[Gdal-dev] segfault in SHPCreateObject

[Frank Warmerdam]

On 9/12/05, Ari Jolma <ari.jolma at tkk.fi> wrote:
> Any ideas why this segfaults:
> 
> my $fd = new ogr::FeatureDefn;
> my $f = new ogr::Feature($fd);
> my $g = new ogr::Geometry($ogr::wkbPolygon);
> my $r = new ogr::Geometry($ogr::wkbLinearRing);
> do this many times:        $r->AddPoint($lon,$lat);
> $g->AddGeometry($r);
> $g->CloseRings;
> $f->SetGeometry($g);
> $layer->CreateFeature($f);
> 
> layer should be ok, I probably need something more into those new's?

Ari,

When creating a feature you intend to write out to a layer with
CreateFeature(), you should use the featuredefn from that layer
for the feature.   It should be very rare that you need to create
your own freestanding OGRFeatureDefn objects. 

Best regards,

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I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
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