CoreandServices.book - Ocean - Schlumberger

Coordinate Systems
systems available to the service. It provides methods to create converters between user
supplied coordinate systems and between projected and spherical coordinates in an
individual system. The ICoordSysService interface is defined as:
public interface ICoordSysService
{
ICoordSysConverter CreateConverter(ICoordSys csFrom,
ICoordSys csTo,
PrePostUnitConversions prePost);
ICoordSysConverter CreateConverterFromReference(ICoordSys cs,
PrePostUnitConversions post);
ICoordSysConverter CreateConverterToReference(ICoordSys cs,
PrePostUnitConversions post);
string[ ] GetAllCoordSysNames();
ICoordSys GetCoordSys(string name);
void RegisterEngine(ICoordSysEngine engine);
}
Access to the coordinate system services is made available through the product family.
The product family will define the coordinate system module and the coordinate system
engine in its configuration file. The information provided is the coordinate system class
that implements IModule and the assembly name. The configuration file module
definitions required are:
< Module type=”Slb.Ocean.CoordinateSystems.Module,
Slb.Ocean.CoordinateSystems” />
< Module type=”Slb.Ocean.CoordinateSystems.MentorEngine.Module,
Slb.Ocean.CoordinateSystems.MentorEngine” />
With the coordinate system service defined in the configuration file, it may be found by the
application.
...
ICoordSysService cs = CoreSystem.GetService();
...
From the coordinate system service, the specific coordinate system(s) to be used may be
instantiated. If the identity of the desired system is known, then it may be instantiated
directly. A list of available coordinate systems may be created so a selection may be made.
The following code sample shows how to get a list of all coordinate systems available
4-216 Ocean Application Development Framework 2008.1
Schlumberger Private