<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Hi,<div>« <span style="caret-color: rgb(64, 64, 64); color: rgb(64, 64, 64); font-family: Lato, proxima-nova, "Helvetica Neue", Arial, sans-serif; font-size: 16px; -webkit-text-size-adjust: 100%; background-color: rgb(252, 252, 252);">Full read/write support of *.grd (grid) files is available, read-only support is available for classified grids (*.grc). »</span></div><div><span style="caret-color: rgb(64, 64, 64); color: rgb(64, 64, 64); font-family: Lato, proxima-nova, "Helvetica Neue", Arial, sans-serif; font-size: 16px; -webkit-text-size-adjust: 100%; background-color: rgb(252, 252, 252);"><br></span></div><div>Gdal can only read those rasters. You may need another work flow. (Like import the tiff in Arc and do it there.</div><div><br></div><div><a href="https://gdal.orgdrivers/raster/nwtgrd.html">https://gdal.orgdrivers/raster/nwtgrd.html</a></div><div><br></div><div><a href="https://gdal.orgdrivers/raster/index.html">https://gdal.orgdrivers/raster/index.html</a></div><div><br></div><div><a href="https://www.esri.com/arcgis-blog/products/arcgis-desktop/imagery/grd-and-grc-files-now-supported-in-arcgis-10-1/">https://www.esri.com/arcgis-blog/products/arcgis-desktop/imagery/grd-and-grc-files-now-supported-in-arcgis-10-1/</a></div><div><br><div dir="ltr">Nicolas Cadieux<div><a href="https://gitlab.com/njacadieux">https://gitlab.com/njacadieux</a></div></div><div dir="ltr"><br><blockquote type="cite">Le 14 déc. 2020 à 07:33, Жуков Федор <f.zhukov@i-teco.ru> a écrit :<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">grc</div></blockquote></div></body></html>