TrCoo

Command line: TrCoo

Description: transform coordinates using a TransLT transformation model

TopoLT toolbar:

Menu: TopoLT » Transformations » Transform coordinates

Using this command you can transform points coordinate from the drawing by using a TransLT transformation model. Converting coordinates from one coordinate system to another is done according to the selected transformation model what is defined in TopoCfg - Transformations Section. Coordinates are saved in a text file.

To perform coordinate transformations follow the conditions:

1. On the "Transformations" folder on the path where the program is installed copy one or more transformation models generated by TransLT V3;

2. Select from Transformations Section by using TopoCfg command the transformation model which has as initial coordinate system the coordinate system of the drawing;

3. Coordinates (x,y,z) from the drawing are read in the order (E,N,H) for coordinates from the projection system and in the order (lambda, phi, h) for geographic coordinates.

When selecting a time-dependent transformation model you will be asked to type the epoch t, in years with decimal, to calculate the dynamic coordinates.