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Diffstat (limited to 'io_mesh_stl/__init__.py')
| -rw-r--r-- | io_mesh_stl/__init__.py | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/io_mesh_stl/__init__.py b/io_mesh_stl/__init__.py new file mode 100644 index 00000000..e9788013 --- /dev/null +++ b/io_mesh_stl/__init__.py @@ -0,0 +1,164 @@ +# ##### 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), + "api": 35622, + "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 + + +class ImportSTL(bpy.types.Operator, ImportHelper): + '''Load STL triangle mesh data''' + bl_idname = "import_mesh.stl" + bl_label = "Import STL" + + filename_ext = ".stl" + + filter_glob = StringProperty(default="*.stl", options={'HIDDEN'}) + + files = CollectionProperty(name="File Path", + description="File path used for importing " + "the STL file", + type=bpy.types.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(bpy.types.Operator, ExportHelper): + ''' + Save STL triangle mesh data from the active object + ''' + bl_idname = "export_mesh.stl" + bl_label = "Export STL" + + filename_ext = ".stl" + + 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)").filepath = "*.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)").filepath = default_path + + +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() |