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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: File types for writing</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <link rel="stylesheet" type="text/css" href="R.css" /> </head><body> <table width="100%" summary="page for writeFormats {raster}"><tr><td>writeFormats {raster}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>File types for writing</h2> <h3>Description</h3> <p>List supported file types for writing RasterLayer values to disk. </p> <p>When a function writes a file to disk, the file format is determined by the 'format=' argument if supplied, or else by the file extension (if the extension is known). If other cases the default format is used. The 'factory-fresh' default format is 'raster', but this can be changed using <code><a href="rasterOptions.html">rasterOptions</a></code>. </p> <h3>Usage</h3> <pre> writeFormats() </pre> <h3>Details</h3> <p>writeFormats returns a matrix of the file formats (the "drivers") that are supported. </p> <p>Supported formats include: </p> <table summary="Rd table"> <tr> <td style="text-align: left;"> </td><td style="text-align: left;"> <b>File type</b> </td><td style="text-align: left;"> <b>Long name</b> </td><td style="text-align: left;"> <b>default extension</b> </td><td style="text-align: right;"> <b>Multiband support</b> </td> </tr> <tr> <td style="text-align: left;"> </td><td style="text-align: left;"> <code>raster</code> </td><td style="text-align: left;"> 'Native' raster package format </td><td style="text-align: left;"> .grd </td><td style="text-align: right;"> Yes </td> </tr> <tr> <td style="text-align: left;"> </td><td style="text-align: left;"> <code>ascii</code> </td><td style="text-align: left;"> ESRI Ascii </td><td style="text-align: left;"> .asc </td><td style="text-align: right;"> No </td> </tr> <tr> <td style="text-align: left;"> </td><td style="text-align: left;"> <code>SAGA</code> </td><td style="text-align: left;"> SAGA GIS </td><td style="text-align: left;"> .sdat </td><td style="text-align: right;"> No </td> </tr> <tr> <td style="text-align: left;"> </td><td style="text-align: left;"> <code>IDRISI</code> </td><td style="text-align: left;"> IDRISI </td><td style="text-align: left;"> .rst </td><td style="text-align: right;"> No </td> </tr> <tr> <td style="text-align: left;"> </td><td style="text-align: left;"> <code>CDF</code> </td><td style="text-align: left;"> netCDF (requires ncdf4) </td><td style="text-align: left;"> .nc </td><td style="text-align: right;"> Yes </td> </tr> <tr> <td style="text-align: left;"> </td><td style="text-align: left;"> <code>GTiff</code> </td><td style="text-align: left;"> GeoTiff (requires rgdal) </td><td style="text-align: left;"> .tif </td><td style="text-align: right;"> Yes </td> </tr> <tr> <td style="text-align: left;"> </td><td style="text-align: left;"> <code>ENVI</code> </td><td style="text-align: left;"> ENVI .hdr Labelled </td><td style="text-align: left;"> .envi </td><td style="text-align: right;"> Yes </td> </tr> <tr> <td style="text-align: left;"> </td><td style="text-align: left;"> <code>EHdr</code> </td><td style="text-align: left;"> ESRI .hdr Labelled </td><td style="text-align: left;"> .bil </td><td style="text-align: right;"> Yes </td> </tr> <tr> <td style="text-align: left;"> </td><td style="text-align: left;"> <code>HFA</code> </td><td style="text-align: left;"> Erdas Imagine Images (.img) </td><td style="text-align: left;"> .img </td><td style="text-align: right;"> Yes </td> </tr> <tr> <td style="text-align: left;"> </td> </tr> </table> <h3>See Also</h3> <p><code><a href="../../rgdal/html/GDALDriver-class.html">GDALDriver-class</a></code> </p> <h3>Examples</h3> <pre> writeFormats() </pre> <hr /><div style="text-align: center;">[Package <em>raster</em> version 3.3-13 <a href="00Index.html">Index</a>]</div> </body></html>