Geographic Information Systems

Questions tagged [overlapping-features]

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

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28 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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1answer
28 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 ...
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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 ...
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1answer
126 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 ...
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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 ...
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1answer
61 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 ...
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1answer
49 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 ...
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0answers
18 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 ...
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1answer
55 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 ...
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2answers
49 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 ...
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0answers
13 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 ...
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1answer
52 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 ...
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1answer
40 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 ...
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1answer
38 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 ...
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0answers
24 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 ...
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1answer
31 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 ...
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2answers
52 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 ...
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1answer
48 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 ...
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1answer
51 views

Getting attributes of intersected polygons using PostGIS

I have a PostGIS 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 Intersecting parts of the polygons along with some ...
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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 ...
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1answer
47 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 ...
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1answer
33 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> ...
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1answer
81 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 ...
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0answers
38 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 ...
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1answer
219 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'...
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1answer
49 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 ...
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2answers
71 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) ...
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1answer
101 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 ...
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3answers
331 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
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1answer
75 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 ...
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0answers
65 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 ...
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1answer
81 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?
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1answer
26 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
58 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
58 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
192 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
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0answers
42 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
230 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
103 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
38 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
71 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
58 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
44 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
94 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
93 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
133 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
144 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
209 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
111 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
43 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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