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pyMKcam
Commit 23150219 authored by sumpfralle's avatar sumpfralle
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fixed the order of vertices when exporting a model to an STL file 

disabled code for adding comments to the STL files
fixed two sample STL files with wrong order of vertices


git-svn-id: https://pycam.svn.sourceforge.net/svnroot/pycam/trunk@718 bbaffbd6-741e-11dd-a85d-61de82d9cad9
parent 9db130d8
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Inline Side-by-side
Showing with 127 additions and 123 deletions
samples/Box2.stl
View file @ 23150219
solid "model"; Produced by pycam, 2010-09-23 solid "model"; Produced by pycam (v0.3), 2010-10-03
;PYCAM-META-DATA: Filename: samples/Box2.stl
;PYCAM-META-DATA: Timestamp: 2010-09-23 20:22:11.660612
;PYCAM-META-DATA: Version: 0.3
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samples/pycam.stl
View file @ 23150219
solid "model"; Produced by pycam, 2010-06-14 solid "model"; Produced by pycam (v0.3), 2010-10-03
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vertex 145.581395 58.837209 18.871795
vertex 140.348837 58.837209 18.564103
endloop endloop
endfacet endfacet
facet normal -0.057148 -0.228591 0.971844 facet normal -0.057148 -0.228591 0.971844
outer loop outer loop
vertex 145.581395 57.093023 18.461538
vertex 152.558140 58.837209 19.282051
vertex 145.581395 51.860465 17.230769 vertex 145.581395 51.860465 17.230769
vertex 152.558140 58.837209 19.282051
vertex 145.581395 57.093023 18.461538
endloop endloop
endfacet endfacet
facet normal -0.057148 -0.228591 0.971844 facet normal -0.057148 -0.228591 0.971844
outer loop outer loop
vertex 149.069767 55.348837 18.256410
vertex 152.558140 58.837209 19.282051
vertex 152.558140 51.860465 17.641026 vertex 152.558140 51.860465 17.641026
vertex 152.558140 58.837209 19.282051
vertex 149.069767 55.348837 18.256410
endloop endloop
endfacet endfacet
facet normal -0.057148 -0.228591 0.971844 facet normal -0.057148 -0.228591 0.971844
outer loop outer loop
vertex 152.558140 58.837209 19.282051
vertex 157.790698 37.906977 14.666667
vertex 152.558140 37.906977 14.358974 vertex 152.558140 37.906977 14.358974
vertex 157.790698 37.906977 14.666667
vertex 152.558140 58.837209 19.282051
endloop endloop
endfacet endfacet
facet normal -0.057148 -0.228591 0.971844 facet normal -0.057148 -0.228591 0.971844
outer loop outer loop
vertex 152.558140 58.837209 19.282051
vertex 157.790698 57.093023 19.179487
vertex 157.790698 37.906977 14.666667 vertex 157.790698 37.906977 14.666667
vertex 157.790698 57.093023 19.179487
vertex 152.558140 58.837209 19.282051
endloop endloop
endfacet endfacet
facet normal -0.057148 -0.228591 0.971844 facet normal -0.057148 -0.228591 0.971844
outer loop outer loop
vertex 157.790698 51.860465 17.948718
vertex 157.790698 57.093023 19.179487
vertex 164.767442 58.837209 20.000000 vertex 164.767442 58.837209 20.000000
vertex 157.790698 57.093023 19.179487
vertex 157.790698 51.860465 17.948718
endloop endloop
endfacet endfacet
facet normal -0.057148 -0.228591 0.971844 facet normal -0.057148 -0.228591 0.971844
outer loop outer loop
vertex 161.279070 55.348837 18.974359
vertex 164.767442 58.837209 20.000000
vertex 164.767442 51.860465 18.358974 vertex 164.767442 51.860465 18.358974
vertex 164.767442 58.837209 20.000000
vertex 161.279070 55.348837 18.974359
endloop endloop
endfacet endfacet
facet normal -0.057148 -0.228591 0.971844 facet normal -0.057148 -0.228591 0.971844
outer loop outer loop
vertex 164.767442 58.837209 20.000000
vertex 170.000000 37.906977 15.384615
vertex 164.767442 37.906977 15.076923 vertex 164.767442 37.906977 15.076923
vertex 170.000000 37.906977 15.384615
vertex 164.767442 58.837209 20.000000
endloop endloop
endfacet endfacet
facet normal -0.057148 -0.228591 0.971844 facet normal -0.057148 -0.228591 0.971844
outer loop outer loop
vertex 164.767442 58.837209 20.000000
vertex 170.000000 57.093023 19.897436
vertex 170.000000 37.906977 15.384615 vertex 170.000000 37.906977 15.384615
vertex 170.000000 57.093023 19.897436
vertex 164.767442 58.837209 20.000000
endloop endloop
endfacet endfacet
endsolid endsolid
src/pycam/Exporters/STLExporter.py
View file @ 23150219
...@@ -21,6 +21,7 @@ You should have received a copy of the GNU General Public License ...@@ -21,6 +21,7 @@ You should have received a copy of the GNU General Public License
along with PyCAM. If not, see <http://www.gnu.org/licenses/>. along with PyCAM. If not, see <http://www.gnu.org/licenses/>.
""" """
from pycam import VERSION
import datetime import datetime
import os import os
...@@ -46,15 +47,21 @@ class STLExporter: ...@@ -46,15 +47,21 @@ class STLExporter:
def get_output_lines(self): def get_output_lines(self):
date = datetime.date.today().isoformat() date = datetime.date.today().isoformat()
yield """solid "%s"; Produced by %s, %s""" % (self.name, self.created_by, date) yield """solid "%s"; Produced by %s (v%s), %s""" \
% (self.name, self.created_by, VERSION, date)
# sadly STL does not seem to support comments
"""
if self.comment: if self.comment:
for line in self.comment.split(self.linesep): for line in self.comment.split(self.linesep):
yield(";%s" % line) yield(";%s" % line)
"""
for tr in self.model.triangles(): for tr in self.model.triangles():
norm = tr.normal.normalized() norm = tr.normal.normalized()
yield "facet normal %f %f %f" % (norm.x, norm.y, norm.z) yield "facet normal %f %f %f" % (norm.x, norm.y, norm.z)
yield " outer loop" yield " outer loop"
for p in (tr.p1, tr.p2, tr.p3): # Triangle vertices are stored in clockwise order - thus we need
# to reverse the order (STL expects counter-clockwise orientation).
for p in (tr.p3, tr.p2, tr.p1):
yield " vertex %f %f %f" % (p.x, p.y, p.z) yield " vertex %f %f %f" % (p.x, p.y, p.z)
yield " endloop" yield " endloop"
yield "endfacet" yield "endfacet"
......
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