+
+ /* Put a sphere at the endpoint of every line segment. Wasteful
+ on curves like "0" but necessary on corners like "4". */
+ if (! wire)
+ {
+ glPushMatrix();
+ glTranslatef (lx, ly, 0);
+ glScalef (tube_width, tube_width, tube_width);
+ *polysP += unit_sphere (TUBE_FACES, TUBE_FACES, wire);
+ glPopMatrix();
+ }