I seem to be unable to add a WorldImage layer in a custom oblique orthographic
projection.
See the full stack trace below. But I think I know what the issue is:
Caused by: org.geotools.referencing.operation.projection.ProjectionException:
Point outside hemisphere of projection. at
org.geotools.referencing.operation.projection.ObliqueOrthographic.inverseTransformNormalized(ObliqueOrthographic.java:96)
at
org.geotools.referencing.operation.projection.MapProjection$Inverse.transform(MapProjection.java:1050)
at
org.geotools.referencing.operation.projection.MapProjection$Inverse.transform(MapProjection.java:1109)
at
org.geotools.referencing.operation.transform.AbstractMathTransform.transform(AbstractMathTransform.java:218)
at org.geotools.referencing.CRS.transform(CRS.java:1391) at
org.geotools.referencing.CRS.transform(CRS.java:1471) at
org.geotools.referencing.CRS.transform(CRS.java:1299) at
org.geoserver.data.util.CoverageStoreUtils.getWGS84LonLatEnvelope(CoverageStoreUtils.java:279)
at
org.geoserver.catalog.CatalogBuilder.buildCoverageInternal(CatalogBuilder.java:999)
at org.geoserver.catalog.CatalogBuilder.buildCoverage(CatalogBuilder.java:944)
at org.geoserver.catalog.CatalogBuilder.buildCoverage(CatalogBuilder.java:893)
at
org.geoserver.web.data.layer.NewLayerPage.buildLayerInfo(NewLayerPage.java:422)
... 112 more
It seems it's trying to compute an envelope by using an inverse projection, and
it's applying this to either all of the pixels in the image, or the corners.
The image contains a full hemisphere, so it has no valid corners, and a large
number of the pixels will return an invalid inverse projection.
I've used this same layer and projection in GeoTools in the old application,
but I can't get past the "add layer" screen in GeoServer.
So I think this is a bug. If it's trying to compute the geographic extents, it
should take a measurement across the central axes of the file (+ instead of
[]). If it's doing the inverse of every pixel in the image, it should probably
just ignore the errant pixels. Another thing to watch out for is the oblique
nature, where the top of the image can be further south than pixels below it.
I can provide the layer data for testing. Unfortunately, I haven't been able to
tinker myself on this, as for some reason the source won't build on my kubuntu
18 system.
I could use any advice for how to fix this, and offer any of my experience with
this as well.
If I should submit this as a bug, just let me know where. I would also be
interested in knowing if there are other method of communication on this issue
that are faster than Email (IRC, etc).
Thanks,
Judd
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