# packages

pkgId: 491900f63f9dc305e9048014a95bca98f548fdfa9a0585f12c7af0281aa58781
name: opencsg
arch: src
version: 1.3.1
epoch: 0
release: 4.fc15
summary: Library for Constructive Solid Geometry using OpenGL
url: http://www.opencsg.org/
rpm_license: GPLv2
rpm_group: System Environment/Libraries
rpm_buildhost: jebstation.alephobjects.com
location_href: opencsg-1.3.1-4.fc15.src.rpm
checksum_type: sha256
description:
  OpenCSG is a library that does image-based CSG rendering using OpenGL.

  CSG is short for Constructive Solid Geometry and denotes an approach to model
  complex 3D-shapes using simpler ones. I.e., two shapes can be combined by
  taking the union of them, by intersecting them, or by subtracting one shape
  of the other. The most basic shapes, which are not result of such a CSG
  operation, are called primitives. Primitives must be solid, i.e., they must
  have a clearly defined interior and exterior. By construction, a CSG shape is
  also solid then.

  Image-based CSG rendering (also z-buffer CSG rendering) is a term that denotes
  algorithms for rendering CSG shapes without an explicit calculation of the
  geometric boundary of a CSG shape. Such algorithms use frame-buffer settings
  of the graphics hardware, e.g., the depth and stencil buffer, to compose CSG
  shapes. OpenCSG implements a variety of those algorithms, namely the
  Goldfeather algorithm and the SCS algorithm, both of them in several variants.


pkgId: 446e32d4e2e72f28a8ed28adb63b45fc087445d7bec4307a68e0c1a4150bcaa3
name: openscad
arch: src
version: 2011.02.22
epoch: 0
release: 1.20110222.git.fc15
summary: Creates solid 3D CAD objects
url: http://www.openscad.org
rpm_license: GPLv2+
rpm_group: Applications/Engineering
rpm_buildhost: jebstation.alephobjects.com
location_href: openscad-2011.02.22-1.20110222.git.fc15.src.rpm
checksum_type: sha256
description:
  OpenSCAD is software for creating solid 3D CAD objects.

  Unlike most free software for creating 3D models (such as the famous
  application Blender) it does not focus on the artistic aspects of 3D modeling
  but instead on the CAD aspects.

  OpenSCAD provides two main modeling techniques: First there is constructive
  solid geometry (aka CSG) and second there is extrusion of 2D outlines. As data
  exchange format format for this 2D outlines Autocad DXF files are used. Besides
  DXF files OpenSCAD can read and create 3D models in the STL and OFF file
  formats.


