puts "============"
puts "OCC28004"
puts "Visualization, AIS_ColorScale - allow defining labels list not equal to intervals list"
puts "============"
puts ""

vclear
vinit View1
vaxo

# create default color scale
vcolorscale cs1 -demo -smooth 0 -xy  0 0
vcolorscale cs2 -demo -smooth 1 -xy 60 0
foreach {y aColor} {20 RED 60 DARKORANGE1 100 GOLD 140 GREENYELLOW 180 CHARTREUSE2 220 GREEN 250 MEDIUMSPRINGGREEN 290 CYAN1 330 DODGERBLUE1 370 BLUE1} { if { [vreadpixel 15 $y rgb name] != "$aColor" } { puts "Error: wrong color at $y" } }
foreach {y aColor} {20 RED 60 DARKORANGE1 100 GOLD 140 GREENYELLOW 180 CHARTREUSE2 220 GREEN 250 MEDIUMSPRINGGREEN 290 CYAN1 330 DODGERBLUE1 370 BLUE1} { if { [vreadpixel 15 $y rgb name] != "$aColor" } { puts "Error: wrong color at $y" } }

# reduce color scale range and number of intervals
vcolorscale cs3 -range 0 20 5 -font 16 -colors white 0 0 1 green 1 0 0 1 1 1 -labels start 1 2 3 4 end -smooth 0 -xy 120 0
vcolorscale cs4 -range 0 20 5 -font 16 -colors white 0 0 1 green 1 0 0 1 1 1 -labels start 1 2 3 4 end -smooth 1 -xy 180 0
foreach {y aColor} {40 WHITE 120 RED 200 GREEN 280 BLUE1 350 WHITE} { if { [vreadpixel 135 $y rgb name] != "$aColor" } { puts "Error: wrong color at $y" } }

# color scale with overridden hue range
vcolorscale cs5 -demo -smooth 0 -hueRange 300 130 -xy 240 0
vcolorscale cs6 -demo -smooth 1 -hueRange 300 130 -xy 300 0
foreach {y aColor} {20 GREEN 60 SPRINGGREEN 100 CYAN2 140 TURQUOISE2 180 DODGERBLUE1 220 BLUE1       250 BLUE1 290 BLUEVIOLET 330 PURPLE 370 MAGENTA1} { if { [vreadpixel 245 $y rgb name] != "$aColor" } { puts "Error: wrong color at $y" } }
foreach {y aColor} {20 GREEN 60 SPRINGGREEN 100 CYAN2 140 TURQUOISE2 180 DODGERBLUE1 220 DODGERBLUE2 250 BLUE1 290 BLUE1      330 PURPLE 370 MAGENTA2} { if { [vreadpixel 315 $y rgb name] != "$aColor" } { puts "Error: wrong color at $y" } }

# free labels
vcolorscale cs7 -demo -smooth 0 -colorRange BLACK WHITE -xy 360 0 -freeLabels 3 l1 l2 l3

vdump ${imagedir}/${casename}.png