[Qgis-developer] Issue with Shapefile creation algorithm
maximilian.krambach at gmx.de
Fri Mar 18 06:54:04 PDT 2016
For the one shape I get 7 valid and one "none" geometries (the last
for the other shape, just a "none" geometry
It seems that some "end of file" is off.
Function I used with the python console in QGIS:
layer = iface.activeLayer()
for feature in layer.getFeatures():
Am 18.03.2016 um 14:18 schrieb Jean-Christophe Bastin:
> Hi QGIS Developers :-)
> I asked some help on QGIS support, but they told me that I don't ask my
> question at the right place, and that I should go througth developers
> email list.
> That's why I'm here. So let me explain what's going on.
> I developped an application with a class able to read data from an
> Oracle database with MapXtreme (MapInfo), and convert them in Shapefile.
> This class follows the ESRI specifications from here :
> You can find in attach 2 samples that I tried to open in QGIS :
> - 4480___S12_060_4 : there is only one polygon, but it is not displayed
> on the map
> - 4480___327550 : there are 8 polygons in this one, and all of them are
> well displayed
> The strange thing is that the polygon from "4480___S12_060_4" is common
> with "4480___327550", but in one case it is not shown, and in the other
> case it is shown.
> I have no problem when I open these files with MapInfo.
> I don't have ArcMap to check on this side.
> The support told me they were not able to open my files with SAGA, but I
> downloaded SAGA GIS 2.2.3 and was able to open the file without any issue...
> According to QGIS support, it looks like an issue in my creation
> algorithm, but I really don't see what's wrong, it seems to follow well
> the ESRI specifications.
> I'm not a "GIS expert", so maybe some of you could help me to discover
> what's wrong.
> Or if you have any GIS tool that can tell me what's not correct in my
> shapefile, it could really help me.
> You can find in attachment the source code of my class in VB.Net.
> Many thanks !
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