MrSID is a unique compression format for high-definition imagery and visual data, frequently used in geospatial industries. LizardTech continued to develop and improve the compression technology to provide greater GIS functionality. What is a SID file? SID files are compressed, but they preserve the quality and detail of raw imagery and point cloud data.

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Export or convert raster datasets There are two main ways to export or convert raster data to another format. You can export raster data from within ArcMap by using the Export Raster Data dialog box or using a geoprocessing tool.

The dialog box allows you to export a raster dataset or a portion of a raster dataset. Unlike other raster import or export tools, the Export Raster Data dialog box gives you additional capabilities such as clipping via the current data frame area, clipping via a selected graphic, choosing the spatial reference of the data frame, using the current renderer, choosing the output cell size, or specifying the NoData value.

Note: If you export your data with the Selected Graphics Clipping option, your image extent will be the union of your selected graphic and the extent of the raster. The second way to export or convert raster data is using the Copy Raster tool.

There are many different raster dataset formats, which are normally differentiated by their file extensions. You can store your rasters in a file-based system or a geodatabase personal, file, or ArcSDE. When you name your output raster dataset, specify.

When exporting your data using a selected graphic to a file-based raster dataset, it is recommended that you enter a NoData value. When a graphic is used to clip your data, NoData pixels will most likely exist in the output. Specifying the NoData value will allow you to control the pixel depth and the value that will store NoData. If a NoData value is not specified, the program will find an empty value to use as the NoData placeholder, which may not be desired or expected.

You can also export or convert your raster data raster dataset or mosaic dataset into tiles, rather than a single raster dataset, using the Split Raster tool or the Raster To DTED tool. The Split Raster tool allows you to tile the output according to a tile size or number of tiles, among other options. Related Topics.


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