Questions tagged [intersect]

Use for questions about the ArcGIS Intersect tool

Filter by
Sorted by
Tagged with
2
votes
1answer
94 views

Intersect outputs shapefile with null values

I have a model that iterates through a folder of field boundaries (polygons) and produces an intersect against a shapefile of points. The output is then a point shapefile for each boundary. Note: ...
0
votes
1answer
25 views

Using Intersect to combine multiple layers: correct and zero results

I have four rasters with cells of 5x5 arc minutes. I transformed the rasters to vectors/ shapefiles. The cells overlap, so I used intersect to combine the layers. It dawns on me that this was not very ...
0
votes
1answer
105 views

Topology error in ArcGis

I am trying to intersect a large feature class (118692 elements) with a grid (58000 elements) but I get an error message. Traceback (most recent call last): File "Path/InterJoin.py", line 24, in &...
3
votes
0answers
51 views

Dynamic filtering based on selected Layer in ArcGIS Desktop?

I am not sure this is even possible, I have about 38 geographical polygon layers showing areas of the UK, I also have a query (point layer) that shows all of the offices around the uk. What I am ...
1
vote
2answers
978 views

Intersecting linestrings with polygons in Python [closed]

I have two shapefiles, one is a 1x1 km grid displayed as polygons and the other one is a street network displayed as linestrings. I want to cut the linestrings where they intersect the boundaries of a ...
1
vote
2answers
288 views

OGR - Error trying to intersect two layers

I'm trying to intersect a buffer with a point shapefile using OGR, but when I run it, I get this error: Traceback (most recent call last): File "C:\Users\xxx\eclipse-workspace\xxx\Final.py", line 40,...
1
vote
0answers
148 views

Calculating number of residents living within service areas using ArcGIS ModelBuilder? [closed]

I'm trying to build a Map of service areas of several facilities. In addition, I want to calculate the number of residents living within those service areas. Therefore I have a Layer of Census-...
1
vote
2answers
2k views

turf.js intersect problem?

I have two geojson data sets. One of them is polygon feature "yolbuf" and the other one is a polygon feature collection "polygon". I want to calculate intersections of every feature in polygon feature ...
1
vote
1answer
2k views

Buffer and intersect using turf.js and leaflet

I have 2 geojson feature collections in leaflet. One of them is road and the other one is parcels. I want to calculate buffer for road and then intersect this buffer layer with parcels. How can I do ...
1
vote
1answer
233 views

True GIS clip of polygons + attribute table

How can a true intersection/clipping of polygons be done in R? Problem description: Shapefile1 contains only one feautre without attributes (or - at least - attibutes don't matter). Shapefile2 ...
1
vote
2answers
94 views

Calculate area of two intersecting rasters

I have two large rasters: One defining zones (private properties, with unique value for each property) and one of land cover change (deforestation data, with values for the year it has been deforested)...
1
vote
0answers
56 views

Using Intersect and dissolve to divide district into certain regions with data of interest without losing spatial data in ArcGIS Desktop?

I am using an intersect/dissolve feature workaround in ArcGIS Desktop 10.5. I have a layer of districts of a city and another layer of parks in the whole city /layer of noise amount around big ...
1
vote
1answer
543 views

Getting all Null when spatial joining lines with polygons (ArcGIS Desktop 10.5.1)

I'm trying to append the attributes of the lines (0 or 1) to all the polygons that they intersect (take the mean if multiple lines exist), as shown below. The polygons, lines and the DataFrame are ...
1
vote
1answer
52 views

QGIS— Find zipcode boundaries bisected by city boundaries

I've tried the intersect function but that also returns small zipcodes entirely within a city. Ideally, I just need zipcodes that extend beyond city lines.
1
vote
0answers
92 views

ArcGIS Intersect not showing on all street intersections

I have a centerline shapefile and have extracted a lane way feature class from it as I am attempting to show all intersections where these lane ways cross with public roads. I utilized the intersect ...
0
votes
1answer
59 views

Using intersect/clip for polyline to polyline features resulting in Warning 000117 ArcMap? [duplicate]

I am trying to measure the length of a polyline from its origin to its intersection with another polyline. The application is to find out the distance from a meteorological station to the coastline. I ...
0
votes
1answer
96 views

Determine Los Angeles neighborhoods based on coordinates

I'm new to the GIS world. I've read several sites and previous posts but couldn't find a satisfactory answer. I have a data set of ~400k coordinates from Los Angeles and would now like to determine ...
5
votes
1answer
444 views

GDAL Intersects() not working as it should?

Doing a topological analysis in GDAL/OGR returned an unexpected result. When I started investigating, it seems possible that the Intersects() method is badly implemented. Specifically, points along a ...
1
vote
1answer
126 views

Intersect Tool Input Order

To give context, I was using the Intersect Tool to find the number parcels that are located in multiple Sections of an STR. I tried both the Geoprocessing Tool, and calling the function in ArcPy. I ...
1
vote
0answers
126 views

Intersect error 000732

I'm trying to do intersect with 2 shapes, but it's not working because it can't read my shapefiles... I don't know why, because when i ran it with my other script, it works perfectly! Traceback (...
1
vote
1answer
62 views

Calculating length and area of habitat polygons within overlapping buffers in ArcGIS

I have a created 500 m buffers around a series of sampling points and want to know how much of a certain habitat is contained within each buffer. I used intersect and summary statistics to calculate ...
0
votes
0answers
174 views

Using ArcPy for large intersect/loop?

I have two really large datasets, one with about 3 million hexagon features that span the extent of Pennsylvania being used as 'zones', and one with about 4 million features. I need to run a tabular ...
2
votes
1answer
29 views

How do you account for no geometry at location of overlay during Intersect Analysis?

I have a script that takes a user-provided lat/long, plots it as a point and performs overlay analysis using arcpy.Intersect_analysis() in order to acquire attributes of interest such as land ...
0
votes
1answer
812 views

How to check if one polygon intersects with a feature class

I dynamically create a polygon from an array like this: import decimal lines = ['1|421474.904|4467629.2341','2|421590.35|4467592.7209','3|421611.5036|4467661.6442','4|421611.4173|4467661.7276','5|...
0
votes
3answers
651 views

Using Intersect Tool in ArcGIS gives empty output? [closed]

I'm currently searching for correlations between pavement conditions and crashes on highways. I created a 420ft buffer layer for my selected highways and now I am intersecting it with a layer for ...
2
votes
2answers
478 views

Easiest fix for polygon corner error in QGIS?

I am new to QGIS. What would be the easiest way to fix this apparent boundary error in a shapefile that I have downloaded? I believe it was intended for these lines to intersect as a 4-way corner, ...
1
vote
1answer
314 views

Intersecting raster layer with grid to find average within each cell in QGIS

I have a raster of population density and would like to intersect it with a polygon layer and have each polygon carry the average for the underlying raster cells. How would I go about this? I feel ...
1
vote
2answers
337 views

Clip/Intersect in QGIS 2.8.2 resulting in empty attribute table

I'm trying to clip two layers together (a layer showing the area of a city and a layer showing a political boundary running through that city) in order to show the location of the political boundary ...
2
votes
1answer
191 views

ogr2ogr sql - returning points from one sqlite dataset that intersect with another

I am having great difficulty with the simple st_intersect command when applied to two datasets containing points, derived from the same source. I am using osgeo4w gdal 2.1.3 at command line. My aim ...
1
vote
0answers
102 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 ...
3
votes
1answer
886 views

Speeding up intersect query in PostGIS?

I would like to count the number of points that intersect with a list of polygons. The polygons are very complex (county/state boundaries). I'm using this query: SELECT gid, county_name, (...
1
vote
1answer
67 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 ...
1
vote
0answers
41 views

Sudden errors intersecting NDVI raster data with overlapping polygons in GME

I am experiencing errors with Geospatial Modeling Environment (GME) that suddenly developed after things were working perfectly. Description of software installed: ArcGIS 10.3.1 for Desktop and ...
2
votes
0answers
95 views

How to project coordinates in spatialite using PHP?

I'm using a spatialite database in a PHP program and I need to simulate an "identify" on a polygon layer (EPSG 32632), using point whose coordinates are dinamically generated. I know that this query ...
1
vote
1answer
314 views

Implementing Pairwise Intersect Tool in ArcMap?

This is the first time I have tried to add a tool to the ArcMap 10.4.1 Toolbox. I downloaded the Pairwise Intersect Tool from here and installed it in My Toolboxes in the ArcCatalog : http://www....
0
votes
1answer
694 views

Intersect automatically updating Shape_Area and Shape_Length in ArcGIS Desktop?

I am making a model in ModelBuilder in ArcGIS Desktop 10.1. I am using Intersect tool. I need to calculate the Shape_Area and Shape_Length of my polygons (Projected Coordinate System, EPSG: 5514, S-...
1
vote
1answer
37 views

Using Intersect and Join to analyze data in ArcGIS Desktop?

I am attempting to calculate area covered by roads within a grid. I have used the intersect(analysis) tool to create a new shp file that segmented the road features according to the grid. I then ...
1
vote
0answers
80 views

postgres / postgis detecting new roads algorithm [closed]

I have a postgres (psql 9.1.22) database containing all the lines that ever existed in a region in OSM. I would like to detect newly mapped roads by year. This has to be done by a spatial query (...
2
votes
1answer
307 views

Assigning Values from Raster Layer to Vector Layer in ArcGIS Desktop?

I'm using ArcGIS Desktop 10.3. I have two layers. The first is a raster layer representing density of birds over a given area. The second layer is a polygon layer representing property boundaries, of ...
3
votes
1answer
311 views

Pyshp draws polygons out of order after intersection of two shapefiles

I have two shapefiles. One contains electoral borders but not coastline and the other contains provinces and coastlines. I am plotting the electoral districts using Python's pyshp and filling in the ...
2
votes
1answer
247 views

Cutting line features using polygons in one step?

I would like to cut a line layer using a polygon in one single step in QGIS. There is a solution to do that in more steps: First, using Intersect function, line portions that fall within the polygons ...
7
votes
1answer
3k views

Generate rectangular fishnet or vector (grid cells) shapefile in R?

I would like to create a polygon of 20 x 10 degree graticules from 180, -180 to 90, -90 degrees. To do this in QGIS, I followed: Vector creation tools > Create grid [Grid extent: -180, 180, -90, 90]...
3
votes
1answer
133 views

Count the number of buffers intersecting with zip code polygons

I have a short R script in which I read two sets of data: a shapefile showing the zip codes of a European country an Excel showing multiple points coordinates throughout the country I used the ...
1
vote
0answers
119 views

Batch Intersect Not Working

I'm trying to run a batch job for the Intersect(Analysis) tool in ArcMap 10.3, but when I do for 20 intersects, it brings back this error: ERROR 000210: Cannot create output. However, when I do an ...
1
vote
1answer
197 views

Counting overlaps on large line dataset using FME runs into memory issues?

I have a large dataset of lines (ca 400 000). Each line represents a calculated route on the same road network. My goal is to summarise a total number of calculated trips that pass each part of the ...
1
vote
1answer
139 views

Regrouping concat labels with overlapping intersecting geometries in QGIS

All the fields i want to show on the map are in the same layer. All the labels have to be showed on the map. But the concentration is high. So i would like to concat the labels when geometries are ...
0
votes
1answer
297 views

OGR GeometryReference Intersects() method with OSGB projection causing crash

I'm trying to use the GeometryReference.Intersects() method to see if a feature within a grid intersects with another polygon. I have tried it in the QGIS python console (windows) and directly on ...
2
votes
1answer
150 views

Combining several layers in ArcGIS Desktop using Intersect gives WARNING 000117: Warning empty output generated?

I'm using ArcGIS 10.3 I have the following 4 layers (all are polygons) You can find these layers in this link DATA Sites: 5 subcatchments (Site1 to site5) and site 5 combine all subcatchments ...
0
votes
1answer
3k views

“Reverse” Intersection in ArcMap? [duplicate]

I have a polyline feature class and a polygon feature class. I would like to clip the extent of the polyline which are NOT overlaid on the polygon. How can I do that? I should be looking for ...
1
vote
0answers
24 views

Clipping out polygon into buffer layer so that buffer layer shows dominant feature from polygon layer? [duplicate]

What I am trying to do is clip out a land use layer for the city of Boulder, CO within the confines of a 500ft buffer that I have created for a bunch of road segments. Beyond that I'm trying to get ...