<p dir="ltr">Hi,</p>
<p dir="ltr">I have done this in the past using documents found here. Qgis uses proj.4 syntax.<br></p>
<p dir="ltr">http://ie.unc.edu/cempd/projects/mims/spatial_beta/external/PROJ4.html</p>
<p dir="ltr">You can create user defined projection in "Setting/custom CRS".</p>
<p dir="ltr">Good luck!<br><br></p>
<p dir="ltr">Nicolas Cadieux M.Sc.<br>
Les Entreprises Archéotec inc. <br>
8548, rue Saint-Denis Montréal H2P 2H2<br>
Téléphone: 514.381.5112 Fax: 514.381.4995<br>
www.archeotec.ca</p>
<div class="gmail_quote">On May 31, 2015 10:30 AM, "K Imran M [via OSGeo.org]" <<a href="/user/SendEmail.jtp?type=node&node=5208323&i=0" target="_top" rel="nofollow" link="external">[hidden email]</a>> wrote:<br type='attribution'><blockquote style='border-left:2px solid #CCCCCC;padding:0 1em' class="quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">Dear Andre,<div><br /></div><div>Is it possible, because of the different WKT string specification, my shape files was misaligned for about 200 meters to 300 meters when I chose <span style="font-size:12.8000001907349px">Kertau (RSO)/RSO Malaya (m) (EPSG:3168) as the projection (OTF)</span>?</div><div>In view of that issue, can you advise me if I </div><div>1) can I still use the <span style="font-size:12.8000001907349px">Kertau (RSO)/RSO Malaya (m) (EPSG:3168) projection? Or</span></div><div><span style="font-size:12.8000001907349px">2) should I transform the projection to any other projection? Or</span></div><div><span style="font-size:12.8000001907349px">3) should I use the User-define CRS? If yes, how can I do that?</span></div><div><span style="font-size:12.8000001907349px"><br /></span></div><div><span style="font-size:12.8000001907349px">I apologize for any trivial questions here. Your responses is very much appreciated.</span></div><div><span style="font-size:12.8000001907349px"><br /></span></div><div><span style="font-size:12.8000001907349px">Thanks and best wishes,</span></div><div><span style="font-size:12.8000001907349px"><br /></span></div><div><span style="font-size:12.8000001907349px">Kamarul</span></div><div><span style="font-size:12.8000001907349px"><br /></span></div><div><span style="font-size:12.8000001907349px"><br /></span></div><div><span style="font-size:12.8000001907349px"><br /></span></div><div><br /></div><div><br /></div></div><div><br /><div class="elided-text">On Sun, May 31, 2015 at 10:00 PM, Andre Joost <span dir="ltr"><<a href="/user/SendEmail.jtp?type=node&node=5208316&i=0">[hidden email]</a>></span> wrote:<br />Am 30.05.2015 um 23:31 schrieb Nicolas Cadieux:<br />
Hi,<br />
I am assuming QGIS cannot read this projection?<br />
</blockquote>
<br />
You are right, the projection name is not known for QGIS.<br />
<br />
The WKT string for Kertau RSO is:<br />
<br />
<br />
PROJCS["Kertau (RSO) / RSO Malaya (m)",<br />
GEOGCS["Kertau (RSO)",<br />
DATUM["Kertau_RSO",<br />
SPHEROID["Everest 1830 (RSO 1969)",6377295.664,300.8017,<br />
AUTHORITY["EPSG","7056"]],<br />
AUTHORITY["EPSG","6751"]],<br />
PRIMEM["Greenwich",0,<br />
AUTHORITY["EPSG","8901"]],<br />
UNIT["degree",0.0174532925199433,<br />
AUTHORITY["EPSG","9122"]],<br />
AUTHORITY["EPSG","4751"]],<br />
PROJECTION["Hotine_Oblique_Mercator"],<br />
PARAMETER["latitude_of_center",4],<br />
PARAMETER["longitude_of_center",102.25],<br />
PARAMETER["azimuth",323.0257905],<br />
PARAMETER["rectified_grid_angle",323.1301023611111],<br />
PARAMETER["scale_factor",0.99984],<br />
PARAMETER["false_easting",804670.24],<br />
PARAMETER["false_northing",0],<br />
UNIT["metre",1,<br />
AUTHORITY["EPSG","9001"]],<br />
AXIS["Easting",EAST],<br />
AXIS["Northing",NORTH],<br />
AUTHORITY["EPSG","3168"]]<br />
<br />
which looks similar to the one given, but the ellipsoid major axis is different, and False Easting.<br />
<br />
For the different namings of the projection, see<br />
<br />
<a href="https://trac.osgeo.org/gdal/ticket/2745" target="_top" rel="nofollow" link="external">https://trac.osgeo.org/gdal/ticket/2745</a><br />
<a href="http://lists.maptools.org/pipermail/proj/2010-September/005349.html" target="_top" rel="nofollow" link="external">http://lists.maptools.org/pipermail/proj/2010-September/005349.html</a><br />
<br />
HTH,<br />
André Joost<div><div><br />
<br />
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</div></div></blockquote></div><br /><br clear="all" /><div><br /></div>-- <br /><div><div dir="ltr"><div><div dir="ltr"><div style="font-family:'arial';font-size:small;color:rgb( 80 , 0 , 80 )">Dr. Kamarul Imran Musa,</div><div style="font-family:'arial';font-size:small;color:rgb( 80 , 0 , 80 )">M.D. M.Community.Med.</div><div style="font-family:'arial';font-size:small;color:rgb( 80 , 0 , 80 )"><div>Associate Professor (Epidemiology and Biostatistics) & </div><div>Public Health Physician</div><div>Dept of Community Medicine</div><div>School of Medical Sciences</div><div>16150 Universiti Sains Malaysia, Kbg Kerian</div><div>Kelantan</div><div><span style="color:rgb( 34 , 34 , 34 )">Thomson Reuters </span><span style="color:rgb( 34 , 34 , 34 );font-family:'arial' , sans-serif">researchID: </span><a href="http://www.researcherid.com/rid/G-4864-2010" style="color:rgb( 17 , 85 , 204 );font-family:'arial' , sans-serif" target="_top" rel="nofollow" link="external">http://www.researcherid.com/rid/G-4864-2010</a><br /></div><div>Google-scholar: <a href="http://scholar.google.co.uk/citations?user=aZyayMgAAAAJ&hl=en&authuser=1" style="color:rgb( 17 , 85 , 204 )">http://scholar.google.co.uk/citations?user=aZyayMgAAAAJ&hl=en&authuser=1</a></div><div>blog: <a href="http://designdataanalysis.wordpress.com/" style="color:rgb( 17 , 85 , 204 )" target="_top" rel="nofollow" link="external">http://designdataanalysis.wordpress.com</a> </div><div><span style="color:rgb( 34 , 34 , 34 )">email : </span><a href="/user/SendEmail.jtp?type=node&node=5208316&i=2">[hidden email]</a><span style="color:rgb( 34 , 34 , 34 )"> , </span><a href="/user/SendEmail.jtp?type=node&node=5208316&i=3">[hidden email]</a></div></div></div></div></div></div>
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