topic Re: Raster with World File still says Unknown Spatial Reference in ArcGIS Pro in ArcGIS Pro Questions https://community.esri.com/t5/arcgis-pro-questions/raster-with-world-file-still-says-unknown-spatial/m-p/685840#M30334 <HTML><HEAD></HEAD><BODY><P>see</P><BLOCKQUOTE class="jive_macro_quote jive-quote jive_text_macro"><H2>Set ArcGIS to read the world file first</H2></BLOCKQUOTE><P>in</P><P></P><P><A class="link-titled" href="https://pro.arcgis.com/en/pro-app/help/data/imagery/world-files-for-raster-datasets.htm" title="https://pro.arcgis.com/en/pro-app/help/data/imagery/world-files-for-raster-datasets.htm">World files for raster datasets—ArcGIS Pro | Documentation</A>&nbsp;</P><P></P><P>If it is a valid world file, it will read it.&nbsp; As a last resort, you can try Define Projection</P></BODY></HTML> Wed, 09 Sep 2020 18:51:18 GMT DanPatterson 2020-09-09T18:51:18Z Raster with World File still says Unknown Spatial Reference in ArcGIS Pro https://community.esri.com/t5/arcgis-pro-questions/raster-with-world-file-still-says-unknown-spatial/m-p/685839#M30333 <HTML><HEAD></HEAD><BODY><P>I have a world file and it was used to locate my raster after setting the SRS, but when I check the coordinate information, it says "unknown spatial reference", also when I tried set SRS again it still lists the raster as having an unknown spatial reference. Do I have to define projection or georeference again?</P></BODY></HTML> Wed, 09 Sep 2020 18:00:35 GMT https://community.esri.com/t5/arcgis-pro-questions/raster-with-world-file-still-says-unknown-spatial/m-p/685839#M30333 Iniobong 2020-09-09T18:00:35Z Re: Raster with World File still says Unknown Spatial Reference in ArcGIS Pro https://community.esri.com/t5/arcgis-pro-questions/raster-with-world-file-still-says-unknown-spatial/m-p/685840#M30334 <HTML><HEAD></HEAD><BODY><P>see</P><BLOCKQUOTE class="jive_macro_quote jive-quote jive_text_macro"><H2>Set ArcGIS to read the world file first</H2></BLOCKQUOTE><P>in</P><P></P><P><A class="link-titled" href="https://pro.arcgis.com/en/pro-app/help/data/imagery/world-files-for-raster-datasets.htm" title="https://pro.arcgis.com/en/pro-app/help/data/imagery/world-files-for-raster-datasets.htm">World files for raster datasets—ArcGIS Pro | Documentation</A>&nbsp;</P><P></P><P>If it is a valid world file, it will read it.&nbsp; As a last resort, you can try Define Projection</P></BODY></HTML> Wed, 09 Sep 2020 18:51:18 GMT https://community.esri.com/t5/arcgis-pro-questions/raster-with-world-file-still-says-unknown-spatial/m-p/685840#M30334 DanPatterson 2020-09-09T18:51:18Z Re: Raster with World File still says Unknown Spatial Reference in ArcGIS Pro https://community.esri.com/t5/arcgis-pro-questions/raster-with-world-file-still-says-unknown-spatial/m-p/685841#M30335 <HTML><HEAD></HEAD><BODY><P>It is valid and has been read. However I wanted to know if I can go ahead and digitize my features on this basemap even though I complains of last of coordinate system. Is it more appropriate to go ahead and define projection?&nbsp;</P></BODY></HTML> Thu, 10 Sep 2020 00:33:58 GMT https://community.esri.com/t5/arcgis-pro-questions/raster-with-world-file-still-says-unknown-spatial/m-p/685841#M30335 Iniobong 2020-09-10T00:33:58Z Re: Raster with World File still says Unknown Spatial Reference in ArcGIS Pro https://community.esri.com/t5/arcgis-pro-questions/raster-with-world-file-still-says-unknown-spatial/m-p/685842#M30336 <HTML><HEAD></HEAD><BODY><P>If it is complaining about unknown coordinate system, then it isn't being read or it is incorrect.&nbsp; Try Define Projection</P></BODY></HTML> Thu, 10 Sep 2020 01:56:35 GMT https://community.esri.com/t5/arcgis-pro-questions/raster-with-world-file-still-says-unknown-spatial/m-p/685842#M30336 DanPatterson 2020-09-10T01:56:35Z