Tagged Questions
1
vote
1answer
53 views
PROJ4 C++ API: Amersfoort RD New to WGS84
I try to convert between dutch RD New (EPSG:28992) and WGS84 (EPSG:4326) via PROJ4 C++ API.
On the console this works with:
cs2cs +proj=sterea +lat_0=52.15616055555555 +lon_0=5.38763888888889 ...
3
votes
1answer
451 views
What is the relationship between ITRF and WGS84?
Why are there people saying that "I am using WGS84(ITRF96)"?
There are newer version of ITRF. Will WGS84 follow it?
If so, what will be the influence to us?
1
vote
1answer
547 views
How to convert Lat & Long from Onemap.sg to Google Maps
I have a set of address for Singapore, I would like to take the Lat & Long from onemap.sg (SYV21: X, Y / Easting, Northing) and then store it in my databse , convert into (WGS84: Longitude, ...
5
votes
2answers
1k views
How is EPSG:4326 data 'projected' in a 2D map?
I like to think I'm relatively well-versed in datums, projections, and coordinate reference systems, so if this is a stupid question I will suffer eternal shame.
OpenStreetMap data is stored in WGS84 ...
1
vote
3answers
2k views
Code to convert WGS84 coordinates to British National Grid Easting/Northings
I'm looking for some code, ideally C#, to convert a WGS84 coordinate to British National Grid Easting and Northings.
Does anyone have this to hand?
I tried converting the Javascript code here:
...
8
votes
3answers
285 views
Global grid, which reference system to use?
I have seen a couple global studies using WGS84 as geographic reference, with the problem that the area of raster cells is not constant. Which reference system would you use for a global analysis in ...