glScale man page on DigitalUNIX

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```glScale(3G)							   glScale(3G)

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

SYNOPSIS
void glScaled(
GLdouble x,
GLdouble y,
GLdouble z ); void glScalef(
GLfloat x,
GLfloat y,
GLfloat z );

PARAMETERS
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
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 argu‐
ment 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

glMatrixMode(3),	   glMultMatrix(3),    glPushMatrix(3),	  glRotate(3),
glTranslate(3)

glScale(3G)
```
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