On 27.11.20 10:52, Raymond Nijssen wrote:
...
Last week I had a similar idea for a plugin that could tell you which
UTM zone to pick for your current canvas. I decided it would not be
worth the effort. But maybe these could go together (and be finished
at the end of this "KwakFriday"?
Isn't that already covered by the "Projestions" plugin?
Regards,
Raymond
On 27-11-2020 06:13, Nicolas Cadieux wrote:
Hi,
It's just the Z factor needed when you make a hillshade when the x an
y are in degrees and the z is in feet or meters (like SRTM). You can
see it if you choose Hillshade under symbology / render type (for a
raster layer). It's basically the length of a degree in meters for
latitude.
https://www.esri.com/arcgis-blog/products/product/imagery/setting-the-z-factor-parameter-correctly/
Nicolas
On 2020-11-27 12:08 a.m., Richard Duivenvoorde wrote:
On 11/27/20 5:28 AM, Nicolas Cadieux wrote:
I want to learn to make a QGIS plugin and I was wondering if
anybody new if there is a QGIS plugin or tool that calculates the z
factor for a particular latitude? I thought this would be an easy
project to start with but I don't want to duplicate someone else's
work.
Hi Nicolas,
What do you mean with "calculates the z factor for a particular
latitude"?
- z-factor as in x,y,z?
- Do you mean based on a crs/datum? So more proj-based?
- Or do you mean based on a known dataset with not enough z-info? So
more extra/intrapolation?
- Raster? Vector?
- Creating a new dataset (processing)? Or just reporting for one lat
(desktop/gui)?
Just trying to get an idea of your idea :-)
Regards,
Richard Duivenvoorde
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