[Qgis-user] create a shapefile tile index from a boundingbox list

[maning sambale]

Thanks Alex!

On Thu, Dec 3, 2009 at 5:08 PM, Alex Mandel <tech_dev at wildintellect.com> wrote:
> maning sambale wrote:
>> Hi,
>>
>> I have a csv file containing a list of topographic maps with bounding
>> box coordinates like this:
>> sheet no, upper left coordinates (lon/lat), lower left coordinates
>> (lon/lat), lower right coordinates (lon/lat), upper right coordinates
>> (lon/lat)
>> 3631-I,7,121.5,7,122,6.5,121.5,6.5,121.5
>>
>> I want to convert the text file into a shapefile polygon box.  In the
>> past I used delimited text plugin converting the four corners as
>> separate records.  Then digitize a polygon (snapping to the point).
>> Any other way to do this in QGIS?
>
> Using a spreadsheet and formula or some python etc. you can easily turn
> that into GML, KML or WKT. If you do GML or KML you just copy and past
> out to a text file. If you do WKT import it into spatialite or postgis
> and run SQL to convert it. Or I think with WKT in the csv you can use
> ogr2ogr to convert it to any of the other formats using the VRT method
> http://www.gdal.org/ogr/drv_vrt.html
>
> I don't know of any direct way in QGIS to do this yet but many people
> have been talking about it, and it's been lurking on the bottom of my
> list for years.
>
> See "Connect the dots" from a few weeks ago on the mailing list.
>
> Alex
>



-- 
cheers,
maning
------------------------------------------------------
"Freedom is still the most radical idea of all" -N.Branden
wiki: http://esambale.wikispaces.com/
blog: http://epsg4253.wordpress.com/
------------------------------------------------------