ProjNet4GeoAPI

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Inaccurate Transformations - OSGB 1936 / British National Grid to WGS84

2

Hi all, I am new to all this GIS work, so if I have done something silly or just plain wrong please just let me know. I m trying to...

lakesol

Add EPSG 4979 Support?

1

EPSG 4979 is the 3D equivalent of EPSG 4326 with ellipsoidal height as the third dimension. Attempting to create this coordinate system from the WKT results in an `ArgumentException`. -...

jhaverkost

Adapt to new WKT for coordinate spatial reference

3

Adapt new to new Well Known text specification __Geographic information — Well-known text representation of coordinate reference systems__ See: * [as HTML](http://docs.opengeospatial.org/is/18-010r7/18-010r7.html) * [as Pdf](https://portal.opengeospatial.org/files/18-010r7)

FObermaier

There are some inconsistencies and possibly errors in documentation related to axis orientation: ### AxisOrientationEnum [AxisOrientationEnum.cs](https://github.com/NetTopologySuite/ProjNet4GeoAPI/blob/develop/src/ProjNet/CoordinateSystems/AxisOrientationEnum.cs) says that West is non-standard, but then goes to say that West is usually...

jjanuszkiewicz

Add support for EPSG 5515 S-JTSK/05 / Modified Krovak

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`CoordinateSystemWktReader.cs` has no support for EPSG:5515 S-JTSK/05 / Modified Krovak. `System.ArgumentException: ''PROJCRS' is not recognized.'` #### Reference • http://epsg.io/5515 • https://epsg.org/crs_5515/S-JTSK-05-Modified-Krovak.html (WKT in there)

deep-outcome

Proj.4 uses WGS84 as a pivot for coordinate transforms. The accuracy of WGS84 is completely unsuitable for modern GIS needs, particularly for consumers in Australia and the Pacific. Proj.6 allows...

pchilds

UTM ITRF96 3-30 TO WGS94 (GOOGLE EARTH) TRANSFORMATION

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var csTgt = GeographicCoordinateSystem.WGS84; var csSrc = new CoordinateSystemFactory().CreateFromWkt(@"PROJCS[""ITRF96 / TM30"", GEOGCS[""GCS_ITRF_1996"", DATUM[""D_ITRF_1996"", SPHEROID[""GRS_1980"",6378137.0,298.257222101]], PRIMEM[""Greenwich"",0.0], UNIT[""Degree"",0.017453292519943295]], PROJECTION[""Transverse_Mercator""], PARAMETER[""central_meridian"",30.0], PARAMETER[""latitude_of_origin"",0.0], PARAMETER[""scale_factor"",1.0], PARAMETER[""false_easting"",500000.0], PARAMETER[""false_northing"",0.0], UNIT[""m"",1.0]]"); var transformer = new CoordinateTransformationFactory().CreateFromCoordinateSystems(csSrc, csTgt); double[]...

shadowq7

I want use proj4js data in this lib. How make it? ``` [$$hashKey: "00B" a: 6377397.155 a2: 40671194472602.09 axis: "enu" b: 6356078.962818189 b2: 40399739781579.94 datum: Class a: 6377397.155 b: 6356078.962818189...

ahvahsky2008

Getting an error saying PROJCRS not recognized

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Trying to use this WKT and its not liking the PROJCRS. I copied this from QGIS projection dialog box. `var SourceCoordSystem = new CoordinateSystemFactory().CreateFromWkt(FromWKT);` ``` PROJCRS["NAD83 / New Jersey (ftUS)",...

donnyv

Bearing and Reverse bearing

3

Is there a way to to calculate bearing and reverse bearing between points? thanks!

eiredrake