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Top Forums UNIX for Dummies Questions & Answers Difference between normal Execute permission and GUID Post 302617931 by ksgnathan on Tuesday 3rd of April 2012 10:18:34 AM
Old 04-03-2012
Quote:
Originally Posted by vbe
What do you call normal execution?
The normal execution will depend on permissions of the file, the directory etc...
Thats new to me...or we dont seem to understand the same thing...

Last edited by ksgnathan; 04-03-2012 at 11:25 AM.. Reason: wrongly provided data
 

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GLUTESSNORMAL(3G)														 GLUTESSNORMAL(3G)

NAME
gluTessNormal - specify a normal for a polygon C SPECIFICATION
void gluTessNormal( GLUtesselator* tess, GLdouble valueX, GLdouble valueY, GLdouble valueZ ) PARAMETERS
tess Specifies the tessellation object (created with gluNewTess). valueX Specifies the first component of the normal. valueY Specifies the second component of the normal. valueZ Specifies the third component of the normal. DESCRIPTION
gluTessNormal describes a normal for a polygon that the program is defining. All input data will be projected onto a plane perpendicular to one of the three coordinate axes before tessellation and all output triangles will be oriented CCW with respect to the normal (CW orien- tation can be obtained by reversing the sign of the supplied normal). For example, if you know that all polygons lie in the x-y plane, call gluTessNormal(tess, 0.0, 0.0, 1.0) before rendering any polygons. If the supplied normal is (0.0, 0.0, 0.0) (the initial value), the normal is determined as follows. The direction of the normal, up to its sign, is found by fitting a plane to the vertices, without regard to how the vertices are connected. It is expected that the input data lies approximately in the plane; otherwise, projection perpendicular to one of the three coordinate axes may substantially change the geom- etry. The sign of the normal is chosen so that the sum of the signed areas of all input contours is nonnegative (where a CCW contour has positive area). The supplied normal persists until it is changed by another call to gluTessNormal. SEE ALSO
gluTessBeginPolygon(3G), gluTessEndPolygon(3G) GLUTESSNORMAL(3G)
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