Questions tagged [overlapping-features]
Features that share some or all of their spatial location with other features.
431
questions
2
votes
2answers
72 views
Removing overlapping parts of polygon
I have many polygons with overlaps.
I want to remove the part of overlapping that is between polygons.
I tried Symmetrical difference, it gives me only the area overlapping and not two polygons.
...
1
vote
0answers
30 views
Overlap of two images is switched
I try to find a way to create DEM model for two overlapping images from different sources. The upper image has transparency of 50% and as you can see they don't quite overlap correctly. The ...
4
votes
4answers
166 views
Finding truly intersected polygons
Intro
Short version: My goal is to find geometries intersected by a target polygon.
To find overlaps - the most straightforward choice is to use ST_Overlaps or ST_Intersects. But this method will ...
6
votes
3answers
378 views
Styling overlapping polygons of different layers
I have 3 layers that sometimes have overlapping features. I need to use a thin outline style to interpret the area within the polygon and want to be able to see on the map when the features overlap. ...
2
votes
0answers
46 views
Road overlapping - ModelBuilder
I have a road feature class (in illustrations shown in gray color), each object in the attribute table has a "road_width" field with a numeric value, what width the road is. This feature class has ...
0
votes
0answers
23 views
Simplifying complex/overlapping polygon using GDAL/OGR
Is there a GDAL/ogr implementation of this paper?
http://www.cis.southalabama.edu/~hain/general/Theses/Subramaniam_thesis.pdf
It outlines a really nice way to clean up potentially overlapping ...
0
votes
2answers
23 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
69 views
List of overlapping WMS layers [closed]
How do I get a list of layers by clicking on overlapping WMS layers in the Leaflet map? The best solution is to have the list in a single popup on the map.
<!DOCTYPE html>
<html>
<...
2
votes
0answers
32 views
Avoid Overlap option not working in QGIS
I am creating polygons in a FGDB layer inside QGIS. I have topology on with advance options and have checked avoid overlap option for that layer.
Still, I am getting overlap some times and some times ...
2
votes
1answer
23 views
Using Geos C++ Library to return overlap and intersects [closed]
I'm running GEOS C++ Library v 3.6 on Fedora. I have a list of geometries I loaded from a shapefile and converted to geos polygons. The shapefile is large and I may be overlaying several ones to ...
0
votes
1answer
82 views
Overlapping two line problem
I want to check if 2 linestrings intersects (or overlaps) or no.
I use turf.js overlap.
Here are the results I want to get:
CodePen
1- If only first or last points of line 1 intersects with first ...
3
votes
1answer
102 views
Using Layer Actions on overlapping polygons with PyQGIS
I have a file with many overlapping polygons that outlines different datasets. In the attribute table I have an absolute Windows path to mapinfo tab files. I would like to define an action on the ...
2
votes
0answers
29 views
Point Displacement in MapServer
In QGIS symbology controls there is a "Point Displacment" option for offsetting points that are close visual clarity. Is there a similar control for MapServer?
1
vote
1answer
32 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 (...
0
votes
0answers
34 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 ...
2
votes
0answers
59 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
votes
1answer
36 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 ...
1
vote
1answer
44 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
38 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
50 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
vote
1answer
151 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
0answers
24 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 ...
2
votes
0answers
44 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
41 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 & ...
2
votes
0answers
46 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 ...
2
votes
1answer
57 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
39 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
38 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 ...
2
votes
1answer
45 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#= ...
0
votes
1answer
22 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
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 ...
0
votes
1answer
185 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?
1
vote
1answer
41 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
0answers
28 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
237 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
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 ...
1
vote
1answer
120 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 ...
2
votes
1answer
130 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 ...
2
votes
1answer
66 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 ...
0
votes
2answers
63 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 ...
1
vote
0answers
16 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
63 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 ...
0
votes
1answer
146 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 ...
2
votes
1answer
49 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 ...
0
votes
0answers
31 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 ...
0
votes
1answer
36 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 ...
0
votes
2answers
88 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 ...
3
votes
1answer
52 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 ...
3
votes
1answer
77 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 ...
