How to change “No data – -3.40282e+38” in a raster through interpolation using QGIS?
Hiking & ActivitiesHow to fill Nodata in raster? With a bit of trial and error, we’ve found the most effective way to fill in NoData cells is using the Close Gaps tool. You can find the Close Gaps tool in the Grid toolbox. Change the input raster to your DEM or any raster data set with holes.
How to cut / paste only certain features from a vector layer onto a new vector layer in QGIS?
Hiking & ActivitiesHow do I copy selected features to another layer in QGIS? Use the Select feature by rectangle tool to select the feature in the map (copy from). Click the Edit (menu)>Copy Features button. Highlight the layer in the TOC that the feature will be pasted to. Click the Edit (menu)>Paste Features button. How do I
Get WKT from polygon centroid
Hiking & ActivitiesWhat is the formula for centroid of polygon? Centroid formula You could evaluate v = x∘ y’ – x’∘y first. Then A is half the dot product of v with a vector of all 1’s, and the centroid x and y coordinates are inner products of v with x + x’ and y + y’
How to find elevation highest and lowest for a state or city
Hiking & ActivitiesHow do they determine the elevation of a city? How it is determined Global Navigation Satellite System (like GPS), where a receiver determines a location from pseudoranges to multiple satellites. Altimeter, that measures atmospheric pressure, which decreases as altitude increases. Stereoscopy in aerial photography. Aerial lidar and satellite laser altimetry. What is the highest and
Dissolve multiple shapefiles so that touching polygons become one: GDAL/OGR
Hiking & ActivitiesHow do I combine multiple shapefiles into one shapefile? Merging Shapefiles in ArcGIS Desktop Add two or more shapefiles in ArcGIS Desktop. Select Geoprocessing. Select Merge. See Merge Tool screen. Add the two or more shapefiles in Input Datasets. Save the Output Dataset. Name the Output shapefile. Press OK. How do I combine multiple polygons
ArcGIS Pro not opening .tif image
Hiking & ActivitiesHow do I open a TIFF file in ArcGIS pro? ArcGIS Pro: click the Add Data button, browse to . tif file(s) to be added, then click Add. Global Mapper: File > Open Data File(s)… and browse to . tif file(s) to be added, then click Open. How do I open a TIF file in