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<TITLE>Recognition of SRS in MapInfo-Files</TITLE>
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<P DIR=LTR><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">Dear QGIS-Community,</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Arial">I’m preparing to get used QGIS 1.8 with Windows Vista/7.</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> </SPAN></P>
<P DIR=LTR><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">Since I do have to work with MapInfo-Professional as well and sometimes</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">users</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">still have to transform</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Arial"></FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">on-the-fly from DHDN/GK3 (EPSG:31467) to ETRS89/UTM, Zone 32N (EPSG:25832) using NTv2 BETA2007.gsb there are some special issues.</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Arial">First I changed EPSG-definition in QGIS. I replaced +towgs84 parameter with +nadgrid parameter and +wktext in srs.db and .\share\proj\epsg</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial"></FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">(+proj=utm +zone=32 +ellps=GRS80 +</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">nadgrids=/path/BETA2007.gsb +wktext</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial"> +units=m +no_defs)</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">. After I deleted the SRS definition in .\share\gdal\pcs.csv everything works fine. As soon as the SRS is recognized properly the transformation is well done on the fly.</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">So</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">user</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">s</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial"> don’t have to do anything to get the data displayed in EPSG 25832</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial"> with BETA2007</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">. Fine to get to this point …</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Arial">… unfortunately </FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Arial">I</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial"> do work with MapInfo TAB-files and the SRS is not recognized as I expect. Every time I open a MapInfo TAB</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">/MIF</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">file in EPSG 31467</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">or EPSG 25832</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">QGIS doesn’t match</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">the</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">equivalent build in</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial"> SRS. Instead</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">in case</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">of</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial"> EPSG 31467</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">a user defined SRS is build that makes use of +towgs84 parameter again. So every time I do have to assign the proper SRS to that layer (</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">E</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">PSG 31467) first.</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">After that</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial"> on-the-fly-transformation does work immediately.</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial"> In case</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">of</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial"> EPSG 25832 the automatically defined SRS does have exactly the same parameters as the build in definition of</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">QGIS. Anyway it doesn</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">’</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">t match to EPSG 25832.</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Arial">Why can’t QGIS recognize</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">the</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">SRS in MapInfo TAB-files?</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">How does the assignment of the SRS work?</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">I assume that the user defined parameters</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">that are used automatically</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">are defined in some configuration file. Maybe there is a possibility to change these settings.</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial"> It would be great to open a MapInfo-File in EPSG 31467 or in EPSG 25832</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial"> and</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">QGIS does recognize</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">the SRS</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"> <FONT FACE="Arial">b</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">y itself</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial"> and match to the proper build in SRS</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"><FONT FACE="Arial">!</FONT></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="de"></SPAN><SPAN LANG="en-us"></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Arial">I will be glad to hear from you!</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="de"></SPAN><SPAN LANG="de"><FONT FACE="Arial">Best regards</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="de"><FONT FACE="Arial">Andreas</FONT></SPAN></P>
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