From a61847cf793a55810f7f25bec89635fc7adabcef Mon Sep 17 00:00:00 2001
From: "kikitte.lee" <kikitte.lee@gmial.com>
Date: Fri, 3 Sep 2021 23:59:28 +0800
Subject: [PATCH] gdal2tiles: fix tile grid origin of openlayers with -p
 geodetic --tmscompatible --xyx as arguments

---
 gdal/swig/python/gdal-utils/osgeo_utils/gdal2tiles.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gdal/swig/python/gdal-utils/osgeo_utils/gdal2tiles.py b/gdal/swig/python/gdal-utils/osgeo_utils/gdal2tiles.py
index 8b81477a6dfe..820f237fae9e 100644
--- a/gdal/swig/python/gdal-utils/osgeo_utils/gdal2tiles.py
+++ b/gdal/swig/python/gdal-utils/osgeo_utils/gdal2tiles.py
@@ -2872,7 +2872,10 @@ def generate_openlayers(self) -> str:
             args['resolutions'] = '[' + ','.join('%.18g' % res for res in resolutions) + ']'
 
             if self.options.xyz:
-                args['origin'] = '[-180,90]'
+                if self.options.tmscompatible:
+                    args['origin'] = '[-180,90]'
+                else:
+                    args['origin'] = '[-180,270]'
                 args['y_formula'] = 'tileCoord[2]'
             else:
                 args['origin'] = '[-180,-90]'