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Special Forums News, Links, Events and Announcements Software Releases - RSS News white_dune 0.29beta996 (Development branch)
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Old 06-28-2008
white_dune 0.29beta996 (Development branch)
Image white_dune is a graphical VRML97 editor, simple NURBS/Superformula 3D modeller and animation tool. VRML97 (Virtual Reality Modeling Language) is the ISO standard for displaying 3D data over the Web via browser plugins ("HTML for realtime 3D"). It has support for animation, real-time interaction, and multimedia (images, movies, and sounds). white_dune can read, create and display VRML97 files and let the user change the scenegraph/fields. It also has support for stereoscopic view via "quadbuffer"-capable stereo visuals, and support for 3D input devices like a joystick, spaceball, or magnetic tracker. License: GNU General Public License (GPL) Changes:
A handle moving problem on some OpenGL systems that occurred when a Viewpoint node is used was fixed. Incorrect graying of some cover menu points was fixed along with wrong display of kambi fields in some nodes. A toolbar for kambi nodes was added. Wrong insertion on DEF/USE writing was fixed.Image

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LEARN ABOUT MOJAVE

glubeginsurface

GLUBEGINSURFACE(3G)													       GLUBEGINSURFACE(3G)

NAME

       gluBeginSurface, gluEndSurface - delimit a NURBS surface definition

C SPECIFICATION

       void gluBeginSurface( GLUnurbs* nurb )

       void gluEndSurface( GLUnurbs* nurb )

PARAMETERS

       nurb  Specifies the NURBS object (created with gluNewNurbsRenderer).

DESCRIPTION

       Use  gluBeginSurface  to  mark  the  beginning  of  a  NURBS  surface  definition. After calling gluBeginSurface, make one or more calls to
       gluNurbsSurface to define the attributes of the surface.  Exactly one of these calls  to  gluNurbsSurface  must	have  a  surface  type	of
       GL_MAP2_VERTEX_3 or GL_MAP2_VERTEX_4.  To mark the end of the NURBS surface definition, call gluEndSurface.

       Trimming  of NURBS surfaces is supported with gluBeginTrim, gluPwlCurve, gluNurbsCurve, and gluEndTrim. See the gluBeginTrim reference page
       for details.

       GL evaluators are used to render the NURBS surface as a set of polygons.  Evaluator state is preserved during rendering with glPushAttrib(-
       GL_EVAL_BIT) and glPopAttrib().	See the glPushAttrib reference page for details on exactly what state these calls preserve.

EXAMPLE

       The  following  commands render a textured NURBS surface with normals; the texture coordinates and normals are also described as NURBS sur-
       faces:

       gluBeginSurface(nobj);
	  gluNurbsSurface(nobj, ..., GL_MAP2_TEXTURE_COORD_2);
	  gluNurbsSurface(nobj, ..., GL_MAP2_NORMAL);
	  gluNurbsSurface(nobj, ..., GL_MAP2_VERTEX_4); gluEndSurface(nobj);

SEE ALSO

       gluBeginCurve, gluBeginTrim, gluNewNurbsRenderer, gluNurbsCurve, gluNurbsSurface, gluPwlCurve

															       GLUBEGINSURFACE(3G)