[Gvsig_english] raster georeferencing tool fails on gvsig OADE 2010

[Benjamin Ducke]

Hi Ernesto,

did you try different interpolation methods for the
resampling?

Tracing the error message you sent, I find
some code in Grid.java, which does this:

line 198:

  init(null);

then, in line 329 (method init()):

  this.dataSource = ds.getDataSource();

So it passes a null object to init(), which then tries to
execute a method from the null object. This must necessarily
lead to the error message you are getting.

Further down in init(), I find:

  if (ds == null)

which guards against null objects, but it's too late at that
point.

Could you please try this with gvSIG 1.10 (which is the
version that OADE 2010 is based on)? Also, is there any
chance you could send me a copy of the file that fails,
plus your control points, so I can test this for myself?

Best,

Ben

----- Original Message -----
> I report a bug concerning raster georeferencing tool in gvSIG OADE
> 2010: I want to apply a polinomial 1st order transformation to an
> image in jpg format, using four GCP, but as soon as I apply, the
> process fails (fatal error).
> 
> DEBUG Thread-31 org.gvsig.raster.util.RasterToolsUtil - An exception
> (fatal error) has been encountered.
> The process was aborted.
> See file 'gvSIG.log' for more information.
> java.lang.NullPointerException at
> org.gvsig.raster.grid.Grid.init(Grid.java:329) at
> org.gvsig.raster.grid.Grid.<init>(Grid.java:198) at
> org.gvsig.georeferencing.process.GeoreferencingProcess.process(GeoreferencingProcess.java:175)
> at org.gvsig.raster.RasterProcess.execute(RasterProcess.java:126)
> at org.gvsig.raster.RasterProcess.run(RasterProcess.java:139)
> at java.lang.Thread.run(Unknown Source)
> 
> The same identical procedure, using the same data, works fine on gvsig
> 1.9; the process works on gvSIG OADE only if I choose "affine"
> transformation: in this case, obviously, the transformation is applied
> "on the fly" on the original image file and no new file (resampled) is
> created. Best regards
> 
> 
> -- ing. Ernesto Sferlazza
> responsabile nodo provinciale di Agrigento del SITR Sicilia
> resp. gruppo Sistema Informativo Territoriale
> Provincia regionale di Agrigento
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