Geomview 1.9.3

Geomview is an interactive 3D viewing program for Unix.
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Geomview is an interactive 3D viewing program for Unix. Geomview lets you view and manipulate three-dimensional objects: you use the mouse to rotate, translate, zoom in and out, and so on.

Geomview can be used as a standalone viewer for static objects or as a display engine for other programs which produce dynamically changing geometry. Geomview can display objects described in a variety of file formats. Geomview comes with a wide selection of example objects, and you can create your own objects too.

Geomview runs on most Unix platforms, including GNU/Linux. Geomview can run under Microsoft Windows using Cygwin. Geomview is free software available under the terms of the GNU Lesser General Public License (GPL).

You can also use Geomview to handle the display of data coming from another program that is running simultaneously. As the other program changes the data, the Geomview image reflects the changes. Programs that generate objects and use Geomview to display them are called external modules. External modules can control almost all aspects of Geomview. The idea here is that many aspects of the display and interaction parts of geometry software are independent of the geometric content and can be collected together in a single piece of software that can be used in a wide variety of situations. The author of the external module can then concentrate on implementing the desired algorithm and leave the display aspects to Geomview. Geomview comes with a collection of sample external modules, and the manual describes how to write your own.

Geomview allows multiple independently controllable objects and cameras. It provides interactive control for motion, appearances (including lighting, shading, and materials), picking on an object, edge or vertex level, snapshots in many image file, PostScript, or Renderman RIB format, and adding or deleting objects is provided through direct mouse manipulation, control panels, and keyboard shortcuts.

Geomview supports the following simple data types: polyhedra with shared vertices (.off), quadrilaterals, rectangular meshes, vectors, and Bezier surface patches of arbitrary degree including rational patches. Object hierarchies can be constructed with lists of objects and instances of object(s) transformed by one or many 4x4 matrices. Arbitrary portions of changing hierarchies may be transmitted by creating named references.

The full specification for object file formats is in the OOGL (Object Oriented Graphics Language) Reference section of the Geomview manual. If you already have Geomview you might want to try out the OOGL tutorial.

Geomview can be used as a Mathematica graphics output device; this makes viewing Mathematica graphics much more interactive. The same is true for Maple. Geomview began as an effort at the Geometry Center at the University of Minnesota to provide interactive geometry software which is particularly appropriate for mathematics research and education. In particular, Geomview can display objects in hyperbolic and spherical space as well as Euclidean space.


· XForms (optional)

What's New in This Release:

· The sphere center was translated twice in V1.9.2

last updated on:
June 22nd, 2007, 20:35 GMT
license type:
GPL (GNU General Public License) 
developed by:
Geomview Team
ROOT \ Science and Engineering \ Visualization
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