All Questions

I have QGIS pinned to my taskbar, right clicking shows that it's named "QGIS Desktop 3.8.2". When I run it and open projects some of them open a new taskbar item called "QGIS 3". This also happens ...

As you can see in the picture I'm trying to get NDVI values as a featureCollection. But the "ReduceRegions" function does not recognize the input. How to solve this problem ? Thanks for you answers.

I tried to copy environment to another PC before and it worked with me Now I got the error below . This application failed to start because it could not find or load the Qt platform plugin "windows" ...

For a QGIS plugin I want to access the layers in a group called 'Drawings'. For this I want a ComboBox with the list of layers. I tried different methods but can't get past the fact that i am refering ...

I am using GeoPandas and I want to plot two layers. I want the map to have the extent of the smaller layer. With this code below, the map's size automatically fits the bigger layer. import geopandas ...

I have a form designed in QGIS 3.8.1. The form is associated with a layer for inputting data. Many of the fields on the form are only relevant if the first field is equal to True. Example: Field 1: ...

I applied the following function of the R Tmap package: library(tmap) data(NLD_muni) NLD_muni$perc_men <- NLD_muni$pop_men / NLD_muni$population * 100 tm_shape(NLD_muni) + tm_polygons("...

I created a raster with the function rasterFromXYZ() in R using a dataframe with coordinates and the value of a variable, the result was this: plot(raster1) which is exactly what I need. Now I just ...

I have an image uploaded to GEE, which has H, A and Alpha as bands and Sentinel-1 GRD image after Lee filtering (VV and VH as a separate image). I tried addBands and toBands. They both are not working....

I created a plugin and I added my separate python file(added in plugin path itself) in the created qgis plugin. In that separate python file, I called a DLL file like below, import sys import clr ...

I have a series of polylines representing water pipelines that I want to clean up. I want to split the pipeline polyline at key locations where there is a fitting such as a stop valve or hydrant. ...

I have a trajectory given by GPS which I store as a ST_LineString() and I'd like to know the area covered by the line string. I know the "width" of the trajectory, but I'm not sure how to approach the ...

I have a PostGIS database for several projects, most of which we work with in QGIS. Each project has it's own schema. For each schema I have created a group role project-members, where project is ...

I made a tree view kendo to enable the user to turn off or turn on the two layers "osmlayer" and "bing_road". but the treeview is just shown and does not work. first of all chrome debugger showed that ...

I have two vector layers and I am looking for a tool for spatial distribution of the polygons. polygon 1 is the frame, polygon 2 are objects with different size and distribution. I need an index value ...

I am using ArcMap 10.5.1 and want to create a layer from a selection of another layer (Selection > Select by attributes..). This works fine and my new layer is displayed. Now I want to assign ...

I have multiple layers, with multiple features, where I am interested in extracting information from a given feature within a rectangle. I am able to achieve this using the following filter, ...

I pretty often get lots of vector files with different column namings. I need to produce a defined vector data file with certain columns. Is it possible to build a model that allows to make a mapping? ...

Problem as shown in the image: I like to correct the GPS track (orange) to the right road (black). In a network of roads it is difficult to snap to the right path - for human it's obvious which one ...

When i import NetCDF file (.nc) to QGIS then I get a picture that consists of quite big pixels. Is it somehow possible to soften those pixels to get something like this:

Is there any nosql database which supports the below 1) Should support local coordinates (spatial data which holds the coordinatesof door, Infra, etc.) 2)Integration with Geoserver.

I am trying to get the feature attributes from WMS service published in GeoServer and showing the attributes as a popup in the .NET application. When I make an Ajax call it gives "requested JSON ...

I want to verify the height of the ground which is provided to me with the help of an app if available. Of course, I am aware an app will not give me exact value but for me, it works if it shows ...

I'm trying to make a web application that is able to : 1) Upload raster data to GeoServer so when I use this command on cmd it works curl -u admin:geoserver -v -XPUT -H "Content-type: text/plain" -...

I have a shapefile that I would like to save to a specific catalog database. I created a new database connection in arc catalog but I am not sure how to save this shapefile that was sent to me via ...

I have generated some building blocks in CityEngine and exported them as "Multipatch feature class" in GeoDataBase, then I imported them into ArcGIS Pro and tried to convert them into 3D GeoJSON ...

I want to convert the full map I have in Pathloss 5.0/MapInfo 9.5.1 format into PDF so that I can access the whole map in a PDF file. If I zoom in, the PDF file will be zoomed into the smallest ...

I have 5 groups of 4 lines, all the lines in all the data sets are centred around the same point. I need to algorithmically combine these lines into one line that is only the furthest from the point. ...

I need to embed a twitter feed into my Operation Dashboard. I went to Publish.twitter.com and entered the name and copied the code. When I add the URL it gives me this notice: ...

I'm creating a Python Toolbox using ArcGIS 10.5 that ultimately creates a new feature class and .lyr file from the layers in a current .mxd table of contents. I need the new feature class and .lyr ...

A previous employee collected waypoint files, exported them from our Trimble device through Pathfinder and converted into Shapefiles in ArcGIS. I want to re-group those shapefiles and convert them ...

The maps look good, and the legend symbols match the maps. Once converted to .pdf the map legend symbols degrade to basically nothing. Horizontal red line patterns, or any colored line patterns for ...

I have a land use cover map with different classes (Residentials, Other artificial surfaces, agriculture land etc). Also I have a shapefile with monitoring stations measuring air pollution (point ...

I am trying to find the intersection between two arcs. I have done this for line segments using shapely package. Does anyone have any advice?

I cannot get arcpy.Integrate_management to work. I can run as a standalone process in ArcMap just fine, and if I copy the result as a python snippet I get: arcpy.Integrate_management(in_features="...

I have a problem concerning the work in different software enviornments. I used ArcMap to composite Sentinel-2 bands to raster stack. I always watched carefully to use the same CRS. Then I used the ...

In the context of a RUSLE erosion modelling I would like to calculate the sum of precipitation at the entry date of phenological phases. Suppose I have 13 grids, one of which is the phenophase entry ...

I am creating a point feature class in a file geodatabase to use a template so users can create standardized data. I have successfully created subtypes and domains for the database with a Python ...

I need to do some linear referencing work with a network of lines with specific beginning and endpoints. The first step is to take the network of lines and use the geoprocessing tool "Create Routes" ...

In QGIS I have a multipolygon layer that has about 100 polygons in it (property boundaries) and I will need to continually add polygons to it as they become available. What is the most efficient way ...

I'm quite novice in python and arcpy (and in English ...) I have a river network with Strahler orders (starting from 1). I want to create a new network where the new streams will start from order 1 ...

I am custom formatting my coordinate grid. Is there a way to change the following formula so that the output comes with a decimal and suffix: substr(@grid_number, length(@grid_number) -6,5) The ...

I have been having issues when running geoprocessing tools in ArcMap 10.6 where the tool crashes and refuses to popup fully. The issue can be resolved by changing the internet security setting from "...

I have access to ArcPro at my workplace and will be transferring a project over to someone who will be using Qgis. I have saved my layers as a layer file but the problem is that the other person is ...

I need to obtain high-resolution RGB satellite images with reasonable cost for Pakistan. The objective is to guide tourist on high-resolution GIS maps. Google Earth does not have very high resolution ...

I have average wind speed NetCDF file (.nc) that I imported to QGIS. Then I defined colors for wind speeds in equal interval (3, 3.5, 4, 4.5 etc). Now I would like to save this colored map for sharing ...

I have set up some 1 KM grids via a country Shapefile and I want to get the coordinates of the four corners into a CSV file. I am using MMQGIS (QGIS plugin) and I'm trying to run a geometry export to ...

Still a little new to QGIS and Openlayers. How would you display QGIS's "Map Tips" into OpenLayers? I am currently using QGIS 2.18 and have the latest update in Openlayers. In QGIS, I have created a ...

I made a project for finding build-up area of a city. It was running fine a month ago but now it compile sometime or give the compile timeout error. Here is my code: var cloud_masks = require('users/...

I've installed QGis 3 on Mac using osgeo4mac and wrote a script in the Processing Script Editor. The script works fine but when I try to divide it into several modules, I get an error when importing ...