Martin Landa 88f66da383 barscale thumbnails: gui/images/barscales moved to display/d.barscale/thumbnails 11 jaren geleden
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README 88f66da383 barscale thumbnails: gui/images/barscales moved to display/d.barscale/thumbnails 11 jaren geleden
arrow_ends.png 88f66da383 barscale thumbnails: gui/images/barscales moved to display/d.barscale/thumbnails 11 jaren geleden
both_ticks.png 88f66da383 barscale thumbnails: gui/images/barscales moved to display/d.barscale/thumbnails 11 jaren geleden
classic.png 88f66da383 barscale thumbnails: gui/images/barscales moved to display/d.barscale/thumbnails 11 jaren geleden
down_ticks.png 88f66da383 barscale thumbnails: gui/images/barscales moved to display/d.barscale/thumbnails 11 jaren geleden
full_checker.png 88f66da383 barscale thumbnails: gui/images/barscales moved to display/d.barscale/thumbnails 11 jaren geleden
hollow.png 88f66da383 barscale thumbnails: gui/images/barscales moved to display/d.barscale/thumbnails 11 jaren geleden
line.png 88f66da383 barscale thumbnails: gui/images/barscales moved to display/d.barscale/thumbnails 11 jaren geleden
mixed_checker.png 88f66da383 barscale thumbnails: gui/images/barscales moved to display/d.barscale/thumbnails 11 jaren geleden
part_checker.png 88f66da383 barscale thumbnails: gui/images/barscales moved to display/d.barscale/thumbnails 11 jaren geleden
solid.png 88f66da383 barscale thumbnails: gui/images/barscales moved to display/d.barscale/thumbnails 11 jaren geleden
tail_checker.png 88f66da383 barscale thumbnails: gui/images/barscales moved to display/d.barscale/thumbnails 11 jaren geleden
up_ticks.png 88f66da383 barscale thumbnails: gui/images/barscales moved to display/d.barscale/thumbnails 11 jaren geleden

README

How to generate new scale bar thumbnail
=======================================
Expects North Carolina dataset. The thumbnail height should be 24 px.


export GRASS_RENDER_IMMEDIATE=png
export GRASS_TRUECOLOR=TRUE
export GRASS_WIDTH=300
export GRASS_HEIGHT=300
g.region rast=elevation

for STYLE in classic line solid hollow full_checker part_checker mixed_checker tail_checker up_ticks down_ticks both_ticks arrow_ends
do
echo ${STYLE}
export GRASS_PNGFILE=${STYLE}.png
d.barscale style=${STYLE} at=20,20
mogrify -trim ${STYLE}.png
identify -format "%[fx:w]x%[fx:h]" ${STYLE}.png
convert ${STYLE}.png -gravity center -background white -extent 170x24 ${STYLE}.png
optipng -o5 ${STYLE}.png ${STYLE}.png --quiet
done