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Modified Makefile template to preserve ESRI World Files (.tfw) #51

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Modified Makefile template to preserve ESRI World Files (.tfw) #51

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7 changes: 6 additions & 1 deletion elevation/datasource.mk
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Original file line number Diff line number Diff line change
Expand Up @@ -2,12 +2,15 @@
DATASOURCE_URL := {datasource_url}
PRODUCT := {product}
TILE_EXT := {tile_ext}
FTW_EXT := .tfw
COMPRESSED_PRE_EXT = {compressed_pre_ext}
COMPRESSED_EXT := {compressed_ext}

ENSURE_TILE_PATHS := $(foreach n,$(ENSURE_TILES),cache/$n)
STDERR_SWITCH := 2>/dev/null

$(info DEM files covered $(ENSURE_TILES))

all: $(PRODUCT).vrt

$(PRODUCT).vrt: $(shell find cache -size +0 -name "*.tif" 2>/dev/null)
Expand All @@ -18,7 +21,8 @@ spool/%$(COMPRESSED_EXT):
curl -s -o $@.temp $(DATASOURCE_URL)/$*$(COMPRESSED_EXT) && mv $@.temp $@

spool/%$(TILE_EXT): spool/%$(COMPRESSED_PRE_EXT).zip
unzip -qq -d spool $< $*$(TILE_EXT) $(STDERR_SWITCH) || touch $@
unzip -qq -d spool $< $*$(TILE_EXT) $*$(FTW_EXT) $(STDERR_SWITCH) || touch $@
mv spool/$*$(FTW_EXT) cache/

spool/%$(TILE_EXT): spool/%$(COMPRESSED_PRE_EXT).gz
gunzip $< $(STDERR_SWITCH) || touch $@
Expand All @@ -43,6 +47,7 @@ info:

clean:
find cache -size 0 -name "*.tif" -delete
find cache -size 0 -name "*.tfw" -delete
$(RM) $(PRODUCT).*.vrt
$(RM) -r spool/*

Expand Down