puts "=================================================================="
puts "0030979: Aspect_GDM_Points renders dots at rectangular grid intersections"
puts "=================================================================="

pload MODELING VISUALIZATION

vclear
vinit View1
vaxo

box b 1 2 3
vdisplay b -dispMode 1
vfit
vzoom 0.2

# Lines mode (default): full grid with horizontal and vertical lines.
vgrid -type rect -step 0.5 0.5 -mode lines
vdump $imagedir/${casename}_lines.png

# Points mode: only the intersections light up (uDrawMode=1 in shader,
# alpha = aAlphaX * aAlphaY instead of max(aAlphaX, aAlphaY)).
vgrid -type rect -step 0.5 0.5 -mode points
vdump $imagedir/${casename}_points.png

# Circular grid with points (dots at ring x spoke intersections).
vgrid -type circ -step 0.5 8 -mode points
vdump $imagedir/${casename}_circ_points.png

vgrid off
