[OSGeo-Discuss] Shapefile lacking SRS information

[Andrew Turner]

You have a couple of options - one would be to just rasterize and
register/geo-rectify the image and then trace or use as a basemap.

Curiously, what is your goal with this data? Can you instead use other
base maps such as OpenStreetMap (either as vector or rendered tiles)?

On Tue, Sep 2, 2008 at 3:39 AM, Rafal Wawer
<Rafal.Wawer at sadl.kuleuven.be> wrote:
> Dear Kjell,
> I am not an expert with GRASS, but form what I see in your e-mail, the
> shapefile itself (its geometry) seem to be OK. It si just lacking the SRS
> informaton.
>
> In Quantum GIS often (always?) happens, that the program does not read the
> ESRI WKT from *.prj file, hence you have to read it yourself and find the
> corresponding EPSG code on http://spatial-reference.org . Then you define it
> within layer's properties and that's it. I bet, there is similiar procedure
> in GRASS.
>
> Hope this helps a bit.
>
> Best regards:
> RAf
>
> Dr. Rafal Wawer
> K.U.Leuven
> R&D Division SADL (Spatial Application Division)
> Celestijnenlaan 200e bus 2224
> BE-3001 Leuven-Heverlee
> Belgium
> tel. 0032 16 329731
>
>
>
> ----- Original Message ----- From: "Kjell Are Refsvik"
> <kjell.a.refsvik at hiof.no>
> To: "OSGeo Discussions" <discuss at lists.osgeo.org>
> Sent: Monday, September 01, 2008 5:51 PM
> Subject: [OSGeo-Discuss] Shapefile lacking SRS information
>
>
> Hi,
>
> We communicated briefly this summer on issues relating to the
> conversion and creation of geodata. Looking through the emails from
> earlier this summer, I am very thankful for the time you spent, and
> hope that I am not intruding by asking one more:
>
> My status is that I am progressing to the point where I should be able
> to draw my own maps and have them included (mashed) with my web albums
> for photos soon.
>
> I am using UNIX shell-scripts to draw the maps I need based on a
> shapefile converted to .csv and geodata extracted from my photos:
>
> http://www.ia-stud.hiof.no/~kjellare/misc/20080829_gnuplot_status.png
>
> Trying to get hold of better maps, I have been trying to get some old
> shapefiles to work, but without success. They appear to have lost
> their Spacial Reference System:
>
> http://www.ia-stud.hiof.no/~kjellare/misc/20080901_SRS.png
>
> ...and I was just wondering - is it possible to repair them?
>
> Best regards,
>
> Kjell Are Refsvik
> -----
> Graduate Student, Information Technology
> Faculty of Computer Sciences
> Østfold University College, Norway
> email: kjell.a.refsvik at hiof.no
> mobile: +47 405 50 454
>
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