The TransformXY methods transforms the coordinates of geometries in arbitrary ways via a user-supplied mapping. It should be obvious that this potentially could cause invalid results. For example, the mapping could trivially map every coordinate pair of a polygon to the same point. In practice, transformations are either affine (translation, rotation, scaling), or, at the very least, topologically preserving (e.g. WGS84 to a Mercator or Conic projection).
This change removes the choice to validate or not in TransformXY methods, always omitting a validation step. Users can still validate manually via the Validate method if they wish to.
Check List
Have you:
Added unit tests? No, however existing tests have been updated.
Add cmprefimpl tests? (if appropriate?) N/A.
Updated release notes? (if appropriate?) No, release notes will be updated when all ctor option related changes have been made.
Description
The
TransformXY
methods transforms the coordinates of geometries in arbitrary ways via a user-supplied mapping. It should be obvious that this potentially could cause invalid results. For example, the mapping could trivially map every coordinate pair of a polygon to the same point. In practice, transformations are either affine (translation, rotation, scaling), or, at the very least, topologically preserving (e.g. WGS84 to a Mercator or Conic projection).This change removes the choice to validate or not in
TransformXY
methods, always omitting a validation step. Users can still validate manually via theValidate
method if they wish to.Check List
Have you:
Added unit tests? No, however existing tests have been updated.
Add cmprefimpl tests? (if appropriate?) N/A.
Updated release notes? (if appropriate?) No, release notes will be updated when all ctor option related changes have been made.
Related Issue