Top new questions this week:
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I am working on a project where I am determining the slopes of sewer pipes. I have elevations recorded in field called “Elev” in a point shapefile. In a line shapefile the represents the …
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I have a QGIS project that generates a layer with point geometry from a database (Excel sheet) that I load directly into QGIS. To this table a join is established with a common field of a GPKG point …
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I have a to export points along a specific path. We have a point layer of 40.000 points (representing water customers). We created a polyline from one point to the next, and so on (representing the …
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I have a points from file in CSV format containing the following fields: I want after ordering the points based on collecting time, to calculate the direction in degrees between the points. From …
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When exoprting data in QGIS, I can choose between SpatiaLite and SQLite files. Both files get the file extension .sqlite. What is the difference between these export formats? Is it a different data …
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In a QGIS graphic modeler I use the Execute SQL algorithm with as input a CSV with point features like the image below. LambertX and LambertY contain the x and y coordinates. In the SQL query I added …
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Context I am working on a R package that allows users to make custom star maps which displays the night sky for a given location and time. The package aims to replicate the product offered by …
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Greatest hits from previous weeks:
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How can I get a KML/KMZ file to display on Google Maps without a public facing web server?
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This line: SELECT geom FROM myLayer.geom will return a hex value. How would I get decimal values, which is a human-readable coordination?
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Upon searching for the OpenLayers plugin, it shows that this plugin is incompatible with version QGIS 3.0. Will this be updated? Is there another way to add Google imagery or any other aerial imagery …
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I want the QGIS interface in English, in order to share information with the GIS community. Using another language, when chatting with the GIS community, makes things more difficult. When I installed …
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In QGIS 2.18, when I used the Vector > Geoprocessing Tools > Intersection tool, I was able to check an option which said “Ignore NULL geometries [optional]”. Now I’ve downloaded QGIS 3.2 and that …
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I have a polygon vector and I want to quickly attain the centroid of this polygon for insertion in a text document. I am working with QGIS. I searched through other questions and although some are …
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My users are sending me point data that were digitized using Google Earth. How can I convert their KML to a shapefile and vice versa?
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Can you answer these questions?
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I have 6 point layers with an attribute that is a decimal number called sh value. I have to make a map for each layer displaying which interval the sh values belongs to. I created a graduated legend …
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I am writing my master degree thesis. For my thesis I downloaded images from Copernicus and elaborated them using different methods to obtain images of FVC of some sites. Now my tutor is asking me to …
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In Open Infrastructure Map I see things as below: There are two types of power lines, one with 220kV (red) and another one with 60kV (brown). But when I add this to QGIS it’s all the same (green), …
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