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# ##### BEGIN GPL LICENSE BLOCK #####
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# <pep8-80 compliant>
bl_info = {
"name": "STL format",
"author": "Guillaume Bouchard (Guillaum)",
"version": (1, 0),
"blender": (2, 5, 7),
"location": "File > Import-Export > Stl",
"description": "Import-Export STL files",
"warning": "",
"wiki_url": "http://wiki.blender.org/index.php/Extensions:2.5/Py/"
"Scripts/Import-Export/STL",
"tracker_url": "https://projects.blender.org/tracker/index.php?"
"func=detail&aid=22837",
"support": 'OFFICIAL',
"category": "Import-Export"}
# @todo write the wiki page
"""
Import-Export STL files (binary or ascii)
- Import automatically remove the doubles.
- Export can export with/without modifiers applied
Issues:
Import:
- Does not handle the normal of the triangles
- Does not handle endien
"""
if "bpy" in locals():
import imp
if "stl_utils" in locals():
imp.reload(stl_utils)
if "blender_utils" in locals():
imp.reload(blender_utils)
import os
import bpy
from bpy.props import StringProperty, BoolProperty, CollectionProperty
from bpy_extras.io_utils import ExportHelper, ImportHelper
from bpy.types import Operator, OperatorFileListElement
class ImportSTL(Operator, ImportHelper):
'''Load STL triangle mesh data'''
bl_idname = "import_mesh.stl"
bl_label = "Import STL"
bl_options = {'UNDO'}
filename_ext = ".stl"
filter_glob = StringProperty(
default="*.stl",
options={'HIDDEN'},
)
files = CollectionProperty(
name="File Path",
type=OperatorFileListElement,
)
directory = StringProperty(
subtype='DIR_PATH',
)
def execute(self, context):
from . import stl_utils
from . import blender_utils
paths = [os.path.join(self.directory, name.name)
for name in self.files]
if not paths:
paths.append(self.filepath)
if bpy.ops.object.mode_set.poll():
bpy.ops.object.mode_set(mode='OBJECT')
if bpy.ops.object.select_all.poll():
bpy.ops.object.select_all(action='DESELECT')
for path in paths:
objName = bpy.path.display_name(os.path.basename(path))
tris, pts = stl_utils.read_stl(path)
blender_utils.create_and_link_mesh(objName, tris, pts)
return {'FINISHED'}
class ExportSTL(Operator, ExportHelper):
'''Save STL triangle mesh data from the active object'''
bl_idname = "export_mesh.stl"
bl_label = "Export STL"
filename_ext = ".stl"
filter_glob = StringProperty(default="*.stl", options={'HIDDEN'})
ascii = BoolProperty(name="Ascii",
description="Save the file in ASCII file format",
default=False)
apply_modifiers = BoolProperty(name="Apply Modifiers",
description="Apply the modifiers "
"before saving",
default=True)
def execute(self, context):
from . import stl_utils
from . import blender_utils
import itertools
faces = itertools.chain.from_iterable(
blender_utils.faces_from_mesh(ob, self.apply_modifiers)
for ob in context.selected_objects)
stl_utils.write_stl(self.filepath, faces, self.ascii)
return {'FINISHED'}
def menu_import(self, context):
self.layout.operator(ImportSTL.bl_idname, text="Stl (.stl)")
def menu_export(self, context):
default_path = os.path.splitext(bpy.data.filepath)[0] + ".stl"
self.layout.operator(ExportSTL.bl_idname, text="Stl (.stl)")
def register():
bpy.utils.register_module(__name__)
bpy.types.INFO_MT_file_import.append(menu_import)
bpy.types.INFO_MT_file_export.append(menu_export)
def unregister():
bpy.utils.unregister_module(__name__)
bpy.types.INFO_MT_file_import.remove(menu_import)
bpy.types.INFO_MT_file_export.remove(menu_export)
if __name__ == "__main__":
register()
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