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A collection of triangle mesh conversions for Processing, Clojure, and Java.

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README.md

rosettamesh!

A collection of triangle mesh conversions for Processing, Clojure, and Java.

Supported Libraries

TODO

  • Better api namespace
  • Subfeatures of libraries such as triangulation of non-triangle meshes
  • More tests and examples

Methods

An intermediary java.lang.Object (a Clojure list of lists of coordinates) is created or consumed by mix-in static methods. You will probably want to use a mix of two of each of these, making sure your input and output types match your intentions, that is, to take the source, create the unused intermediary format, and then use that to create the target.

  • Only triangle meshes, if possible, and from / to faces
  • Can be chained (see tests)
  • Some may be broken (anar, igeo?)
  • If a mesh is not valid in the target or source, there may be errors
  • Some loss of precision may occur (floats and doubles)
  • Some libraries also require Processing's core.jar
  • If you don't use the library's functions, Java shouldn't need their jars
  • May be slow with larger meshes
  • No support for color (there are a lot of opinions out there!)
  • Might screw up normals, might not

Usage

Processing & Java Methods

(anar.Obj) anar.toAnar(Object)
(Object) anar.fromAnar(anar.Obj)

(eu.fluidforms.geom.FSolid) fluidforms.toFSolid(Object)
(Object) fluidforms.fromFSolid(eu.fluidforms.geom.FSolid)

(float[][][]) floatarray.toFloatArray(Object)
(Object) floatarray.fromFloatArray(float[][][])

(wblut.hemesh.core.HE_Mesh) hemesh.toHemesh(Object)
(Object) hemesh.fromHemesh(wblut.hemesh.core.HE_Mesh)

(igeo.IMeshGeo) igeo.toIgeo(Object)
(Object) igeo.fromIgeo(igeo.IMeshGeo)

(javax.media.j3d.IndexedTriangleArray) j3d.toIndexedTriangleArray (Object)
(Object) j3d.fromIndexedTriangleArray (javax.media.j3d.IndexedTriangleArray)

(java.util.ArrayList) processing.toProcessing(Object)
(Object) processing.fromProcessing(java.util.ArrayList)

(toxi.geom.mesh.TriangleMesh) toxi.toToxi(Object)
(Object) toxi.fromToxi(toxi.geom.mesh.TriangleMesh)

(unlekker.modelbuilder.UGeometry) unlekker.toModelBuilder(Object)
(Object) unlekker.fromModelBuilder(unlekker.modelbuilder.UGeometry)

(unwrap.Unwrap) unwrap.toUnwrap(processing.core.PApplet processing.core.PFont Object)
(Object) unwrap.fromUnwrap(unwrap.Unwrap)

Example

import rosettamesh.*;
toxi.toToxi(hemesh.fromHemesh((new HEC_Cone(1,1,20,20)).create())).saveAsSTL("test.stl");

Clojure

Browse the code, and copy in what you need. Put the source libraries into your project's lib/ folder or install each manually via Maven2, and list the libraries as project dependencies. Without explicit dependencies the lib/ folder will be cleared when executing lein clean.

Example

(toModelBuilder 
  (fromToxi (toToxi 
    (fromHemesh (.create (HEC_Cone. 1 1 20 20))))))

To build a jar for Processing and Java:

1. copy the source libraries into lib/
2. if not using all, edit src/rosettamesh/core.clj and remove unused libs
3. lein jar  .... (or lein uberjar)

License

Copyright (C) 2012 Declarie Limited

Distributed under the Eclipse Public License, the same as Clojure.

find me at twitter.com/th0ma5

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