glScalef man page on OpenBSD

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GLSCALE(3G)							   GLSCALE(3G)

NAME
       glScaled, glScalef - multiply the current matrix by a general scaling
       matrix

C SPECIFICATION
       void glScaled( GLdouble x,
	    GLdouble y,
	    GLdouble z )
       void glScalef( GLfloat x,
	    GLfloat y,
	    GLfloat z )

       delim $$

PARAMETERS
       x, y, z
	      Specify scale factors along the x, y, and z axes, respectively.

DESCRIPTION
       glScale produces a nonuniform scaling along the x, y, and z axes.  The
       three parameters indicate the desired scale factor along each of the
       three axes.

       The current matrix (see glMatrixMode) is multiplied by this scale
       matrix, and the product replaces the current matrix as if glScale were
       called with the following matrix as its argument:

       left ( ~ down 20 matrix {
	  ccol { ~"x" above ~0 above ~0 above ~0 }
	  ccol { ~0 above ~"y" above ~0 above ~0 }
	  ccol { ~0 above ~0 above ~"z" above ~0 }
	  ccol { ~0 above ~0 above ~0 above ~1} } ~~ right )

       If the matrix mode is either GL_MODELVIEW or GL_PROJECTION, all objects
       drawn after glScale is called are scaled.

       Use glPushMatrix and glPopMatrix to save and restore the unscaled
       coordinate system.

NOTES
       If scale factors other than 1 are applied to the modelview matrix and
       lighting is enabled, lighting often appears wrong.  In that case,
       enable automatic normalization of normals by calling glEnable with the
       argument GL_NORMALIZE.

ERRORS
       GL_INVALID_OPERATION is generated if glScale 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(3G), glMultMatrix(3G), glPushMatrix(3G), glRotate(3G),
       glTranslate(3G)

								 March 1, 2011
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