glScaled man page on YellowDog

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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 )

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:

				       x 0 0 0

				       0 y 0 0

				      ⎝	      ⎠

				       0 0 z 0

				       0 0 0 1

       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 coor‐
       dinate 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)

								   GLSCALE(3G)
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