Merge pull request OSGeo#11931 from ctoney/gtiff_creation_opt

GTiff: add a few missing default attributes in the creation option list

Author: rouault

frmts/gtiff/geotiff.cpp

@@ -1240,7 +1240,8 @@ void GDALRegister_GTiff()
         osOptions += ""
                      "   <Option name='PREDICTOR' type='int' "
                      "description='Predictor Type (1=default, 2=horizontal "
-                     "differencing, 3=floating point prediction)'/>";
+                     "differencing, 3=floating point prediction)' "
+                     "default='1'/>";
     osOptions +=
         ""
         "   <Option name='DISCARD_LSB' type='string' description='Number of "
@@ -1342,14 +1343,15 @@ void GDALRegister_GTiff()
         "       <Value>PIXEL</Value>"
         "   </Option>"
         "   <Option name='TILED' type='boolean' description='Switch to tiled "
-        "format'/>"
+        "format' default='NO'/>"
         "   <Option name='TFW' type='boolean' description='Write out world "
         "file'/>"
         "   <Option name='RPB' type='boolean' description='Write out .RPB "
         "(RPC) file'/>"
         "   <Option name='RPCTXT' type='boolean' description='Write out "
         "_RPC.TXT file'/>"
-        "   <Option name='BLOCKXSIZE' type='int' description='Tile Width'/>"
+        "   <Option name='BLOCKXSIZE' type='int' description='Tile Width' "
+        "default='256'/>"
         "   <Option name='BLOCKYSIZE' type='int' description='Tile/Strip "
         "Height'/>"
         "   <Option name='PHOTOMETRIC' type='string-select'>"
@@ -1384,7 +1386,7 @@ void GDALRegister_GTiff()
         "       <Value>SIGNEDBYTE</Value>"
         "   </Option>"
         "   <Option name='BIGTIFF' type='string-select' description='Force "
-        "creation of BigTIFF file'>"
+        "creation of BigTIFF file' default='IF_NEEDED'>"
         "     <Value>YES</Value>"
         "     <Value>NO</Value>"
         "     <Value>IF_NEEDED</Value>"