Questions tagged [elevation]
The vertical distance of a point or object above or below a reference surface or datum (generally mean sea level).
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Convert a RGB LiDAR raster image to a greyscale height map in QGIS [closed]
I am fairly new to the world of GIS and also using QGIS. I normally use a greyscale height map to create a 3D terrain in external 3D software. I have a location where I only have access to a RGB ...
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Google Earth Pro not saving elevations
I have terrain turned on, and tested all options for altitude but each time I save the track the elevation is set at zero. I simply use Notepad to examine the output file. Simple test to check what ...
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deck.gl GeoJSON point layer not extruding
I have a GeoJSON layer in deck.gl which I'm trying to extrude based on the elevation property.
E.g.
{
"type": "Feature",
"geometry": {
...
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Min/ Max Elevation per Polygon (Delaware)
I need to find the min/ max elevation per pressure zone (polygon layer). I'm struggling to find good input data - DEM or Elevation or... what should I use? Also, are there available tools in ArcGIS ...
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USGS slope less than 30° excluding water bodies (Earth Engine)
My goal is to get the land with less than 30deg of slope and exclude water bodies. The USGS/3DEP/10m dataset in Earth Engine produces a slope of 0 for water bodies (e.g. lakes, or ponds). I'm curious ...
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How to get Orthometric (or geoid) Elevation in QField?
enter image description hereHow to get Orthometric (or geoid) Elevation in QField?
Is it possible to import Geoid model in QGIS? Or calculate by some function?
Because in QField I can only get ...
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Raising/lowering extracted contour layer using QGIS
Is there a way to raise/lower an extracted contour layer?
I've scoured the properties panel and have tried to raise/lower "elevation" menu, but when I make changes there nothing happens to ...
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Elevation profile tool never "finishes", or creates the section?
I am struggling with the elevation profile tool in QGIS, trying to get it to "finish". I draw a line through my focus area, but no results appear in the section window. It should be noted ...
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GRASS r.horizon returns nonsense
I am trying to calculate the horizon profile from a point on a mountainside, through the appropriate DTM elevation file and the GRASS function r.horizon.height (via QGIS).
However, the output looks ...
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Is it possible to request GML using WFS-T for ZM type geometry? (Point ZM, LineString ZM, Polygon ZM)
I'm a newbie here. I'm not sure whether my question is good or not...
But, I want to ask something.
To use Transactional Web Feature Service (WFS-T) to insert an object of a Point type, I sent a ...
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Satellite ground station site selection
I want to carry out suitability of a few identified Area of Interests to set up satellite ground station. The main requirement of the ground station is: it needs to have visibility above 10 degree ...
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QGIS Elevation profile using Point Cloud and Polygon layer with Z value
I'm trying to use the Elevation profile tool with a point cloud and a polygon layer (with Z values). I wish to use the "capture curve" to view a section and I expected to see the polygon ...
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QGIS Map Atlas Expression - How to refer to atlas_pagenumber in an expression for elevation symbology
Can anyone point me to an example of how to refer to the current page number of QGIS Map Atlas layout within an expression for elevation symbology (which doesn't seem possible) or alternatively how to ...
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When loading a DEM in Google Earth Engine, it doesn't load the full map extend
I want to download a digital elevation model for a major part of Europe.
Last time I tried it with the "NASA NASADEM Digital Elevation 30m", wich can be found here: https://developers.google....
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Implementation of below equation in jupyter or gee
Explanation for the equation: where A is the azimuth of the search direction, (xi , yi )are the coordinates of the cell of interest, and (xy , yy )are the set of all cell coordinates located along the ...
