Questions tagged [overlapping-features]

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

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27 views

Performing overlapping zonal statistics in ArcGIS?

I have buffer lines overlapping and within these lines I want to know the type of land use. However, overlapping is not allowed with Zonal statistics. How do I do this in ArcGIS because I want all ...
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1answer
78 views

Finding polygons that overlap other polygons within same layer using ArcPy? [duplicate]

I have a shapefile containing polygons. I would like to select all polygons within the layer that overlap with other polygons within the same layer. The closest I have gotten is the Intersect tool ...
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1answer
76 views

Determining percentage of overlapping lines using QGIS?

i have a lines layer that represents the bikeways of my city, and also have another overlapping layer that represents the bikeways that need repairs. How can i get an analysis of the percentage or ...
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3answers
301 views

Using QGIS to remove portions of polygons that overlap in same layer?

Is there a way to easily eliminate the overlapping portions of polygons in the same layer? For example, I want to turn this into this I used Union to break the polygons apart where they ...
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0answers
50 views

Graduated color display of overlapping polygons in ArcMap

Is there a way to display overlapping polygons in a graduated color symbology based on the level of overlap within the same feature layer? For example, in one area of the map there are two polygons ...
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1answer
473 views

Displaying overlapping points in QGIS?

I am trying to produce a map of last years emergency responses in my area in 2018. I am entering a CSV file into QGIS which is working fine. The addresses and Lat and Long have been verified. I ...
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1answer
146 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
39 views

Getting features for one polygon into another, Geometries do not line up using ArcGIS Desktop?

I have: - Census Blocks - Taxi Zones The taxi zone shares a rough boundary with census blocks, but there are times where there is overlap due to a rough outline(In image, red line is Taxi Zone, ...
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1answer
106 views

Selecting polygons that are at least half covered by another layer using ArcGIS Desktop?

I have 2 polygon datasets. One is county-owned parcels within a county. The other is a land cover dataset that I have exported to only contain the areas that are forested. I would like to select from ...
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1answer
66 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. ...
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1answer
47 views

Remove overlaping vertices in lines - QGIS

I am currently working with data that has a huge amount of topological errors. These are lines that are closed, in the place where the beginning of the line meets the end, someone added more than 2 ...
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1answer
110 views

Deleting overlap between two polyline layers in ArcMap? [closed]

I have two stream layers and they overlap, I want to delete this overlap on one layer so I do not repeat any information. How do I do this? I can only seem to find information regarding polygons.
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1answer
104 views

QGiS 3.0: Line length without overlapping parts

I have overlapping lines in my layer and want a total length of the visible line without the overlapping part. i.e. I have two lines First one goes A-B-C Second one is B-C-D How do I get the ...
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1answer
198 views

Calculating percentage of overlap between 2 features from 2 different layers using ArcGIS Desktop?

I have two layers. Layer 1 has features that are property/parcels with area in acres. Layer 2 has features that are wetlands/bodies of water with area in acres. I want to calculate parcels that have ...
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1answer
165 views

Calculating overlapping of lines using QGIS?

I have a GeoPackage that includes series of lines, each line corresponds to the itinerary of a person from point A to point B. I would like to know how to calculate the overlapping of lines (the ...
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2answers
312 views

Checking for overlapping geometries in one table using PostGIS?

I have a table with geometries where some geometries overlaps with other geometries in the same table. I already found an answer for this question here: Check whether table has overlapping polygons, ...
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1answer
144 views

Buffering without overlap using QGIS?

Goal: Buffering line features, where the buffer "ends" when an other buffer is about to overlap. Simply: Buffering without overlapping and creating a smooth border between the buffer. My first ...
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1answer
47 views

Identifying polygons in two separate layers with a large (>85%) overlap

I have two separate layers and I want to identify polygons that overlap more than 85%. When I try "Extract by location" tool it gives me the polygons that overlap even in small areas. I am using QGIS ...
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1answer
502 views

Calculating area of overlap between two polygons in separate layers using QGIS?

I have 2 layers with 1-1 polygon. The polygons are overlapping. How do I calculate the area of the overlap using QGIS?
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1answer
64 views

Lines overlaping in same layer - PostGIS

I have lines overlapping in one layer as in image below. How do I delete one of these lines and leave the other one in the dataset?
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3answers
141 views

Adding value of overlapping point features?

I have several different point feature classes (shape files) spread on a grid, each point (located at grid centers) has a attribute named value. For example, assume we have a 3x3 grid, which has nine ...
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0answers
25 views

Separating multiple overlapping polygons using ArcPy? [closed]

How do I separate multiple overlays in a polygon using arcpy, according to image? Each overlap must be a single polygon
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1answer
241 views

Create raster out of overlapping buffers within the same shapefile in QGIS 3.0

This question has been asked before but none of the provided solutions work for me. I have a bunch of points. Around the points I have created buffers which overlap to differing degrees. Each ...
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1answer
68 views

Geographically Weighted Regression with overlapping polygons

Is it statistically correct (or possible at all) to calculate a spatial regression with (partly) overlapping spatial areas? I have market areas as the spatial unit with different sociodemographic, ...
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1answer
558 views

Fitting known size polygons into irregular polygons using ArcGIS Desktop?

I have a task that sounds simple, but I just can't get through the last step. I need to find suitable areas where wind farms that have a size of 500x150 meters, could be placed. The restrictions are ...
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1answer
93 views

Determining validity of odd polygon using ArcObjects?

Using ArcGIS 10.4.1 a user in our department created a polygon and saved it to a feature class as shown below. The area covered is correct as at times it could overlap itself. I have calculated the ...
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2answers
343 views

Removing Intersection of Buffers in Same Layers

I have created a series of buffer regions around line segments in QGIS (in my case a road network): The buffers are in transparent blue with the darker circles being where the buffer segments overlap....
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1answer
108 views

Select features in a polygon that covered the most by features of another polygon layer QGIS

I am working in QGIS. I have 2 polygon layers, One layer is the parcel polygons layer for a county called "Parcel" The other layer is the building footprints polygon layer for the same county called "...
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1answer
43 views

Calculate the sum of the areas of polygons within bigger polygons from another layer _ QGIS

I would like to add in the attributes of each of my roof boundaries (red polygons, which sometimes overlap) the sum of the surfaces of the (green) surfaces. I have already tried "join attributes by ...
4
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1answer
184 views

Summing attribute values of overlapping polyline portions in QGIS 3.0.3

Note: This is basically the same question that I asked before in Summing attribute values of overlapping polyline portions in ArcGIS Desktop?, but this time, I'm trying to solve the same problem using ...
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1answer
71 views

Extract a line segment out of a polyline on the basis of numeric values (distances) defined as attributes [QGIS]?

I have a set of points (red in the picture) in a shapefile containing an ID as well as two numeric values representing distances in Meters for each point. After creating polylines for each point via ...
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0answers
55 views

Select events that represent the most recent work on roads

I have a question on Stack Overflow where I ask about Selecting events that represent the most recent work on roads. So far, I have been provided an answer that seems to work, although it is quite ...
5
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1answer
191 views

Select point by number of overlapping features

I have this polygon layer converted to lines, and had the line nodes extracted using Extract nodes. The resulting point layer has several overlapping points because of common borders with adjacent ...
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0answers
122 views

Clipping Multiple Polygons in Single Layer using QGIS? [duplicate]

I have about 10K polygons for a single layer. Many of these polygons are overlapping. I would like to clip the polygons and either have the overlap merge to one of the polygons or even split in the ...
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2answers
123 views

How to extract multiple polygons from a layer that overlap with a point?

I would like to get attributes of polygons that overlap with a point. This is to see on which street the lanterns are located, so if they are on a crossing I want to get both streets. Right now I can ...
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1answer
507 views

Display overlapping polyline segments as multiple lines with offsets?

Selecting which polyline is displayed on top in case of segment overlaps seems to be quite a FAQ, however, I would like to find a way to display overlapping polyline segments side-by-side, i.e. as ...
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1answer
60 views

Highlighting using distinct color where features overlap in QGIS?

I have two species on my map and right now they are different colors. However, what I want to happen is when they overlap in the same spot, the color is a distinct difference from the other two colors....
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1answer
46 views

Can QGIS print nested or overlapping polygons in order?

I use MapInfo-Discover and have calculated Catchment areas for analysis. MI won’t print overlapping polygons in one table in any set order; dividing the data into 100’s of tables isn’t a solution. ...
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2answers
134 views

Polygon Shapefile Overlap with a Raster

I have some raster files of an agricultural region. There are more than 50 small fields in the agricultural region. For each field, a shapefile has been provided. As shown in the image below, each ...
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0answers
115 views

Modify polygons so that they don't overlap and area stays the same

I have a set of polygons and they can overlap with each other, like this: I want to modify them in such a way that they don't overlap and the resulting surface area stays the same. Something like ...
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1answer
285 views

How to calculate the overlap of two polygons in PostGIS

I am trying to calculate the percentage overlap of two vector polygon layers and saving the result as a separate column. The code below is working: CREATE TABLE parcels_all_shapefile_new AS SELECT ...
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2answers
281 views

Summing attribute values of overlapping polyline portions in ArcGIS Desktop?

I have polylines of 80+ bus routes operating in a city. The polylines have attribute values for the number of passengers, number of trips, etc. Many of the polylines overlap at certain areas of the ...
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0answers
101 views

problem with resizing Polygons with gBuffer in R

I'm working on something and having a little problem. library(tmaptools) library(rgeos) library(raster) library(leaflet) library(dplyr) USA <- getData(country="USA",level=1) Texas <- USA[USA@...
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0answers
34 views

How to combine multiple overlapping rasters and outputs a new raster that carries the maximum value [duplicate]

I have 7 classification rasters. Each raster has probability values from 1 to 10. All of the rasters overlap each other at some areas. I would want to create a new raster that carries the maximum ...
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3answers
140 views

ArcGIS merge polygons (catchments)

I have a shape with 113 polygons. (partial catchment in hydrometric station sections). Is there any method, in ArcGIS, to overlap and merge polygons from upstream to downstream, in order to results a ...
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1answer
166 views

Finding overlapping annotations using ArcGIS Desktop?

I use about 10 annotations to produce my map. Every single one has been created separately using Tiled Labels to Annotation. I am using ArcGIS Desktop 10.3 Is there a way to find the annotations that ...
4
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1answer
431 views

which v.clean option is required to eliminate overlapping segments of lines?

I want to produce a polygon layer out of lines like in this image with the command poligonize: Source: QGIS create boundaries from background image The problem is that some of the lines are coming ...
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1answer
238 views

ArcMap Way to merge two shapefiles and take the average of their polygons that overlap?

So I have two shapefiles that show storm surge height values for two different areas. Nevertheless, they overlap for a good portion of their areas. When I merge them together, it seems that the ...
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1answer
74 views

Estimating area of overlap between polygons in same layer

I have a series of buffers representing service areas of bike share stations that extend 400 from the station (network distance). The polygons were generated using Network Analyst. Evidently, buffers ...
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0answers
37 views

Topology checks and error marker

I have a problem in QGIS. I want to find overlapping polygons but not only which polygon overlap with another but the exact node(vertex) that intersect or overlap. The error marker doesn't show you ...