101 lines
2.3 KiB
Bash
101 lines
2.3 KiB
Bash
#!/bin/bash
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set -e
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echo '=== TRI TILES: dual thresholds (z5-8 soft, z9-12 strict) ==='
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echo "Start: $(date)"
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TMP='/tmp/tri_gen'
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TERRAIN_DIR='/home/slin/enduro-trails/data/terrain'
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TRI_DIR="${TERRAIN_DIR}/tri"
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# === SOFT ramp for overview zooms (z5-8) — start at TRI=3 ===
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cat > $TMP/tri_color_soft.txt << 'RAMP'
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nv 0 0 0 0
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0 0 0 0 0
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2 0 0 0 0
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3 255 255 100 40
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5 255 230 50 80
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8 255 200 0 120
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12 255 150 0 160
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18 255 100 0 190
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25 230 50 0 210
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35 200 0 0 230
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50 180 0 50 245
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80 150 0 100 255
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RAMP
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# === STRICT ramp for detail zooms (z9-12) — start at TRI=10 ===
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cat > $TMP/tri_color_strict.txt << 'RAMP'
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nv 0 0 0 0
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0 0 0 0 0
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9 0 0 0 0
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10 255 255 100 60
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14 255 230 50 100
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18 255 200 0 140
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24 255 150 0 180
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35 255 100 0 200
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45 230 50 0 220
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60 200 0 0 235
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80 180 0 50 245
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100 150 0 100 255
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RAMP
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echo 'Soft ramp (z5-8):'
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cat $TMP/tri_color_soft.txt
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echo ''
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echo 'Strict ramp (z9-12):'
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cat $TMP/tri_color_strict.txt
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echo ''
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echo '=== Step 1: Generate soft colored TRI ==='
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gdaldem color-relief \
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$TMP/tri_raw_full.tif \
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$TMP/tri_color_soft.txt \
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$TMP/tri_colored_soft.tif \
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-alpha -of GTiff -co COMPRESS=LZW -co BIGTIFF=YES
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echo ''
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echo '=== Step 2: Generate strict colored TRI ==='
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gdaldem color-relief \
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$TMP/tri_raw_full.tif \
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$TMP/tri_color_strict.txt \
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$TMP/tri_colored_strict.tif \
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-alpha -of GTiff -co COMPRESS=LZW -co BIGTIFF=YES
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echo ''
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echo '=== Step 3: Generate tiles z5-8 (soft) ==='
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rm -rf ${TRI_DIR}
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mkdir -p ${TRI_DIR}
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gdal2tiles.py \
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--zoom=5-8 \
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--processes=4 \
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--tilesize=256 \
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--resampling=bilinear \
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--webviewer=none \
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$TMP/tri_colored_soft.tif \
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${TRI_DIR}/
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echo ''
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echo '=== Step 4: Generate tiles z9-12 (strict) ==='
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gdal2tiles.py \
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--zoom=9-12 \
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--processes=4 \
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--tilesize=256 \
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--resampling=bilinear \
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--webviewer=none \
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$TMP/tri_colored_strict.tif \
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${TRI_DIR}/
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echo ''
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echo '=== Stats ==='
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for z in 5 6 7 8 9 10 11 12; do
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total=$(find ${TRI_DIR}/$z/ -name '*.png' 2>/dev/null | wc -l)
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nonempty=$(find ${TRI_DIR}/$z/ -name '*.png' -size +400c 2>/dev/null | wc -l)
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echo " zoom $z: $total total, $nonempty non-empty"
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done
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du -sh ${TRI_DIR}
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echo '=== DONE ==='
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echo "End: $(date)"
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