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<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;text-indent:0cm;line-height:normal;font-size:11pt;font-family:"Calibri",sans-serif"><span style="font-size:12pt;font-family:"Arial",sans-serif" lang="EN-US">Dear Qgis-Users,<span></span></span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;text-indent:0cm;line-height:normal;font-size:11pt;font-family:"Calibri",sans-serif"><span style="font-size:12pt;font-family:"Arial",sans-serif" lang="EN-US">I am relatively new to Qgis and working on a project to georeference
webcam-images and then determine the areas covered with snow.<span></span></span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;text-indent:0cm;line-height:normal;font-size:11pt;font-family:"Calibri",sans-serif"><span style="font-size:12pt;font-family:"Arial",sans-serif" lang="EN-US">To get an estimation of the quality of the projection, I would like to
create a raster with the values of the angle of view from a certain point – the
camera position. If the angle is near 90° the projection is likely to be
accurate, the more it becomes an pointed angle, the bigger possible errors will
get.<span></span></span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;text-indent:0cm;line-height:normal;font-size:11pt;font-family:"Calibri",sans-serif"><span style="font-size:12pt;font-family:"Arial",sans-serif" lang="EN-US">I already created a viewshed to determine the visible areas of the DEM.<span></span></span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;text-indent:0cm;line-height:normal;font-size:11pt;font-family:"Calibri",sans-serif"><span style="font-size:12pt;font-family:"Arial",sans-serif" lang="EN-US"><span> </span></span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;text-indent:0cm;line-height:normal;font-size:11pt;font-family:"Calibri",sans-serif"><span style="font-size:12pt;font-family:"Arial",sans-serif" lang="EN-US">I would be grateful if you could help me out,<span></span></span></p>

<p class="MsoNormal" style="margin:0cm 0cm 0.0001pt;text-indent:0cm;line-height:normal;font-size:11pt;font-family:"Calibri",sans-serif"><span style="font-size:12pt;font-family:"Arial",sans-serif" lang="EN-US">Surya. <span></span></span></p>





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