lord help me why glsl

scripts/tile.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+# magick input.png -colorspace Gray -auto-level -dither FloydSteinberg -depth 8 output.png
+
+INPUT="$1"
+OUTPUT_DIR="tiles"
+
+#Create OUTPUT_DIR if it doesn't exist
+mkdir -p "$OUTPUT_DIR"
+
+#Get image dimensions
+WIDTH=$(identify -format "%w" "$INPUT")
+HEIGHT=$(identify -format "%h" "$INPUT")
+echo "Image dimensions: $WIDTH x $HEIGHT"
+
+#Tile dimensions
+TILE_WIDTH=8192
+TILE_HEIGHT=8192
+
+echo "Cutting image into tiles of ${TILE_WIDTH}x${TILE_HEIGHT}..."
+
+# Loop over vertical and horizontal positions
+count=0
+for (( y=0; y<HEIGHT; y+=TILE_HEIGHT )); do
+    for (( x=0; x<WIDTH; x+=TILE_WIDTH )); do
+
+        W=$(($TILE_WIDTH < $((WIDTH - x)) ? $TILE_WIDTH : $((WIDTH - x))))
+        H=$(($TILE_HEIGHT < $((HEIGHT - y)) ? $TILE_HEIGHT : $((HEIGHT - y))))
+
+        # Filename encodes position: tile_x<x>_y<y>_w<W>_h<H>.png
+        TILE_FILE="$OUTPUT_DIR/tile_x${x}_y${y}_w${W}_h${H}.png"
+        echo "Creating $TILE_FILE"
+        # convert "$INPUT" -crop "${TILE_WIDTH}x${TILE_HEIGHT}+${x}+${y}" +repage "$TILE_FILE"
+        vips extract_area "$INPUT" "$TILE_FILE" "$x" "$y" "$W" "$H"
+        ((count++))
+    done
+done
+
+echo "Done. $count tiles created."