GridGeometry improvements
-------------------------
Key: GEOT-701
URL: http://jira.codehaus.org/browse/GEOT-701
Project: GeoTools
Type: Improvement
Components: geometry
Versions: 2.2.M1
Reporter: Alessio Fabiani
Proposal for some changes to the GridGeometry classes in order to avoid several
potentially dangerous inconsistencies:
1) GridGeometry2D should be responsible of the internal representation of the
GridCoverage2D grid. In other words the GridGeometry2D constructor would do
checks for axis swapping and so on, not the GridCoverage2D one.
2) GridGeometry should be more independent from the Coverages. For example we
could add an Envelope property representing the real world coordinates to the
GridGeometry class which contains even the GridGeometry CRS. If no CRS is
specified in the Envelope we assume DefaultWGS84.
3) We could remove all the GeneralGridGeomery constructors except the following:
public GeneralGridGeometry (final GridRange gridRange, final Envelope
userRange (+ CRS/WGS84 as default), boolean[] reverse, boolean swapXY)
public GeneralGridGeometry (final GridRange gridRange, final MathTransform
gridToCoordinate, CoordinateReferenceSystem userCRS)
and for the GridGeometry2D:
public GeneralGridGeometry2D (final GridRange gridRange, final Envelope
userRange (+ CRS/WGS84 as default))
public GeneralGridGeometry2D (final GridRange gridRange, final
MathTransform gridToCoordinate, CoordinateReferenceSystem userCRS)
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