Collada
This library provides support for loading and processing data from Collada Digital Asset Exchange files. These files are typically used for sharing geometry and scenes.
Installation
Add this line to your application's Gemfile:
gem 'collada'
And then execute:
$ bundle
Or install it yourself as:
$ gem install collada
Usage
This library is designed to be used in scripts which extract data from collada files and output in some other format. As such, you'd typically create your own conversion script which takes the collada file as an argument. Then, use this library to extract relevant geometry and write it out.
To assist with some basic tasks, the collada-convert executable provides a number of basic conversion functions. At present, collada-convert is primarily designed to produce tagged format text.
Example Conversion
Several example .dae files are included and used as part of the unit tests. The collada-convert executable can dump the geometries contained within easily:
$ ./bin/collada-convert tagged-format -v p3n3 ./test/sample.dae
Cube-mesh: mesh triangles
indices: array index16
0 1 2 3 4 5 6 7 8 9 10 11
12 13 14 15 16 17 18 19 20 21 22 23
end
vertices: array vertex-p3n3
1.0 1.0 -1.0 0.0 0.0 -1.0
1.0 -1.0 -1.0 0.0 0.0 -1.0
-1.0 -1.0 -1.0 0.0 0.0 -1.0
-1.0 1.0 -1.0 0.0 0.0 -1.0
1.0 1.0 1.0 0.0 0.0 1.0
-1.0 1.0 1.0 0.0 0.0 1.0
-1.0 -1.0 1.0 0.0 0.0 1.0
1.0 -1.0 1.0 0.0 0.0 1.0
1.0 1.0 -1.0 1.0 -0.0 0.0
1.0 1.0 1.0 1.0 -0.0 0.0
1.0 -1.0 1.0 1.0 -0.0 0.0
1.0 -1.0 -1.0 1.0 -0.0 0.0
1.0 -1.0 -1.0 -0.0 -1.0 0.0
1.0 -1.0 1.0 -0.0 -1.0 0.0
-1.0 -1.0 1.0 -0.0 -1.0 0.0
-1.0 -1.0 -1.0 -0.0 -1.0 0.0
-1.0 -1.0 -1.0 -1.0 0.0 0.0
-1.0 -1.0 1.0 -1.0 0.0 0.0
-1.0 1.0 1.0 -1.0 0.0 0.0
-1.0 1.0 -1.0 -1.0 0.0 0.0
1.0 1.0 1.0 0.0 1.0 0.0
1.0 1.0 -1.0 0.0 1.0 0.0
-1.0 1.0 -1.0 0.0 1.0 0.0
-1.0 1.0 1.0 0.0 1.0 0.0
end
end
top: offset-table
Cube: $Cube-mesh
end
Contributing
- Fork it
- Create your feature branch (
git checkout -b my-new-feature) - Commit your changes (
git commit -am 'Add some feature') - Push to the branch (
git push origin my-new-feature) - Create new Pull Request
Desired Features
- Converter: Support .obj files.
- Support more of the collada standard.
License
Released under the MIT license.
Copyright, 2012, by Samuel G. D. Williams.
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.