Coordinate Reference Systems
Transform Coordinates
Remarks
Formed by concatenation of tfms codes 6191 and 15485. May be used as transformation between Corrego Alegre 1970-72 and WGS 84 - see tfm code 6194. Used by Petrobras and ANP from February 2005.
Frequently Asked Questions
How do I convert Corrego Alegre 1970-72 to SIRGAS 2000 coordinates?
Use the coordinate transformation tool above to convert Corrego Alegre 1970-72 (EPSG:4225) to SIRGAS 2000 (EPSG:4674). Enter your source coordinates and click Transform. This uses the Geocentric translations (geog2D domain) method with 5m accuracy.
How do I transform Corrego Alegre 1970-72 to SIRGAS 2000 using Proj4js?
Use proj4.defs to define both EPSG:4225 and EPSG:4674, then call proj4(source, target, [x, y]) to convert coordinates programmatically.
What is the accuracy of the Corrego Alegre 1970-72 to SIRGAS 2000 transformation?
This transformation (EPSG:6193) has an accuracy of 5m using the Geocentric translations (geog2D domain) method. Area of use: Brazil - Corrego Alegre 1970-1972.