Questions tagged [borders]
A part that forms the outer edge of something.
131
questions
34
votes
9
answers
136k
views
Determining which US zipcodes map to more than one state or more than one city?
I'm using a zip code listing, and I am curious to know how many (or which) zip codes map to more than one US state or US city?
For instance I know that Zip Code 42223 resolves to US Army, Fort ...
16
votes
2
answers
2k
views
Setting dashed stroke style when layers have features with sharing borders in QGIS
Layers like municipalities, countries,... have features sharing the border of their neighbours: they share the same vertices (except for the features at the edges off course).
I have a municipality ...
15
votes
2
answers
6k
views
Where can I find historic country border data?
I am looking for border polygons from World War I (from 1914-1918). Is there a resource out there that maintains this kind of information?
12
votes
3
answers
15k
views
Removing visual polygon borders in QGIS
I have a GML layer representing a hexagonal grid that I would like to include in some maps. In QGIS 2.14.2 I applied a graduated style and completely removed the polygon border:
However, in the map ...
10
votes
5
answers
8k
views
Where can I find state borders for Germany?
I'm looking for free state border layers for Germany. Are there any free sources for such data?
9
votes
1
answer
889
views
Labeling polygons along their boundaries using QGIS?
When labeling polygons (not polylines!) in QGIS, is it possible to label them along their borders rather than their area?
I know I could convert polygons to polylines and then label them, but I am ...
8
votes
4
answers
4k
views
Designing Borders with QGIS
My task is to reproduce a map of a specific place. The problem are the borders which I can´t reproduce in QGIS.
The attached picture shows the line. It looks like a polygon filled with slashes.
...
8
votes
3
answers
3k
views
Is the erratum about polygon point order in GeoJSON correct?
The GeoJSON specification (RFC 7946) states that for polygons:
A linear ring MUST follow the right-hand rule with respect to the area it bounds, i.e., exterior rings are counterclockwise, and holes ...
8
votes
1
answer
232
views
Applying pattern only into strip inside polygon border in QGIS
I need to reproduce the style of a raster layer on a polygon layer like this:
where you see in red the hatching inside the red contour of the polygon.
I tried hatched line in the symbology, but I ...
8
votes
2
answers
794
views
Multicolor inside borders for polygons in QGIS 3
I was reading a report and I came across a figure that I quite liked the look of. I found that the author uses a black border for all of their polygons coupled with inside colored lines which just hug ...
8
votes
2
answers
1k
views
Seeking Historical GIS datasets?
I've been looking for a while for Historical GIS datasets. In a lot of places (also in answers here at Stack Exchange), people are referring to a great dataset at ThinkQuest, which contains shapefiles ...
8
votes
6
answers
14k
views
How do I eliminate the black border on a georeferenced map layer?
I have geo-referenced several scanned maps. Theses are placed side by side on separate layers in QGIS. They overlay other older maps of the same areas. Georeferencing caused the maps to have black ...
7
votes
3
answers
2k
views
Calculating length of common boundary lines of two polygon in QGIS
I have a map consisting various district. How can I estimate the length of the common boundary shared by any two corresponding districts/polygons in QGIS?
For example if a polygon "A" shares ...
7
votes
2
answers
2k
views
Higher resolution of country borders
I have been looking and looking for a long while, but I was unable to find any freely available datasets for country borders with resolution higher than 1:1000000. I found this strange as I thought ...
7
votes
2
answers
1k
views
Polygons from two different shapefiles that share common border in QGIS?
I have two shapefiles, which are village administrative units in this case.
Given that these two shapefiles share a common boundary/border is it possible to get the border units (villages) on both ...
6
votes
1
answer
4k
views
How to meassure the length of common edges between polygons?
I have a shapefile that contains several polygons which in fact represent the limits of several counties. My task is to find each length of each shared border. So in other words I want to know how ...
5
votes
2
answers
5k
views
Creating Color Ramp for Polygon Outlines in ArcGIS Desktop?
Within the properties (symbology tab) of ArcGIS-Desktop (10.2.2, Standard/ArcEditor license level), is there a way to color the polygon outline of a layer using a color ramp?
Using predefined color ...
4
votes
2
answers
3k
views
How to trim Landsat 5 scene edges
I have a bunch of Landsat 5 scenes that I want to mosaic together.
However Landsat 5 scenes have a zigzag pattern on the left and right edges as well as some bad data values along these edges.
Is ...
4
votes
1
answer
270
views
Making stroke for neighboring objects with common attribute value in QGIS
All countries have their colors according to different values. And I need to additionally mark with a stroke those countries that are in the YES category. If there are few countries next to each other,...
4
votes
1
answer
422
views
Removing black lines in between shapes in QGIS
In QGIS 3.22.7 I have a large dataset consisting of small square geometries (for reproducibility, a sample of this data can be downloaded from here; the total file size is 9 KB for all of them).
When ...
4
votes
1
answer
361
views
"Duplicate column name" error when calculating length of shared boundaries between multiple polygons using Virtual Layer in QGIS
Similarly to the poster from this question, I am trying to calculate the length of the boundaries between several polygons. I have two types of polygons (1:blue and 2:pink), but I don't think that ...
4
votes
2
answers
229
views
Eliminating border in project
My QGIS project consists of two adjacent Canadian NTS map sheets. Each sheet consists of multiple shape files. Each set of shape files has a border. How do I eliminate the border?
4
votes
2
answers
936
views
Keeping only internal borders in QGIS
I'm looking for the QGIS equivalent of TopoJSON's mesh function which goes through a vector layer and only keeps borders that are shared between multiple features. Here's an example of the output -- ...
4
votes
1
answer
755
views
Remove points that are close to a border when building a grid
I want to remove the points that are close to a boarder when building a grid, i am using the sf library from R.
library(sf)
library(raster)
library(ggplot2)
shp <- getData('GADM', country = 'aut',...
4
votes
1
answer
2k
views
Extracting border between contiguous polygons using ArcGIS for Desktop?
I have a shapefile with polygons representing unique populations. I want to determine contiguous polygons in my shapefile, and then extract the border separating contiguous polygons as a separate ...
4
votes
1
answer
981
views
Drawing border using R in shapefile based on dummy variable?
For an analysis in R I want to create a "new" border from a shapefile. The Shapefile comes with a dummy variable (zone_dummy) indicating the regions laying east and west from the border (see example ...
4
votes
1
answer
263
views
How to visualize texture along borders of multipart polygon
I came across this map and would like to replicate the textured styling found along the borders. I'm starting with a multipart polygon but my process has perhaps too many steps. I'm using QGIS 2.8.2.
...
3
votes
1
answer
326
views
Maritime zones information?
What is that borders in the water on OpenStreetMap maps?
Is this some of maritime zones?
Is this "territorial waters", i.e. 12 nautical miles away from borders?
What is between islands?
Where/how ...
3
votes
2
answers
4k
views
Showing only outer boundaries of polygons / features in QGIS
I started with the Natural earth admin 0 - Countries vector layer. Based on this, I created a new layer (using the 'Collect Geometries' tool) that only contains 26 features, representing major world ...
3
votes
1
answer
2k
views
How to create border around multiple polygons
Spent hours on a search. No luck. I need to create a border around selected adjacent polygons. Concave Hull and Convex Hull don't give the desired results. It seems to be a simple request. The problem ...
3
votes
1
answer
63
views
Conflicting boundary information
When I query, for example, the Germany Boundary Commission, and the Austrian Boundary Commission, for boundary information, I am getting conflicting data sets. Is there a resolution method for this?
3
votes
1
answer
196
views
Drawing borders only for common border of polygons in QGIS
I would like to style a polygon layer in a way that only those borders that do touch other polygons are drawn.
In this very basic example, it would look (roughly) like this. Just that in this case I ...
3
votes
1
answer
1k
views
How to automatically align the edges of features to other features from an other fetaure class?
I have two feature classes containing polygons. One (lets call it A) covers the whole area of interest without any gap or overlap. The other (B) has polygons scattered over the area. The features of B ...
3
votes
1
answer
107
views
Length of shared borders between polygons using Virtual Layers
I have a map with many counties, and I estimated the length of the common borders using one of the answers from this question posted a year ago.
The properties of my layer look like this:
I did the ...
3
votes
1
answer
1k
views
Styling polygon dash-dot borders in GeoServer using SLD
I want to draw polygon borders using a pattern of dashes and other symbols like triangles or circles but most polygons share borders so I get an undesired result.
Using this SLD code:
<se:...
3
votes
1
answer
2k
views
matching a border of one polygon to another [duplicate]
I have a polygon (A) that I drew the eastern border of in QGIS. I have another polygon(B) whose western border I want to nest against the eastern border of polygon a so they are touching but not ...
3
votes
0
answers
282
views
Quantifying polyline overlap
I have a set of regions and would like to quantify the degree to which the boundary of these regions are situated on/near rivers. I have turned the regions from polygons to polylines in arcgis 10.1 ...
2
votes
2
answers
112
views
How can I create a map of both Californias? [closed]
I want to create a map of "UniCalifornia" which would show the U.S. state of California and Baja California combined into "One California."
The end result should be an image file that does not show ...
2
votes
2
answers
2k
views
How to automatically extract borders from an old map?
I am new to QGIS and I am wondering whether there is a plugin which automatically recognises the borders on a map and converts the areas into polygons?
Edit: I am using QGIS 2.14.1. It is a picture ...
2
votes
1
answer
314
views
How can I merge the borders of two countries within the same shapefile?
I have a shapefile which visualise the countries of EU as polygons.
The problem I have is that each country is formed by a fill colour and an outline color. The outline color is key because it ...
2
votes
1
answer
582
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 ...
2
votes
2
answers
1k
views
Editing border shape using QGIS?
I add a shapefile of the district in Paris on another shapefile. I would like to match them. See images below:
The black border is the original, the blue one is what I want to get.
I tried with the ...
2
votes
1
answer
76
views
How can one compute the proportion of a country's area that lies within a given distance from the country's border?
A lawyer friend of mine is preparing a legal argument that concerns the border region of Germany: the part of Germany that is within a given distance (e.g., 30 km) of the country's border. He needs ...
2
votes
2
answers
92
views
Seeking border data which is classified as Coastal and Land?
I am trying to operate regressions over two parameters - (1) Ratio of length of coastal border to land border (2) Average Military Expenditure through 1996-2016 for each country.
For parameter (2) ...
2
votes
1
answer
1k
views
ArcMap World borders overlay?
I'm trying to display some weather data in ArcMap 10.4.1. Starting with a blank map, I've successfully displayed the data from a GRIB file. I've figured out the lat/lon grids and those are showing. ...
2
votes
1
answer
295
views
Calculating countries flown over on flight path
Say I have two airports given.
I can then get their coordinates.
Now that I have the beginning and end coordinates I can draw flight-path from the two locations.
Now my question is that given two ...
2
votes
3
answers
2k
views
Extracting polygons along border using ArcMap
I have a shapefile of United States counties. Suppose I am interested in all counties in Georgia that border North Carolina and all counties in North Carolina that border Georgia. And, in particular,...
2
votes
1
answer
54
views
Border background of label wrapping individual letters
Using Qgis 3.28.14
I am trying to visualize labels with a background and setting the border of the background.
The result I am having is wrapping each letter instead of the entire label
How do I get ...
2
votes
1
answer
161
views
Extracting all possible polygons from set of different types of geometrical elements
I have an input, a set of different types of 2D geometrical elements with all its attributes (arcs, circles, lines, polylines, rectangles, polygons..). These elements can be connected end to end, ...
2
votes
1
answer
505
views
Removing border that appears in map exported with arcpy.mapping.ExportToPDF?
I am exporting the current mxd map with all the layers that appear but it saves it with a framework around it. How can I get rid of it? It appears as well when I export to other formats.
mxd = arcpy....