![]() The digital package consists of ArcMap ® styles, and Microsoft ® Excel color documentation tables. Examples of styles were adapted or created from the following legends: the International Stratigraphic Chart (ISC) and the USGS Color Code version of the ISC the Decade of North American Geology (DNAG-1983 Geologic Time Scale) the North American Geologic Map Data Model version 4.3 (specifically lithclass 4.3 and its successors lithclass 6.1 and lithclass 6.2) and the State Geologic Map Compilation (SGMC). For large lithology lists, a table format was used as a convenient method for experimenting with shades of color as well as for documenting the RGB color values. The terms symbolized were either generated from terminology hierarchies from various sources or digitized from scanned images of existing legends. The styles are color fills which were created by assigning RGB color values to attributes of polygon shapefiles. This report describes the methods used to create several styles for lithology or geologic time. Style for the International Stratigraphic Chart (from figure 7)ĪrcMap ® style files (.style extension) can be used to standardize map symbolization. Open-File Report 2005-1314 Methods to Create ArcMap ® Styles with Examples for Lithology and Time By Lorre A. Methods to Create ArcMap ® Styles with Examples for Lithology and Time Then the colors gradually change from red, to orange, and to green as the vegetation index goes from low to high.Īdditionally, you can browse to a pre-existing color map file that you have access to.Ĭhoose a pre-existing color ramp or create your own color scheme.USGS OF2005-1314 | Methods to Create ArcMap(r) Styles with Examples for Lithology and Time NDVI3-A colormap to visualize vegetation.Then the colors range from gray, to purple, to violet, to dark blue, and to black as the vegetation index goes from low to high. NDVI2-A colormap to visualize vegetation.Then the colors gradually change from red, to orange, to yellow, to green, and to black as the vegetation index goes from low to high. ![]()
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