GML Quick Facts
Format Type Identifier |
GML |
Reader/Writer |
Both |
Licensing Level |
Professional and above |
Dependencies |
None |
Dataset Type |
File |
Feature Type |
Varies depending on the GML application schema |
Typical File Extensions |
.gml, .xml |
Automated Translation Support |
Yes |
User-Defined Attributes |
Yes |
Coordinate System Support |
Yes |
Generic Color Support |
No |
Spatial Index |
Never |
Schema Required |
Yes |
Transaction Support |
No |
Geometry Type |
xml_type |
GML Geometry Support
Geometry |
Supported? |
aggregate |
yes |
circles |
no |
circular arc |
yes |
donut polygon |
yes |
elliptical arc |
no |
ellipses |
no |
line |
yes |
none |
yes |
point |
yes |
polygon |
yes |
raster |
no |
solid |
no |
surface |
no |
text |
no |
z values |
yes |