After testing, any point on the 80 coordinate system drawing is completely consistent with the 54 coordinate system drawing after seven-parameter conversion and coordinate conversion.
- Green versionView
- Green versionView
- Green versionView

How to use:
1. Clearly define the coordinate system before and after conversion;
2. Calculate the conversion parameters. The coordinate system before and after the transformation is consistent with the target of the coordinate system transformation;





















Useful
Useful
Useful