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i am using QGIS and Postgis together. I can load data in Postgis and than i import it to QGIS. But i am trying to save an analysis output (example: buffer analysis, voronoi polygon or SEXTANTE analysis tools) directly in Postgis. Is there anyway to make this?

For instance in ArcGIS you can save an analysis output in a .GDB .MDB geodatabase but in QGIS firstly i save an output as .SHP than i load it to Postgis or in OpenJump after analysis you must save layer in Postgis table. So there is one more step !

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The set of analysis tools in the fTools extensions are all designed to save only as shapefile, AFAIK. – Micha Dec 27 '12 at 8:24
up vote 3 down vote accepted

You can use the SEXTANTE tool called "import into PostGIS". You should define a connection and then use the nae of that connection as input to that module.

If the algorithm that generates the result you want to import is also a SEXTANTE one (like the voronoi one you mention), you can create a small model to put everything in a single operation

Direct output to a database is something I started working on in SEXTANTE, but there is some work to do before it's ready to be used...

Hope this helps

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Thanks, i saw the update. it is very useful... – mete7 Jan 31 '13 at 22:15

Have a look at the DB Manager Plugin

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I have been using DB Manager for a long time but it is not solution for my question – mete7 Dec 26 '12 at 11:52
From the page I linked you to: "You can drag layers from the QGIS Browser into the DB Manager and it will import your layer into your spatial database." Seems like a solution to me. – nagytech Dec 27 '12 at 9:41

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