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The ARIS ASCII Grid Reader adds native support for ESRI ASCII Grids and some non-ESRI ASCII Grids to ArcMap and ArcCatalog. So this tool does not convert ASCII Grid files but reads them directly as an ArcGIS image.
ASCII Grid Reader makes it possible to preview ASCII Grids directly and without conversion in ArcCatalog, and to use them in ArcMap. All the usual raster operations in ArcMap (for example the Raster Calculator) can then be applied to the ASCII Grid.
No temporary files are created, whereas a conversion always produces a new file on the hard disk, which needs to be cleaned up after some time. Floating-point and integer type ASCII Grids are recognized automatically, whereas ArcToolbox creates a floating-point raster by default, unless explicitly specified by the user. An important difference between floating-point and integer type rasters is that a Unique Value Classification is available for integer rasters.
When an ArcGIS projection file (.prj) is placed next to the ASCII grid with the same name but different extension (e.g. world.grd and world.prj), the projection information is passed automatically to ArcCatalog and ArcMap.
ARIS ASCII Grid Reader calculates automatically MIN and MAX values in order to display the grid in the applicable range.
ASCII Grid Reader recognizes the following file extensions:
The ARIS ASCII Grid Reader for ArcMap 10 has some exciting new features to support also some non-ESRI ASCII Grids:
Required is one of the following ArcGIS 9.3, ArcGIS 9.3.1, ArcGIS 10.0, ArcGIS 10.1 or ArcGIS 10.2 licenses:
The Spatial Analyst extension is not required.
Available as 5-day trial version.