All Questions

I have followed this tutorial to create custom forms in Qgis (I work with version 2.18). However, I seem to be unable to control the shape and size of the form window. Thus, widets are frequently out ...

Is there a way to get the bounding box of a specific wms layer from geoserver?Please give me an example in which a getcapabilities request is fired on the geoserver for bbox of a specific layer? Note:...

I have some tab files that are actually references to a view in a mssql table. It looks like begin_metadata "\IsReadOnly" = "FALSE" "\MapInfo" = "" "\MapInfo\TableID" = "055372be-523f-430a-b603-...

Is it possible to set the input file of "Extract by Attribute" to an mssql based table view? In the drop down to choose the input DB I don't see the loaded db view and don't see a way to connect one ...

When I try to use the following expression, the preview shows me the correct sum, but when I click ok I get this notification. This tells me it can't calculate column "Subsidie J" It seems that it ...

I am trying to run a multiprocessing on a zonal statistic. I am super new on it I would like to implement this process: reading the shape file piece by piece from a PostGIS database since I am not ...

I used the following link to create labels with leaders, but since I have a polyline layer I used a different expression for the Geometry Generator: make_line( centroid($geometry), make_point("...

I have more than 200 layers in my PostGis database and I want to publish those layers in Geoserver using curl. I've imported one layer using the commande bellow but can't figure out how to upload all ...

Is it possible to fill no data around bridges without pixels blurriness (see picture). I use Elevation Void fill function, also tried in qgis No data filling and Grassgis r.fillnulls. I know, that I ...

i have calculated elevations of each point in that geojson file, but i don't know how to bind/insert these elevations values as [lat, lon, height]. I have extracted each point of lines in a shape ...

I have a Web app where I display WebMaps or WebScenes using the ArcGIS API for JS (version 4.10). It is working fine in desktop with maps or scenes shared both publicly or privately (where I need to ...

There are many hints on how to debug ArcMap (not ArcGIS Pro) python tools. But none of them seems complete, mostly the hints are obsolete, and not working. As a start of 2019 it would be great to ...

I have only one license of ArcGIS Server/Enterprise but I noticed that for ArcGIS Server versions there are different licenses. So I have one for version 10.1-10.4 (currently in use) and one for each ...

Is there a method to calculate the RMSE between 2 raster layers in QGIS? I have 2 point cloud files, 1 edited and the other not. After triangulation of each layer I have obtained 2 raster files. I ...

I am working in a distributed environment. i got the data update for a specific version of enterprise geodatabase. Is there any way to import that xml in specific version? We have a province level ...

I've created a mbtile file from a geojson layer using tippecanoe command tool. The qustion is that is it possible to publish this mbtile in Geoserver with mbtile extension? I've used the extension to ...

We can plot data with polygon in matlab as a data size of 651*1200*12 S.X and S.Y shows the X and Y values of polygon. for i = 1:12 subplot(4,3,i) pcolor(lon1,lat1,data(:,:,i)) ; shading interp ; ...

My project require me to find the coordinate of the target point using Traverse method. I can't find any example that allow me to get the target coordinate by using geo coordinate lat long on my map(...

Good day everyone, Does anyone have a link to a tutorial for using Qfield / Qfield sync plugin? My project folder is 25Gb and there is no way to add this onto the tablet.. I only need certain layers (...

Is it possible to move the Bookmarks from a panel to be in the top menu bar - so you would get ...Edit--View--Bookmarks--Layer... and clicking on Bookmarks have a dropdown that has Sydney, Melbourne ...

What datums were used in North America before NAD27? I googled around on this without luck. Also I found an old nautical chart of Lake Michigan, dated 1876, which states: Longitudes on this map ...

I have small PostGIS table and I have integer in it when I use negative sign on the integer value I can't enter the data in QGIS it doesn't ago further down than 0 am I doing something wrong or do I ...

A newbie here trying to learn QGIS for work. How can I select specific features of a polyline with the same values as the attributes of the buffer polygons I generated? I have a layer of polylines ...

I have a dataset that I would like to geocode using an API, but I am anticipating some difficulties. It would be helpful to know: is it even possible to geocode this? if yes, what API(s) would be the ...

If you look at this reproducible snippet, when knitting, the first small multiples set renders both its and the next small multiples' title variable in the first set of maps. Here's the reproducible ...

I have two groups of items I want to multiply, using the Times tool. I have a geodatabase full of density raster layers. I also have an excel sheet. This excel sheet has a column listing the names ...

I have a layer within my project that has been filtered to show the associated point with the associated Atlas feature: But when in composer view and there are both point types within an Atlas ...

I was working on a DEM image which is a 32-bit image. However, I need to convert it to 8-bit image using ArcGIS Desktop. After the process I noticed the pixel values had changed. Can I now retain or ...

I have posted a screenshot of my index.html and JavaScript file. The problem is that It doesn't display any webmap. the only thing I can see is the head(h1 from my html. Any thoughts on this?

I have a 16-bit satellite geotif. These images can be visualised in a number of ways, depending on which stretch you apply. The default stretch applied by ArcGIS to these images produces a "natural" ...

import fiona Traceback (most recent call last): File "", line 1, in import fiona File "C:\Python27\lib\site-packages\fiona__init__.py", line 87, in from fiona.collection import ...

I'm trying to select features using a string comparison within my script using a QgsFeatureRequest() and getFeatures() roadsRequest = QgsFeatureRequest() roadsExpression = str(roadsIDField[0]) + ' ...

I have made a map of vegetation loss and gain for a polygon in Google Earth Engine using NDVI and would like to calculate the area where loss occurred. I attempted to use the reducer to get the sum of ...

I am using Landsat 5, 7, 8 images and RStudio. My goal is to compute the disturbance in a given area using the Vegetation Change Tracker (VCT) algorithm. I would like to ask you if you could provide ...

In my QGIS 3.4.4 main menu (not in a layout) I noted, under "Edit", an "Add Rectangle" option. So I tried it, and succeeded in creating a rectangle. However, I cannot for the life of me figure out any ...

I have been trying to make an atlas of cadasters, using different themes and rule-based symbolology, but one thing doesn't seem to work. On each atlas-page I want to put a table showing the ...

I've got a question about .showAttributeTables() - i'm trying to open two attrbute tables at the end of a query (selection of lines within a polygon layer) - I thought I could simply do somthing like ...

I am currently pan-sharpening 8-band multispectral raster satellite images with single band panochromatic images. I use Arcmap pansharpen raster function to achieve this. The pansharpened result ...

I have some custom ArcMap addins that I have built over the last couple of years. In one specific client environment, the addin installs correctly but when the user clicks the tool to execute it, the ...

I am a beginner in pgrouting. I have two tables in my postgres database. A street table, where each segment (see red line) carries an Id (ogc_fid). Additionally I have a nodes table (see brown points ...

I have written some code which creates a rectangle at the position of the user's cursor. There does not seem to be any method to do this in turf.js itself. And of course using the latlong-based ...

I've computed maximum NDVI for each month. but I don't know how can I write this code through a loop in Google Earth Engine? code link: https://code.earthengine.google.com/...

In my GeoServer I want to cache tiles for a layer. But when I am trying to seed tiles for a layer I can see the status as stated the image below. Tiles completed is -1. I am refreshing but it ...

I have a script that prints coordinates on mouse klick including snapped coordinates if snap is active. The strange thing is that there’s no symbolism on the canvas that shows that you are snapping on ...

Is it possible to change the position of the anchor point for the popup without using markers? I was testing with this example. This code shows a popup, but I want to adjust the position of the ...

I am working with ArcMap and I have a series (20) layers - polygon lines in a group. I would like to ask you a way to color (not manually) all the lines with a rainbow color palette. The lines are map ...

What database engine can be used for GE Smallworld? I have poor information but I read about Smallword proprietary VMDS. Is it possible to use Oracle or SQL Server?

I am looking for a way to efficiently track my whereabouts/tracks whilst traveling through the Australian bushland. In the past, I've just recorded my longitudes and latitudes from a basic GPS onto a ...

I used JRC image collection which is an image of global surface water from 1984-2015. var gsw = ee.Image('JRC/GSW1_0/GlobalSurfaceWater'); Is there anyone who previously worked with that ...

I have a map of Nova Scotia published by the Department of the Interior Canada in 1924 which I would like to georeference. The map has a graticule labeled with latitude and longitude. According to a ...