All Questions

I use Python to write scripts based on gdal library. I want to specify which bands do I need to process with gdal.Warp and I use gdal.WarpOptions() parameter as mentioned in API. But my PyCharm IDE ...

I have a .csv file with a selection of UK postcode points (eastings and northings reference) which I am trying to save as a .shp. I can import the .csv fine but it defaults to a WRS encoding and I ...

I've made a custom ui form for entering data in a GIS database built with PostgreSQL and QGIS. This is a relational database and I use the Relations properties in QGIS to implement this relations (one-...

Saying a have two DSM from the same location in Nepal, but they were acquired from different methods and have different elevations. It is not constant, so I cannot use the raster calculator in QGIS to ...

I'm a beginner in sigloc package r cran. I have more than 100 points with easting northing and azimuth. I am trying to locate emitter. Estimated Location is wrong and the following error message ...

Is the natural neighbor ( or even nearest neighbor) considered an exact interpolator? I believe splining or kriging could be considered exact... but what about the natural or nearest neighbor?

I would like to read the data from PostGIS OSM database to Java object. I have 'planet_osm_line' table. I'd like to get 'osm_id' and 'way' column read by ResultSet, as here: stmt = con....

I am using the bfastSpatial package in R. One of the parameters that I have to set is the QC_val=0x 'a number'. I do not understand what number I have to insert. I am using MOD11A2 product (MODIS LST ...

I have downloaded the QuickMapServices Plugin for QGIS, however when I try to open an OSM layer (or any layer) nothing happens. It appears in the legend, but not in the project workspace (other layers ...

I have been using the Random Trees (RT) algorithm in ArcMap 10.6 for classifying some Landsat raster imagery. I have the training data file which I input into the Train RT Classifier to produce the ....

From my own QGIS plugin, I want to print text to the python console (see motivation below). Most simply, I use import sys sys.stdout.write('Outputtext') And get: AttributeError: 'NoneType' ...

I want to add a repository (bitbucket repo from atlassian) to my qgis3.4. The repository is not public, and I have a p12 certificate to access the repository. In that repository, I only have one qgis ...

https://code.earthengine.google.com/e430e2a79aecb65e3efbce23779a0abc I have written this code for supervised classification using the cart classifier. Now I want to extract the no. of pixels in each ...

I have a two line shapefiles (Trace.shp and Snap.shp). There is a GIS_ID field in both files. Now I want to snap "Snap.shp" to "Trace.shp" according to GIS_ID value. I have tried to use Snap tool for ...

I've searched for a Software or GIS Algorithm for swapping plots in an area by land owners and I didn't find anything. Do you know something similar or a software/gis developer that did that? For ...

I've applied MBstyle (gs-mbstyle-2.13.2, gt-mbstyle-19.3) extension for GeoServer (2.13.2) to style layers in mvt format. It works fine for simple styling but the problem occurs when I want to set the ...

I am searching an easy way, like code, I have about 70000 parcels from the city. How can I separate north, south, east and west of each parcel according to their neighborhood?

I am exploring TomTom Maps API for a project I am working on. Below is the reference link I used : https://developer.tomtom.com/maps-api/maps-api-documentation-vector/tile. I require to get the ...

I have downloaded images of Landsat. Unzipped them and need to stack them to further process the images for lulc... How do I proceed? Also I have a stacked layer in .img format done in Erdas imagine....

I need to convert a track log into a .shp line. In previous versions I could create one but in 3.2 only a point feature is possible not a line.

I have updated QGIS into 3.4 Madeira version. I can't find MOLUSCE plugin in this new version. Is it not available for newer versions?

X=19, Y=66 and P=2. Apply IDW to compute height at X (SAMPLE POINT, X-COORDINATE, Y-COORDINATE, HEIGHT-VALUE) (11 , 41 , 60 , 56.90) (14 , 21 , 40 , ...

Does LiDAR data suffer from the speckle noise like the SAR images and ultrasound cardiac images I'm used to? I think speckle noise is inherent to all active sensors, but I'm not sure for LiDAR ...

1 input file(s) read. 413 position(s) read. A total of 18 feature(s) read or created. 18 point feature(s) read. Unable to transform GNSS coordinates into the chosen coordinate system.

I just (December 12, 2018) downloaded the training manual and data. I'm trying to get started but I cant find the first part to download the OpenStreetMap part. "In the Vector menu dropdown, select ...

NameError: name 'row' is not defined

I have a mesh ( with points and triangles that define it), and I will need to create a DEM model out of it ( in geotiff format if possible for space consideration, if not, then in ASCII grid format). ...

I have been trying to write a short code to select items in a line layer that are longer than 2000m, but I don't have much luck at the moment now. layer=iface.activeLayer() selected_fid=[] lenth=[] ...

I'm trying to transform a set of shapefiles (49) that contains nearly 2500 LineStrings each and also different columns of information. So my intention is to obtain only this additional information ...

I'm trying to create an animation using Timemanager on QGIS 2.18 but I'm struggling. I have a dataset composed by a list of businesses and their opening/closing time. This is what the dataset looks ...

I am new to QGIS and GIS systems in general. I have a shapefile of zip codes with associated populations inside them. I also have random lat/long points. I am trying to find the number of people ...

I used the ArcGIS Pro SDK to create my Add-In project and to create the DockPane but the Esri Brushes don't show up as Dynamic Resources. According to Esri (https://github.com/Esri/arcgis-pro-sdk/...

I was trying to get the cloud mask in GMLlL format provided by ESA to a raster cloud mask. I was trying to convert the GML to a shapefile first and then convert the shapefile to a raster. Is there any ...

I have searched everywhere online on How to use featureCollection in the operationalLayers of CMV. Is any sample code available?

I am trying to plot a time series for my TIFF stack MODIS EVI with the rts function. I am trying to use this script but I do not know if I can use it for my TIFF stack. path <- system.file("D:/...

I have an existing .osm file (containing a small part of OpenStreetMap database). I am looking for way to convert it into .svg file. Note that I am not interested in applying any styling based on ...

Win7 x64, QGIS 3.4 installed through OSGeo4W with 'Advanced Install' Here's my workflow: Get the template directory from PluginBuilder3 Navigate to this folder in the OSGeo4W Shell Use call "...

How can I correctly display my slope in Google Earth Engine, at the Map.addLayer function? I don’t quite understand how to set up the min and max values on scale or offset. I want to show increasing, ...

I am trying to create an Operations Dashboard in ArcGIS Online and want to track progress towards a goal. The goal is a sum of features (count of potential_customers, subtyped as residential). ...

I am using QGIS 3. I have multiple shapefiles, each contains multiple polygons. I would like find out area of overlap between polygons within the same shapefile, and also those between polygons in ...

If it is best to open cursors using a with statement to ensure it is deleted, like so: with arcpy.da.UpdateCursor(fc,fields) as cursor: Then, if a cursor is used as the iterable in a comprehension ...

I am trying to fetch data from API hosted on a private server into operational Layer in CMV. I tried loading an array of Json data into a source property of the operational layer but it does not work. ...

I am running python code called skimulator on Windows 10 to model Arctic ice drift and sea/wave velocities for a satellite mission in 2025. Its installed using Anaconda navigator with a python 3, ...

I have a two stage application and would like some guidance. First, I want to create a shapefile of a "ribbon" that is color-coded by some attribute (such as roughness, surface material, pothole ...

Black points represent CSD coordinates for Canada and yellow points represents border coordinates (US/Canada). I combined these with North America major roads network. I am trying to find shortest ...

I have created region group raster and used this as the input to the zonal geometry too. The output raster I used as the input to raster calculator. I need to only show regions that are greater than ...

I wish to use "split by attribute" tool in ArcGIS ModelBuilder to split a shapefile (points with metadata) into different groups based on a parameter. The tool works and creates for example 4 .dpf ...

I have a layer of polygons that are pretty detailed. I need these to be more simple. Is there a way to make this into a polygon with just the outer boundries?

I have an ArcGIS 10.5.1 enterprise geodatabase hosted on PostgreSQL 9.4 (non-PostGIS enabled, but with SDE.ST_Geometry support). I'd like to add some feature classes as layers in QGIS. How can I do ...

I've tried to align 2 DSMs without success. They should have the same elevation (I got 1 DSM BEFORE a landslide and other AFTER) excluding areas where soil was moved, the DSMs do not match. They have ...