GLUDISK - Online Linux Manual PageSection : 3G

NAME"gluDisk − draw a disk

C SPECIFICATIONvoid gluDisk( GLUquadric* quad, GLdouble inner, GLdouble outer, GLint slices, GLint loops )

PARAMETERSquad  Specifies the quadrics object (created with ­gluNewQuadric). inner  Specifies the inner radius of the disk (may be 0). outer  Specifies the outer radius of the disk. slices  Specifies the number of subdivisions around the z axis. loops  Specifies the number of concentric rings about the origin into which the disk is subdivided.

DESCRIPTION­gluDisk renders a disk on the z = 0 plane. The disk has a radius of outer, and contains a concentric circular hole with a radius of inner. If inner is 0, then no hole is generated. The disk is subdivided around the z axis into slices (like pizza slices), and also about the z axis into rings (as specified by slices and loops, respectively). With respect to orientation, the +z side of the disk is considered to be "outside" (see ­gluQuadricOrientation). This means that if the orientation is set to ­GLU_OUTSIDE, then any normals generated point along the +z axis. Otherwise, they point along the −z axis. If texturing has been turned on (with ­gluQuadricTexture), texture coordinates are generated linearly such that where r~=~outer, the value at (r, 0, 0) is (1, 0.5), at (0, r, 0) it is (0.5, 1), at (r, 0, 0) it is (0, 0.5), and at (0, −r, 0) it is (0.5, 0).

SEE ALSO­gluCylinder(3G), ­gluNewQuadric(3G), ­gluPartialDisk(3G), ­gluQuadricOrientation(3G), ­gluQuadricTexture(3G), ­gluSphere(3G)
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Online Linux Manual Page   :   Version   :   Online Linux Manual Page - Fedora.40 - march=x86-64 - mtune=generic - 24.12.05
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