C language function:gluPwlCurve sample codes

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TITLE : Ayam - News
When tessellating trimmed NURBS patches with Ayam, the underlying GLU API offers two functions for the specification of trim curves, gluNurbsCurve() and gluPwlCurve(). The latter is for polygonal trims (Pwl standing for piecewise linear) that often appear as outer trim loop to limit the parameter space or generate triangular surfaces. gluPwlCurve() also has a simpler interface than gluNurbsCurve() as there is no need to specify the order or a knot vector........
http://ayam.sourceforge.net/news.html


TITLE : Ayam - News
The usage of gluPwlCurve(), however, has an unpleasant and undocumented side effect in tessellators that stem from the SGI GLU sample implementation: edges of the tessellated surface that are generated by??/??run along such polygons will often not be broken down into smaller pieces but rather appear unchanged in the tessellation........
http://ayam.sourceforge.net/news.html
TITLE : Ayam - News
Poor Tessellation Caused by gluPwlCurve().......
http://ayam.sourceforge.net/news.html
TITLE : Ayam - News
When, instead of gluPwlCurve(), gluNurbsCurve() is used for the specification of the polygonal trim, a much more pleasant tessellation results:.......
http://ayam.sourceforge.net/news.html
TITLE : Ayam - News
Good Tessellation Using gluNurbsCurve() Instead of gluPwlCurve().......
http://ayam.sourceforge.net/news.html
TITLE : Ayam - News
Therefore, since Ayam 1.21, there is a new hidden parameter (AvoidPwlCurve) that instructs Ayam to avoid the usage of gluPwlCurve(). This parameter is enabled by default........
http://ayam.sourceforge.net/news.html
TITLE : OpenGL Changes
Modified gluPwlCurve().......
http://developer.apple.com/library/content/releasenotes/General/APIDiffsMacOSX10_9/OpenGL.html
TITLE : gluEndTrim function (Windows)
gluPwlCurve(. . ., GLU_MAP1_TRIM_2);.......
http://msdn.microsoft.com/ja-jp/ee872074
TITLE : EDM/2 - OpenGL and OS/2 - All About NURBS
Trimming is performed by specifying a gluNurbsCurve() or a gluPwlCurve(). Since gluNurbsCurve() was described above, I will describe gluPwlCurve() here........
http://www.edm2.com/0608/opengl.html
TITLE : EDM/2 - OpenGL and OS/2 - All About NURBS
gluPwlCurve() creates a piecewise linear trimming curve for the NURBS object........
http://www.edm2.com/0608/opengl.html
TITLE : EDM/2 - OpenGL and OS/2 - All About NURBS
gluPwlCurve( GLUnurbsObj *nurb, GLint count, GLfloat *array,.......
http://www.edm2.com/0608/opengl.html
TITLE : EDM/2 - OpenGL and OS/2 - All About NURBS
gluPwlCurve( nurbSurface, 8, (GLfloat *)trim, 2, GLU_MAP1_TRIM_2 );.......
http://www.edm2.com/0608/opengl.html
TITLE : Chapter 6. GLU Reference Pages
gluPwlCurve(..., GLU_MAP1_TRIM_2);.......
http://www.glprogramming.com/blue/ch06.html
TITLE : Chapter 6. GLU Reference Pages
void gluPwlCurve( GLUnurbsObj *nobj, GLint count, GLfloat *array, GLint stride, GLenum type ).......
http://www.glprogramming.com/blue/ch06.html
TITLE : The theory and method of OpenGL Trimming Surface
gluPwlCurve() - piecewise curves.......
http://www.opengl.org/discussion_boards/showthread.php/144991-The-theory-and-method-of-OpenGL-Trimming-Surface
search Google

https://www.google.com/#q=gluPwlCurve