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Geographic Information Systems

Questions tagged [overlapping-features]

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

384 questions
info Newest Frequent Votes Active Unanswered
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0answers
38 views

Finding overlapping geometries in the same table using PostGIS [on hold]

I have a table containing about 50,000 polygons and some of them are overlapping. I'm trying to use PostGIS to return a table with all the overlapping parts of the polygons along with some of the ...
0
votes
0answers
13 views

Layers not overlapping and not clipping the layer [duplicate]

Does anyone have an idea about two layers are not overlapping on one another? I have one raster and one vector layer, I wanted to clip or extract by the mask of my raster by using shapefile but it's ...
0
votes
1answer
40 views

Displaying frequently traveled routes? [duplicate]

How can I display frequently traveled routes? I think this has been asked before in a question I am unable to relocate which was about how to display multiple overlapping routes on a map, so that ...
2
votes
1answer
20 views

Mapnik LineSymbolizer for overlaping lines

I'm creating a map with Mapnik, and I have some trouble to correctly render overlapping lines. Fot instance let's consider this piece of XML: <Style name="ferry-routes"> <Rule> ...
1
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1answer
27 views

earth engine overlapping features, keep features matching criteria

I have a Feature Collection of badly drawn polygons. I have managed to identify the ones that are overlapping. I need to eliminate the ones that are overlapping more than 80%, however keeping the ...
1
vote
0answers
34 views

Selecting only coinciding points

I have a lot of points in the same layer. Many of these are coinciding. I only want the points that coincide slected or the points that don't coincide (then I can just reverse the selection). This is ...
1
vote
1answer
50 views

How do I find the percent overlap between two shapefiles in QGIS?

I have two different shapefiles (first and second). I want to calculate how much overlap there is between the liquefaction zones in the second shapefile and each of the neighborhoods in the first. I'...
1
vote
1answer
29 views

Earth Engine, Identify overlapping features

I have a feature collection of badly drawn geometries (a subset is shared with the script). I need to identify the features that overlap in some way (for later processing). The idea was to map each ...
4
votes
2answers
38 views

Calculating line length within mulitple overlapping polygons using ArcGIS Desktop?

My question is similar to Calculating edge length of polygon within overlapping polygon using ArcGIS Desktop? However, my issue differs in that I have multiple overlapping polygons (upwards of 7) ...
1
vote
1answer
50 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 ...
4
votes
3answers
205 views

Finding overlapping areas in same polygon layer using QGIS?

I'm working with QGIS to find overlapping area's in a polygon layer. Some more info : The Layers contains multiple circles ( buffers ) and i need to find where there is an overlapping area of 3 or ...
2
votes
1answer
46 views

Making points count automatically when zooming out in QGIS?

Can I make the point count itself when there are too much stacked up points in one area when I zoom out my map? I want my output e.g. Area of ganli points to be like this when i zoom out Water ...
0
votes
0answers
33 views

ArcGIS JS API vs 4.10 Add Feature Thumbnail to a DIV Template

Hi @Bill Chappell and users, I would like to add add a thumbnail related to each feature on a mapView on click or click on next feature this latter due to features overlapping. My GeoJSON has an ...
1
vote
1answer
37 views

QGis 3.4 Categorized Symbology: Overlapping objects

I have a point layer with categorized symbology One object is a big point and one is a smaller one. How do I change which one is displayed in front of the other one?
0
votes
1answer
22 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 ...
-1
votes
1answer
45 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 ...
0
votes
1answer
38 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 ...
5
votes
3answers
115 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 ...
2
votes
0answers
34 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 ...
1
vote
1answer
92 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 ...
0
votes
1answer
55 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 ...
1
vote
2answers
37 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, ...
1
vote
1answer
50 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 ...
0
votes
1answer
56 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. ...
0
votes
1answer
42 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 ...
1
vote
1answer
59 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.
1
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1answer
76 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 ...
1
vote
1answer
49 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 ...
0
votes
1answer
73 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 ...
0
votes
2answers
123 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, ...
1
vote
1answer
69 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 ...
0
votes
1answer
40 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 ...
1
vote
1answer
171 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?
0
votes
1answer
44 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?
0
votes
3answers
76 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 ...
1
vote
0answers
24 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
1
vote
1answer
139 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 ...
1
vote
1answer
51 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, ...
4
votes
1answer
273 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 ...
3
votes
1answer
90 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 ...
3
votes
2answers
182 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....
3
votes
1answer
85 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 "...
3
votes
1answer
41 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 ...
0
votes
0answers
120 views

Calculate percentage overlap of polygon features in two layers QGIS

I have two polygon layers (building footprints and parcel boundaries) for a county. I want to join the parcel ID numbers to the attributes of the building footprint features based on location and ...
4
votes
1answer
125 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 ...
1
vote
1answer
58 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 ...
2
votes
0answers
52 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
votes
1answer
111 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 ...
0
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0answers
10 views

Polygon Multiple FID attribute for one

I am using ArcMap attempting to find the total area of this multi-part polygon, however in the attribute table there are multiple FID corresponding to the same polygon. They all have the same acreage ...
1
vote
2answers
79 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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