All Questions

How can I use gdal_translate in node-gdal? I'm trying to use the following command: gdal_translate C:\test.tif cog.tif -co TILED=YES -co COPY_SRC_OVERVIEWS=YES -co COMPRESS=DEFLATE.

I performed object-based methods to calculate a mean (zonal statistics) for connected pixels adapted from this guide: https://developers.google.com/earth-engine/guides/image_objects#label_objects Here ...

I would like to have all the points highlighted within the other highlighted GeoJSON polygon. Next, I would like to have them displayed in the panel next to or at least in the console (for now). The ...

Is it possible to create a polygon outline as a dashed line with an inner gradient (see image #1)? Currently I have a hack job that sort of works (shapeburst fill with a dashed line above in the ...

I'm trying to create a shapefile with the extent of my raster so that it can be used as a mask to clip with. My shapefile has no datapixels along its boundary and is irregularly shaped. So far I've ...

The raw data is at the state level and I would like to go down to the county level. To do this, I first adjusted the data to county level and then interpolated it. The raw data on state level looks ...

I have one point layer and one table inside a GeoPackage. Let's say within the layer attribute table I have 4 columns (A, B, C and D) and in the table I have also 4 columns (E, F, G and H). The ...

Referring to the below snapshot what is the best possible way to find the road distance from the red star node to all of the yellow nodes using PostGIS. Note: I don't have the road distance data ...

I have grid, every part of grid have label with date. What I want is to put labels at polygon top. I tried to use displacement, but I have specific situation when parts of two polygons are visible. ...

I'm trying to add an MVT layer to my Mapfile, but it doesn't work and I ran out of ideas. Some info about the layer I'm trying to add: https://support.regrid.com/articles/using-the-tileserver/ This is ...

I am trying to create tools to convert CAD to KMZ with ModelBuilder. It is not working very well. How can I modify ModelBuilder for that to work correctly? Here is screen: My tools is working only in ...

I have been working with FUSION/LDV: Software for LIDAR Data Analysis and Visualization for LAS data processing. Particularly I am using such commands as GridSurfaceCreate - to create a gridded ...

I am trying to check the efficiency of the classification. The classification accuracy and kappa test for 2020 are 0 while for 2000 is 1. I am just not able to put my finger on what is incorrect as ...

Can you stop the label callouts from unnecessary crossing the polygons and just go outwards. Picture below is with the suggested change

In my project, I have a connection to a WMS layer (https://geodienste.hamburg.de/HH_WMS_Cache_PLIS_Geodaten). The layer seems to be connected to a database. With the "get feature info (i)" ...

I am trying to connect to a PostGIS database (hosted in a docker container) on a remote server with GRASS. I am able to connect with psql and confirm that the table is there (IP redacted): psql -h x.x....

I try to filter my layer in QGIS comparing the value of two fields. Somehow, this code doesn’t work: ( "Field1_integer" <> to_int( "Field2_string")) If I use the same code ...

I imported some DEMs to my PostGIS db and two have unknown CRS (maybe because their CRS code is Esri and not EPSG). Do I update the raster_columns view or do I directly set/assign the CRS of the said ...

I am getting this weird error while using join attributes by location in QGIS, I have two layers - Source & Target. I am joining by target to source features using intersect option in join ...

I have a set of UAV images and I want to publish them by GeoServer. I have been thinking to use ImageMosaic plugin to provide front-end(Openlayers) with WMS. But an error occurs when I try to seed the ...

I've been trying to figure out what is exactly going on with this GeoJSON polygon. What might be the underlying cause? The output is in GeoJSON, however, it's obviously invalid GeoJSON. I think it ...

This is my code /** * Function to mask clouds using the Sentinel-2 QA band * @param {ee.Image} image Sentinel-2 image * @return {ee.Image} cloud masked Sentinel-2 image */ function maskS2clouds(...

In QGIS, I have been happily creating polygons using "Add Polygon feature" and clicking each vertex to create my polygon, right click to complete. Now for some reason, The Vertex tool has ...

I wish to calculate the number of inhabitants (population) who live within settlements less than 500 meters from highways and from local roads and how many marines are located less than 20 kilometres ...

I am having some trouble exporting my data. I am trying to export the temperature, precipitation, digital elevation, and GLDAS outputs (eight of them) for each of the data points (time, lat, long) in ...

How to extract the GeoJSON from the following URL to CSV ? https://api.met.no/weatherapi/locationforecast/2.0/compact?lat=60.10&lon=9.58 Also what option to use to get/import this data to layer?

I have a polygon and I want to extract both the value and coordinates of every pixel of a landcover raster within that polygon into a CSV spreadsheet. I will use that to perform computations outside ...

I am trying to change the pixel width and pixel height in the GeoTransform inside a georeferenced .tif file. I wrote a bit of code to read the file then change the GeoTransform parameters and write ...

I am trying to add some newly created columns to an existing table in PostGIS table from GeoPandas. Previously, I've pulled the data out of my database, run geocoding, and then created new columns ...

I've got a workflow that appends values from a CSV file into a geodatabase table. Using field mapping, I've got the CSV column mapped to a text field. The issue I have is that the CSV column ...

I'd like to increase the font size of my layer "Grid". The field is "MAPSHEET" on Grid's attribute table. I've tried all sorts of ways to write it out in code to no avail. I'm ...

I have a GeoTIFF in which the data represents flood heights. I want to create a 3D vector that shows the flood heights from the GeoTIFF. Please suggest any methodologies/tools if this is possible.

Since maps are flat, I feel like the PCS is needed for the spatial data layer to know how to draw it out, but I think the layer also needs the GCS for the coordinates to show where the location is on ...

I had finished building a nice layout with my maps, inserts, scale bar, and text boxes. However, when I changed the layout from landscape to portrait all of the map elements such as the text boxes and ...

I have simple line layer created based on shapefiles. It can be viewed in GeoServer with OpenLayers preview: I also can be imported and correctly viewed in QGIS. I tried to visualize this layer over ...

I'm setting up over 100 layouts of different maps. I would like to control extents of layout map from one place, let's say via variable. I tried a way using QGIS global variables but it seems to not ...

I am working on a QGIS file in which I have to count the number of neighboring municipalities with the same attribute and find out the number of municipalities with the same attribute within 10 mile ...

I am not super experienced with ArcMap. I am using ArcMap 10.6 and I need some help getting distance around a barrier. Here is the issue: I have some mark recapture data regarding sea turtles. It is ...

I have two datasets, one with administrative boundaries from one source, and coastlines from another source. I want to use both these sources to create a map, however the administrative boundaries are ...

I'm trying to create an sf object of polygons which are buffer regions clipped to the polygons used to create the buffers. Using st_difference returns an sf object with all combinations of both sf ...

I have a DEM and a separate shapefile of all the roads within the bounds of the DEM. I want to combine the elevation data with the road data so that I can have the roads displayed with a graduated ...

I want to create a shapefile with the geometry type Line. For this purpose I make a classification in the symbolization, because the lines are assigned to different meanings. For example: Value a --&...

I would like to perform some manual classification on a single image of S1-data which is fairly simple: either a pixel is classified as 'Water', or it is classified as 'Land'. I did these ...

I have few hundred raster files and I want to count the number of pixels having values within a specific range. Following code works well when using == operator e.g., raster_file == 25, but gives ...

I want reshape my circle so that its border doesn't cut through any houses on my basemap (Envitia). In the sense that if it does, then go around that property, as depicted in the image. Is this ...

Our company rented server (Windows Server 2016) where we've got ArcGiS Server (Enterprise) + FME Server. And some FME jobs (workbenches) using FME SDE Readers. So reades takes some vector objects from ...

I would like to plot a modis timeseries using GEE. I would like to scale the values and I am using a custom function to do as I am applying to a ImageCollection. When I run the code the data displays ...

I need help exporting this data. I don't know how to make the line of code to download. I think the error is in image: s2,, right? Code: var addEVI = function (image) { var EVI = image.expression( ...

When exporting a clipped image, the area between the image boundary and the image bounding box is set to NaN by GEE. Is there a way to set those to a nodata value instead? I tried img.unmask(ee.Image(-...

I've set-up a project with an editable layer (PostGis) with linear geographic elements in qgis and Lizmap. I would like some fields to be automaticaly filled when an user create a new object. List of ...