Hi all, I am new to GIS so I apologize for this rather basic question.
I have a shapefile (ArcGIS) with the corresponding .prj file coded as below: PROJCS["Kertau_RSO_Malaya_Meters",GEOGCS["GCS_Kertau",DATUM["D_Kertau",SPHEROID["Everest_1830_Modified",6377304.063,300.8017]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Rectified_Skew_Orthomorphic_Natural_Origin"],PARAMETER["False_Easting",804671.299775],PARAMETER["False_Northing",0.0],PARAMETER["Scale_Factor",0.99984],PARAMETER["Azimuth",-36.97420943711801],PARAMETER["Longitude_Of_Center",102.25],PARAMETER["Latitude_Of_Center",4.0],PARAMETER["XY_Plane_Rotation",-36.86989764584402],UNIT["Meter",1.0]] My questions are: 1) when I call this shp file into QGIS, which CRS should I choose to match the prj file? 2) does it match the Kertau (RSO)/RSO Malaya (m) (EPSG:3168) which has these codes +proj=omerc +lat_0=4 +lonc=102.25 +alpha=323.0257905 +k=0.99984 +x_0=804670.24 +y_0=0 +no_uoff +gamma=323.1301023611111 +a=6377295.664 +b=6356094.667915204 +units=m +no_defs 3) or does it match the Kertau (RSO)/RSO Malaya (ch) (EPSG:3167) which has these codes +proj=omerc +lat_0=4 +lonc=102.25 +alpha=323.0257905 +k=0.99984 +x_0=40000 +y_0=0 +no_uoff +gamma=323.1301023611111 +a=6377295.664 +b=6356094.667915204 +to_meter=20.116756 +no_defs Any help is greatly appreciated Thanks Kamarul -- Dr. Kamarul Imran Musa, M.D. M.Community.Med. Associate Professor (Epidemiology and Biostatistics) & Public Health Physician Dept of Community Medicine School of Medical Sciences 16150 Universiti Sains Malaysia, Kbg Kerian Kelantan Thomson Reuters researchID: http://www.researcherid.com/rid/G-4864-2010 Google-scholar: http://scholar.google.co.uk/citations?user=aZyayMgAAAAJ&hl=en&authuser=1 blog: http://designdataanalysis.wordpress.com email : [email protected] <[email protected]> , [email protected]
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