Top new questions this week:
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Starting from a layer with points geometry, the Geometry generator is used to create a line geometry layer that connects with the 8 nearest points. The function used is the following: …
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I set up a project using the WGS 84/ UTM zone 17N [EPSG:32617] for my location in Ohio, where the AOI’s Lat / Long is around 41.616139, -82.707090. As I have seen when selecting the CRS, that part of …
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I would like to use the functionality that’s available through PostGIS for a project, but I don’t actually need the database itself. In particular, I wish to do something similar to this query …
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I’m experimenting with PostGIS Geography objects, but it seems like it’s not doing the calculations on a sphere using great circles, but instead doing a projection If I try to find the intersection of …
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I’m trying to create Voronois in Namibia but it seems like they aren’t filling the entire country polygon (the one being used as the cookie cutter). I have tried multiple queries and joins but they …
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I have several Feflow files that are displayed as points in QGIS. I would like to display points that have the same value scale as a polygon (F Value in the attribute table). Is this possible? Is …
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I have polygon featureclass. which is shown in map as I want to “outline xpattern” symbology I am not able to do it programmatically by python. Few of my attempts are: Attempt1: layer = …
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Greatest hits from previous weeks:
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I am using OSM with Leaflet API. Now I want to get the lat and long of a clicked location. I meant something similar to this. ex: openlayers.org/dev/examples/click.html map.events.register(“…
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What is the difference between a projection and a datum?
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When I search for my address on Google Maps it cannot be found which means I can’t order takeaway etc. Is there a way of adding my address to Google Maps or even add a street address? I want the …
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I have a lot of DWG files like basemap, and water and wastewater network. How do I import these files into my QGIS project?
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I can’t seem to figure out how to draw a circle in Google Earth. I’m trying to draw a 750km circle around Vancouver. I’m trying to generate the kml file here: kml4earth.appspot.com/…
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I’m working with this downloadable shapefile that has X Y coordinates. They are akin to ‘3672187.92698000, 534175.72095400’. I would like to convert them to longitude latitude so they are more like ‘-…
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I need to clip a large and very detailed shapefile in QGIS showing environmental data similar to a temperature map. Is there something like the very simple crop tool like in Adobe Photoshop where …
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Can you answer these questions?
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I need to georeference a Turkish geological map that has no apparent reference points. The description says it has a UTM projection, but no further specifications are provided. How can I figure out …
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I have been working on some projects for a while now with layers and project files saved to the same external hard drive I’ve been using since the beginning. However, it has started giving me an “…
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I’m working on rendering a georeferenced PDF within a map, I was able to retrieve the geolocation information from the PDF, but the coordinates I receive are not correct, they are a few meters apart …
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