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Questions tagged [overlapping-features]

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

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R- Polygons overlapping Polygons

I'm very new to spatial stuff in R and am trying to do something I imagine is very simple but am having trouble. I have two spatialpolygonsdataframes. 1 is of all US counties and another is of core-...
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1answer
680 views

How to get overlapping polylines displayed correctly in Leaflet?

The situation: I work on a web application where routes (represented by polylines) are displayed, that are partly overlapping, meaning some segments belong to more routes. The data: The polylines ...
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1answer
2k views

Check whether table has overlapping polygons, in PostGIS?

Using PostGIS, what is an efficient way to check whether a table with a geometry column has geometries that overlap each other? This is my table: Column | Type | Modifiers -...
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2answers
456 views

Clipping multiple rasters based on their overlapping area ArcMap?

I have Landsat Collection 1 Surface Reflectance NDVI images. I would like to do pixel based time-series analysis and I need all images to be in the same dimension corresponding to the same area. So I ...
2
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1answer
463 views

Counting overlapping stacked polygons or in a cumulative way

Input: I have many many small simples polygons representing some "field of view" from points. Lots of them overlap one or many others. Goal: I would like to give "some kind of" "weight" attribute ...
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40 views

How to deal with missing values in Fishnet

I m working with ArcMap 10.2.2. I have one dataset with red deer observation (Excel Sheet) The data is joined to a polygon layer with administrative boudaries: It looks like this Blue are the red ...
4
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2answers
204 views

Identify polygons that perfectly overlap with a set of polygons in another shapefile

I have two shapefiles with thousands of polygons representing the same administrative units at two points in time. In many cases, the polygons from the two shapefiles overlap perfectly; in other ...
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59 views

Overlapping features and attributes help

I'm using ArcMap 10.3 and am looking for some guidance on how to "connect" two layers. Layer one contains non-overlapping polygons (site) Layer two contains overlapping polygons (species) I would ...
2
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1answer
694 views

Checking whether shapefile has overlapping polygons?

Using QGIS, what is the quickest way to check whether a shapefile has polygons that overlap each other? I guess I could import it into PostGIS, then see whether: SUM(ST_Area(geom)) is the same as: ...
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113 views

Need to find pair-wise intersection for multiple polygon layers?

I have 20 different polygons and I'd like all the pairwise intersection among them. I might be wrong, but I think Intersect isn't working because it's trying to find the intersection of all polygon ...
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1answer
69 views

Intersect Tool - Same Polygon Feature Class Only Want Inner Overlap

I'm trying to find the best way to only get the inner overlap of multiple polygons within the same feature class. I've tried the Union/Dissolve method as well as the Intersect tool and can't get the ...
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0answers
259 views

Joining overlapping polygons in R?

I have two shapefiles with polygons (say S1 and S2). Some of the polygons are overlapping in the two shapefiles but not perfectly. In addition some polygons from S1 are touching polygons from S2. I ...
3
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1answer
839 views

How to overlap and merge layers in QGIS?

I have two layers (1 and 2) and I want to overlap them and the intersection and the union didn't work. I want to get something like this: Is it really easy or is there a special method to follow ? ...
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0answers
36 views

the location of two points group with the same coordinates are not overlaped

I have two points data with the same coordinates, i add one of them by adding from Excel file and other one from CAD file, but in Arcmap the should be overlapped but it is not working. i selected the ...
3
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1answer
419 views

Group near-points into a single weighted point (dynamically)

I have a point feature class that is constantly being updated. The points are clustered, so I would like to display near-points as a single, weighted point (and symbolize accordingly). Related ...
4
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1answer
577 views

Automatically moving overlapping features using ArcGIS Desktop?

I am using ArcGIS 10.4.1. I make a map. I am have two shapefiles: one polyline and one polygon. The polyline is a road and polygon is a building. The shapefiles overlap. I want to automatically ...
0
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1answer
493 views

Visualize overlapping points

I have an INCIDENTS point layer. Staff use the point layer in ArcGIS Desktop for day-to-day visual analytical purposes, such as: Panning around maps that include the layer Visually comparing the ...
2
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4answers
2k views

Counting number of points in exact same location using ArcGIS Desktop?

I have a points shapefile where in any given location there may be one point, two points, or three points on the exact same spot. Any suggestions on how to count those up so I get one point at each ...
3
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1answer
533 views

Compute zonal statistics in QGIS with overlapping features

I would like to compute zonal statistics in QGIS (preferably using the Python console) of a polygon layer with overlapping features. I've seen different questions (and answers) on how to compute ...
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1answer
151 views

Different colors and labels for overlapping areas

I am using Geoserver 2.9.2 + WMS and I need to apply the following for a single layer: make overlapping polygon areas have a distinct color and have those overlapping areas labeled (centered of ...
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2answers
82 views

Many-to-many clip in ArcGIS 10.2

I have two layers, each contain hundreds of polygons. I'm trying to find a way to clip the data from one layer to each polygon of the other layer. The problem is the clip features of the layer ...
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1answer
78 views

Postgis - Find records that each contain a point within a circular area

I have a few tables: hubs coverage_areas jobs Jobs have a lonlat (st_point) column Coverage areas have a lonlat (st_point) column and a radius (integer). Hubs can have multiple coverage areas. ...
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2answers
97 views

Finding equidistance between two overlapping polygon shapefiles in ArcGIS Desktop?

I have 2 polygons that represent districts from neighboring cites. The Polygons extend 1.5 miles out from the city border. There is an area between the 2 cities where these polygons overlap each other....
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1answer
3k views

How to completely delete overlapping polygons with one shapefile?

I can't figure out a method or find a tool that would completely delete (or disregard) just the overlapping polygons (red) that intersect with the Puerto Rico polygon (black). I essentially want to ...
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0answers
156 views

Issue with overlapping features in PostgreSQL database st_difference not working

I am working on a problem in a postgreSQL database with the Postgis extension. My issue is that I have a bunch of polygons in a table and they have some overlap. These are US census blocks. Not ...
2
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1answer
102 views

Remove 'switch selection' pop-up from Select Features tool?

I'm using the 'select features' (clicking with the select features by rectangle option) tool in ArcGIS 10, and when multiple features are present, instead of selecting them all, one feature is ...
2
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1answer
241 views

Identifying double/overlapping polygons using ArcGIS Desktop?

I have two datasets in which the information about the area are deviating: an observation room with three corridors (A = 25000 ha, B = 30000 ha and C = 20000 ha) land use dataset provided by an ...
5
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1answer
485 views

Get intersecting and overlapping point between two lines in ArcGIS?

I have a line feature class that contains two lines with an overlap and intersecting points. The overlap is circled in the picture. Intersection tool in ArcGIS returns the intersecting point, where ...
4
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1answer
55 views

How to horizontally move polygon on top of the TIN or DEM?

I am wondering if there is any effective method to shifting the polygon (to right hand side) to above the ridge in ArcScene? It shifts around 60 meters which make my analysis inaccurate. Do you know ...
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1answer
40 views

Adding field in one shapefile which lists where each attribute of that file overlaps with another shapefile?

I have two shapefiles, one has points where people divert water from rivers, the other has polygons of land ownership. I would like to add a field in the attribute table of the points shapefile which ...
2
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2answers
672 views

Split overlapping buffer polygons into zones

I am using ArcGIS 10.3 and I need to calculate the mean altitude in some zones around specific points. I used buffer tool for the desired distances from the point/center, but overlapping polygons have ...
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1answer
30 views

Preserving uniqueness for overlapping points when converting from points to raster?

I'm trying to optimize outflow points based on lowest elevation within some tolerance. Using the SnapPourPoint function which does exactly this, but outputs a raster file. I've been converting this ...
2
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2answers
60 views

Overlaping lines differently in different locations

I have two lines (two different Shapefiles) that are part of a network and cross each other multiple times. In some parts of my map I want one of them (let say line A) overlap the other one (B), but ...
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1answer
46 views

Interactive map solutions that support overlapping polygons - stand alone or web based [closed]

I need to make an interactive map (stand alone or web based) where users click on an area and it shows the polygon area and the attributes associated with GIS polygons. My users do not have access to ...
5
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1answer
407 views

Displaying multiple similar overlapping polygons in QGIS?

This is more of a cartographic style question, using QGIS. I have a dataset that consists of land parcels (previous archaeological projects) as polygons. Multiple projects from different years share ...
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1answer
748 views

Separate overlapping line shapes (or circle shapes) in raster data

I have a classifier that creates a (raster) segmentation mask that looks like this (after converting Raster to Polygon): Now I'm wondering, whether there is a method to extract actual objects from ...
2
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0answers
91 views

Is there a possibility to use the ring-points from displacement renderer in qgis for map-tips?

I've got as "layer 1" a point data-set and as "layer 2" a point-dataset (with the identical geometries of layer 1) with a varying number of photos (=identical points) to every point of layer 1. Is ...
1
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1answer
518 views

I can't merge similar layers

I'm trying to merge several layers for a "Count Overlapping Polygon" tool which requires one layer. I have data for fire occurrence polygons in the forest from 1969 to 2016. I can't get the layers to ...
4
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2answers
644 views

Controlling Map Tips in QGIS?

I'm relatively new to QGIS (2.14.7 on Windows), and trying to learn how to set Map Tips. Problem is, many points of my point Shapefile are located at exactly same place (overlapping). Can't be sure ...
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0answers
60 views

Highlight areas without overlapping Shapefies in QGIS 2.16

I have a dataset with several hundred shapefiles and need to ensure that there is at least double overlap throughout. I need a way to extract the areas without double overlap, or at least a way to ...
6
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1answer
1k views

Multiple overlay/intersection geoprocessing

Is there any GIS function which gives back the polygons of the intersections by storing the number of the overlapping surfaces to an attribute? Or do you have a script for this purpose? A sample pic ...
2
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0answers
115 views

Populating turn feature class without having turn tables [closed]

I would like to insert a turn feature class to my network. I have created the tool but cannot populate it. When I created it as a standalone shapefile arcgis tells me that it is not part of a ...
3
votes
1answer
295 views

Compute fractions of feature in grid cell

I have a shapefile containing features (line) and I have a UTM grid in the same area. The feature is a coastline with different types. Now I would like to produce the length of coastline and the ...
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0answers
722 views

Remove polygons of one layer from another polygon layer in QGIS

I have two polygon layers, A and B, both in the same projection. I am trying to create a new layer, C, which is all polygons in A less the areas where polygons in A and polygons in B intersect. I am ...
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1answer
416 views

How to sequence overlapping GeoJSON using bringtoFront and/or zindex?

I currently have multiple GeoJSON polygons that overlap. I want to be able to layer them so I can click a GeoJSons a popup menu for that specific polygon to popup. Additionally, I want to have a side ...
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2answers
342 views

2 Coverage maps Comparison (.tab files)

I am trying to work out how much bigger is Coverage1 over Coverage2 in Mapinfo pro. I have 2 Coverage data, Coverage1 and Coverage2. Both maps are in .tab file format. Coverage1 has a wider ...
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0answers
98 views

Depicting multiple point features in same location using ArcGIS Desktop? [duplicate]

On a map that I am creating (in ArcGIS Desktop 10), I need to include symbols for point features that are sometimes right next to (or even on top of) each other. This, of course, creates potential for ...
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0answers
133 views

Showing infowindows for overlapping polygons?

I am using Carto.js and I have a map with multiple polygons with the same boundaries. One layer is purple, and one is orange. I have tried to use transparency to indicate that sometimes there is an ...
3
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1answer
819 views

Merge raster layers with NoData cells

I have two elevation rasters that I want to combine into an output like the one shown in the image - Expected result. I tried that using Gdal: Merge, but it doesn't take into account my NoData cells ...
2
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2answers
722 views

How to find overlapping points and add their name value to each other?

I'm working on a point-layer where points represent the start and end point of lines (streets). Since some streets are joined to each other at the startpoints/endpoints (because they're next to each ...