Questions tagged [administrative-boundaries]

Divisions of the earth's surface created to collect, organize, or depict information.

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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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Making polygon cut off at ocean using ArcGIS Pro

I have a polygon for an administrative boundary, which is on the coast of an island. The admin boundary currently wraps around the coastline polygon I have, but I want it to just stop and not show the ...
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How to clip connecting datasets to each other in ArcGIS Pro

I have two datasets, one with administrative boundaries from one source, and coastlines from another source. I want to use both these sources to create a map, however the administrative boundaries are ...
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Clip satellite image to study area based on dropdown list location selection using GEE

var statesDropdown = ui.Select({ placeholder: 'Loading states...', disabled: true, onChange: onStateChange }); updateStates(); var districtsDropdown = ui.Select({ placeholder: 'First select a ...
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Extract administrative boundaries with physical borders at the coast line from OSM data

I successfully downloaded the OSM data from https://www.geofabrik.de/ and converted the .osm.pbf file to a .gpkg using og2ogr. Now I want to extract administrative boundaries using DB-Manager and SQL: ...
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Getting UK local authority boundaries in OpenStreetMap through R

I'm trying to plot some infrastructure data that comes from the OpenStreetMap using R. I'm using the osmdata package with ggplot2. I'm trying to pull the local authority boundaries of a few local ...
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Filter through geometries of a feature collection in Google Earth Engine to export as a shapefile

I'm trying to export a shapefile of administrative units out of GEE, but I get the error Shapefiles cannot contain multiple geometry types; found 'LineString', 'Polygon' Here is my code and the ...
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Way to make equal-population areas of world using administrative divisions?

I am trying to make a map, that aims to divide the world into areas each with an equal population. I've found things like Dave's Redistricting for individual US states, but nothing for the entire ...
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Up-to-date South Korea level-1 administrative boundaries following land reclamation

Because of land reclamation, South Korea's western coastline changes regularly and data is regularly outdated. For example, GADM shapefiles describe boundaries prior to the development of Songdo. How ...
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v.generalize does not affect some boundaries

All in all, I would describe myself as a QGIS (3.12.2) beginner and have now contact with GRASS (7.8.2) for the first time. I want to simplify the boundaries of my polygons considering the topology. ...
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539 views

Overpass Turbo: query for administrative level results in empty dataset

If I look up a city on openstreetmap, I can see it has an administrative level of 10. For example: https://www.openstreetmap.org/relation/162798 Subsequently, I run a query in Overpass Turbo to ...
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Query admin boundary from GeoNames API by lat/lon and admin level

I have a list of points (lat / lon coordinates) which represent centroids of admin boundaries for a given country and admin level, e.g. Afghanistan, admin level 1. I need to get their GeoNames IDs (...
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Downloading Polygon/Administrative Boundaries using WikiMapia

Is there any way to download administrative boundaries / polygons for a small city through Wikimapia? I tried to download the boundaries but the results were points not polygons. I need to download ...
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Connect postcode to administrative boundry level

In OSM I would like depict a certain area ("working area"). Using the following I can specify a certain area around a certain city: [out:json][timeout:800]; {{geocodeArea:Netherlands}}->....
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1 answer
587 views

Specify the adminsitrative level in QuickOSM

I am using QuickOSM to download the boundaries of cities into QGIS before saving each city data as a GeoJSON. QuickOSM enables the Key (in my case, 'boundary') and Value ('administrative) to be ...
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Exclusive Economic Zone (EEZ) and Regular Boundaries one shapefile

Does anyone have an idea if there is a shapefile of the merged EEZ boundaries and regular administrative boundaries? I need this data for entire Africa. I have downloaded the EEZ boundaries from http:/...
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How to get city boundaries of Europe?

I am looking for an up-to-date communes administrative boundraries (LAU) of several countries in Europe (France + adjacent countries). I need it to be quite precise (less than 5m), since I intend to ...
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How to get land_area polygons with osm2pgsql?

I want to get the polygons of several administrative land areas. For example https://wiki.openstreetmap.org/wiki/DE:Grenze#Innerstaatliche_Grenzen contains the relation numbers for the land areas of ...
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Drawing polygons that share boundaries using Google My Maps

I am relatively new to GIS and I am facing a problem to maintain a layer of polygons that share boundaries. I use google my maps to edit the polygons but they are full of gaps and overlaps. How can I ...
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4 votes
1 answer
609 views

Extracting country's administrative hierarchy from OpenStreetMap

I would like to extract all the cities along with their administrative hierarchy within a country. I was thinking to use a mix of tag and geom information since tags are often inconsistent/incomplete:...
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1 answer
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Seeking Nigeria administrative boundaries

I am looking for Nigeria administrative boundaries (0-3) level especially the 3 rd level which is called "senatorial districts". Where can I find these?
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4 votes
2 answers
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Extracting or categorizing shared boundaries of polygons QGIS

I would like to recreate the style in this Wikipedia Locator map, where there are three distinct styles for boundaries: Coastline (thin blue line) High-level administrative land-border (thick grey ...
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Extracting Sub-National admin boundaries or regions from GRUMPv1 or GPW v4

GRUMP and Gridded Population of the World (GPW), v4 provides population and demographic values for sub-national levels. However, I am unable to extract the polygons or boundaries from their datasets. ...
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Transforming admin units into hexagons: the assignment problem

I have an administrative tessellation with about 8000 units (the Census tracts of California) and, for the sake of visualisation, I would like to transform it into regular hexagons (or squares). I ...
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Seeking school boundaries? [duplicate]

I have seen Where to get school zone shapefiles? which seems to be the closest to my need. When I download the docs, either I have no ways to filter the document or I don't see all the schools. I ...
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2 votes
1 answer
150 views

Seeking USA congressional district to county relationship files?

This must be a common enough problem that other users have come across it. I've finagled my way around inconsistencies and dropped observations, but now I'm reaching out to see if anyone knows of a '...
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1 answer
116 views

Seeking API to check OpenStreetMap for village boundaries?

I am new to GIS programming and I have started a little project. I have a lot of gpx tracks, and I want to check which villages i have visited. Is there an API to check OpenStreetMap for village ...
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0 votes
1 answer
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Congressional/Legislative Member Data Set [closed]

I am working on a web map of congressional and legislative districts. I am able to find the boundary lines but not up to date data on the representatives per legislative district. Anyone know of ...
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1 vote
2 answers
622 views

Correct shapefile for Montenegro municipalities?

I downloaded a shapefile for Montenegro from https://gadm.org/download_country_v3.html and created a table in PostGIS using shp2pgsql. The table has column geom of type geometry which is a ...
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1 answer
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Seeking map of communes for Bavaria region before 1930?

I am looking into data for an article and I am missing a pretty important map. The map relates to this question. I need a map of Bavaria communes, the so called gemeinden divisions, either to buy or ...
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Where can I find data of city boundaries in the US?

I know there is previous question about this topic but there is no exact answer. Actually I was wondering, does city boundaries cover all around the nation without space? I mean, for MA I found two ...
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2 votes
1 answer
373 views

How can I color code national vs subnational boundaries in QGIS?

I'm trying to make a regional map of West Africa at the subnational level. I can't seem to figure out how to distinguish the subnational and national boundaries - right now, they're all black, and I'd ...
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INSEE code for French regions?

Does an INSEE code exist for French regions? Is there a list of the official INSEE codes for French regions?
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1 answer
139 views

Boundaries of Northern Ireland Local Government Districts (LGD2014)?

I'm looking for boundaries for Northern Ireland's Local Government Districts (LGD2014). I only find a list of units, but no the boundaries. There are 11 LGDs. Does anybody know where to find the ...
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3 votes
1 answer
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Number of Eastern Africa countries [closed]

Are Rwanda and Burundi part of "Eastern Africa countries" or "East African countries". Some sources are differing.
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1 answer
448 views

Identify countries within a bounding box using R

Using R and relevant GIS packages, I would like to determine which countries are within an arbitrary bounding box and extract the corresponding ISO codes. For example... require(maps) require(rgdal) ...
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1 vote
0 answers
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Snapping boundaries in PostGIS [duplicate]

I have two polygons in PostGIS that have incongruities. One polygon (the yellow one) is legal county boundaries. The other polygon (blue) is essentially neighborhoods. 98% of the lines align perfectly....
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3 votes
1 answer
1k views

Splitting area polygons into line segments in QGIS for using to edit OpenStreetMap

I've got the following vector Shapefiles (not .shp format but some .xml formats): .gml-File of Linz, .xsd-File of Linz They represent the areas of the statistcal districts of Linz, Austria. I want to ...
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2 votes
0 answers
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Identifying polygons overlapping several administrative levels

I have information about grid population in a country assigned to polygons; the borders of these polygons are defined by night light intensity. In this way I am able to identify the "real" extent of ...
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2 answers
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Seeking City boundary shapefile of Podgorica (Montenegro)? [duplicate]

I work with QGis 2.18.1 in Austria and need the city boundaries of Podgorica which is located in Montenegro. Do you know where I can get or download it for free?
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-1 votes
1 answer
143 views

List of global geopolitical areas? [closed]

I'm building a fake-data maker in R (a package that will quickly generate realistic data for testing and training purposes). In order to be able to do geographical analysis stuff, I'm looking for a ...
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4 votes
1 answer
5k views

Map of Russia's administrative divisions

I'm looking for a map of the administrative divisions of Russia, on a rather local level. In Seeking polygon files corresponding to Russian Census? is presented a map on different levels, the most ...
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1 answer
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Creating boundaries around lines based on attribute

I am trying to create polygons around lines within another polygon based on a lines attribute Basically from this I want three boundaries within this boundary for each section of line. I have been ...
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4 votes
1 answer
1k views

Understanding LSOA and MSOA boundaries (UK)?

I'm currently attempting to do a statistics project summarising data across UK administrative boundaries, in particular Lower Layer Super Output Areas (LSOAs) and Middle Layer Super Output Areas (...
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1 vote
1 answer
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US boundaries from 1780 map

Where can I find a shapefile of the US boundaries from the 1780s, including the original thirteen state boundaries?
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2 votes
1 answer
129 views

OSM Relation IDs for boundaries

Is there a way to get only the relation IDs of a boundary in OSM? E.g. relation #350303 http://www.openstreetmap.org/relation/350303 is Pärnu maakond in Estonia which is an admin_level=6 boundary. So ...
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2 votes
1 answer
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Does Osm2Po support administrative boundary extraction?

I already used osm2po for ways extraction, but still cannot understand how to get administrative boundaries with osm2po. There is relationTagResolver in config section and v.5.1.0 description says, ...
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1 vote
1 answer
1k views

Where to get world-wide detailed administrative boundaries?

I'm looking to build a world map that plots all application users and their locations around the world. The initial zoomed out world view would show total numbers clustered by country, then when you ...
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1 answer
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Is there an active equivalent to Yahoo GeoPlanet available for commercial use?

It looks like GeoPlanet is dead (Is GeoPlanet dead?). Is there a suitable alternative that covers Parents (preferably Ancestors) and Neighbours? If there's a name for this type of data, that'd be ...
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1 vote
1 answer
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Is GeoPlanet dead?

I'd like to start a side project that will rely heavily on the relationship between places, and GeoPlanet does this wonderfully. However, the latest version I can find of the data GeoPlanet Data v7.10....
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