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Instructions provided describe how to use the ArcMap Buffer Wizard to create cartographic vignettes.
A cartographic vignette is a graphical device used to accentuate a feature; for example, a coastline or island. A vignette consists of a series of bands, each brighter than the next, emanating from a feature.
Instructions provided describe how to use the ArcMap Buffer Wizard to create cartographic vignettes, keeping in mind that the default setup is not ideal for this purpose. In most cases, before creating buffers to be used as vignettes, the Buffer processing coordinate system should be changed to this setting: Select Coordinate System of the data frame (output).
While the default processing coordinate system maximizes the accuracy of the buffers, buffers created with this setup will in many cases be distorted. Avoid this because cartographic vignettes typically have a constant width, or no distortion.
When creating vignettes, base the decision on whether or not to change the buffer setup beforehand on (a) the map's coordinate and (b) the map scale. For example, if the map's coordinate system is Geographic and the coastline of North America is buffered with the default setup, the generated buffers will be quite distorted toward the North and South Poles. Remedy this by changing the Buffer processing coordinate system setting before buffering.
To create cartographic vignettes: