Product(s):	Bentley Map, MicroStation
	Version(s):	V08.11.07 and later, CONNECT Edition
	Environment:	N/A
	Area:	Geographic Coordinate Systems
	Subarea:	Transformation

2D Conformal Transformation

Click on the link below to download the document and example datasets that describe how to compute and apply rotation, scaling, and XY translation in order to convert local coordinate systems into standard coordinate systems.

2D Conformal Transformation.pdf

Example Data.zip

Topics Included

• Common Reasons for Performing a 2D Conformal Transformation in Surveying and Mapping
• Mathematically Transform Points from a Local Coordinate System to a Standard Coordinate System
• Graphically Transform MicroStation Graphics with Known Transformation Parameters
• Compute the Four Transformation Parameters 
• Reference Project Coordinate Systems to Standard Coordinate Systems
• Using the Helmert Transformation 
• Compute the Grid to Ground Scale Factor as an Affine Parameter
• Handling Redundancy with Least Squares 
• Statistical Analysis of Least Squares Adjustments
• Matrix Calculations in Microsoft Excel