New answers tagged dem
0
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How to export an IDW DTM as a GeoTIFF file in R
setwd("C:/Users/niall/OneDrive - Maynooth University/GY641 Aerial Surveys & Drone/LiDAR Assignment/LiDAR Files/Ppointcloud")
las = lidR::readLAS("subsubset_ca.las")
dtm_idw &...
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0
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How to export an IDW DTM as a GeoTIFF file in R
dtm_idw is a SpatRaster from terra. terra::writeRaster does not have format argument. Load terra and remove format
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2
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Aligning two orthophotos with Metashape
This approach is unlikely to provide you with useful information. The surfaces and orthomosaics built by Metashape would have both exploited the positional data of the drone at the time of image ...
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1
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Raster map tips in QGIS?
I used this formula for the map tip on a DEM layer:
[% round(raster_value(@layer_id, 1, @layer_cursor_point), 2) %] m
It takes the current layer, band 1, at the mouse cursor position and returns the ...
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5
votes
Accepted
QGIS smooth mapzen DEM to create a very simplified topographic map
Solution 1: Discrete layer Styling
Simply create the effect using layer style: set it to singleband pseudocolor, choose a white to black color ramp and manually classify depending on the elevation ...
- 67.2k
1
vote
Accepted
How to fill pits for a DEM/CHM when using the LAScatalog engine?
What you are trying to do is to apply a custom function on the catalog. This should look like this (not tested)
chm_pit_filled = function(las, resolution)
{
chm = rasterize_canopy(las, resolution, ...
- 9,054
2
votes
Accepted
When loading a DEM in Google Earth Engine, it doesn't load the full map extend
As pointed out by @JonasV, it's the data. SRTM only covers the globe from 56°S to 60°N as shown here and described here:
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