Top new questions this week:
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I have created a buffer out of point values with a fixed buffer zone of 150m. I would like to make the buffer look more naturally. I would accept an error margin of +/- 20 meters to flatten the curves …
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I was wondering how to import and apply a style from an URL to a layer with PyQGIS. My first thought was to do this but it didn’t workout : import urllib from urllib import request vlayer = iface….
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I create an example GeoJSON: import shapely.wkt import geopandas as gpd s0 = shapely.wkt.loads(“POINT(0 0)”) s1 = shapely.wkt.loads(“POINT(1 1)”) gdf = gpd.GeoDataFrame({‘geometry’…
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I am displaying symbols at the middle of lines and I would like them to be visible only when the length of the feature displayed on my screen is long enough (which I call “visible length” in …
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The orange line is continuous, but corresponds to the union of several lines. What I would like to do is to join the lines into a single line until it collides with a green point as shown in the …
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I have a set of points in a QGIS layer. These are trees that have been removed over time. Often the same location has had multiple trees planted and removed. The co-ordinates for these locations are …
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I want to color a TIF and manually add the max and min values to the opposite ends of a color gradient. However, different methods give me different min values for the TIF (the max is always 1). The …
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Greatest hits from previous weeks:
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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’ve got two geodataframes: import geopandas as gpd from shapely.geometry import Point gpd1 = gpd.GeoDataFrame([[‘John’,1,Point(1,1)],[‘Smith’,1,Point(2,2)],[‘Soap’,1,Point(0,2)]],columns=[‘Name’,’ID’…
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I have spent around 2 days to find the way to open GDB (ESRI Geodatabase) in QGIS (or any other open source software) but still without success. I have downloaded the newest OSGeo4W installer and …
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I have installed PostgreSQL 9.x and PostGIS 1.5/2.0 several times and have never had this problem. I just got a new CentOS 6.3 server up and running and and I have Postgres 9.3 functioning as …
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How and Why is a Panchromatic Satellite Image associated with high spatial resolution? I googled and found that it is a single band image, but then why is it called pan-chromatic(All Colors). Does it …
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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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When writing papers, is there a standard style that should be used for citing ArcGIS, specifically ArcMap? In particular, how do you reference a specific tool that you used in your analysis. I’m not …
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Can you answer these questions?
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I have a predefined house geometry, let’s say it’s a square with a side of 6 meters. And I want to place it anywhere on the map with a mouse click. I tried to draw this square near [0,0] coordinates …
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I am using ArcGIS Pro 3.0.3. I have a model that is using inline variable substitution to pass a list of streets to my calculate value tool. This is an optional variable that is set as type Multiple …
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I am new to QGIS. I want to create an animation to of point moving from one coordinates towards other. The problem is that the points appear when I load .csv but does not appear when simulation played …
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