Cartographic to geographic coordinates conversion¶

Detailed description¶

This application computes the geographic coordinates from a cartographic one. User has to give the X and Y coordinate and the cartographic projection (UTM/LAMBERT/LAMBERT2/LAMBERT93/SINUS/ECKERT4/TRANSMERCATOR/MOLLWEID/SVY21).

Parameters¶

This section describes in details the parameters available for this application. Table [1] presents a summary of these parameters and the parameters keys to be used in command-line and programming languages. Application key is ConvertCartoToGeoPoint .

Input cartographic coordinates

• X cartographic coordinates: X cartographic coordinates in the specified projection.
• Y cartographic coordinates: Y cartographic coordinates in the specified projection.

Output Cartographic Map Projection Parameters of the output map projection to be used. Available choices are:

• Universal Trans-Mercator (UTM) : A system of transverse mercator projections dividing the surface of Earth between 80S and 84N latitude.

• Zone number : The zone number ranges from 1 to 60 and allows defining the transverse mercator projection (along with the hemisphere).
• Northern Hemisphere : The transverse mercator projections are defined by their zone number as well as the hemisphere. Activate this parameter if your image is in the northern hemisphere.
• Lambert II Etendu : This is a Lambert Conformal Conic projection mainly used in France.
• Lambert93 : This is a Lambert 93 projection mainly used in France.
• WGS 84 : This is a Geographical projection
• EPSG Code : This code is a generic way of identifying map projections, and allows specifying a large amount of them. See www.spatialreference.org to find which EPSG code is associated to your projection;

• EPSG Code : See www.spatialreference.org to find which EPSG code is associated to your projection.

Output long Point longitude coordinates.

Output lat Point latitude coordinates.

Load otb application from xml file Load otb application from xml file.

Save otb application to xml file Save otb application to xml file.

Example¶

To run this example in command-line, use the following:

otbcli_ConvertCartoToGeoPoint -carto.x 367074.625 -carto.y 4835740 -mapproj utm -mapproj.utm.northhem true -mapproj.utm.zone 31

To run this example from Python, use the following code snippet:

#!/usr/bin/python

# Import the otb applications package
import otbApplication

# The following line creates an instance of the ConvertCartoToGeoPoint application
ConvertCartoToGeoPoint = otbApplication.Registry.CreateApplication("ConvertCartoToGeoPoint")

# The following lines set all the application parameters:
ConvertCartoToGeoPoint.SetParameterFloat("carto.x", 367074.625)

ConvertCartoToGeoPoint.SetParameterFloat("carto.y", 4835740)

ConvertCartoToGeoPoint.SetParameterString("mapproj","utm")

ConvertCartoToGeoPoint.SetParameterString("mapproj.utm.northhem","1")

ConvertCartoToGeoPoint.SetParameterInt("mapproj.utm.zone", 31)

# The following line execute the application
ConvertCartoToGeoPoint.ExecuteAndWriteOutput()