Talk:Color tables - Revision history

Neteler: few fixes & cosmetics

2009-09-13T20:58:38Z

few fixes & cosmetics

← Older revision		Revision as of 20:58, 13 September 2009
Line 4:		Line 4:
	<source lang="bash">		<source lang="bash">
	#!/bin/sh		#!/bin/sh

			# customize this:
			ADDON_DIR="/path/to/grass/svn/grass-addons/raster/r.colors.tools/palettes"

			g.region n=100 s=0 w=0 e=450 res=1

	d.mon x0		d.mon x0
Line 10:		Line 15:
	COLOR_DIR="$GISBASE/etc/colors/"		COLOR_DIR="$GISBASE/etc/colors/"
	cd "$COLOR_DIR"		cd "$COLOR_DIR"
	RELATIVE=`grep '%' * \| cut -f1 -d: \| uniq`		RELATIVE=`grep '%' * \| cut -f1 -d: \| grep -v "matches" \| uniq`
	ABSOLUTE=`grep -v '%' * \| cut -f1 -d: \| uniq`		ABSOLUTE=`grep -v '%' * \| cut -f1 -d: \| grep -v "matches" \| uniq`
	MIXED=`grep '%' $ABSOLUTE \| cut -f1 -d: \| uniq`		MIXED=`grep '%' $ABSOLUTE \| cut -f1 -d: \| grep -v "matches" \| uniq`

			GRASS_OVERWRITE=1
			export GRASS_OVERWRITE

	OUTPUT_DIR=/tmp/grass/colortables/		OUTPUT_DIR=/tmp/grass/colortables/
	mkdir -p $~~DIR~~		rm -rf $OUTPUT_DIR
			mkdir -p $OUTPUT_DIR
	cd $OUTPUT_DIR		cd $OUTPUT_DIR

Line 87:		Line 95:

	### custom scales		### custom scales
	~~ADDON_DIR="/path/to/grass/svn/grass-addons/raster/r.colors.tools/palettes"~~
	for CTABLE in `ls $ADDON_DIR` ; do		for CTABLE in `ls $ADDON_DIR` ; do
	MIN=`awk '{print $1}' "$ADDON_DIR/$CTABLE" \| sort -n \| grep -v '^#\\|^nv' \| head -n 1`		MIN=`awk '{print $1}' "$ADDON_DIR/$CTABLE" \| sort -n \| grep -v '^#\\|^nv' \| head -n 1`
Line 100:		Line 107:

	done		done

			echo "Files written to <$OUTPUT_DIR>"
	</source>		</source>

Line 109:		Line 118:
	<source lang="bash">		<source lang="bash">
	#!/bin/sh		#!/bin/sh

			# customize this:
			ADDON_DIR="/path/to/grass/svn/grass-addons/raster/r.colors.tools/palettes"

			g.region n=85 s=0 w=0 e=15 res=1

	d.mon x0		d.mon x0
	d.resize h=85 w=15		d.resize h=85 w=15
Line 115:		Line 129:
	COLOR_DIR="$GISBASE/etc/colors/"		COLOR_DIR="$GISBASE/etc/colors/"
	cd "$COLOR_DIR"		cd "$COLOR_DIR"
	RELATIVE=`grep '%' * \| cut -f1 -d: \| uniq`
	ABSOLUTE=`grep -v '%' * \| cut -f1 -d: \| uniq`		RELATIVE=`grep '%' * \| cut -f1 -d: \| grep -v "matches" \| uniq`
	MIXED=`grep '%' $ABSOLUTE \| cut -f1 -d: \| uniq`		ABSOLUTE=`grep -v '%' * \| cut -f1 -d: \| grep -v "matches" \| uniq`
			MIXED=`grep '%' $ABSOLUTE \| cut -f1 -d: \| grep -v "matches" \| uniq`

			GRASS_OVERWRITE=1
			export GRASS_OVERWRITE

	OUTPUT_DIR=/tmp/grass/colortables/		OUTPUT_DIR=/tmp/grass/colortables/
	mkdir -p $~~DIR~~		rm -rf $OUTPUT_DIR
			mkdir -p $OUTPUT_DIR
	cd $OUTPUT_DIR		cd $OUTPUT_DIR


	draw_and_output()		draw_and_output()
Line 189:		Line 206:

	### custom scales		### custom scales
	~~ADDON_DIR="/path/to/grass/svn/grass-addons/raster/r.colors.tools/palettes"~~
	for CTABLE in `ls $ADDON_DIR` ; do		for CTABLE in `ls $ADDON_DIR` ; do
	MIN=`awk '{print $1}' "$ADDON_DIR/$CTABLE" \| sort -n \| grep -v '^#\\|^nv' \| head -n 1`		MIN=`awk '{print $1}' "$ADDON_DIR/$CTABLE" \| sort -n \| grep -v '^#\\|^nv' \| head -n 1`
Line 202:		Line 218:

	done		done

			echo "Files written to <$OUTPUT_DIR>"
	</source>		</source>

⚠️HamishBowman: thumbs

2009-09-10T08:43:15Z

thumbs

@@ Line 99: / Line 99: @@
    draw_and_output $CTABLE
 done
 </source>

⚠️HamishBowman at 07:51, 26 August 2009

2009-08-26T07:51:31Z

← Older revision		Revision as of 07:51, 26 August 2009
Line 57:		Line 57:

	if [ $CTABLE = "population" ] ; then		if [ $CTABLE = "population" ] ; then
	MAX=~~2000000~~		MAX=2500000
	fi		fi

Line 87:		Line 87:

	### custom scales		### custom scales
	ADDON_DIR="/~~usr~~/~~src~~/grass/svn/grass-addons/raster/r.colors.tools/palettes"		ADDON_DIR="/path/to/grass/svn/grass-addons/raster/r.colors.tools/palettes"
	for CTABLE in `ls $ADDON_DIR` ; do		for CTABLE in `ls $ADDON_DIR` ; do
	MIN=`awk '{print $1}' "$ADDON_DIR/$CTABLE" \| sort -n \| grep -v '^#\\|^nv' \| head -n 1`		MIN=`awk '{print $1}' "$ADDON_DIR/$CTABLE" \| sort -n \| grep -v '^#\\|^nv' \| head -n 1`

⚠️HamishBowman: moved Talk:Raster color tables to Talk:Color tables: they work for v.colors too

2009-08-26T07:07:42Z

moved Talk:Raster color tables to Talk:Color tables: they work for v.colors too

← Older revision	Revision as of 07:07, 26 August 2009
(No difference)

⚠️HamishBowman: script

2009-08-26T06:57:38Z

script

New page

Script to generate the images on this page:<BR>
''by H.Bowman'' (GRASS wiki license)

<source lang="bash">
#!/bin/sh

d.mon x0
d.resize h=100 w=450

COLOR_DIR="$GISBASE/etc/colors/"
cd "$COLOR_DIR"
RELATIVE=`grep '%' * | cut -f1 -d: | uniq`
ABSOLUTE=`grep -v '%' * | cut -f1 -d: | uniq`
MIXED=`grep '%' $ABSOLUTE | cut -f1 -d: | uniq`

OUTPUT_DIR=/tmp/grass/colortables/
mkdir -p $DIR
cd $OUTPUT_DIR

draw_and_output()
{
d.erase
d.font Vera

d.legend grad -c at=55,90,4,96 --quiet

echo "$1" | d.text at=50,22 align=lc size=20 color=black

d.out.file Colortable_$1 --quiet --overwrite
}

### relative scales. run first so tables like differences with both
### will overwrite
r.mapcalc "grad = row()/1.0"

for CTABLE in $RELATIVE ; do
echo "[$CTABLE]"

r.colors grad color=$CTABLE --quiet
draw_and_output $CTABLE

#read
done

### absolute scales.
for CTABLE in $ABSOLUTE ; do
MIN=`awk '{print $1}' "$COLOR_DIR/$CTABLE" | sort -n | grep -v '^#\|^nv' | head -n 1`
MAX=`awk '{print $1}' "$COLOR_DIR/$CTABLE" | sort -n | grep -v '^#\|^nv' | tail -n 1`

if [ `echo "$MIN" | grep -c '%'` -gt 0 ] || \
[ `echo "$MAX" | grep -c '%'` -gt 0 ] ; then
continue
fi

if [ $CTABLE = "population" ] ; then
MAX=2000000
fi

echo "[$CTABLE $MIN $MAX]"

GRASS_VERBOSE=0 \
r.mapcalc "grad = if(row()==1, 1.0 * $MIN, $MAX)"

r.colors grad color=$CTABLE --quiet
draw_and_output $CTABLE

done

### mixed scales
for CTABLE in $MIXED ; do
MIN=-0.04
MAX=0.04

GRASS_VERBOSE=0 \
r.mapcalc "grad = if(row()==1, 1.0 * $MIN, $MAX)"

r.colors grad color=$CTABLE --quiet
draw_and_output $CTABLE

done

### custom scales
ADDON_DIR="/usr/src/grass/svn/grass-addons/raster/r.colors.tools/palettes"
for CTABLE in `ls $ADDON_DIR` ; do
MIN=`awk '{print $1}' "$ADDON_DIR/$CTABLE" | sort -n | grep -v '^#\|^nv' | head -n 1`
MAX=`awk '{print $1}' "$ADDON_DIR/$CTABLE" | sort -n | grep -v '^#\|^nv' | tail -n 1`
echo "[$CTABLE $MIN $MAX]"

GRASS_VERBOSE=0 \
r.mapcalc "grad = if(row()==1, 1.0 * $MIN, $MAX)"

r.colors grad rules="$ADDON_DIR/$CTABLE" --quiet
draw_and_output $CTABLE

done
</source>