generate_tiles

#!/usr/bin/env bash
DIR_MAPNIK="/root/map1/mapnik"
DIR_STYLESHEETS="/root/map1/stylesheets"


#OUTPUT_LAYERS="landcover gridinfo"

#LAYER_OPTIONS='{}'

#OUTPUT_LAYERS="fishnet"

ALL_ZOOMS="5,6,7,8,9,10,11,12,13,14,15,16,17"
REGIONS="Czech republic"
MODE="overwrite"

echo "Usage: generate_tiles [options]"
echo "OPTIONS:"
echo " -z zooms       Coma delimited zooms to render"
echo " -r regions     Coma delimited regions to render"
echo " -m             Writing mode ('overwrite','remove','continue')"
echo ""


while getopts "z:r:m:l:" OPT; do
	case $OPT in
		z)
			ALL_ZOOMS=$OPTARG
		;;
		r)
			REGIONS=$OPTARG
		;;
		m)
			MODE=$OPTARG
			if echo $MODE | grep -Eqv "^(overwrite|remove|continue)$"; then
				echo "Invalid mode, possible values are ('overwrite','remove','continue')\n"
				exit 1
			fi
		;;
		l)
			RENDER_LAYER=$OPTARG			
		;;
		\?)
			exit 1
		;;
	esac	
done

MAPNIK_TILE_DIR="../map/tiles/"

export MAPNIK_TILE_DIR
export REGIONS
export MODE




DIR_BACKUP=`pwd`

for ZOOMS in ${ALL_ZOOMS//,/ }; do
	export ZOOMS		
	
	if [ $ZOOMS -ge 9 ]; then
		#OUTPUT_LAYERS="countryfill landcover hillshade building boundary way,contour,fishnet,route,symbol text,countrytext gridinfo"
		OUTPUT_LAYERS="countryfill landcover hillshade building boundary way,contour,fishnet,symbol text gridinfo"
		OUTPUT_LAYERS="countryfill landcover hillshade building boundary way,contour,fishnet,symbol text"
		#OUTPUT_LAYERS="landcover"
		
		LAYER_OPTIONS='{"2":{"colorToAlpha": [255,255,255,255], "opacity": 1.0},"4":{"colorToAlpha": [255,255,255,255], "opacity": 0.5}}'	
		#LAYER_OPTIONS='{"1":{"colorToAlpha": [255,255,255,255], "opacity": 1.0},"6":{"colorToAlpha": [255,255,255,255], "opacity": 0.5}}'	
	else
		OUTPUT_LAYERS="countryfill landcover hillshade boundary way,fishnet,symbol text,countrytext gridinfo"
		#OUTPUT_LAYERS="way"
		LAYER_OPTIONS='{"2":{"colorToAlpha": [255,255,255,255], "opacity": 1.0},"3":{"colorToAlpha": [255,255,255,255], "opacity": 0.5}}'
		#LAYER_OPTIONS='{"2":{"colorToAlpha": [255,255,255,255], "opacity": 1.0},"3":{"colorToAlpha": [255,255,255,255], "opacity": 0.5}}'
	fi
	
	export OUTPUT_LAYERS
	export LAYER_OPTIONS
				
	MAPNIK_MAP_FILES=""	
	for LAYER in $OUTPUT_LAYERS; do		
		export LAYER_OPTIONS
		if [ $ZOOMS -ge 20 ]; then
			MAPNIK_MAP_FILES="$MAPNIK_MAP_FILES;$DIR_STYLESHEETS/%(country)s/%(zooms)s/~map-$LAYER.xml"
		elif [ $ZOOMS -ge 9 ]; then
			MAPNIK_MAP_FILES="$MAPNIK_MAP_FILES;$DIR_STYLESHEETS/eu_100/%(zooms)s/~map-$LAYER.xml"
		else
			MAPNIK_MAP_FILES="$MAPNIK_MAP_FILES;$DIR_STYLESHEETS/eu_1000/%(zooms)s/~map-$LAYER.xml"
		fi
	done	

	cd $DIR_MAPNIK
	
	
	export MAPNIK_MAP_FILES

	if [ $MODE = "remove" ]; then
		rm -rf "../map/tiles"
		mkdir "../map/tiles"
	fi
	
	time ./generate_tiles.py

done

#unlink "$DIR_STYLESHEETS/$STYLESHEET/~map.xml"

cd $DIR_BACKUP