<div dir="ltr"><div>I don't have the time for the real question but I can provide the Scale Factor.</div>3.28083333333...<div>or</div><div>3937/1200</div><div><br></div><div>Beware the international foot. It will be standard soon...</div><div>0.3048m = 1 ft</div><div>Then the scale factor will be 10000/3048</div><div><br></div><div><br><div><br><div><br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><font face="tahoma, sans-serif">J. Thaddeus Eldredge, PLS, CFM</font></div><div dir="ltr"><font face="tahoma, sans-serif"><br></font></div><div dir="ltr"><font face="tahoma, sans-serif"><img src="https://drive.google.com/a/ese-llc.com/uc?id=1qrs5IGpfROK1LxzY07PhB8YkTZ8sS5Ra&export=download" width="420" height="182"><br></font></div><div dir="ltr"><font face="tahoma, sans-serif"><br></font><div><font face="tahoma, sans-serif"><b>East-SouthEast, LLC</b></font></div><div><span style="font-family:tahoma,sans-serif">1038 Main Street</span><br></div><div><font face="tahoma, sans-serif">Chatham, MA 02633</font></div><div><font face="tahoma, sans-serif"><br></font></div><div><font face="tahoma, sans-serif">508-945-3965</font></div><div><font face="tahoma, sans-serif"><br></font></div><div><a href="http://www.ese-llc.com/" target="_blank"><font face="tahoma, sans-serif">www.ESE-LLC.com</font></a><font face="tahoma, sans-serif"><br></font></div><div><br></div><div><font face="tahoma, sans-serif"><br></font></div><div><font face="tahoma, sans-serif"><font size="1"><span style="color:rgb(0,0,102)">PRIVACY NOTICE - </span><span style="color:rgb(0,0,0)">This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. You are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this information is strictly prohibited.</span></font><br></font></div></div></div></div></div></div></div></div></div></div><br></div></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Aug 25, 2024 at 6:34 PM Cristoforo Montanari via Qgis-us-user <<a href="mailto:qgis-us-user@lists.osgeo.org">qgis-us-user@lists.osgeo.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="msg2845721975796444349">
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I have an elevation DEM in the form of a GeoTIFF file downloaded from USGS for a southern California area near Chatsworth CA. I noticed so far the the default co-ordinate system seems to be EPSG:4326 WGS84 with the elevations in meters. <br>
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I tried many ways to convert the CRS to NAD83 California Zone 5 along with the elevations and so far only the X and Y axis and not the elevation data are converted. I also tried to convert the elevation data over to feet with gdalwarp however I was not
yet successful at doing so. When I checked my elevations they were still in meters.</div>
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I tried to convert the elevations over to feet by applying a scale factor:</div>
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<span><code> "your_raster_layer" * 3.28084</code></span></div>
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<span> So far I couldn't get the raster calculator to accept the input. There was a dialog box that came up stating that something about my input was incorrect. Could I get some assistance please, how
to use the raster calculator with this type of DEM from USGS in GeoTIFF format to apply the conversion factors to the elevations after I converted to NAD83?<br>
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P.S.</span></div>
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<span> I seem to remember using QGIS a while ago and finding California Zone 5 in my basket of CRS's however this time around I am only finding NAD83 UTM 11. Is there a way to get back or download CRS
for California Zone 5 of NAD83?</span></div>
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