glRotatef man page on RedHat

glRotatef man page on RedHat

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GLROTATE(3G)			 OpenGL Manual			  GLROTATE(3G)

NAME
       glRotate - multiply the current matrix by a rotation matrix

C SPECIFICATION
       void glRotated(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);

       void glRotatef(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);

PARAMETERS
       angle
	   Specifies the angle of rotation, in degrees.

       x, y, z
	   Specify the x, y, and z coordinates of a vector, respectively.

DESCRIPTION
       glRotate produces a rotation of angle degrees around the vector x y z.
       The current matrix (see glMatrixMode()) is multiplied by a rotation
       matrix with the product replacing the current matrix, as if
       glMultMatrix() were called with the following matrix as its argument:

       x 2 ⁡ 1 - c + c x ⁢ y ⁡ 1 - c - z ⁢ s x ⁢ z ⁡ 1 - c + y ⁢ s 0 y ⁢ x ⁡ 1
       - c + z ⁢ s y 2 ⁡ 1 - c + c y ⁢ z ⁡ 1 - c - x ⁢ s 0 x ⁢ z ⁡ 1 - c - y ⁢
       s y ⁢ z ⁡ 1 - c + x ⁢ s z 2 ⁡ 1 - c + c 0 0 0 0 1

       Where c = cos ⁡ angle, s = sin ⁡ angle, and x y z = 1 (if not, the GL
       will normalize this vector).

       If the matrix mode is either GL_MODELVIEW or GL_PROJECTION, all objects
       drawn after glRotate is called are rotated. Use glPushMatrix() and
       glPopMatrix() to save and restore the unrotated coordinate system.

NOTES
       This rotation follows the right-hand rule, so if the vector x y z
       points toward the user, the rotation will be counterclockwise.

ERRORS
       GL_INVALID_OPERATION is generated if glRotate is executed between the
       execution of glBegin() and the corresponding execution of glEnd().

ASSOCIATED GETS
       glGet() with argument GL_MATRIX_MODE

       glGet() with argument GL_COLOR_MATRIX

       glGet() with argument GL_MODELVIEW_MATRIX

       glGet() with argument GL_PROJECTION_MATRIX

       glGet() with argument GL_TEXTURE_MATRIX

SEE ALSO
       glMatrixMode(), glMultMatrix(), glPushMatrix(), glScale(),
       glTranslate()

COPYRIGHT
       Copyright © 1991-2006 Silicon Graphics, Inc. This document is licensed
       under the SGI Free Software B License. For details, see
       http://oss.sgi.com/projects/FreeB/.

AUTHORS
       opengl.org

opengl.org			  03/16/2013			  GLROTATE(3G)

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