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How to geocode the polygon of a street, instead of just a point

I want to geocode many street addresses using GeoPy/GeoPandas, but the results of my queries only return points. Is it possible to obtain the entire polygon of a street, i.e., when it begins and ends?
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6 views

Converting Lambert conformal conic to Lat/Lng

I'd like to convert the following geographic representation to Lat / Lng (I guess this is called Lambert conformal conic, but it's the first time I've ever seen this). Projection: Lambert conformal ...
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9 views

Extruding buildings using expression dialogue and attributes field in QGIS [closed]

Can you provide a sample expression for the expression dialogue for me to extrude my buildings from one of my attributes in my buildings layer? The new version of the plugin only allows you to add ...
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Python ArcPy script hanging only when running through command line in a machine

When running a simple Python script which is using ArcPy: The script is hanging but only in one machine and not in another machine. The two machines are VMs and have the same specifications. The ...
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Creating polygons from centroid and bounds

I am looking to create multiple overlapping administrative boundary polygons, but only have centroid and "bounds" columns to draw from at the moment (the latter being four, comma-separated ...
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SpatiaLite ST_Transform does not return geometry in QGIS virtual layer

I am using the following query to SpatiaLite in a QGIS virtual layer but it is returning null geometries (looking to transform from ESPG:4326/WGS 84 to ESPG:27700/OSGB 1936): SELECT st_transform(p....
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11 views

Pixel misalignment issue

I am trying to export a raster from "ECMWF/ERA5_LAND/MONTHLY" from GEE while maintaining the preciseness of pixel location. But it turns out that the nominal scale returned is actually ...
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Showing a chart for features displayed using dynamic feature clustering

I'm working on a project in ArcGIS Pro 2.9 where I'd like to be able to display categorical attribute breakdowns for each cluster that dynamically populates. Right now, the mode of that attribute is ...
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  • 95
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Load Remote PNG and png.aux.xml PyQGIS QgsRasterLayer [closed]

I am trying to write a plugin that can load a map image from an AWS URL. I have a URL for the png and the png.aux.xml. When I try to use QgsRasterLayer I get: Invalid Data Source: https://amazonaws....
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26 views

Attribute form constraint, using NULL

At 3.24.2, I have a Geopackage table containing two fields: "interior_observed" is a Boolean, with a Checkbox widget type, true or false. "egg_number" is an integer, with a Range ...
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1 vote
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16 views

Modifying features in-place with a model

QGIS has some processing algorithms that allow modifying the layer's features in-place. How can I create a tool in the graphical modeler that allows for the same in-place editing functionality, e. g. ...
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  • 8,073
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Definition of "SR-ORG" CRS

I've seen notes that SR-ORG:#### means that the SRS/CRS/projection definition is user defined. Is there an official location saying that? Some of these feel official. What is the canonical location ...
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Seeking POI Dataset Open Source [closed]

I am working on shapefile which requires CSV Data. For which the POI Features are required for the Cities So where can you find open source POI dataset for Cities in Maharashtra?
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1 answer
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How can I improve the accuracy of a DEM using surveyed points?

I have a DEM and many surveyed points in the area. The survey points have centimeter accuracy. The difference between the DEM to the actual height ranges from -20cm to +20cm. It is not a uniform ...
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One image missing in Collection PMLV2 [closed]

Do you know how to report a mistake in a dataset ? The dataset PMLV2 https://developers.google.com/earth-engine/datasets/catalog/CAS_IGSNRR_PML_V2 has an image missing in the Imagecollection. each ...
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9 views

Dissolving duplicate features based on criteria

Using ArcGIS Pro 2.9.3: In my original dataset, I had a parcel fabric layer with a one to many relationship class linked to a table with the parcels registered land owner(s) and their mailing ...
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-1 votes
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Create a vector file from a particular color on a Geo-Referenced Raster [closed]

Is it possible to create a vector layer from a particular color in a raster? I am geo-referencing screenshots of land parcels (highlighted in red) and then drawing the parcel of land manually. Is ...
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Looking for list of US MSAs with population, economy size, and lat long

I'm trying to analyze the weighted average distance between our locations and the US population based on proximity to MSAs by population and economic activity, and need to get a CSV with list of MSAs ...
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15 views

Python equivalent to QGIS Raster Surface Volume Tool

I've been using the QGIS tool "Raster Surface Volume" https://docs.qgis.org/3.22/en/docs/user_manual/processing_algs/qgis/rasteranalysis.html#raster-surface-volume to calculate the volume ...
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6 votes
2 answers
63 views

Delete small holes in polygons with PostGIS

I have a big multipolygon layer in which I want to delete holes smaller than 100m². QGIS do it well and fast with the algorithm "native:deleteholes", but I need to use it as part of a SQL ...
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  • 453
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1 answer
11 views

Web AppBuilder DE - Use an uploaded shapefile to query

The shapfile is zipped and uploaded through the "Add Data" widget. I am looking to use an customized widget to read the feature layer from the upload and query another feature layer. Since ...
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  • 331
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0 answers
13 views

Spatially merging 2 raster layers via "mosaic to new raster" causes a shift of the raster cells

I intended to merge two raster datasets from the same source (one with values for north & south america) via the function "mosaic to new raster". I used the following settings: -> ...
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-1 votes
0 answers
14 views

Is there a reference for Natural Earth Data attributes?

I am considering using the Natural Earth Data shapefile set for a project I am working on. Does anyone know of a reference, data dictionary, or other specification that gives the meaning, intended use,...
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19 views

Polygonize/Vectorize large raster

A raster(.tif) of 6.70GB needs to be converted into polygons. The raster is binary (0 & 1), currently I am using Polygonize (raster to vector) and its taking a considerable amount of time and the ...
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  • 311
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19 views

ArcGIS -- Have a need for ArcGIS to correct addresses, via API, at speed. Possible?

I have rough data coming in and I have a need to run it through address-correction in order to use it for other things. That is, I have -- 1313 Mucckingbird Ln, Bowie, MD 20305 . . . and I need a tool ...
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  • 1
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12 views

Separate canopy from ground - based on DEM generated from thermal imaging

I've never worked with QGIS but I need to use it for a project. I have thermal images of a vineyard that were added together in Agisoft Metashape to form a DEM (tif-file). When I load this into QGIS I ...
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  • 1
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19 views

QGIS Buffer tool: Why does buffer not show up?

I've got a point layer and I want to have a very simple buffer around each point. I have been playing around with different options and all worked somehow. But why is there no buffer drawn with End ...
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  • 81
1 vote
1 answer
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QGIS - copy/paste symbology labels

I often have layer metadata like labels for each unique value in a categorical map in a separate file, like in Excel. Is there a way to copy/paste entire columns from Excel into QGIS (and the other ...
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  • 401
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0 answers
11 views

Rasterio error RuntimeWarning: overflow encountered in reduce return

I have extracted a mask from a raster in order to test out multiple volume calculations between QGIS and Python I'm using rasterio to read in the tiff image and calculate its volume: import rasterio ...
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1 answer
23 views

Export PNG in QGIS, same extent but outputs are not exactly the same

I export the PNG with same extent, same resolution and scale but the output width are not exactly the same. It's quite annoying to me, and I have no idea why could this happen Are there any ...
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  • 1
1 vote
1 answer
20 views

When moving layer labels the labels connect

in my qgis project i have a layer with multiple points. I labelled all of these points different and suddenly when i move the layers they "connect" all on the same spot and i cant split them ...
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How do I get the area of a cross section in HEC-RAS?

I am done with steady flow analysis and would like to estimate the volume of the flood. How will I get the area of a cross-section?
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-1 votes
1 answer
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How to draw a scale or a graduated marker on QGIS?

I need to place points at regular intervals on a map. How can I proceed? In order to have regular spacing and have my rectangles all aligned, I need a tool to place my points with regular spacing. So ...
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-2 votes
0 answers
8 views

Snowflake is giving 0 result when geometry is greater than extent [closed]

I have front end applications from where I get bounding box, which then I pass to ST_Intersect function .. It works fine when the bounding box is within WGS84 Bounds. But it gives 0 result when extent ...
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1 vote
0 answers
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Getting the WKID/EPSG code as dynamic text in ArcGIS Pro Layouts

I'm trying to get the WKID/EPSG code of the Coordinate System/projection used in the map as dynamic text in a ArcGIS Pro layout. It should look something like this: ETRS 1989 UTM Zone 33N N-zE (EPSG: ...
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30 views

Why would anyone use ArcGIS Server instead of GeoServer/Qserver etc for a simple map? [closed]

My team is building a web application which uses maps to track various object. We should be able to draw moving entities, draw lines/ploygons, measure distances and areas. No any fancy analysis beyond ...
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Append original shapefile projection definition to GeoJSON using Javascript

In our web application we upload shapefiles and convert them into geoJSON format. These shapefiles will be in different projections and I want to be able to add the original projection of the ...
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1 vote
0 answers
15 views

Can I use the dropdown list in attributes table for several selected features in one time?

I use some dropdown lists for several attributes. Now I want to select several features (objects) and edit a field using the dropdown list. Is there a way to do it in one time, because it looks like ...
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1 vote
1 answer
15 views

Google Earth Engine - Get Image with highest max Scene NDWI

By adapting code from Getting Image with highest max Scene NDVI from Image collection using Google Earth Engine I have been able to make a script that gives me the date and mean highest NDVI for each ...
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1 vote
0 answers
24 views

QGIS-3 prints different QgsFeature ID compared to QGIS2 why?

in QGIS-3 QgsFeature id prints a different id compared to QGIS-2 in Q3 it prints PID "-9223372036854775808" in Q2 it's "0L", usiing same code in both new_poly=QgsGeometry....
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0 answers
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Exporting raster of a map to QGIS from GGplot in R

I used R to make density surface models of whales in GGPLOT. However, l can not work out how to get the model into a raster so i can use it in QGIS. I have been trying as below but the squares of the ...
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0 votes
1 answer
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Dynamically mask raster layer by features from vector layer in GeoServer

Is it possible to mask raster layer by features from vector layer in GeoServer? I want dynamic connection, so adding a new feature to the vector layer will automatically change the raster layer mask. ...
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-1 votes
0 answers
8 views

How to fuse (fusion) Optical and SAR data using python? [closed]

Optical data (Sentinel 2 or Landsat 8) and SAR data (Sentinel 1)
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0 answers
17 views

In QGIS Modeler, how to merge the outputs of conditional branches of which some are performed and some are not?

I need to do a processing model that has several optional vector inputs, but that produces only one output. I have separate conditional processing branches for all inputs, but in the end I would need ...
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0 answers
10 views

Harmonizing Landsat TM, ETM+ and OLI thermal bands?

I want to calculate land surface temperature from time-series Landsat TM, ETM+ and OLI datasets in Google Earth Engine. I need to harmonize Landsat datasets from different sensors. I used this to ...
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1 answer
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ArcGIS Pro Pixel Editor - Saving takes forever

I have to reclass many small parts in a classified land use raster using pixel editor. However, when I click "save" after a few edits, the saving process takes forever (hours until I force ...
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2 answers
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Showing historic path of river using ArcMap

I am trying to create something similar to the image below for Molonglo River in the ACT using ArcMap with several TIF tiles I have mosaicked together but no luck thus far. Does anyone have any ...
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-1 votes
1 answer
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Clip Line Layer to Polygon but retain the Lines outside the polygons

I want to clip a line layer to a polygon layer, but retain the lines outside the polygons. Can anybody assist me in doing this please? On the image included, the lines are in red and the polygon in ...
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1 vote
1 answer
36 views

EPSG:4326 vs EPSG:3857 - Why are they aligned?

Firstly I'd like to point out that I am a very basic user and trying to get my head around a few things. I have a KML boundary saved from Google Earth. I can then drop this boundary in to QGIS which ...
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0 answers
19 views

Getting GeoServer to batch delete features using WFS [duplicate]

I'm having some problems using Geoserver to batch delete features, It looks like the Geoserver does not respond properly when the number of deleted features is greater than 30. The format of the ...
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