Top new questions this week:
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I want to merge lines and fill the gaps between them, but I cannot use the “Join multiple lines”-Plugin because I have to use the Graphical Modeler and in there is the plugin/tool not …
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I have a JSONB column with an array of locations. I want to do a Postgis GiST index on each of the array items. For example: [{ “location”:{ “type”: “Point”, …
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Raster used available here: https://www.dropbox.com/s/xn7hdll2op5zcc9/MAP_global.tif?dl=0. INTRODUCTION: The resolution of a raster is commonly related in degrees, e.g.: library(raster) r <- …
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I need a method to differentiate the two scenarios below where a line only enters a polygon and another where a line enters and leaves the polygon, crossing it entirely. On QGIS I tried using the …
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I am aware that there are tools available in QGIS for sampling a raster at any given point from a shapefile. The methods I’ve tried are: Point sampling tool plugin Raster analysis > sample raster …
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I have a lidar dataset from which I am trying to extract a DSM and a DTM (in meters) from it for EPSG 32614 (WGS84). Below info: lasinfo (220926) report for ‘C:\LAStools\bin\Data\Cornfield Non\Backup …
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In QGIS 3.18.1 I am doing sampling to estimate deer densities. I would like to know which tool I can use to specifically name points within quadrants. There are four points in a quadrant, each point …
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Greatest hits from previous weeks:
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The discussion at What is the difference between WGS84 and EPSG4326? shows that 4326 is just the EPSG identifier of WGS84.. Wikipedia entries for Google Maps and OpenStreetMap shows that they both …
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I’m missing all the usual processing tools in the Vector menu in QGIS 2.16 (e.g. Vector Overlay, Analysis, etc). They do appear in the processing toolbox but there’s no sign of them in the Vector menu….
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I updated QGIS to version 3.6 using OSGEO4w When I try to run any GRASS script, I get the following error message : This algorithm cannot be run 🙁 The specified GRASS 7 folder “C:\OSGEO4~1\…
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Is there an easy way (like unzip) to convert a KMZ-file to KML?
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Why can’t I add a base map to my data frame in ArcMap? I am using ArcGIS 10.2 for Desktop and the options under Add Data for Add Basemap and Add Data From ArcGIS Online are both disabled (grayed out)….
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Can anyone explain how to install GDAL/OGR with Python on Windows? I have Windows Vista and I have tried following the information on the website and it does not seem to bind the *.exe files for me. …
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I have a float type raster file (an NDVI made from ERDAS IMAGINE) and would like to convert it to an interger type raster file in order to use Focal Statistics function (Majority). Is there any way to …
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Can you answer these questions?
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I have a code that, starting with a main line that crosses a polygon, creates a sequence of parallel lines by offsetting the main line to both directions and then clipping the parallels with the …
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For New Zealand OSM is a fantastic basemap for QGIS https://tile.openstreetmap.org/{z}/{x}/{y}.png But sometimes performance suffers I believe when the OSM layer tries to reproject on the fly. (…
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Using the ArcGIS JavaScript API v4.24 it’s possible to get the Extent of a SceneView:: The extent represents the visible portion of a map within the view This works as expected in a 2D MapView, or …
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