![]() Right-click on the raster layer and select New Contour Layer.Open and display a single-band raster such as a digital elevation model (DEM) or any dataset where you want to categorize the data with contour lines.If contour lines are displayed and the base projection of the view changes, the contour lines will be removed. Contour lines can only be displayed on raster layers that have not been reprojected in the view. ![]() With the New Contour Layer option, all of the lines will have the same color, style, and thickness. This option provides a quick display of contour lines in the current view, whereas the Generate Contour Lines tool (available in the ENVI Toolbox) creates contour lines at full resolution and saves them to a shapefile. This topic describes how to display contour lines on a single-band raster layer with the New Contour Layer menu option. ![]()
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