Questions tagged [overlapping-features]

Features that share some or all of their spatial location with other features.

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2
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1answer
33 views

Removing overlapping sf lines in R

I have sfc LINESTRING and I would like to remove overlapping lines. Object data was created from an algorithm that joins lines with minimum distance. Using unique will not remove the initial lines. ...
2
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1answer
53 views

Creating aggregate attribute from two polygon layers

I have two layers: one underlying land use information layer (with columns 'land_use_type' and 'area') and one for leased land. To organize the leasing of the land it would be important that when ...
1
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1answer
39 views

Calculate percentage of each biome on each national state in QGIS

I have one shapefile of Brazilian states (black lines) and another shapefile of Brazilian biomes (colored areas). I want to add, on the states' attribute table, the percentage of each state's area ...
0
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0answers
21 views

How to detect overlapping features from 2 different layers with Mapbox GL JS

I have 2 layers in total, one is a point layer where each point represent the location and attributes of a company, the other is a draggable polygon layer which is regarded as a filter for spatial ...
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0answers
29 views

Clipping line with overlaying line in QGIS

I have two layers of line which overlap as seen in the picture. I would like to cut out the first picture with the other as an overlap and then merge them together to get one single layer. Or is there ...
0
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1answer
74 views

Over calculation of area- How do I calculate correct acreage when there are stacked parcels?

I am currently interning for a county in the United States. I am working on the data and mapping needed to fulfill the Open Space Activity of CRS. Stacked parcels are causing me a massive headache. ...
3
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1answer
43 views

Which buildings have access to nature where more than 50% of the nature area is closer than 3km?

I have 1) a file with all the residential buildings in a small municipality and 2) a file with all the surrounding green areas. I'm having a hard time solving this because the residential buildings ...
28
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3answers
25k views

Trilateration algorithm for n amount of points

I need to find algorithm that can calculate centroid A (aka gravity center, geometric center, center of mass) from the figure where circles T1,T2,T3,T4,T5,..,Tn intersect AND length of line R from ...
2
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1answer
48 views

Removing overlapped buffers using Google Earth Engine

I have a line split up into line segments, with each segment having a buffer around that. I’m trying to remove where they overlap (basically where the darker circles are within the line buffer itself),...
0
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1answer
23 views

Adding temporal attributes of larger polygons onto many smaller overlaying polygons

I am currently working with rainfall data on a large grid layer and want to transfer the data onto smaller grids. In the image below the large blue polygons currently have the data stored in them and ...
4
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4answers
2k views

Identifying number of overlapping polygons in QGIS?

i'm looking for a possibility in QGIS to identify the intersecting parts in one single polygon layer with ten features, where at least four polygons overlap.
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0answers
50 views

Counting every part of polygons inside another polygon feature class in ArcGIS

I have two polygon feature classes. The first one represents lithostratygraphy distribution. The second one is an artificial grid polygon feature class. I want to count the absolute number of patches ...
0
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1answer
322 views

Determining percent of polygons within other polygons using ArcGIS Pro?

I am using ArcGIS Pro. I have two layers 'Habitat Quality' and 'Connectivity'. I am trying to find out the percent of habitat quality polygons within the connectivity polygons. The connectivity ...
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2answers
37 views

GIS ArcMap 10.7 Layers have different scale and cant stack together

I am using Windows 10 system and ArcMap 10.7. I have three layers, A, B, C. I tend to stack these three layers, the order should be A on B on C. I can put A on C, but I cannot put B on C. I thought ...
10
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5answers
10k views

Counting overlapping polygons from one Shapefile using ArcGIS Desktop?

I have a shapefile with 16,400 polygons. Each polygon shows the expansion of a bird species for the whole world. Now I have to count the overlapping polygons. I tried it with union and dissolve (...
2
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0answers
38 views

Joining attribute of smaller polygon to attribute of biggest polygon when they are overlapping

I have two shapefile layers which include polygons. Each polygon on the first shapefile overlaps a polygon on the other shapefile. I am trying to join the attribute of smaller polygons to the ...
5
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3answers
134 views

Calculating proportional area of polygon covered by circle [closed]

I have two layers here (ignore the green layer), blue polygons and black circles. I want to calculate for each circle, what percent of the each of the blue polygons does it cover. For example, the ...
4
votes
1answer
39 views

Applying offset to lines that are on top of each other, result like metro map [duplicate]

As you can see from my picture there are a lot of places where the same lines run on top of each other. Imagine a tram map. How can I make sure that the ones that are behind are visible too? Just ...
1
vote
1answer
54 views

How to overlap two layers of points with different size

I am new in QGIS. Here is my problem : I have two layers of points. In these two layers, my points have different degrees or size : For the layer 1, the point "a" has a size of 3, and the point "b"...
2
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1answer
86 views

Features color based on layer's color in QGIS

Is there a way to synchronize the selection color with a layer's color in QGIS?. Following this post https://gis.stackexchange.com/questions/111784/displaying-only-selected-features-on-map-in-qgis#= ...
2
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1answer
36 views

Estimate population with two overlapping shapefiles

I have two levels of geography: blue polygons (18,000 districts) and black polygons (400 districts). But, I only have population data for the blue areas Is there a tool in Arc Map which will estimate ...
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2answers
59 views

Removing overlapping polygons in QGIS using attribute value?

In QGIS, how do you remove overlapping polygons and control which polygon gets deleted? I’ve used the delete geometries tool to remove overlapping polygons within a layer but this doesn’t allow me to ...
8
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1answer
415 views

Point cluster symbology for different categories without overlapping symbols

I'm trying to visualize crimes based on if the crime happened during day or night time. I've tried using the point displacement tool but I'm not satisfied with the results because the readability for ...
0
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1answer
84 views

Changing order of appearance for feature class with multiple overlapping polygons in ArcGIS Pro?

I am using ArcGIS Pro. I have a feature class with many overlapping polygons. I am changing the transparency of each of the symbols individually so that you can see through each polygon to the ...
1
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0answers
23 views

List points from other layer where intersects with line

I want to make an easy script for QGIS calc. I have 2 layers (points, and line). Painting the line crosing by points. At end I want to automaticly fill fild (text attribute) with list of points. I was ...
2
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2answers
45 views

Find polygons that overlaps in the same layer with SQL

I have one layer with 40k polygons and I would like to create new layer only with the polygons that overlap each other. I have tried to use the SQL in the db manager in order to create some separation ...
2
votes
3answers
1k views

Calculating percentage of overlap of two layers in QGIS 3

I am trying to compare two different vector layers on QGIS 3. They are species distribution maps. I would like to calculate the percentage of overlap of two vector layers. My goal is to determine how ...
1
vote
1answer
264 views

Avoiding overlapping charts on a map with Leaflet?

I'm currently developing an online GIS with Leaflet and need to plot bar charts on a map. I'm using leaflet.minichart (https://rte-antares-rpackage.github.io/leaflet.minichart/) for the charts. My ...
1
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0answers
116 views

Zonal statistics for multiple rasters with overlapping polygons

I have a shapefile with 300 polygons that correspond to 300 rasters (the rasters have the exact same extent than their corresponding polygons). What I'm trying to do is to run Zonal Statistics on this ...
5
votes
2answers
2k views

How to eliminate polygon overlap areas in QGIS?

Is there a way to remove polygon overlaps within the same layer using QGIS, preferably removing the overlap area of the biggest polygon (having the greatest surface)? All of my polygons are in the ...
0
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2answers
51 views

Ignoring overlapping polygons within same feature class when using Intersect tool of ArcGIS Desktop

I am attempting to intersect two feature classes, one of which has many overlapping polygons. I don't want to calculate the intersection of overlapping features within the same FC, but instead only ...
0
votes
1answer
24 views

Automatically fix overlaps by weight/occurrence

I'm working on a project where I have asked a number of individuals to digitize the same features on the same satellite image. For example, an image of a coast where a group of individuals each draw ...
0
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2answers
34 views

Finding Overlapping/Close Points of Same Layer in ArcGIS Pro

I have a dataset of point features with photo attachments of street signs from volunteers through the Survey123 app. The app records their location which ultimately creates the point feature. Part of ...
0
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0answers
17 views

Need to arrange the point features in a row or inverted triangle

Need to arrange the overlapping point features in a row or inverted triangle which are in same layer with 0.1 offset. enter image description here ps://i.stack.imgur.com/B8idh.png
2
votes
1answer
76 views

How to deal with overlapping polygons from GeoJSON in OpenLayers 4

I have a series of GeoJSON files (generated by QGIS) loaded on to a map in OpenLayers 4 as different layers. Each file contains multiple polygons. When mouse-clicking each polygon a pop-up window ...
4
votes
2answers
256 views

Make biodiversity heatmap in QGIS out of polygons and not points

I would like to make a biodiversity heatmap in QGIS out of polygons and not points. I have a shape file made up of many overlapping polygons. I know how to make a heatmap with a set of points by using ...
1
vote
1answer
26 views

Identify optimal subset of polygons based on cumulative overlap with a separate layer?

Take the example below, where there are four shapes overlapped by a grid of points. Suppose that each shape has a "score" attribute linked to it, where score = number of sides of the shape (...
1
vote
1answer
347 views

Labels overlapping annotations in ArcMap 10.6

I came across this issue regarding labels overlapping annotations in ArcMap 10.6 (picture left) where they don't overlap in 10.5 (picture right)... What am I missing? I simply opened the mxd in the ...
1
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0answers
41 views

Assigning attribute by location for multiple layers

I am trying to assign values by location of one of my polygon layer. It is overlayed by multiple polygon layers and I want to assign the value of the layer that covers it the most. Is there a tool or ...
2
votes
2answers
107 views

Joining attributes by the biggest overlapping areas

I have two layers and I want to join the attribute of them together in QGIS. Unfortunately, the overlapping layer (The Blue one) ist not very precicse, so there are parts that overlap on small areas. ...
3
votes
1answer
123 views

Calculating percent overlap between polygon shapefile and grid using QGIS

I want to calculate what percentage of each grid square is covered by part of a polygon shapefile in QGIS. So far I can get a column of whether a grid square touches the polygon or not (0 or 1), but I ...
1
vote
1answer
110 views

Multiple buffer ring area analysis using ArcGIS Pro

I have some sites what I've created multi ring buffers for in one shape file, each ring is 50m from the center up to 1000m. The file is one shapefile with many polygons and each ring is the full size (...
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1answer
41 views

Erase tool not erasing all overlapping features in ArcGIS Pro

I am using ArcGIS Pro. I have two land maps which are each polygon feature classes composed of multiple polygons. I want to erase overlapping features by using the erase tool. To ensure the erase has ...
1
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0answers
17 views

How to calculate the exact area of three 1 km buffers that have been intersected?

I am trying to figure out the exact area of overlap of the 1 km buffers around three survey posts. I have used the Intersect tool to produce three individual intercepts which cover all the overlap of ...
0
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1answer
27 views

Why rasters of the same projections don't overlap?

I tried to search for existing questions to see if I could find answers, but I didn't. I have two rasters as shown. The raster with gray borders is not titling the right way. It should have tilted ...
0
votes
2answers
131 views

Removing overlapping polygon parts in sequential order using ArcMap

I have 500 polygons in a feature class. There are a lot of overlapping polygons and I need to remove these overlapping areas according to three criteria. What we do now: we have a column with the ...
4
votes
2answers
231 views

Display lines which share segments by offsetting them only where they overlap?

Background: As part of a route selection process I have multiple route options which often share segments. I need to keep the underlying data correct while displaying all routes in a way that they ...
1
vote
2answers
39 views

Deriving touch points layer of line-polygon intersection in QGIS or PostGIS?

Assume you have polygon and a line that goes though this polygon. Now I would like to create a seperate layer which stores the point geometries of where the line intersects the outline of the polygon, ...
0
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0answers
18 views

Getting overlap of supply catchments using ArcMap

I need to know, how much each of my calculated catchments is overlapped by the others, to assess the supply of the commodity per source point. I calculated supply catchments for a total of 110 point ...
0
votes
0answers
93 views

How can I detect overlapping geometries in OpenLayers 6.3.1

I'm using OL 6.3.1 and have a need to detect when the geometries of polygons overlap or intersect. Specifically I am trying to do something like this when a user draws a polygon: self.olMap....

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