From 4d17fc51d9593b940514b462112e0f8ca693fe3e Mon Sep 17 00:00:00 2001
From: Stream <stream@openclaw>
Date: Thu, 14 May 2026 00:50:11 +0300
Subject: [PATCH] auto-sync: 2026-05-14 00:50:01

---
 tasks/enduro-trails/scripts/gen_tri_v4.sh | 64 +++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 tasks/enduro-trails/scripts/gen_tri_v4.sh

diff --git a/tasks/enduro-trails/scripts/gen_tri_v4.sh b/tasks/enduro-trails/scripts/gen_tri_v4.sh
new file mode 100644
index 0000000..e612229
--- /dev/null
+++ b/tasks/enduro-trails/scripts/gen_tri_v4.sh
@@ -0,0 +1,64 @@
+#!/bin/bash
+set -e
+
+echo '=== REGENERATE TRI TILES - higher thresholds (x1.5) ==='
+echo "Start: $(date)"
+
+TMP='/tmp/tri_gen'
+TERRAIN_DIR='/home/slin/enduro-trails/data/terrain'
+TRI_DIR="${TERRAIN_DIR}/tri"
+
+cat > $TMP/tri_color_v4.txt << 'RAMP'
+nv    0    0    0    0
+0     0    0    0    0
+5     0    0    0    0
+6     255  255  100  60
+7.5   255  230  50   100
+10    255  200  0    140
+13    255  150  0    180
+20    255  100  0    200
+30    230  50   0    220
+40    200  0    0    235
+60    180  0   50    245
+100   150  0   100   255
+RAMP
+
+echo 'Color ramp:'
+cat $TMP/tri_color_v4.txt
+
+echo ''
+echo '=== Step 1: Color relief ==='
+gdaldem color-relief \
+  $TMP/tri_raw_full.tif \
+  $TMP/tri_color_v4.txt \
+  $TMP/tri_colored_v4.tif \
+  -alpha \
+  -of GTiff \
+  -co COMPRESS=LZW \
+  -co BIGTIFF=YES
+
+echo ''
+echo '=== Step 2: Generate tiles (bilinear) ==='
+rm -rf ${TRI_DIR}
+mkdir -p ${TRI_DIR}
+
+gdal2tiles.py \
+  --zoom=5-12 \
+  --processes=4 \
+  --tilesize=256 \
+  --resampling=bilinear \
+  --webviewer=none \
+  $TMP/tri_colored_v4.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)"