<div dir="ltr"><span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">Hi everyone, </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">I am going to write a long post, just to put in context and try to explain why I am having these issues. </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">I am still making my first steps with 52North WPS and its </span><span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">GRASS</span><span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"> backend. </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">I have tried the process r.loss and I receive the tiff resulting file fine, but I just realized it comes projected in EPSG:404000 (2D wildcard coordinate reference system in meters), or at least is how Geoserver interpretes it. If I try to request the layer with any other SRS openlayers does not show it, so I assume it is because of 2D wildcard projection. </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">My input raster map is projected in EPSG:25830 (30N UTM) so I assumed the output raster would be in the same coordinate system. </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">I referred to GRASS documentation and read that GRASS manage projections in a using LOCATIONS.</span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">The tutorial [1] indicates to use the demo location under GRASS installation folder "GRASS_INSTALL_PATH/demolocation" the GRASS_INSTALL_PATH/demolocation/PERMANENT/PROJ_INFO file contains: </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">name: Lat/Lon </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">datum: wgs84 </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">towgs84: 0.000,0.000,0.000 </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">proj: ll </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">ellps: wgs84 </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">I assume this is the default projection GRASS is using when invoked from WPS processes. </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">I tried to use another location using EPSG:25830 but still the resulting geotiff is in EPSG:404000. </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">To do this first I have used GRASS GUI to use the location wizard to add a new location with EPSG:25830 as default. The PROJ_INFO file under ~/grassdata/30N/PERMANENT/ looks like </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">name: Universal Transverse Mercator </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">proj: utm </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">datum: etrs89 </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">ellps: grs80 </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">zone: 30 </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">towgs84: 0,0,0,0,0,0,0 </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">no_defs: defined </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">Also added copied .grassrc70 to 30N folder and changed it contents to </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">GISDBASE: /home/administrador/grassdata </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">LOCATION_NAME: 30N </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">MAPSET: PERMANENT </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">GRASS_DB_ENCODING: utf-8 </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">DEBUG: 0 </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">GUI: text </span><span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"> </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">Maybe I am not understanding how to work with projections... </span><div>
<span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">I really hope anyone can help me out with this because I need r.los algorithm to be invoked from WPS.</span></div><div>
<span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"><br></span></div><div><span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">Thanks,  </span><br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">
<br style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Verdana,Geneva,Helvetica,Arial,sans-serif;font-size:13px">Santi </span><br>
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