[mapguide-users] can anyone solved this buffer problem

[Kenneth Skovhede, GEOGRAF A/S]

Have you tried to add a coordinate system override,
using Maestro or Studio?

Regards, Kenneth Skovhede, GEOGRAF A/S



padmini godavarthi skrev:
>  Hi,
> iam using mapguide opensource 2.0 (with .net 2.0 +IIS 5.1)
> i want to make a buffer to my data
> the buffer function works fine for this sheboygan data but not for my data
> i have debugged the application and i got the error at
>
>     MgResourceIdentifier featSourceId = new
> MgResourceIdentifier(selLayer.GetFeatureSourceId());
>             MgSpatialContextReader ctxs =
> featureSrvc.GetSpatialContexts(featSourceId, false);
>             String srsDefDs = "";
>             if (ctxs != null && ctxs.ReadNext())
>       srsDefDs = ctxs.GetCoordinateSystemWkt();
>
> In Sheboygan data  
> srsDefDs comes as  GEOGCS["WGS84 Lat/Long's, Degrees, -180 ==>
> +180",DATUM["D_WGS_1984",SPHEROID["World_Geodetic_System_of_1984",6378137,298.257222932867]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]]
>
> but for my data
>   srsDefDs comes as null 
>
> Actually my data is in coordinate system 
>
> GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS
> 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.01745329251994328,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]]
>
> can u plz tell me the solution????????????????????????
>
> plzzz
>
> Regards,
> Padmini.
>   
>