auto-sync: 2026-05-14 01:40:01

tasks/enduro-trails/scripts/gen_tri_dual.sh

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