[gdal-dev] Re: PCIDSK .pix feature attribute information not visible in geomatica.

2011-01-03 Thread shashishaw 

Hi,
I'm still not able to get past this problem. Can someone suggest any
pointers as to which aspect of the conversion should I look into.. Any help
is appreciated.

Thanks,
Shashi
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[gdal-dev] Re: PCIDSK .pix feature attribute information not visible in geomatica.

2011-01-03 Thread shashishaw 

Hi,
Apologies for the delay in replying and thanks for the response.

 @Frank: I did try to open the ogr_polygon.pix in geomatica. The different
attribute fields are empty, when viewing in the attribute manager.

@Chaitanya: Yes I did try using the ogr2ogr Utility. For the sake of test, I
used the utility to convert a .shp file to .pix and back to .shp. During the
transformation, the attribute information is lost.

Thanks,
Shashi.





On Tue, Jan 4, 2011 at 9:57 AM, Chaitanya kumar CH [via OSGeo.org] 
ml-node+5887620-911473961-309...@n2.nabble.comml-node%2b5887620-911473961-309...@n2.nabble.com
 wrote:

 Shashi,

 Did you try the ogr2ogr utility?

  On Mon, Jan 3, 2011 at 8:22 PM, shashishaw [hidden 
 email]http://user/SendEmail.jtp?type=nodenode=5887620i=0
  wrote:


 Hi,
 I'm still not able to get past this problem. Can someone suggest any
 pointers as to which aspect of the conversion should I look into.. Any
 help
 is appreciated.

 Thanks,
 Shashi
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 Best regards,
 Chaitanya kumar CH.
 /tʃaɪθənjə/ /kʊmɑr/
 +91-9494447584
 17.2416N 80.1426E

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[gdal-dev] PCIDSK .pix feature attribute information not visible in geomatica.

2010-12-28 Thread shashishaw 

Hi,
I am using the current trunk of GDAL/OGR 
version(v1.7.3, revision 21324) to convert a .shp file 
to .pix file. The steps used  are taken from 
the online tutorial and are as below.

1.  // Open the datasource.
OGRDataSource* pSrc = OGRSFDriverRegistrar::Open(input.shp,FALSE);

2.  // Read the source layer.
OGRLayer* pSrcLayer = pSrc-GetLayer(0);

3.  // Initialise the output driver.
const char* pszDriverName = PCIDSK;
OGRSFDriver* pDriver = NULL;
pDriver = OGRSFDriverRegistrar::GetRegistrar()
 -GetDriverByName(pszDriverName);

4.  // Test capability.
int result = pDriver-TestCapability(CreateDataSource);

5.  // Create the data source.
OGRDataSource* pDst = pDriver-CreateDataSource(out.pix, NULL );

6.  // Create the output layer.
OGRLayer* pDstLayer = pDst-CreateLayer(out_layer,
pSrcLayer-GetSpatialRef(),

pSrcLayer-GetLayerDefn()-GetGeomType());

7.  // Create field definitions for output layer.
for( int i = 0; i  pSrcLayer-GetLayerDefn()-GetFieldCount(); i++){
 OGRFieldDefn dstFieldDefn(pSrcLayer-GetLayerDefn()-GetFieldDefn(i));

 // Create the destination field.
 OGRErr err = pDstLayer-CreateField(dstFieldDefn);

}
   
8.  // Read and set the features.
pSrcLayer-ResetReading();
OGRFeature* pSrcFeature = NULL;
while( NULL != (pSrcFeature = pSrcLayer-GetNextFeature())){
// Create the destination feature.
OGRFeature* pDstFeature =
OGRFeature::CreateFeature(pDstLayer-GetLayerDefn());
err = pDstFeature-SetFrom(pSrcFeature,FALSE);
// Add the feature to the layer.
err = pDstLayer-CreateFeature(pDstFeature);

OGRFeature::DestroyFeature(pDstFeature);
OGRFeature::DestroyFeature(pSrcFeature);
}

9.  // Cleanup
OGRDataSource::DestroyDataSource(pDst);
OGRDataSource::DestroyDataSource(pSrc);

NOTE: Error handling has been ignored.

On viewing the .pix output file in PCI Geomatica(Focus), the geometry
is correctly displayed, however the attribute information(using the
Attribute
Manager) does not show any details(empty fields). The .pix when viewed in a 
text editor does show the attribute information that is present in the .shp
file. 

Lastly, when I read the generated output .pix file using the 
GDAL/OGR apis, I am able to correctly read the feature attribute
information.

Are there some additional steps to be performed in order to correctly set
the attributes for a given file so that they are displayed in PCI Geomatica.

Thanks,
Shashi.
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