How to set a Projection for a Map Chart Layer in Spotfire® Using IronPython Scripting

Introduction

This example shows how to set the projection for a Map Chart layer. For more information on projections and Coordinate Reference Systems, see Spotfire Analyst User's Guide.

Code Sample

# Copyright © 2020. TIBCO Software Inc. Licensed under TIBCO BSD-style license.

from Spotfire.Dxp.Application.Visuals import *
from Spotfire.Dxp.Application.Visuals.Maps import *

mapchart=chart.As[MapChart]()
for layer in mapchart.Layers:
	if layer.Title == "Image Layer":		
		#Creating a projection using an EPSG code
		#Available since 6.5.0
		layer.Projection = Projection("EPSG:3857")

		#Creating a projection using an proj4 definition
		#Available since 10.8.0
		#For more info about proj4 definitions https://proj.org/
		layer.Projection = Projection("Imported:1", "+proj=aeqd +lat_0=0 +lon_0=0 +x_0=0 +y_0=0 +units=m +datum=WGS84 +no_defs", "Generated CRS")

References

• API Reference: MapChart Class
• API Reference: Projection Class

License: BSD License