
+v -0.5 -0.5 -0.70710678
+v -0.5 -0.5 0.70710678
+v -0.5 0.5 -0.70710678
+v -0.5 0.5 0.70710678
+v 0 -1. 0
+v 0 1. 0
+v 0.5 -0.5 -0.70710678
+v 0.5 -0.5 0.70710678
+v 0.5 0.5 -0.70710678
+v 0.5 0.5 0.70710678
+v 1. 0 0
+
+f 12 11 9
+f 3 5 1
+f 6 9 3
+f 5 11 7
+f 8 10 12
+f 1 4 2
+f 2 8 6
+f 7 10 4
+f 4 10 8 2
+f 3 9 11 5
+f 9 6 8 12
+f 3 1 2 6
+f 5 7 4 1
+f 11 12 10 7
diff --git a/share/extensions/Poly3DObjects/dodec.obj b/share/extensions/Poly3DObjects/dodec.obj
new file mode 100644
index 000000000..823f53911
--- /dev/null
+++ b/share/extensions/Poly3DObjects/dodec.obj
@@ -0,0 +1,36 @@
+#NameDodecahedron
+#Type:Face_specified
+
+v 0 0 1.4012585
+v 0 0 -1.4012585
+v 0.17841104 -1.3090170 0.46708618
+v 0.17841104 1.3090170 0.46708618
+v 0.46708618 -0.80901699 -1.0444364
+v 0.46708618 0.80901699 -1.0444364
+v 1.0444364 -0.80901699 0.46708618
+v 1.0444364 0.80901699 0.46708618
+v -1.2228475 -0.5 0.46708618
+v -1.2228475 0.5 0.46708618
+v 1.2228475 -0.5 -0.46708618
+v 1.2228475 0.5 -0.46708618
+v -0.93417236 0 -1.0444364
+v -0.46708618 -0.80901699 1.0444364
+v -0.46708618 0.80901699 1.0444364
+v 0.93417236 0 1.0444364
+v -1.0444364 -0.80901699 -0.46708618
+v -1.0444364 0.80901699 -0.46708618
+v -0.17841104 -1.3090170 -0.46708618
+v -0.17841104 1.3090170 -0.46708618
+
+f 15 10 9 14 1
+f 2 6 12 11 5
+f 5 11 7 3 19
+f 11 12 8 16 7
+f 12 6 20 4 8
+f 6 2 13 18 20
+f 2 5 19 17 13
+f 4 20 18 10 15
+f 18 13 17 9 10
+f 17 19 3 14 9
+f 3 7 16 1 14
+f 16 8 4 15 1
diff --git a/share/extensions/Poly3DObjects/great_dodec.obj b/share/extensions/Poly3DObjects/great_dodec.obj
new file mode 100644
index 000000000..8feac9c6c
--- /dev/null
+++ b/share/extensions/Poly3DObjects/great_dodec.obj
@@ -0,0 +1,96 @@
+#Name:Great Dodecahedron
+#Type:Face_specified
+
+v 0. 0. -0.951057
+v 0. 0. 0.951057
+v -0.425325 -0.309017 -0.100406
+v -0.425325 0.309017 -0.100406
+v 0.425325 -0.309017 0.100406
+v 0.425325 0.309017 0.100406
+v -0.688191 -0.5 0.425325
+v -0.688191 0.5 0.425325
+v 0.688191 -0.5 -0.425325
+v 0.688191 0.5 -0.425325
+v -0.850651 0. -0.425325
+v 0.850651 0. 0.425325
+v -0.100406 -0.309017 0.425325
+v -0.100406 0.309017 0.425325
+v 0.100406 -0.309017 -0.425325
+v 0.100406 0.309017 -0.425325
+v -0.32492 0. 0.425325
+v -0.16246 -0.5 0.100406
+v -0.16246 0.5 0.100406
+v 0.16246 -0.5 -0.100406
+v 0.16246 0.5 -0.100406
+v 0.32492 0. -0.425325
+v -0.525731 0. 0.100406
+v -0.262866 -0.809017 -0.425325
+v -0.262866 0.190983 -0.425325
+v -0.262866 -0.190983 -0.425325
+v -0.262866 0.809017 -0.425325
+v 0.262866 -0.809017 0.425325
+v 0.262866 0.190983 0.425325
+v 0.262866 -0.190983 0.425325
+v 0.262866 0.809017 0.425325
+v 0.525731 0. -0.100406
+
+f 14 2 31
+f 14 31 8
+f 14 8 2
+f 17 2 8
+f 17 8 7
+f 17 7 2
+f 13 2 7
+f 13 7 28
+f 13 28 2
+f 30 2 28
+f 30 28 12
+f 30 12 2
+f 29 2 12
+f 29 12 31
+f 29 31 2
+f 15 9 24
+f 15 24 1
+f 15 1 9
+f 22 10 9
+f 22 9 1
+f 22 1 10
+f 16 27 10
+f 16 10 1
+f 16 1 27
+f 25 11 27
+f 25 27 1
+f 25 1 11
+f 26 24 11
+f 26 11 1
+f 26 1 24
+f 19 31 27
+f 19 27 8
+f 19 8 31
+f 23 8 11
+f 23 11 7
+f 23 7 8
+f 18 7 24
+f 18 24 28
+f 18 28 7
+f 5 28 9
+f 5 9 12
+f 5 12 28
+f 6 12 10
+f 6 10 31
+f 6 31 12
+f 20 9 28
+f 20 28 24
+f 20 24 9
+f 32 10 12
+f 32 12 9
+f 32 9 10
+f 21 27 31
+f 21 31 10
+f 21 10 27
+f 4 11 8
+f 4 8 27
+f 4 27 11
+f 3 24 7
+f 3 7 11
+f 3 11 24
diff --git a/share/extensions/Poly3DObjects/great_rhombicosidodec.obj b/share/extensions/Poly3DObjects/great_rhombicosidodec.obj
new file mode 100644
index 000000000..7dffdd757
--- /dev/null
+++ b/share/extensions/Poly3DObjects/great_rhombicosidodec.obj
@@ -0,0 +1,185 @@
+#Name:Great Rhombicosidodecahedron
+#Type:face_specified
+v -1. -1.30902 -3.42705
+v -1. -1.30902 3.42705
+v -1. 1.30902 -3.42705
+v -1. 1.30902 3.42705
+v -0.5 -0.5 -3.73607
+v -0.5 -0.5 3.73607
+v -0.5 0.5 -3.73607
+v -0.5 0.5 3.73607
+v -0.5 -3.73607 -0.5
+v -0.5 -3.73607 0.5
+v -0.5 -2.11803 -3.11803
+v -0.5 -2.11803 3.11803
+v -0.5 3.73607 -0.5
+v -0.5 3.73607 0.5
+v -0.5 2.11803 -3.11803
+v -0.5 2.11803 3.11803
+v 0.5 -0.5 -3.73607
+v 0.5 -0.5 3.73607
+v 0.5 0.5 -3.73607
+v 0.5 0.5 3.73607
+v 0.5 -3.73607 -0.5
+v 0.5 -3.73607 0.5
+v 0.5 -2.11803 -3.11803
+v 0.5 -2.11803 3.11803
+v 0.5 3.73607 -0.5
+v 0.5 3.73607 0.5
+v 0.5 2.11803 -3.11803
+v 0.5 2.11803 3.11803
+v 1. -1.30902 -3.42705
+v 1. -1.30902 3.42705
+v 1. 1.30902 -3.42705
+v 1. 1.30902 3.42705
+v -3.42705 -1. -1.30902
+v -3.42705 -1. 1.30902
+v -3.42705 1. -1.30902
+v -3.42705 1. 1.30902
+v -2.92705 -1.80902 -1.61803
+v -2.92705 -1.80902 1.61803
+v -2.92705 1.80902 -1.61803
+v -2.92705 1.80902 1.61803
+v -1.80902 -1.61803 -2.92705
+v -1.80902 -1.61803 2.92705
+v -1.80902 1.61803 -2.92705
+v -1.80902 1.61803 2.92705
+v -1.30902 -3.42705 -1.
+v -1.30902 -3.42705 1.
+v -1.30902 -2.42705 -2.61803
+v -1.30902 -2.42705 2.61803
+v -1.30902 2.42705 -2.61803
+v -1.30902 2.42705 2.61803
+v -1.30902 3.42705 -1.
+v -1.30902 3.42705 1.
+v -2.61803 -1.30902 -2.42705
+v -2.61803 -1.30902 2.42705
+v -2.61803 1.30902 -2.42705
+v -2.61803 1.30902 2.42705
+v -3.73607 -0.5 -0.5
+v -3.73607 -0.5 0.5
+v -3.73607 0.5 -0.5
+v -3.73607 0.5 0.5
+v -1.61803 -2.92705 -1.80902
+v -1.61803 -2.92705 1.80902
+v -1.61803 2.92705 -1.80902
+v -1.61803 2.92705 1.80902
+v -3.11803 -0.5 -2.11803
+v -3.11803 -0.5 2.11803
+v -3.11803 0.5 -2.11803
+v -3.11803 0.5 2.11803
+v -2.11803 -3.11803 -0.5
+v -2.11803 -3.11803 0.5
+v -2.11803 3.11803 -0.5
+v -2.11803 3.11803 0.5
+v -2.42705 -2.61803 -1.30902
+v -2.42705 -2.61803 1.30902
+v -2.42705 2.61803 -1.30902
+v -2.42705 2.61803 1.30902
+v 1.61803 -2.92705 -1.80902
+v 1.61803 -2.92705 1.80902
+v 1.61803 2.92705 -1.80902
+v 1.61803 2.92705 1.80902
+v 2.42705 -2.61803 -1.30902
+v 2.42705 -2.61803 1.30902
+v 2.42705 2.61803 -1.30902
+v 2.42705 2.61803 1.30902
+v 3.73607 -0.5 -0.5
+v 3.73607 -0.5 0.5
+v 3.73607 0.5 -0.5
+v 3.73607 0.5 0.5
+v 2.11803 -3.11803 -0.5
+v 2.11803 -3.11803 0.5
+v 2.11803 3.11803 -0.5
+v 2.11803 3.11803 0.5
+v 1.30902 -3.42705 -1.
+v 1.30902 -3.42705 1.
+v 1.30902 -2.42705 -2.61803
+v 1.30902 -2.42705 2.61803
+v 1.30902 2.42705 -2.61803
+v 1.30902 2.42705 2.61803
+v 1.30902 3.42705 -1.
+v 1.30902 3.42705 1.
+v 2.61803 -1.30902 -2.42705
+v 2.61803 -1.30902 2.42705
+v 2.61803 1.30902 -2.42705
+v 2.61803 1.30902 2.42705
+v 3.11803 -0.5 -2.11803
+v 3.11803 -0.5 2.11803
+v 3.11803 0.5 -2.11803
+v 3.11803 0.5 2.11803
+v 1.80902 -1.61803 -2.92705
+v 1.80902 -1.61803 2.92705
+v 1.80902 1.61803 -2.92705
+v 1.80902 1.61803 2.92705
+v 2.92705 -1.80902 -1.61803
+v 2.92705 -1.80902 1.61803
+v 2.92705 1.80902 -1.61803
+v 2.92705 1.80902 1.61803
+v 3.42705 -1. -1.30902
+v 3.42705 -1. 1.30902
+v 3.42705 1. -1.30902
+v 3.42705 1. 1.30902
+
+f 2 6 8 4 44 56 68 66 54 42
+f 109 29 17 19 31 111 103 107 105 101
+f 24 30 18 6 2 12
+f 7 3 15 27 31 19
+f 58 57 33 37 73 69 70 74 38 34
+f 84 116 120 88 87 119 115 83 91 92
+f 90 89 81 113 117 85 86 118 114 82
+f 36 40 76 72 71 75 39 35 59 60
+f 5 17 29 23 11 1
+f 4 8 20 32 28 16
+f 67 55 43 3 7 5 1 41 53 65
+f 18 30 110 102 106 108 104 112 32 20
+f 79 83 115 103 111 97
+f 38 74 62 48 42 54
+f 4 16 50 44
+f 23 29 109 95
+f 96 110 30 24
+f 43 49 15 3
+f 53 41 47 61 73 37
+f 98 112 104 116 84 80
+f 69 45 9 10 46 70
+f 26 100 92 91 99 25
+f 82 114 102 110 96 78
+f 55 39 75 63 49 43
+f 1 11 47 41
+f 28 32 112 98
+f 61 47 11 23 95 77 93 21 9 45
+f 50 16 28 98 80 100 26 14 52 64
+f 97 111 31 27
+f 42 48 12 2
+f 44 50 64 76 40 56
+f 77 95 109 101 113 81
+f 63 51 13 25 99 79 97 27 15 49
+f 46 10 22 94 78 96 24 12 48 62
+f 52 14 13 51 71 72
+f 22 21 93 89 90 94
+f 115 119 107 103
+f 34 38 54 66
+f 71 51 63 75
+f 94 90 82 78
+f 114 118 106 102
+f 35 39 55 67
+f 70 46 62 74
+f 99 91 83 79
+f 65 53 37 33
+f 104 108 120 116
+f 77 81 89 93
+f 76 64 52 72
+f 59 35 67 65 33 57
+f 106 118 86 88 120 108
+f 68 56 40 36
+f 101 105 117 113
+f 80 84 92 100
+f 73 61 45 69
+f 34 66 68 36 60 58
+f 105 107 119 87 85 117
+f 7 19 17 5
+f 6 18 20 8
+f 14 26 25 13
+f 9 21 22 10
+f 58 60 59 57
+f 85 87 88 86
diff --git a/share/extensions/Poly3DObjects/great_rhombicuboct.obj b/share/extensions/Poly3DObjects/great_rhombicuboct.obj
new file mode 100644
index 000000000..eb9bdb714
--- /dev/null
+++ b/share/extensions/Poly3DObjects/great_rhombicuboct.obj
@@ -0,0 +1,77 @@
+#Name:Great Rhombicuboctahedron
+#Type:face_specified
+v -0.5 1.20711 -1.91421
+v -0.5 1.20711 1.91421
+v -0.5 -1.20711 -1.91421
+v -0.5 -1.20711 1.91421
+v -0.5 -1.91421 1.20711
+v -0.5 -1.91421 -1.20711
+v -0.5 1.91421 1.20711
+v -0.5 1.91421 -1.20711
+v 0.5 1.20711 -1.91421
+v 0.5 1.20711 1.91421
+v 0.5 -1.20711 -1.91421
+v 0.5 -1.20711 1.91421
+v 0.5 -1.91421 1.20711
+v 0.5 -1.91421 -1.20711
+v 0.5 1.91421 1.20711
+v 0.5 1.91421 -1.20711
+v 1.20711 -0.5 -1.91421
+v 1.20711 -0.5 1.91421
+v 1.20711 0.5 -1.91421
+v 1.20711 0.5 1.91421
+v 1.20711 -1.91421 -0.5
+v 1.20711 -1.91421 0.5
+v 1.20711 1.91421 -0.5
+v 1.20711 1.91421 0.5
+v -1.20711 -0.5 -1.91421
+v -1.20711 -0.5 1.91421
+v -1.20711 0.5 -1.91421
+v -1.20711 0.5 1.91421
+v -1.20711 -1.91421 -0.5
+v -1.20711 -1.91421 0.5
+v -1.20711 1.91421 -0.5
+v -1.20711 1.91421 0.5
+v -1.91421 -0.5 1.20711
+v -1.91421 -0.5 -1.20711
+v -1.91421 0.5 1.20711
+v -1.91421 0.5 -1.20711
+v -1.91421 1.20711 -0.5
+v -1.91421 1.20711 0.5
+v -1.91421 -1.20711 -0.5
+v -1.91421 -1.20711 0.5
+v 1.91421 -0.5 1.20711
+v 1.91421 -0.5 -1.20711
+v 1.91421 0.5 1.20711
+v 1.91421 0.5 -1.20711
+v 1.91421 1.20711 -0.5
+v 1.91421 1.20711 0.5
+v 1.91421 -1.20711 -0.5
+v 1.91421 -1.20711 0.5
+
+f 44 42 17 19
+f 14 6 3 11
+f 34 36 27 25
+f 8 16 9 1
+f 20 18 41 43
+f 12 4 5 13
+f 26 28 35 33
+f 2 10 15 7
+f 45 23 24 46
+f 39 29 30 40
+f 48 22 21 47
+f 38 32 31 37
+f 9 19 17 11 3 25 27 1
+f 2 28 26 4 12 18 20 10
+f 41 48 47 42 44 45 46 43
+f 35 38 37 36 34 39 40 33
+f 15 24 23 16 8 31 32 7
+f 5 30 29 6 14 21 22 13
+f 46 24 15 10 20 43
+f 35 28 2 7 32 38
+f 41 18 12 13 22 48
+f 40 30 5 4 26 33
+f 44 19 9 16 23 45
+f 37 31 8 1 27 36
+f 47 21 14 11 17 42
+f 34 25 3 6 29 39
diff --git a/share/extensions/Poly3DObjects/great_stel_dodec.obj b/share/extensions/Poly3DObjects/great_stel_dodec.obj
new file mode 100644
index 000000000..443abd5aa
--- /dev/null
+++ b/share/extensions/Poly3DObjects/great_stel_dodec.obj
@@ -0,0 +1,96 @@
+#Name:Great Stellated Dodecahedron
+#Type:face_specified
+
+v 0. 0. -0.951057
+v 0. 0. 0.951057
+v -0.425325 -1.30902 1.80171
+v -0.425325 1.30902 1.80171
+v 0.425325 -1.30902 -1.80171
+v 0.425325 1.30902 -1.80171
+v -0.688191 -0.5 0.425325
+v -0.688191 0.5 0.425325
+v -0.688191 -2.11803 0.425325
+v -0.688191 2.11803 0.425325
+v 0.688191 -0.5 -0.425325
+v 0.688191 0.5 -0.425325
+v 0.688191 -2.11803 -0.425325
+v 0.688191 2.11803 -0.425325
+v -0.850651 0. -0.425325
+v 0.850651 0. 0.425325
+v -1.11352 -0.809017 -1.80171
+v -1.11352 0.809017 -1.80171
+v 1.11352 -0.809017 1.80171
+v 1.11352 0.809017 1.80171
+v -1.80171 -1.30902 -0.425325
+v -1.80171 1.30902 -0.425325
+v 1.80171 -1.30902 0.425325
+v 1.80171 1.30902 0.425325
+v -2.22703 0. 0.425325
+v 2.22703 0. -0.425325
+v -0.262866 -0.809017 -0.425325
+v -0.262866 0.809017 -0.425325
+v 0.262866 -0.809017 0.425325
+v 0.262866 0.809017 0.425325
+v -1.37638 0. 1.80171
+v 1.37638 0. -1.80171
+
+f 4 2 30
+f 4 30 8
+f 4 8 2
+f 31 2 8
+f 31 8 7
+f 31 7 2
+f 3 2 7
+f 3 7 29
+f 3 29 2
+f 19 2 29
+f 19 29 16
+f 19 16 2
+f 20 2 16
+f 20 16 30
+f 20 30 2
+f 5 11 27
+f 5 27 1
+f 5 1 11
+f 32 12 11
+f 32 11 1
+f 32 1 12
+f 6 28 12
+f 6 12 1
+f 6 1 28
+f 18 15 28
+f 18 28 1
+f 18 1 15
+f 17 27 15
+f 17 15 1
+f 17 1 27
+f 10 30 28
+f 10 28 8
+f 10 8 30
+f 25 8 15
+f 25 15 7
+f 25 7 8
+f 9 7 27
+f 9 27 29
+f 9 29 7
+f 23 29 11
+f 23 11 16
+f 23 16 29
+f 24 16 12
+f 24 12 30
+f 24 30 16
+f 13 11 29
+f 13 29 27
+f 13 27 11
+f 26 12 16
+f 26 16 11
+f 26 11 12
+f 14 28 30
+f 14 30 12
+f 14 12 28
+f 22 15 8
+f 22 8 28
+f 22 28 15
+f 21 27 7
+f 21 7 15
+f 21 15 27
diff --git a/share/extensions/Poly3DObjects/icos.obj b/share/extensions/Poly3DObjects/icos.obj
new file mode 100644
index 000000000..d0e991a77
--- /dev/null
+++ b/share/extensions/Poly3DObjects/icos.obj
@@ -0,0 +1,36 @@
+#Name:Icosahedron
+#Type:face_specified
+
+v 0 0 -0.95105652
+v 0 0 0.95105652
+v -0.85065081 0 -0.42532540
+v 0.85065081 0 0.42532540
+v 0.68819096 -0.50000000 -0.42532540
+v 0.68819096 0.50000000 -0.42532540
+v -0.68819096 -0.50000000 0.42532540
+v -0.68819096 0.50000000 0.42532540
+v -0.26286556 -0.80901699 -0.42532540
+v -0.26286556 0.80901699 -0.42532540
+v 0.26286556 -0.80901699 0.42532540
+v 0.26286556 0.80901699 0.42532540
+
+f 2 12 8
+f 2 8 7
+f 2 7 11
+f 2 11 4
+f 2 4 12
+f 5 9 1
+f 6 5 1
+f 10 6 1
+f 3 10 1
+f 9 3 1
+f 12 10 8
+f 8 3 7
+f 7 9 11
+f 11 5 4
+f 4 6 12
+f 5 11 9
+f 6 4 5
+f 10 12 6
+f 3 8 10
+f 9 7 3
diff --git a/share/extensions/Poly3DObjects/icosidodec.obj b/share/extensions/Poly3DObjects/icosidodec.obj
new file mode 100644
index 000000000..a7489219b
--- /dev/null
+++ b/share/extensions/Poly3DObjects/icosidodec.obj
@@ -0,0 +1,65 @@
+#Name:Icosidodecahedron
+#Type:face_specified
+v 0. -1.61803 0.
+v 0. 1.61803 0.
+v 0.262866 -0.809017 -1.37638
+v 0.262866 0.809017 -1.37638
+v 0.425325 -1.30902 0.850651
+v 0.425325 1.30902 0.850651
+v 0.688191 -0.5 1.37638
+v 0.688191 0.5 1.37638
+v 1.11352 -0.809017 -0.850651
+v 1.11352 0.809017 -0.850651
+v -1.37638 0. -0.850651
+v -0.688191 -0.5 -1.37638
+v -0.688191 0.5 -1.37638
+v 1.37638 0. 0.850651
+v 0.951057 -1.30902 0.
+v 0.951057 1.30902 0.
+v 0.850651 0. -1.37638
+v -0.951057 -1.30902 0.
+v -0.951057 1.30902 0.
+v -1.53884 -0.5 0.
+v -1.53884 0.5 0.
+v 1.53884 -0.5 0.
+v 1.53884 0.5 0.
+v -0.850651 0. 1.37638
+v -1.11352 -0.809017 0.850651
+v -1.11352 0.809017 0.850651
+v -0.425325 -1.30902 -0.850651
+v -0.425325 1.30902 -0.850651
+v -0.262866 -0.809017 1.37638
+v -0.262866 0.809017 1.37638
+
+f 30 24 29 7 8
+f 26 24 30
+f 25 29 24
+f 5 7 29
+f 14 8 7
+f 6 30 8
+f 16 2 6
+f 19 21 26
+f 20 18 25
+f 1 15 5
+f 22 23 14
+f 2 19 26 30 6
+f 21 20 25 24 26
+f 18 1 5 29 25
+f 15 22 14 7 5
+f 23 16 6 8 14
+f 12 13 4 17 3
+f 3 17 9
+f 17 4 10
+f 4 13 28
+f 13 12 11
+f 12 3 27
+f 27 1 18
+f 9 22 15
+f 10 16 23
+f 28 19 2
+f 11 20 21
+f 27 3 9 15 1
+f 9 17 10 23 22
+f 10 4 28 2 16
+f 28 13 11 21 19
+f 11 12 27 18 20
diff --git a/share/extensions/Poly3DObjects/jessens_orthog_icos.obj b/share/extensions/Poly3DObjects/jessens_orthog_icos.obj
new file mode 100644
index 000000000..b08b2c4d1
--- /dev/null
+++ b/share/extensions/Poly3DObjects/jessens_orthog_icos.obj
@@ -0,0 +1,35 @@
+#Name:Jessen's Orthogonal Icosahedron
+#Type:face_specified
+v 0. -0.809017 0.5
+v 0. -0.809017 -0.5
+v 0. 0.809017 0.5
+v 0. 0.809017 -0.5
+v 0.5 0. -0.809017
+v 0.5 0. 0.809017
+v -0.5 0. -0.809017
+v -0.5 0. 0.809017
+v -0.809017 0.5 0.
+v -0.809017 -0.5 0.
+v 0.809017 0.5 0.
+v 0.809017 -0.5 0.
+
+f 3 1 6
+f 6 1 12
+f 6 12 5
+f 11 3 6
+f 6 5 11
+f 12 1 10
+f 12 10 2
+f 5 12 2
+f 3 11 9
+f 1 3 8
+f 8 10 1
+f 7 2 10
+f 10 8 7
+f 3 9 8
+f 7 8 9
+f 5 2 4
+f 2 7 4
+f 7 9 4
+f 4 9 11
+f 5 4 11 \ No newline at end of file
diff --git a/share/extensions/Poly3DObjects/methane.obj b/share/extensions/Poly3DObjects/methane.obj
new file mode 100644
index 000000000..2a89979ab
--- /dev/null
+++ b/share/extensions/Poly3DObjects/methane.obj
@@ -0,0 +1,13 @@
+#Name:Methane Molecule
+#Type:edge_specified
+
+v 0 0 0
+v 0 0 0.61237244
+v -0.28867513 -0.50000000 -0.20412415
+v -0.28867513 0.50000000 -0.20412415
+v 0.57735027 0 -0.20412415
+
+l 1 2
+l 1 3
+l 1 4
+l 1 5
diff --git a/share/extensions/Poly3DObjects/oct.obj b/share/extensions/Poly3DObjects/oct.obj
new file mode 100644
index 000000000..3f98f6840
--- /dev/null
+++ b/share/extensions/Poly3DObjects/oct.obj
@@ -0,0 +1,17 @@
+#Name:Octahedron
+#Type:face_specified
+v -0.5 -0.5 0
+v -0.5 0.5 0
+v 0 0 -0.70710678
+v 0 0 0.70710678
+v 0.5 -0.5 0
+v 0.5 0.5 0
+
+f 4 5 6
+f 4 6 2
+f 4 2 1
+f 4 1 5
+f 5 1 3
+f 5 3 6
+f 3 1 2
+f 6 3 2
diff --git a/share/extensions/Poly3DObjects/rh_axes.obj b/share/extensions/Poly3DObjects/rh_axes.obj
new file mode 100644
index 000000000..23042c170
--- /dev/null
+++ b/share/extensions/Poly3DObjects/rh_axes.obj
@@ -0,0 +1,12 @@
+#Name:Right Handed Coordinate Axes
+#Type:Edge_specified
+
+v 0 0 0
+v 1 0 0
+v 0 1 0
+v 0 0 1
+
+l 1 2
+l 1 3
+l 1 4
+
diff --git a/share/extensions/Poly3DObjects/rhomb_dodec.obj b/share/extensions/Poly3DObjects/rhomb_dodec.obj
new file mode 100644
index 000000000..353c6e6c0
--- /dev/null
+++ b/share/extensions/Poly3DObjects/rhomb_dodec.obj
@@ -0,0 +1,29 @@
+#Name:Rhombic Dodecahedron
+#Type:face_specified
+v -0.816497 -0.816497 0.
+v -0.816497 0. -0.57735
+v -0.816497 0. 0.57735
+v -0.816497 0.816497 0.
+v 0. -0.816497 -0.57735
+v 0. -0.816497 0.57735
+v 0. 0. -1.1547
+v 0. 0. 1.1547
+v 0. 0.816497 -0.57735
+v 0. 0.816497 0.57735
+v 0.816497 -0.816497 0.
+v 0.816497 0. -0.57735
+v 0.816497 0. 0.57735
+v 0.816497 0.816497 0.
+
+f 2 1 3 4
+f 1 2 7 5
+f 6 8 3 1
+f 2 4 9 7
+f 8 10 4 3
+f 11 6 1 5
+f 9 4 10 14
+f 5 7 12 11
+f 11 13 8 6
+f 7 9 14 12
+f 13 14 10 8
+f 14 13 11 12 \ No newline at end of file
diff --git a/share/extensions/Poly3DObjects/rhomb_triacont.obj b/share/extensions/Poly3DObjects/rhomb_triacont.obj
new file mode 100644
index 000000000..9fd85d07f
--- /dev/null
+++ b/share/extensions/Poly3DObjects/rhomb_triacont.obj
@@ -0,0 +1,65 @@
+#Name:Rhombic Triacontahedron
+#Type:face_specified
+v 0. 0. -1.61803
+v 0. 0. 1.61803
+v 0.276393 -0.850651 1.17082
+v 0.276393 0.850651 1.17082
+v 0.894427 0. 1.17082
+v 1.17082 -0.850651 0.723607
+v 1.17082 -0.850651 -0.276393
+v 1.17082 0.850651 0.723607
+v 1.17082 0.850651 -0.276393
+v -0.894427 0. -1.17082
+v -0.447214 -1.37638 0.723607
+v -0.447214 -1.37638 -0.276393
+v -0.447214 1.37638 0.723607
+v -0.447214 1.37638 -0.276393
+v 0.447214 -1.37638 0.276393
+v 0.447214 -1.37638 -0.723607
+v 0.447214 1.37638 0.276393
+v 0.447214 1.37638 -0.723607
+v -1.44721 0. 0.723607
+v -1.44721 0. -0.276393
+v -0.723607 -0.525731 1.17082
+v -0.723607 0.525731 1.17082
+v 0.723607 -0.525731 -1.17082
+v 0.723607 0.525731 -1.17082
+v 1.44721 0. 0.276393
+v 1.44721 0. -0.723607
+v -1.17082 -0.850651 0.276393
+v -1.17082 -0.850651 -0.723607
+v -1.17082 0.850651 0.276393
+v -1.17082 0.850651 -0.723607
+v -0.276393 -0.850651 -1.17082
+v -0.276393 0.850651 -1.17082
+
+f 16 15 11 12
+f 14 13 17 18
+f 10 28 20 30
+f 8 5 6 25
+f 12 28 31 16
+f 32 30 14 18
+f 6 3 11 15
+f 8 17 13 4
+f 11 21 19 27
+f 13 29 19 22
+f 7 16 23 26
+f 24 18 9 26
+f 12 11 27 28
+f 30 29 13 14
+f 7 6 15 16
+f 18 17 8 9
+f 2 22 19 21
+f 23 1 24 26
+f 3 2 21 11
+f 4 13 22 2
+f 16 31 1 23
+f 1 32 18 24
+f 31 28 10 1
+f 10 30 32 1
+f 6 5 2 3
+f 8 4 2 5
+f 28 27 19 20
+f 20 19 29 30
+f 26 25 6 7
+f 9 8 25 26
diff --git a/share/extensions/Poly3DObjects/small_rhombicosidodec.obj b/share/extensions/Poly3DObjects/small_rhombicosidodec.obj
new file mode 100644
index 000000000..94cb91ce7
--- /dev/null
+++ b/share/extensions/Poly3DObjects/small_rhombicosidodec.obj
@@ -0,0 +1,127 @@
+#Name:Small Rhombicosidodecahedron
+#Type:face_specified
+
+v -0.5 -0.5 -2.11803
+v -0.5 -0.5 2.11803
+v -0.5 0.5 -2.11803
+v -0.5 0.5 2.11803
+v -0.5 -2.11803 -0.5
+v -0.5 -2.11803 0.5
+v -0.5 2.11803 -0.5
+v -0.5 2.11803 0.5
+v 0. -1.30902 -1.80902
+v 0. -1.30902 1.80902
+v 0. 1.30902 -1.80902
+v 0. 1.30902 1.80902
+v 0.5 -0.5 -2.11803
+v 0.5 -0.5 2.11803
+v 0.5 0.5 -2.11803
+v 0.5 0.5 2.11803
+v 0.5 -2.11803 -0.5
+v 0.5 -2.11803 0.5
+v 0.5 2.11803 -0.5
+v 0.5 2.11803 0.5
+v -1.80902 0. -1.30902
+v -1.80902 0. 1.30902
+v -0.809017 -1.61803 -1.30902
+v -0.809017 -1.61803 1.30902
+v -0.809017 1.61803 -1.30902
+v -0.809017 1.61803 1.30902
+v -1.61803 -1.30902 -0.809017
+v -1.61803 -1.30902 0.809017
+v -1.61803 1.30902 -0.809017
+v -1.61803 1.30902 0.809017
+v -2.11803 -0.5 -0.5
+v -2.11803 -0.5 0.5
+v -2.11803 0.5 -0.5
+v -2.11803 0.5 0.5
+v -1.30902 -1.80902 0.
+v -1.30902 -0.809017 -1.61803
+v -1.30902 -0.809017 1.61803
+v -1.30902 0.809017 -1.61803
+v -1.30902 0.809017 1.61803
+v -1.30902 1.80902 0.
+v 0.809017 -1.61803 -1.30902
+v 0.809017 -1.61803 1.30902
+v 0.809017 1.61803 -1.30902
+v 0.809017 1.61803 1.30902
+v 1.61803 -1.30902 -0.809017
+v 1.61803 -1.30902 0.809017
+v 1.61803 1.30902 -0.809017
+v 1.61803 1.30902 0.809017
+v 2.11803 -0.5 -0.5
+v 2.11803 -0.5 0.5
+v 2.11803 0.5 -0.5
+v 2.11803 0.5 0.5
+v 1.30902 -1.80902 0.
+v 1.30902 -0.809017 -1.61803
+v 1.30902 -0.809017 1.61803
+v 1.30902 0.809017 -1.61803
+v 1.30902 0.809017 1.61803
+v 1.30902 1.80902 0.
+v 1.80902 0. -1.30902
+v 1.80902 0. 1.30902
+
+f 36 23 27
+f 37 28 24
+f 40 8 7
+f 35 5 6
+f 38 29 25
+f 39 26 30
+f 10 14 2
+f 9 1 13
+f 12 4 16
+f 11 15 3
+f 54 45 41
+f 55 42 46
+f 58 19 20
+f 53 18 17
+f 56 43 47
+f 57 48 44
+f 34 32 22
+f 33 21 31
+f 59 51 49
+f 60 50 52
+f 27 31 21 36
+f 23 36 1 9
+f 10 2 37 24
+f 37 22 32 28
+f 8 40 30 26
+f 25 29 40 7
+f 35 27 23 5
+f 6 24 28 35
+f 3 38 25 11
+f 21 33 29 38
+f 39 30 34 22
+f 12 26 39 4
+f 55 14 10 42
+f 41 9 13 54
+f 57 44 12 16
+f 15 11 43 56
+f 45 54 59 49
+f 50 60 55 46
+f 48 58 20 44
+f 43 19 58 47
+f 53 17 41 45
+f 46 42 18 53
+f 59 56 47 51
+f 52 48 57 60
+f 31 32 34 33
+f 17 18 6 5
+f 1 3 15 13
+f 14 16 4 2
+f 7 8 20 19
+f 51 52 50 49
+f 3 1 36 21 38
+f 22 37 2 4 39
+f 29 33 34 30 40
+f 27 35 28 32 31
+f 42 10 24 6 18
+f 41 17 5 23 9
+f 20 8 26 12 44
+f 11 25 7 19 43
+f 56 59 54 13 15
+f 57 16 14 55 60
+f 58 48 52 51 47
+f 49 50 46 53 45
+
diff --git a/share/extensions/Poly3DObjects/small_rhombicuboct.obj b/share/extensions/Poly3DObjects/small_rhombicuboct.obj
new file mode 100644
index 000000000..24da8f4a3
--- /dev/null
+++ b/share/extensions/Poly3DObjects/small_rhombicuboct.obj
@@ -0,0 +1,54 @@
+#Name:Small Rhombicuboctahedron
+#Type:face_specified
+
+v -0.5 -0.5 -1.20711
+v -0.5 -0.5 1.20711
+v -0.5 0.5 -1.20711
+v -0.5 0.5 1.20711
+v -0.5 -1.20711 -0.5
+v -0.5 -1.20711 0.5
+v -0.5 1.20711 -0.5
+v -0.5 1.20711 0.5
+v 0.5 -0.5 -1.20711
+v 0.5 -0.5 1.20711
+v 0.5 0.5 -1.20711
+v 0.5 0.5 1.20711
+v 0.5 -1.20711 -0.5
+v 0.5 -1.20711 0.5
+v 0.5 1.20711 -0.5
+v 0.5 1.20711 0.5
+v -1.20711 -0.5 -0.5
+v -1.20711 -0.5 0.5
+v -1.20711 0.5 -0.5
+v -1.20711 0.5 0.5
+v 1.20711 -0.5 -0.5
+v 1.20711 -0.5 0.5
+v 1.20711 0.5 -0.5
+v 1.20711 0.5 0.5
+
+f 3 11 9 1
+f 2 10 12 4
+f 24 22 21 23
+f 19 17 18 20
+f 5 13 14 6
+f 8 16 15 7
+f 13 21 22 14
+f 16 24 23 15
+f 6 18 17 5
+f 7 19 20 8
+f 6 14 10 2
+f 4 12 16 8
+f 22 24 12 10
+f 2 4 20 18
+f 1 9 13 5
+f 7 15 11 3
+f 9 11 23 21
+f 17 19 3 1
+f 22 10 14
+f 16 12 24
+f 6 2 18
+f 20 4 8
+f 13 9 21
+f 23 11 15
+f 17 1 5
+f 7 3 19
diff --git a/share/extensions/Poly3DObjects/small_triam_icos.obj b/share/extensions/Poly3DObjects/small_triam_icos.obj
new file mode 100644
index 000000000..d7094cc8e
--- /dev/null
+++ b/share/extensions/Poly3DObjects/small_triam_icos.obj
@@ -0,0 +1,95 @@
+#Name:Small Triambic Icosahedron
+#Type:face_specified
+v 0. 0. -0.951057
+v 0. 0. 0.951057
+v 0.262866 -0.809017 0.425325
+v 0.262866 0.809017 0.425325
+v 0.688191 -0.5 -0.425325
+v 0.688191 0.5 -0.425325
+v 0.995959 0. -0.190211
+v -0.688191 -0.5 0.425325
+v -0.688191 0.5 0.425325
+v -0.49798 -0.361803 -0.805748
+v -0.49798 0.361803 -0.805748
+v 0.49798 -0.361803 0.805748
+v 0.49798 0.361803 0.805748
+v 0.190211 -0.58541 -0.805748
+v 0.190211 0.58541 -0.805748
+v 0.850651 0. 0.425325
+v -0.190211 -0.58541 0.805748
+v -0.190211 0.58541 0.805748
+v -0.615537 0. 0.805748
+v -0.307768 -0.947214 0.190211
+v -0.307768 0.947214 0.190211
+v 0.307768 -0.947214 -0.190211
+v 0.307768 0.947214 -0.190211
+v 0.615537 0. -0.805748
+v 0.805748 -0.58541 0.190211
+v 0.805748 0.58541 0.190211
+v -0.850651 0. -0.425325
+v -0.262866 -0.809017 -0.425325
+v -0.262866 0.809017 -0.425325
+v -0.995959 0. 0.190211
+v -0.805748 -0.58541 -0.190211
+v -0.805748 0.58541 -0.190211
+
+f 18 2 4
+f 18 4 9
+f 18 9 2
+f 19 2 9
+f 19 9 8
+f 19 8 2
+f 17 2 8
+f 17 8 3
+f 17 3 2
+f 12 2 3
+f 12 3 16
+f 12 16 2
+f 13 2 16
+f 13 16 4
+f 13 4 2
+f 14 5 28
+f 14 28 1
+f 14 1 5
+f 24 6 5
+f 24 5 1
+f 24 1 6
+f 15 29 6
+f 15 6 1
+f 15 1 29
+f 11 27 29
+f 11 29 1
+f 11 1 27
+f 10 28 27
+f 10 27 1
+f 10 1 28
+f 21 4 29
+f 21 29 9
+f 21 9 4
+f 30 9 27
+f 30 27 8
+f 30 8 9
+f 20 8 28
+f 20 28 3
+f 20 3 8
+f 25 3 5
+f 25 5 16
+f 25 16 3
+f 26 16 6
+f 26 6 4
+f 26 4 16
+f 22 5 3
+f 22 3 28
+f 22 28 5
+f 7 6 16
+f 7 16 5
+f 7 5 6
+f 23 29 4
+f 23 4 6
+f 23 6 29
+f 32 27 9
+f 32 9 29
+f 32 29 27
+f 31 28 8
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diff --git a/share/extensions/Poly3DObjects/snub_cube.obj b/share/extensions/Poly3DObjects/snub_cube.obj
new file mode 100644
index 000000000..d144c7e36
--- /dev/null
+++ b/share/extensions/Poly3DObjects/snub_cube.obj
@@ -0,0 +1,65 @@
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diff --git a/share/extensions/Poly3DObjects/snub_dodec.obj b/share/extensions/Poly3DObjects/snub_dodec.obj
new file mode 100644
index 000000000..8dfbda342
--- /dev/null
+++ b/share/extensions/Poly3DObjects/snub_dodec.obj
@@ -0,0 +1,156 @@
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diff --git a/share/extensions/Poly3DObjects/szilassi.obj b/share/extensions/Poly3DObjects/szilassi.obj
new file mode 100644
index 000000000..00639b85b
--- /dev/null
+++ b/share/extensions/Poly3DObjects/szilassi.obj
@@ -0,0 +1,24 @@
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+#Type:face_specified
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diff --git a/share/extensions/Poly3DObjects/tet.obj b/share/extensions/Poly3DObjects/tet.obj
new file mode 100644
index 000000000..75d90ff96
--- /dev/null
+++ b/share/extensions/Poly3DObjects/tet.obj
@@ -0,0 +1,12 @@
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+#Type:face_specified
+
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diff --git a/share/extensions/Poly3DObjects/trunc_cube.obj b/share/extensions/Poly3DObjects/trunc_cube.obj
new file mode 100644
index 000000000..59ce6d07e
--- /dev/null
+++ b/share/extensions/Poly3DObjects/trunc_cube.obj
@@ -0,0 +1,42 @@
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diff --git a/share/extensions/Poly3DObjects/trunc_dodec.obj b/share/extensions/Poly3DObjects/trunc_dodec.obj
new file mode 100644
index 000000000..1e21c798e
--- /dev/null
+++ b/share/extensions/Poly3DObjects/trunc_dodec.obj
@@ -0,0 +1,96 @@
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diff --git a/share/extensions/Poly3DObjects/trunc_icos.obj b/share/extensions/Poly3DObjects/trunc_icos.obj
new file mode 100644
index 000000000..f325bef3b
--- /dev/null
+++ b/share/extensions/Poly3DObjects/trunc_icos.obj
@@ -0,0 +1,96 @@
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+#Type:Face_specified
+
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diff --git a/share/extensions/Poly3DObjects/trunc_oct.obj b/share/extensions/Poly3DObjects/trunc_oct.obj
new file mode 100644
index 000000000..e7b0df593
--- /dev/null
+++ b/share/extensions/Poly3DObjects/trunc_oct.obj
@@ -0,0 +1,42 @@
+#Name:Truncated Octahedron
+#Type:face_specified
+
+v -1.5 -0.5 0
+v -1.5 0.5 0
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+
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+f 9 11 6 2 1 4
+f 3 1 2 5 10 8 \ No newline at end of file
diff --git a/share/extensions/Poly3DObjects/trunc_tet.obj b/share/extensions/Poly3DObjects/trunc_tet.obj
new file mode 100644
index 000000000..eaa9233ad
--- /dev/null
+++ b/share/extensions/Poly3DObjects/trunc_tet.obj
@@ -0,0 +1,24 @@
+#Name:Truncated Tetrahedron
+#Type:face_specified
+
+v 0 -1. -0.61237244
+v 0 1. -0.61237244
+v -0.57735027 -1. 0.20412415
+v -0.57735027 1. 0.20412415
+v -0.28867513 -0.5 1.0206207
+v -0.28867513 0.5 1.0206207
+v 0.57735027 0 1.0206207
+v 1.1547005 0 0.20412415
+v -0.86602540 -0.5 -0.61237244
+v -0.86602540 0.5 -0.61237244
+v 0.86602540 -0.5 -0.61237244
+v 0.86602540 0.5 -0.61237244
+
+f 11 12 8
+f 3 9 1
+f 2 10 4
+f 6 5 7
+f 11 8 7 5 3 1
+f 2 4 6 7 8 12
+f 9 3 5 6 4 10
+f 2 12 11 1 9 10 \ No newline at end of file
diff --git a/share/extensions/polyhedron_3d.inx b/share/extensions/polyhedron_3d.inx
new file mode 100644
index 000000000..e09311c06
--- /dev/null
+++ b/share/extensions/polyhedron_3d.inx
@@ -0,0 +1,96 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
+ <_name>3D Polyhedron</_name>
+ <id>math.polyhedron.3d</id>
+ <dependency type="executable" location="extensions">polyhedron_3d.py</dependency>
+ <dependency type="executable" location="extensions">inkex.py</dependency>
+ <param name="tab" type="notebook">
+ <page name="common" _gui-text="Common Objects">
+ <param name="obj" type="optiongroup" _gui-text="Object:">
+ <_option value="cube">Cube</_option>
+ <_option value="t_cube">Truncated Cube</_option>
+ <_option value="sn_cube">Snub Cube</_option>
+ <_option value="cuboct">Cuboctohedron</_option>
+ <_option value="tet">Tetrahedron</_option>
+ <_option value="t_tet">Truncated Tetrahedron</_option>
+ <_option value="oct">Octahedron</_option>
+ <_option value="t_oct">Truncated Octahedron</_option>
+ <_option value="icos">Icosahedron</_option>
+ <_option value="t_icos">Truncated Icosahedron</_option>
+ <_option value="s_t_icos">Small Triambic Icosahedron</_option>
+ <_option value="dodec">Dodecahedron</_option>
+ <_option value="t_dodec">Truncated Dodecahedron</_option>
+ <_option value="sn_dodec">Snub Dodecahedron</_option>
+ <_option value="g_dodec">Great Dodecahedron</_option>
+ <_option value="g_s_dodec">Great Stellated Dodecahedron</_option>
+ <_option value="from_file">Load From File</_option>
+ </param>
+ <param name="spec_file" type="string" _gui-text="Filename:">great_rhombicuboct.obj</param>
+ <param name="cw_wound" type="boolean" _gui-text="Clockwise Wound Object">0</param>
+ </page>
+ <page name="view" _gui-text="View">
+ <param name="r1_ax" type="optiongroup" _gui-text="Rotate Around:">
+ <_option value="x">X-Axis</_option>
+ <_option value="y">Y-Axis</_option>
+ <_option value="z">Z-Axis</_option></param>
+ <param name="r1_ang" type="float" min="-360" max="360" _gui-text="Rotation / Degrees">0</param>
+ <param name="r2_ax" type="optiongroup" _gui-text="Then Rotate Around:">
+ <_option value="x">X-Axis</_option>
+ <_option value="y">Y-Axis</_option>
+ <_option value="z">Z-Axis</_option></param>
+ <param name="r2_ang" type="float" min="-360" max="360" _gui-text="Rotation / Degrees">0</param>
+ <param name="r3_ax" type="optiongroup" _gui-text="Then Rotate Around:">
+ <_option value="x">X-Axis</_option>
+ <_option value="y">Y-Axis</_option>
+ <_option value="z">Z-Axis</_option></param>
+ <param name="r3_ang" type="float" min="-360" max="360" _gui-text="Rotation / Degrees">0</param>
+ <param name="r4_ax" type="optiongroup" _gui-text="Rotate Around:">
+ <_option value="x">X-Axis</_option>
+ <_option value="y">Y-Axis</_option>
+ <_option value="z">Z-Axis</_option></param>
+ <param name="r4_ang" type="float" min="-360" max="360" _gui-text="Rotation / Degrees">0</param>
+ <param name="r5_ax" type="optiongroup" _gui-text="Then Rotate Around:">
+ <_option value="x">X-Axis</_option>
+ <_option value="y">Y-Axis</_option>
+ <_option value="z">Z-Axis</_option></param>
+ <param name="r5_ang" type="float" min="-360" max="360" _gui-text="Rotation / Degrees">0</param>
+ <param name="r6_ax" type="optiongroup" _gui-text="Then Rotate Around:">
+ <_option value="x">X-Axis</_option>
+ <_option value="y">Y-Axis</_option>
+ <_option value="z">Z-Axis</_option></param>
+ <param name="r6_ang" type="float" min="-360" max="360" _gui-text="Rotation / Degrees">0</param>
+ </page>
+ <page name="style" _gui-text="Style">
+ <param name="scl" type="float" min="0" max="10000" _gui-text="Scaling Factor">100</param>
+ <param name="f_r" type="int" min="0" max="255" _gui-text="Fill Colour (Red)">255</param>
+ <param name="f_g" type="int" min="0" max="255" _gui-text="Fill Colour (Green)">0</param>
+ <param name="f_b" type="int" min="0" max="255" _gui-text="Fill Colour (Blue)">0</param>
+ <param name="f_opac" type="int" min="0" max="100" _gui-text="Fill Opacity/ %">100</param>
+ <param name="s_opac" type="int" min="0" max="100" _gui-text="Stroke Opacity/ %">100</param>
+ <param name="th" type="float" min="0" max="100" _gui-text="Line Thickness / px">2</param>
+ <param name="shade" type="boolean" _gui-text="Shading">0</param>
+ <param name="lv_x" type="float" min="-100" max="100" _gui-text="Light x-Position">1</param>
+ <param name="lv_y" type="float" min="-100" max="100" _gui-text="Light y-Position">1</param>
+ <param name="lv_z" type="float" min="-100" max="100" _gui-text="Light z-Position">-2</param>
+ <param name="show" type="optiongroup" _gui-text="Show:">
+ <_option value="vtx">Vertices</_option>
+ <_option value="edg">Edges</_option>
+ <_option value="fce">Faces</_option></param>
+ <param name="back" type="boolean" _gui-text="Draw Back-Facing Polygons">0</param>
+ <param name="z_sort" type="optiongroup" _gui-text="Z-Sort Faces By:">
+ <_option value="max">Maximum</_option>
+ <_option value="min">Minimum</_option>
+ <_option value="mean">Mean</_option></param>
+ <param name="norm" type="boolean" _gui-text="Report Normal Vector Information">0</param>
+ </page>
+ </param>
+ <effect>
+ <object-type>all</object-type>
+ <effects-menu>
+ <submenu _name="Render"/>
+ </effects-menu>
+ </effect>
+ <script>
+ <command reldir="extensions" interpreter="python">polyhedron_3d.py</command>
+ </script>
+</inkscape-extension> \ No newline at end of file
diff --git a/share/extensions/polyhedron_3d.py b/share/extensions/polyhedron_3d.py
new file mode 100644
index 000000000..2b5698e74
--- /dev/null
+++ b/share/extensions/polyhedron_3d.py
@@ -0,0 +1,492 @@
+#!/usr/bin/env python
+'''
+Copyright (C) 2007 John Beard john.j.beard@gmail.com
+
+##This extension draws 3d objects from an .obj file stored in a local folder
+##Many settings for appearance, lighting, rotation, etc are available.
+
+# ^y
+# |
+# __--``| |_--``| __--
+# __--`` | __--``| |_--``
+# | z | | |_--``|
+# | <----|--------|-----_0-----|----------------
+# | | |_--`` | |
+# | __--`` <-``| |_--``
+# |__--`` x |__--``|
+# IMAGE PLANE SCENE|
+# |
+
+#The .obj file must contain "#Name:" followed by a name,
+#and "#Type:" follwed by "edge_specified" or "face-specified"
+#if edge_specified is given, then faces cannot be drawn,
+#if face_specified is given then faces and edges can be drawn
+
+#Vertices are given as "v" followed by three numbers (x,y,z).
+#All files need a vertex list
+#v x.xxx y.yyy z.zzz
+
+#Faces are given by a list of vertices
+#(vertex 1 is the first in the list above, 2 the second, etc):
+#f 1 2 3
+
+#Edges are given by a list of vertices. These will be broken down
+#into adjacent pairs. Each edge can connect only two vertices
+#l 1 2 3
+
+#Faces are rendered according to the painter's algorithm and perhaps
+#back-face culling, if selected. The parameter to sort the faces by
+#is user-selectable
+
+######LICENCE#######
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+'''
+
+import inkex
+import simplestyle, sys, simplepath, re
+from math import *
+try:
+ from numpy import *
+except:
+ inkex.debug("Failed to import the numpy module. This module is required by this extension. Please install them and try again. On a Debian-like system this can be done with the command, sudo apt-get install python-numpy.")
+ sys.exit()
+
+def mydir():
+ import os.path
+ if __name__ == '__main__':
+ filename = sys.argv[0]
+ else:
+ filename = __file__
+ return os.path.abspath(os.path.dirname(filename))
+
+def get_obj_data(obj, name):
+ infile = open(mydir() +'\\Poly3DObjects\\'+name)
+
+ #regular expressions
+ getname = '(.[nN]ame:\\s*)(.*)'
+ gettype = '(.[tT]ype:\\s*)([Ff]ace|[Ee]dge)(.specified)'
+ getvertex = '(v\\s+)([\-\\d*\.]*)\\s+([\-\\d*\.]*)\\s+([\-\\d*\.]*)'
+ getedgeline = '(l\\s+)(.*)'
+ getfaceline = '(f\\s+)(.*)'
+ getnextint = '\\s*(\\d+)(.*)'
+
+ obj.vtx = []
+ obj.edg = []
+ obj.fce = []
+ obj.type=''
+ obj.name=''
+
+ for line in infile:
+ if line[0]=='#': #we have a comment line
+ m = re.search(getname, line)
+ if m:
+ obj.name = m.group(2)
+ m = re.search(gettype, line)
+ if m:
+ typestr = m.group(2).lower()
+ obj.type=typestr
+ elif line[0:1] == 'v': #we have a vertex (maybe)
+ m = re.search(getvertex, line)
+ if m: #we have a valid vertex
+ obj.vtx.append( [float(m.group(2)), float(m.group(3)), float(m.group(4)) ] )
+ elif line[0:1] == 'l':#we have a line (maybe)
+ m = re.search(getedgeline, line)
+ if m:#we have a line beginning 'l '
+ vtxlist = []#buffer
+ while line:
+ m2 = re.search(getnextint, line)
+ if m2:
+ vtxlist.append( int(m2.group(1)) )
+ line = m2.group(2)#remainder
+ else:
+ line = None
+ if len(vtxlist) > 1:#we need at least 2 vertices to make an edge
+ for i in range (len(vtxlist)-1):#we can have more than one vertex per line - get adjacent pairs
+ obj.edg.append( ( vtxlist[i], vtxlist[i+1] ) )#get the vertex pair between that vertex and the next
+ elif line[0:1] == 'f':#we have a face (maybe)
+ m = re.search(getfaceline, line)
+ if m:#we have a line beginning 'l '
+ vtxlist = []#buffer
+ while line:
+ m2 = re.search(getnextint, line)
+ if m2:
+ vtxlist.append( int(m2.group(1)) )
+ line = m2.group(2)#remainder
+ else:
+ line = None
+ if len(vtxlist) > 2:#we need at least 3 vertices to make an edge
+ obj.fce.append(vtxlist)
+
+def draw_SVG_dot((cx, cy), st, name, parent):
+ style = { 'stroke': '#000000', 'stroke-width':str(st.th), 'fill': st.fill, 'stroke-opacity':st.s_opac, 'fill-opacity':st.f_opac}
+ circ_attribs = {'style':simplestyle.formatStyle(style),
+ 'inkscape:label':name,
+ 'r':str(st.r),
+ 'cx':str(cx), 'cy':str(-cy)}
+ inkex.etree.SubElement(parent, inkex.addNS('circle','svg'), circ_attribs )
+
+def draw_SVG_line((x1, y1),(x2, y2), st, name, parent):
+ #sys.stderr.write(str(p1))
+ style = { 'stroke': '#000000', 'stroke-width':str(st.th)}
+ line_attribs = {'style':simplestyle.formatStyle(style),
+ 'inkscape:label':name,
+ 'd':'M '+str(x1)+','+str(-y1)+' L '+str(x2)+','+str(-y2)}
+ inkex.etree.SubElement(parent, inkex.addNS('path','svg'), line_attribs )
+
+def draw_SVG_poly(pts, face, st, name, parent):
+ style = { 'stroke': '#000000', 'stroke-width':str(st.th), 'stroke-linejoin':st.linejoin, \
+ 'stroke-opacity':st.s_opac, 'fill': st.fill, 'fill-opacity':st.f_opac}
+ for i in range(len(face)):
+ if i == 0:#for first point
+ d = 'M'#move to
+ else:
+ d = d + 'L'#line to
+ d = d+ str(pts[face[i]-1][0]) + ',' + str(-pts[face[i]-1][1])#add point
+ d = d + 'z' #close the polygon
+
+ line_attribs = {'style':simplestyle.formatStyle(style),
+ 'inkscape:label':name,'d': d}
+ inkex.etree.SubElement(parent, inkex.addNS('path','svg'), line_attribs )
+
+def get_normal( pts, face): #returns the normal vector for the plane passing though the first three elements of face of pts
+ #n = pt[0]->pt[1] x pt[0]->pt[3]
+ a = (array(pts[ face[0]-1 ]) - array(pts[ face[1]-1 ]))
+ b = (array(pts[ face[0]-1 ]) - array(pts[ face[2]-1 ]))
+ return cross(a,b).flatten()
+
+def get_max_z(pts, face): #returns the largest z_value of any point in the face
+ max_z = pts[ face[0]-1 ][2]
+ for i in range(1, len(face)):
+ if pts[ face[0]-1 ][2] >= max_z:
+ max_z = pts[ face[0]-1 ][2]
+ return max_z
+
+def get_min_z(pts, face): #returns the smallest z_value of any point in the face
+ min_z = pts[ face[0]-1 ][2]
+ for i in range(1, len(face)):
+ if pts[ face[i]-1 ][2] <= min_z:
+ min_z = pts[ face[i]-1 ][2]
+ return min_z
+
+def get_cent_z(pts, face): #returns the centroid z_value of any point in the face
+ sum = 0
+ for i in range(len(face)):
+ sum += pts[ face[i]-1 ][2]
+ return sum/len(face)
+
+def length(vector):#return the pythagorean length of a vector
+ return sqrt(dot(vector,vector))
+
+def rot_z( matrix , a):
+ trans_mat = mat(array( [[ cos(a) , -sin(a) , 0 ],
+ [ sin(a) , cos(a) , 0 ],
+ [ 0 , 0 , 1 ]]))
+ return trans_mat*matrix
+
+def rot_y( matrix , a):
+ trans_mat = mat(array( [[ cos(a) , 0 , sin(a) ],
+ [ 0 , 1 , 0 ],
+ [-sin(a) , 0 , cos(a) ]]))
+ return trans_mat*matrix
+
+def rot_x( matrix , a):
+ trans_mat = mat(array( [[ 1 , 0 , 0 ],
+ [ 0 , cos(a) ,-sin(a) ],
+ [ 0 , sin(a) , cos(a) ]]))
+ return trans_mat*matrix
+
+def make_edge_list(face_list):#make an edge vertex list from an existing face vertex list
+ edge_list = []
+ for i in range(len(face_list)):#for every face
+ edges = len(face_list[i]) #number of edges around that face
+ for j in range(edges):#for every vertex in that face
+ edge_list.append( [face_list[i][j], face_list[i][(j+1)%edges] ] )#get the vertex pair between that vertex and the next
+
+ for i in range(len(edge_list)):
+ edge_list[i].sort()#sort the entries of the entries
+ edge_list.sort()#sort the list
+
+ last = edge_list[-1] #delete duplicate entries
+ for i in range(len(edge_list)-2, -1, -1):
+ if last==edge_list[i]:
+ del edge_list[i]
+ else:
+ last=edge_list[i]
+ return edge_list
+
+class Style(object): #container for style information
+ def __init__(self):
+ None
+
+class Obj(object): #a 3d object defined by the vertices and the faces (eg a polyhedron)
+#edges can be generated from this information
+ def __init__(self):
+ None
+
+class Draw_From_Triangle(inkex.Effect):
+ def __init__(self):
+ inkex.Effect.__init__(self)
+ self.OptionParser.add_option("--tab",
+ action="store", type="string",
+ dest="tab", default="object")
+
+ self.OptionParser.add_option("--obj",
+ action="store", type="string",
+ dest="obj", default='cube')
+ self.OptionParser.add_option("--spec_file",
+ action="store", type="string",
+ dest="spec_file", default='great_rhombicuboct.obj')
+ self.OptionParser.add_option("--cw_wound",
+ action="store", type="inkbool",
+ dest="cw_wound", default='true')
+#VEIW SETTINGS
+ self.OptionParser.add_option("--r1_ax",
+ action="store", type="string",
+ dest="r1_ax", default=0)
+ self.OptionParser.add_option("--r2_ax",
+ action="store", type="string",
+ dest="r2_ax", default=0)
+ self.OptionParser.add_option("--r3_ax",
+ action="store", type="string",
+ dest="r3_ax", default=0)
+ self.OptionParser.add_option("--r4_ax",
+ action="store", type="string",
+ dest="r4_ax", default=0)
+ self.OptionParser.add_option("--r5_ax",
+ action="store", type="string",
+ dest="r5_ax", default=0)
+ self.OptionParser.add_option("--r6_ax",
+ action="store", type="string",
+ dest="r6_ax", default=0)
+ self.OptionParser.add_option("--r1_ang",
+ action="store", type="float",
+ dest="r1_ang", default=0)
+ self.OptionParser.add_option("--r2_ang",
+ action="store", type="float",
+ dest="r2_ang", default=0)
+ self.OptionParser.add_option("--r3_ang",
+ action="store", type="float",
+ dest="r3_ang", default=0)
+ self.OptionParser.add_option("--r4_ang",
+ action="store", type="float",
+ dest="r4_ang", default=0)
+ self.OptionParser.add_option("--r5_ang",
+ action="store", type="float",
+ dest="r5_ang", default=0)
+ self.OptionParser.add_option("--r6_ang",
+ action="store", type="float",
+ dest="r6_ang", default=0)
+ self.OptionParser.add_option("--scl",
+ action="store", type="float",
+ dest="scl", default=100.0)
+#STYLE SETTINGS
+ self.OptionParser.add_option("--show",
+ action="store", type="string",
+ dest="show", default='faces')
+ self.OptionParser.add_option("--shade",
+ action="store", type="inkbool",
+ dest="shade", default='true')
+ self.OptionParser.add_option("--f_r",
+ action="store", type="int",
+ dest="f_r", default=255)
+ self.OptionParser.add_option("--f_g",
+ action="store", type="int",
+ dest="f_g", default=0)
+ self.OptionParser.add_option("--f_b",
+ action="store", type="int",
+ dest="f_b", default=0)
+ self.OptionParser.add_option("--f_opac",
+ action="store", type="int",
+ dest="f_opac", default=100)
+ self.OptionParser.add_option("--s_opac",
+ action="store", type="int",
+ dest="s_opac", default=100)
+ self.OptionParser.add_option("--th",
+ action="store", type="float",
+ dest="th", default=2)
+ self.OptionParser.add_option("--lv_x",
+ action="store", type="float",
+ dest="lv_x", default=1)
+ self.OptionParser.add_option("--lv_y",
+ action="store", type="float",
+ dest="lv_y", default=1)
+ self.OptionParser.add_option("--lv_z",
+ action="store", type="float",
+ dest="lv_z", default=-2)
+ self.OptionParser.add_option("--back",
+ action="store", type="inkbool",
+ dest="back", default='false')
+ self.OptionParser.add_option("--norm",
+ action="store", type="inkbool",
+ dest="norm", default='true')
+ self.OptionParser.add_option("--z_sort",
+ action="store", type="string",
+ dest="z_sort", default='min')
+
+
+ def effect(self):
+ so = self.options
+
+ st = Style()
+ st.th = so.th
+ st.fill= '#ff0000'
+ st.col = '#000000'
+ st.r = 2
+ st.f_opac = str(so.f_opac/100.0)
+ st.s_opac = str(so.s_opac/100.0)
+ st.linecap = 'round'
+ st.linejoin = 'round'
+
+ file = ''
+ obj = Obj() #create the object
+ if so.obj == 'cube':
+ file = 'cube.obj'
+ elif so.obj == 't_cube':
+ file = 'trunc_cube.obj'
+ elif so.obj == 'sn_cube':
+ file = 'snub_cube.obj'
+ elif so.obj == 'cuboct':
+ file = 'cuboct.obj'
+ elif so.obj == 'tet':
+ file = 'tet.obj'
+ elif so.obj == 't_tet':
+ file = 'trunc_tet.obj'
+ elif so.obj == 'oct':
+ file = 'oct.obj'
+ elif so.obj == 't_oct':
+ file = 'trunc_oct.obj'
+ elif so.obj == 'icos':
+ file = 'icos.obj'
+ elif so.obj == 't_icos':
+ file = 'trunc_icos.obj'
+ elif so.obj == 's_t_icos':
+ file = 'small_triam_icos.obj'
+ elif so.obj == 'g_s_dodec':
+ file = 'great_stel_dodec.obj'
+ elif so.obj == 'dodec':
+ file = 'dodec.obj'
+ elif so.obj == 'sn_dodec':
+ file = 'snub_dodec.obj'
+ elif so.obj == 'g_dodec':
+ file = 'great_dodec.obj'
+ elif so.obj == 't_dodec':
+ file = 'trunc_dodec.obj'
+ elif so.obj == 'from_file':
+ file = so.spec_file
+ get_obj_data(obj, file)
+
+ trans_mat = mat(identity(3, float)) #init. trans matrix as identity matrix
+
+ #perform rotations
+ for i in range(1, 7):#for each rotation
+ axis = eval('so.r'+str(i)+'_ax')
+ angle = eval('so.r'+str(i)+'_ang') *pi/180
+ if axis == 'x':
+ trans_mat = rot_x(trans_mat, angle)
+ elif axis == 'y':
+ trans_mat = rot_y(trans_mat, angle)
+ elif axis == 'z':
+ trans_mat = rot_z(trans_mat, angle)
+
+ # Embed points in group
+ #Put in in the centre of the current view
+ t = 'translate(' + str( self.view_center[0]) + ',' + str( self.view_center[1]) + ')'
+ #we will put all the rotations in the object name, so it can be repeated in future
+ proj_attribs = {inkex.addNS('label','inkscape'):obj.name+':'+so.r1_ax+str('%.2f'%so.r1_ang)+':'+
+ so.r2_ax+str('%.2f'%so.r2_ang)+':'+
+ so.r3_ax+str('%.2f'%so.r3_ang)+':'+
+ so.r1_ax+str('%.2f'%so.r4_ang)+':'+
+ so.r2_ax+str('%.2f'%so.r5_ang)+':'+
+ so.r3_ax+str('%.2f'%so.r6_ang),
+ 'transform':t }
+ proj = inkex.etree.SubElement(self.current_layer, 'g', proj_attribs)#the group to put everything in
+
+ vp_pts=[] #the points as projected in the z-axis onto the viewplane
+
+ for i in range(len(obj.vtx)):
+ vp_pts.append((so.scl* (trans_mat * mat(obj.vtx[i]).T)).T.tolist()[0] )#transform the points at add to vp_pts
+
+ lighting = [so.lv_x,-so.lv_y,so.lv_z] #direction of light vector
+ lighting = lighting/length(lighting) #normalise
+
+ if so.show == 'vtx':
+ for i in range(len(vp_pts)):
+ draw_SVG_dot([vp_pts[i][0],vp_pts[i][1]], st, 'Point'+str(i), proj)#plot points
+
+ elif so.show == 'edg':
+ if obj.type == 'face':#we must generate the edge list
+ edge_list = make_edge_list(obj.fce)
+ else:#we already have an edge list
+ edge_list = obj.edg
+
+ for i in range(len(edge_list)):#for every edge
+ pt_1 = vp_pts[ edge_list[i][0]-1 ] #the point at the start
+ pt_2 = vp_pts[ edge_list[i][1]-1 ] #the point at the end
+
+ draw_SVG_line((pt_1[0], pt_1[1]),
+ (pt_2[0], pt_2[1]),
+ st, 'Edge', proj)#plot edges
+
+ elif so.show == 'fce':
+ if obj.type == 'face':#we have a face list
+
+ if so.cw_wound: rev = -1 #if cw wound, reverse normals
+ else: rev = 1
+
+ z_list = []
+
+ for i in range(len(obj.fce)):
+ norm = get_normal(vp_pts, obj.fce[i])#get the normal to the face
+ norm = rev*norm / length(norm)#normalise and reverse if needed
+ angle = acos( dot(norm, lighting) )#get the angle between the normal and the lighting vector
+
+
+ if so.z_sort =='max':
+ z_sort_param = get_max_z(vp_pts, obj.fce[i])
+ elif so.z_sort == 'min':
+ z_sort_param = get_min_z(vp_pts, obj.fce[i])
+ else:
+ z_sort_param = get_cent_z(vp_pts, obj.fce[i])
+
+ if so.norm:#if a log of normals is required
+ if i == 0:
+ sys.stderr.write('Normal Vectors for each face are: \n\n')
+ sys.stderr.write('Face '+str(i)+': ' + str(norm) + '\n')
+
+ if so.back: # draw all polygons
+ z_list.append((z_sort_param, angle, norm, i) )
+ elif norm[2] > 0:#ignore backwards-facing faces (back face cull)
+ z_list.append((z_sort_param, angle, norm, i) ) #record the maximum z-value of the face and angle to light, along with the face ID and normal
+
+ z_list.sort(lambda x, y: cmp(x[0],y[0])) #sort by ascending sort parameter of the face
+
+ for i in range(len(z_list)):#for every polygon that has been sorted
+ if so.shade:
+ st.fill = '#' + "%02X" % floor( z_list[i][1]*so.f_r/pi ) \
+ + "%02X" % floor( z_list[i][1]*so.f_g/pi ) \
+ + "%02X" % floor( z_list[i][1]*so.f_b/pi ) #make the colour string
+ else:
+ st.fill = '#' + '%02X' % so.f_r + '%02X' % so.f_g + '%02X' % so.f_b #opaque
+
+ face_no = z_list[i][3]#the number of the face to draw
+ draw_SVG_poly(vp_pts, obj.fce[ face_no ], st, 'Face:'+str(face_no), proj)
+ else:
+ sys.stderr.write('The selected file does not contain face data.\nPlease select point or edge plotting options.')
+ else:
+ sys.stderr.write('Internal Error. No view type selected')
+
+e = Draw_From_Triangle()
+e.affect()
+