Questions tagged [overlapping-features]

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

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7
votes
2answers
17k views

Find overlapping polylines in same layer in ArcMap?

How can I find overlapping polyline features in a layer in ArcMap without writing any code? I have a PolyLine feature class in a personal geodatabase. It contains some features that overlap another ...
0
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0answers
21 views

Representation of overlapping points by multipoint in ArcGIS Desktop

I have a point shape file with a large number of records of simulations. The attribute table consists of a number of fields about different details of simulations including X & Y coordinates of ...
1
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0answers
35 views

Fixing Topology (Gaps and Overlaps) in QGIS

I am digitizing a new polygon shapefile of property boundaries based on orthoimagery using QGIS Zanzibar. I'm acquainted with topology editing in ArcMap using geodatabases. I did so with snapping to ...
0
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1answer
28 views

Checking feature overlap using ArcPy cursors

I have a set of geometries that I want to check whether they touch another geometry. I have created a tuple "tiffs" where I want position 0 when touches is true. tif[0] and tif1 are strings. The ...
2
votes
1answer
51 views

Clip overlap from polygons

I am trying to script the clipping of overlapping areas from a set of polygons. After having fetched features (outerFeature) a loop (innerFeature) is to check if other features intersect with area > 0....
1
vote
1answer
29 views

How to create vector polygons that show areas of overlap (2, 3, 4 times, etc.)? [closed]

I have polygon shapefile containing several thousand features. The attribute table contains, among other fields, year (1943-2019). https://imgur.com/a/C2JTIjX These polygons (wildfires) often ...
2
votes
1answer
33 views

How can I count the number of countries my GPS data fall into?

I'm working with GPS data in R from different studies and would like to list the countries that each study covers. I can easily map the data using leaflet but I'm not sure how to extract the countries....
2
votes
2answers
47 views

Creating new features from common part of other features in same layer using QGIS

I have many overlapping features in one layer and I want to get common parts of it (like in intersection function, when using two different layers). Moreover I want to sum one of features' attributes ...
1
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1answer
62 views

Overlap Analysis in QGIS

With QGIS 3.8 a new Tool has been introduced: Overlap Analysis. It says that it "calculates the area and percentage cover by which features from an input layer are overlapped by features from a ...
0
votes
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 ...
0
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0answers
21 views

Zonal Statistics for Overlapping Zones Consistent failure

I am trying to run Zonal Statistics for Overlapping Zones on some Buffer feature classes that overlap. I downloaded and ran the script and it succeeded in calculating the zonal statistics for my first ...
0
votes
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. ...
2
votes
1answer
43 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
votes
0answers
36 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 ...
0
votes
1answer
35 views

Overlapping symbol in print layout in QGIS

I am working on water network map in QGIS. I've a layer with different types closely spaced of symbols. For exporting the map, when i zoom out the map some symbols overlapped with each other & ...
0
votes
0answers
13 views

Maplarge table does not return all expected polygons for an “Overlaps” test

I am working with Maplarge for a weather-related app. We use a table that ingests Hurricane data from either NOAA or another gov agency (I'm not positive). The polygon's in question are WKT strings ...
0
votes
2answers
54 views

Getting data of area covered by polygon in ArcGIS Desktop?

We have a layer that contains land parcel information such as area for each parcel, and a unique parcel ID. We also have multiple polygons that cover some parcels. We're trying to figure out how to ...
2
votes
0answers
35 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 ...
0
votes
1answer
15 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 ...
27
votes
2answers
24k 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 ...
1
vote
0answers
130 views

Checking for overlaps in polygons using Oracle Spatial?

I want to get a list of all the polygons from table 2 which overlap with one polygon from table 1. Following is the query which I am trying to use which doesnt give any result. Select b.bg_id from ...
1
vote
1answer
38 views

Getting non overlapping bbox in OpenLayers?

I have tree bbox as follow: bbox 1, bbox 2, and bbox 3. Now I want to get Final bbox from bbox 1 in OpenLayers 5. How?
1
vote
2answers
31 views

Check if two different class points fall within the same cell of a grid?

I am very new to R and GIS and statistics. I'm trying to find out if two set of points of different class (ie. species) that I have are aggregated or seggregated. For that I need to randomize the ...
1
vote
0answers
51 views

Identify intersections and assign them to one of the features in a single layer

I have a single SHP-layer (12,810 features) and want first of all to identify intersections (incl. duplicates --> features with identical geometries). In the next step I want to delete/clip these ...
1
vote
1answer
147 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 ...
0
votes
1answer
120 views

Finding overlapping areas between two or more GeoTIFF files

How can one programmatically understand overlapping areas between two or more GeoTIFF files captured at various timestamps for the same location?
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0answers
27 views

Accounting for intersecting features with spatial join?

I am looking to analyse the effects of the designation Marine Conservation Zones (MCZs) on fishing effort. I have a shapefile for fishing effort which is gridded, each pixel has information about ...
1
vote
1answer
40 views

Subtract lines from lines in QGIS

I have two shape files with lines: one has 41k+ lines and the other has 606 lines. Lines from these layers often overlap. I want to use the second one as a mask to clip lines from the first one so I ...
1
vote
1answer
197 views

Finding overlapping polygons in two shapefiles and deleting them in R? [closed]

I have two shapefiles with more than 1000 polygons each, and they represent two types of agricultural fields in the same area, which means they should be different types. Some of the polygons are ...
0
votes
2answers
57 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 ...
0
votes
2answers
74 views

Using Boolean And to overlay layers in ArcGIS Pro?

I am working for a project related to a site selection in which I have 5 layers to overlay to have as result: Zone1: area suitable Zone2: area not suitable. Boolean And seems to be the perfect ...
1
vote
1answer
993 views

Smoothing polygon boundaries? [closed]

I have a kml file with boundary polygon. It has a lot of gaps and overlaps in them. I converted them into shapefile and tried to use smooth and generalization feature tool in a couple of GIS software'...
7
votes
2answers
6k views

Removing overlapping part of polygons using QGIS?

Here is what I'd like to achieve in QGIS. Is there a processing tool to remove the overlapping part of polygons? It is also very important that they do not get merged during the process and that ...
1
vote
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 ...
0
votes
0answers
21 views

OSM Overlapping Polygon symbolism editing .xml

Looking to show both administrative boundaries of counties as states. There seems to be something that is showing counties and not states when both are showing for a certain zoom level. attached is ...
0
votes
1answer
96 views

Use sf (R) to return the overlapping area between two polygons by rows?

I have two sfc data frames with the same number of rows (individual IDs), but each data frame contains a polygon assigned to the individual. For example, dataframe1 may have a circle assigned neared ...
1
vote
1answer
99 views

Overlapping multiple images with cloud masked?

I am now using fmask algorithm to eliminate the cloud covered areas on Landsat images. I choose a period of time (Jan 1st 2017 to Dec 31st 2017), and selected the study area (Florida). I want to get ...
4
votes
1answer
56 views

Labelling Max coverage by Area

I'm struggling to find a quick way to identify and label an area by the maximum coverage of an overlapping polygon. Has anyone done a process like this lately? I'm currently playing with the Pivot ...
2
votes
1answer
89 views

ST_Intersection + ST_Difference + not overlapping Polygons

I have a PostGIS table with some overlapping polygon and need a PostGIS view where no polygon is overlapping and the data is aggregated (like in the picture). With a Union of ST_Intersection() and ...
1
vote
0answers
22 views

Calculating areas and joining attributes between overlapping features

I am working with QGIS 3.4.8 and Python 3.6.8 on OSX El Capitan 10.11.6. I have two shapefilea, one which is a grid of cells (each cell a feature) and the other one which is urban settlements as ...
0
votes
1answer
33 views

QGIS manually select overlapping features/data points

I am trying to manually select features visualized on a map to change an attribute of several features at once by highlighting them on the map using the "select features tool". I'm using the multi ...
2
votes
1answer
60 views

Identifying overlapping lines within layer

I am trying to identify the overlapping lines within a layer that consists of polygons of land parcels. I have already converted my data to lines and exploded those lines. Indeed, I have run a "no ...
1
vote
0answers
14 views

Creating heatmap for spatial overlap of features (or buffers of features) across different layers using ArcGIS Desktop? [duplicate]

I have several layers of features. For example: Layer1 -> set of polygon features Layer2 -> set of point features (with buffer around each feature) Layer3 -> set of polyline features (with ...
2
votes
1answer
60 views

Identify topological errors using FME

I have one single shapefile with many features. There are three different topological errors that I want to be identified (only identified). Line A consists of many segments and some of segments ...
7
votes
5answers
9k views

Merge overlapping lines in ArcGIS

I have a polyline shapefile containing a number of lines, some of which overlap. By overlap, I mean that they follow exactly the same path for some of their route, but also have bits that are not ...
2
votes
1answer
43 views

Merge only overlapping shapefiles using FME

I am very new to FME. I have 10 shapefiles which overlap but not from beginning to the end! Therefore I want FME to detect "segments" where there is overlapping and splits into such segments the ...
-1
votes
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 ...
0
votes
0answers
30 views

Scattering overlapping points using ArcGIS Desktop?

I am working with a series of points that are located at the same location. Can I scatter these point so that it is possible to visualize them as I zoom in? Unfortunately, they don't have any ...
3
votes
1answer
49 views

Missing features after joining by attribute, but geometry is valid

I've tried joining two point layers by location on QGIS 2.18.27 (Mac iOS 10.13.5 High Sierra), but some points in the new vector don't end up appearing. One point layer is an interpolated point layer ...
9
votes
4answers
4k views

Exploding overlapping to new non-overlapping polygons?

Given multiple polygons that overlap in multiple ways, I would like to export from these features all polygons that don't overlap with others, iteratively. The product would be a number of features ...