Re: [Geoserver-users] MapProjection doesn't converge

Ben Caradoc-Davies Fri, 27 Oct 2017 18:24:00 -0700

And it is easy to end up outside the area of projection validity byusing the wrong axis order in some part of your request. How did youspecify the coordinates of your request?


Kind regards,
Ben.


On 28/10/17 03:51, Andrea Aime wrote:

Ciao Matteo,
this error usually happens when a projection is used far away from its area
of definition.
Which are the source and target projections, and the area in which you're
working?
Also, did you fiddle with the "advanced projection handling" WMS settings
(are they off by any chance)?

Cheers
Andrea


On Fri, Oct 27, 2017 at 4:41 PM, Matteo Cusmai <cusmaimat...@gmail.com>
wrote:

Hi all,
I have a problem with geoserver, but the error is related to geotools.

For different layers I receive the following log:

org.geotools.referencing.operation.projection.ProjectionException:
Transformation doesn't convergence.
     at org.geotools.referencing.operation.projection.
MapProjection.inv_mlfn(MapProjection.java:1399)
     at org.geotools.referencing.operation.projection.TransverseMercator.
inverseTransformNormalized(TransverseMercator.java:217)
     at org.geotools.referencing.operation.projection.
MapProjection$Inverse.transform(MapProjection.java:1050)
     at org.geotools.referencing.operation.projection.
MapProjection$Inverse.transform(MapProjection.java:1105)
     at org.geotools.referencing.operation.transform.ConcatenatedTransform.
transform(ConcatenatedTransform.java:440)
     at org.geotools.referencing.operation.transform.
ConcatenatedTransformDirect.transform(ConcatenatedTransformDirect.java:80)
     at org.geotools.geometry.jts.Decimator.decimateTransformGeneralize(
Decimator.java:479)
     at org.geotools.geometry.jts.Decimator.decimateTransformGeneralize(
Decimator.java:283)
     at org.geotools.geometry.jts.Decimator.decimateTransformGeneralize(
Decimator.java:241)
     at org.geotools.renderer.lite.StreamingRenderer$RenderableFeature.
getTransformedShape(StreamingRenderer.java:3123)
     at org.geotools.renderer.lite.StreamingRenderer$
RenderableFeature.getShape(StreamingRenderer.java:3066)
     at org.geotools.renderer.lite.StreamingRenderer.processSymbolizers(
StreamingRenderer.java:2549)
     at org.geotools.renderer.lite.StreamingRenderer.processFeature(
StreamingRenderer.java:2449)
     at org.geotools.renderer.lite.StreamingRenderer.drawPlain(
StreamingRenderer.java:2306)
     at org.geotools.renderer.lite.StreamingRenderer.processStylers(
StreamingRenderer.java:1927)
     at org.geotools.renderer.lite.StreamingRenderer.paint(
StreamingRenderer.java:831)
     at org.geoserver.wms.map.RenderedImageMapOutputFormat.produceMap(
RenderedImageMapOutputFormat.java:550)
     at org.geoserver.wms.map.RenderedImageMapOutputFormat.produceMap(
RenderedImageMapOutputFormat.java:273)
     at org.geoserver.wms.map.RenderedImageMapOutputFormat.produceMap(
RenderedImageMapOutputFormat.java:143)
     at org.geoserver.wms.GetMap.executeInternal(GetMap.java:623)
     at org.geoserver.wms.GetMap.run(GetMap.java:279)
     at org.geoserver.wms.GetMap.run(GetMap.java:125)
.................................


It seems related to the MapProjection class and in particular on the
following method:

protected final double inv_mlfn(double arg) throws ProjectionException {

Has someone experienced the same issue? Could you help me?

Thanks a lot,
Matteo.




Matteo Cusmai

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--
Ben Caradoc-Davies <b...@transient.nz>
Director
Transient Software Limited <http://transient.nz/>
New Zealand

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Please make sure you read the following two resources before posting to this 
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Re: [Geoserver-users] MapProjection doesn't converge

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