X-Git-Url: https://git.openstreetmap.org./chef.git/blobdiff_plain/8da4be887969f3ee09e0659f76e5b3c52bf7a570..1a062eb5304d0ef835313e5948053fcdccf20ecf:/cookbooks/imagery/files/default/osstvw_make_diffs

diff --git a/cookbooks/imagery/files/default/osstvw_make_diffs b/cookbooks/imagery/files/default/osstvw_make_diffs
index 5dbfec703..636c6f334 100644
--- a/cookbooks/imagery/files/default/osstvw_make_diffs
+++ b/cookbooks/imagery/files/default/osstvw_make_diffs
@@ -30,8 +30,8 @@ for (( i=0; i<${OSSV_EDITIONS_LENGTH}; i++ )); do
         if [ ! -f "${FILE_1}" ]; then
           FILE_1="${OSSV_EDITIONS_TMP}/blue.png"
         fi
-        # Skip existing files
-        if [ ! -f "${OSSV_DIFF_NAME}/${FILE}" ]; then
+        # Skip existing files or excluded files
+        if [ ! -f "${OSSV_DIFF_NAME}/${FILE}" ] && [ ! -f "${OSSV_DIFF_NAME}/${FILE}.skip" ]; then
           echo Creating diff ${OSSV_EDITIONS[$i]} ${OSSV_EDITIONS[$o]} "${FILE_1}" "${OSSV_DIFF_NAME}/${FILE}"
           # Background compare + gdalcopyproj
           ((compare -quiet "${FILE_1}" "${FILE_2}" -compose Src -highlight-color Red -lowlight-color 'rgba(255,255,255,0)' -define tiff:tile-geometry=512x512 "${OSSV_DIFF_NAME}/${FILE}" || true) && python ${GDALCOPYPROJ} "${FILE_2}" "${OSSV_DIFF_NAME}/${FILE}" ) &
@@ -48,11 +48,13 @@ for (( i=0; i<${OSSV_EDITIONS_LENGTH}; i++ )); do
       # Wait for background jobs to finish
       wait
 
+      echo "Removing empty diffs"
       # TIF cleanup loop for images which have no diff
       while IFS= read -r -d $'\0' FILE; do
         ( FILE_COLOURS=$(identify -quiet -format '%k' "${OSSV_DIFF_NAME}/${FILE}")
         if [ "$FILE_COLOURS" -lt "2" ]; then
           rm -f "${OSSV_DIFF_NAME}/${FILE}"
+          touch "${OSSV_DIFF_NAME}/${FILE}.skip"
         fi ) &
 
         # Check how many background processes and wait if exceed
@@ -61,10 +63,14 @@ for (( i=0; i<${OSSV_EDITIONS_LENGTH}; i++ )); do
           sleep 1   # this is not optimal, but you can't use wait here
           running=($(jobs -rp))
         done
-      done < <(find "${OSSV_DIFF_NAME}" -maxdepth 1 -name '*.tif' -printf '%f\0')
+      done < <(find "${OSSV_DIFF_NAME}" -maxdepth 1 -name '*.tif' -size -180000c -printf '%f\0')
+      # Wait for background jobs to finish
+      wait
+      if [ ! -f "ossv-${OSSV_DIFF_NAME}-combined.vrt" ]; then
+        gdalbuildvrt -resolution highest -hidenodata "ossv-${OSSV_DIFF_NAME}-combined.vrt" ${OSSV_DIFF_NAME}/*.tif
+      fi
     fi
   done
 done
-echo Now create the VRT and external overview layers
-echo 1: gdalbuildvrt -resolution highest -hidenodata diffXYZ.vrt diff/*.tif
-echo 2: gdaladdo --config GDAL_CACHEMAX=16000 -ro --config COMPRESS DEFLATE --config COMPRESS_OVERVIEW DEFLATE --config ZLEVEL 9 --config BIGTIFF_OVERVIEW IF_SAFER --config GDAL_TIFF_OVR_BLOCKSIZE 512 -r average ossv-2016-04-combined.vrt 4 16 64 256 1024 4096
+echo Now create external overview layers
+echo eg: gdaladdo --config GDAL_CACHEMAX=16000 -ro --config COMPRESS DEFLATE --config COMPRESS_OVERVIEW DEFLATE --config ZLEVEL 9 --config BIGTIFF_OVERVIEW IF_SAFER --config GDAL_TIFF_OVR_BLOCKSIZE 512 -r average ossv-2016-04-combined.vrt 4 16 64 256 1024 4096