Deleting duplicate records in the attribute table and keep the minimum value in PyQGIS?
Hiking & ActivitiesHow do I delete a field in Pyqgis? To delete a field, simply can be used deleteAttributes method from data provider class. The method required a list that contains field index to be deleted. What do you need to remove duplicate values within the table? Follow these steps: Select the range of cells, or ensure
Selecting multiple coded values for domains
Hiking & ActivitiesIs it possible to select multiple coded values in a domain field in ArcMap? Answer. No, it is not possible to select multiple coded values in a domain field in ArcMap. This is also a limitation in ArcGIS Online. How do I select multiple values by attributes? Separate each value with a comma.Procedure In ArcMap,
Moving points in QGis by typing coordinates
Hiking & ActivitiesHow do I manually move a point in QGIS? Moving vertices: Select all the vertices you want to move, click on a selected vertex or edge and drag in the direction you wish to move. All the selected vertices will move together. How do I enter GPS coordinates in QGIS? Map Coordinates with QGIS Click
How to make a new raster out of two other rasters
Hiking & ActivitiesHow do I combine two rasters into one? Type merge in the expression box. Double-click one of the rasters in the Layers list and add a comma after the raster’s name in the expression box. Double-click the next raster in the Layers list and add a comma. Repeat until all rasters have been added. How
Unexpected result for the Intersection of touching polygons
Hiking & ActivitiesHow do you find the point of intersection of a polygon? Compute the center of mass for each polygon. Compute the min or max or average distance from each point of the polygon to the center of mass. If C1C2 (where C1/2 is the center of the first/second polygon) >= D1 + D2 (where D1/2
What are duck egg patterns in weighted moving average spatial interpolation method?
Hiking & ActivitiesWhat is the principle of spatial interpolation? Spatial interpolation is the process of using points with known values to estimate values at other unknown points. For example, to make a precipitation (rainfall) map for your country, you will not find enough evenly spread weather stations to cover the entire region. What are deterministic methods for