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Re: [udig-devel] ShapeType changed illegally from Point to Undefined
Hi,

I remember trying to fix a related problem.  It occurred when a new shapefile is created then points are added to the file.  Try uDig 1.1RC5 and see if this problem is fixed.  If it isn't let me know and I will make sure I can fix it.  


I'm quickly having a look at the code right now to see if there is any obvious problem.

Jesse

On 8-Nov-06, at 2:51 AM, Schneider, Michael wrote:

Hi,

as you know meanwhile I'm working with shapefiles and marks in uDIG.

Marking several points using a shapefile you have two possibilities:
1) Use a shapetype of multipoint with one record of all the points (that's what I did up to now) - drawback: you only have one item in the feature info table.

2) Use a shapetype of point with one record for every point - then you have number of point items in the feature info table

But when I do it the 2nd way I encounter the following problem:
When all the points are shown it is fine, but when I pan or scale so that at least one point is not visible anymore all but 1 dispappear, although there should be more than 1! By the way: the feature info table still shows all points.

This does not happen when working with a MultiPoint shapefile.

That's the exception I got:

!ENTRY net.refractions.udig.project 2 0 2006-11-08 11:03:47.902
!MESSAGE Problem beim Rendern:ShapeType changed illegally from Point to Undefined
!STACK 0
net.refractions.udig.project.render.RenderException: Problem beim Rendern:ShapeType changed illegally from Point to Undefined

        at net.refractions.udig.render.internal.feature.basic.BasicFeatureRenderer.render(BasicFeatureRenderer.java:293)

        at net.refractions.udig.render.internal.feature.basic.BasicFeatureRenderer.render(BasicFeatureRenderer.java:205)

        at net.refractions.udig.project.internal.render.impl.TilingRenderer.render(TilingRenderer.java:79)
        at net.refractions.udig.project.internal.render.impl.RenderExecutorImpl$RenderJob.startRendering(RenderExecutorImpl.java:286)

        at net.refractions.udig.project.internal.render.impl.RenderExecutorImpl$RenderJob.run(RenderExecutorImpl.java:351)

        at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)
Caused by: java.lang.IllegalStateException: ShapeType changed illegally from Point to Undefined
        at org.geotools.data.shapefile.shp.ShapefileReader.nextRecord(ShapefileReader.java:453)
        at org.geotools.data.shapefile.shp.ShapefileReader.recordAt(ShapefileReader.java:566)
        at org.geotools.renderer.shape.IndexInfo$Reader.next(IndexInfo.java:294)
        at org.geotools.renderer.shape.ShapefileRenderer.processShapefile(ShapefileRenderer.java:489)
        at org.geotools.renderer.shape.ShapefileRenderer.processStylersNoCaching(ShapefileRenderer.java:291)
        at org.geotools.renderer.shape.ShapefileRenderer.paint(ShapefileRenderer.java:1286)
        at org.geotools.renderer.shape.ShapefileRenderer.paint(ShapefileRenderer.java:205)
        at net.refractions.udig.render.internal.feature.basic.BasicFeatureRenderer.render(BasicFeatureRenderer.java:278)

        ... 5 more

Any ideas?

Michael

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User-friendly Desktop Internet GIS (uDig)

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