Geographic Information Systems

Questions tagged [intersect]

Ask Question

Use for questions about the ArcGIS Intersect tool

130 questions
Newest
Active
Bounties
0
Unanswered
Filter by
Sorted by
Tagged with
-1
votes
2answers
44 views

Finding overlay/intersect shape percentages using QGIS? [duplicate]

I am working on a project in which it's necessary for me to overlay 2 layers (a map of precincts and a map of census tracts). I need to be able to determine the %area of each census tract covered by ...
0
votes
0answers
12 views

Automating Cluster Assignment of Grid Squares?

I'm using MapInfo. I have a grid layer which has results assigned to each grid square. I'm wanting to automatically assign cluster references using a minesweeper style approach, i.e. where grid ...
0
votes
0answers
12 views

Retrieving which Polygon contains a point

I am using the ArcGIS Online and have a layer within a map. Within the layer I have several polygons. When I load the map via the com.esri.arcgisruntime library, I was able to load the polygons as ...
0
votes
0answers
25 views

Clip/Intersect tool stopped working

I am using ArcMap 10.5.1 I have been using the Clip tool to cut out the amount of a given habitat type found within individual buffers around individual samples. After successfully executing this ...
0
votes
0answers
13 views

Making intersection between two or more WMS layers in ArcGIS Server?

I have two polygon WMS layers: http://myserver:6080/arcgis/services/mylayer1/MapServer/WMSServer http://myserver:6080/arcgis/services/mylayer2/MapServer/WMSServer I need rendered polygons from layer ...
1
vote
1answer
57 views

Why does spatial join on geodataframes return empty result?

I have two geodataframes that I want to perform a spatial join on; one is points, one is polygons. They are both dtype: int64. They both have .crs = {'init': 'epsg:4326'}. I have verified both of them ...
1
vote
0answers
36 views

Joining attributes by location/intersect works for all but one polygon in QGIS?

I used the Join attributes by location and Intersect tools in QGIS 3.4 for my points layer to add a column with name of the intersected area into the attribute table of points. It works perfectly for ...
4
votes
3answers
139 views

Intersect multiple layers at once QGIS

I'm very new to QGIS and am just learning the intersect function. I have about 10 polygons that overlap (not perfectly) and one layer of about say 15 points. I want to know with which of the polygons ...
1
vote
0answers
16 views

ArcGIS Pro Unable to Pairwise Intersect Point with Polygon?

I am trying to create a point from XY coordinates then use Pairwise Intersect to determine the corresponding parcel. The intersect is not returning any values. Any thoughts on the error in this code? ...
0
votes
1answer
30 views

In ArcGIS 10.6, how do I build a model to intersect iteratively?

This is my first time building a model from scratch, so let me know if I've omitted anything in describing this question. I have a geodatabase that contains shapefiles (polygons) of watersheds. I ...
2
votes
1answer
32 views

Identifying intersections in ArcPy?

I have two shapefiles: one containing a single polyline feature, and the other containing a number of polygons. I'm trying to use ArcPy to identify which polygons are crossed by the line, and then ...
1
vote
1answer
23 views

Select records from shape that do not match another table's values

New to the forum, so I apologize for my bad English and if I'm being inconvenient somehow! I read answers that are similar to my question but none of the ones I found fits my case. I have a shapefile ...
2
votes
1answer
35 views

Determining if raster can be clipped with polygon using ArcObjects?

Using ArcGIS 10.4.1 ArcObjects with geoprocessing. I have an input feature class with 100s of polygons and also one raster. I iterate through each polygon and clip the raster and then do additional ...
-2
votes
1answer
31 views

Calculating total area from two intersected polylines using ArcGIS Desktop?

If two polylines intersect with each other and there are more than 2 intersect points, there is more than 1 closed area will be created. How can I get these areas as polygons in ArcGIS Desktop?
0
votes
2answers
42 views

Java GeoTools API: getInteriorPoint does not work on an intersection between Polygon and MultiLineString

I'm working on a Java project using GeoTools API that want to get the interior point getInteriorPoint(), from the geometry coming from an intersection between a Polygon and a MultiLineString. Please ...
1
vote
1answer
69 views

Is Geometry object intersect faster than Intersect_analysis in ArcPy?

I have a script attempting to identify Many-to-Many matches between two different parcel layers. It is an iterative process, during which I dissolve the selected polygons in layers A and B, intersect ...
-1
votes
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 ...
0
votes
3answers
76 views

QGIS: Intersect rasterdata with vectorline

I am new to QGIS. My aim is to be able to get information of the height at any point on my vector line. My raster is a map with height information in the format geotiff. The vector layer is in the ...
1
vote
0answers
33 views

How to output file with all overlaps between two Shapefiles - Neighborhood/Zip Codes [closed]

I have a pretty specific problem I would like help with. I have two shapefiles: neighborhoods from https://www.zillow.com/howto/api/neighborhood-boundaries.htm zip codes from the census bureau: ...
0
votes
1answer
30 views

Performing Intersect of polygon with raster, retaining ID of polygons? [closed]

I have a raster data set of land cover and a set of residential addresses (points). I want to find out what percentage of each land cover type is within 1km of each address (i.e. in a 1km buffer ...
2
votes
2answers
180 views

Combining two spatial tables in PostGIS

I have two PostGIS tables with geometries. One with number attributes and one with letter attributes. Each table has two features (rows). I would like to apply a operation on both stables so that I ...
4
votes
3answers
185 views

Using postgis to flatten all polygons in table

I have a table with many polygons. The polygons all have a name and a value. I want to flatten these polygons so that each polygon border remains as border to the resulting polygons. Instead of ...
0
votes
1answer
42 views

Intersecting data in ArcGIS ModelBuilder?

I have 432 suburbs polygons and an open space dataset comprising polygons I need to extract for each individual suburb the open space polygons inside and those which straddle the suburb boundary (Not ...
1
vote
1answer
212 views

Speed up intersection, union in PostGIS?

I have three tables: water, wetlands and parcels. I want to update parcel table with area that is covered by water or wetland (they can overlap). So I want to Merge water with wetland Dissolve and ...
1
vote
2answers
67 views

Move files from Table Of Contents to a geodatabase in ArcPy?

I have a program that selects certain files and imports them to the Table Of Contents in ArcMap. I would like to do some self intersect operations to all and put them both the original files and the ...
1
vote
1answer
228 views

Intersecting raster with polygon grid in ArcGIS Desktop?

I'm trying to generate the fractional coverage of land-cover within polygon grid cells. My land-cover is a 30m raster dataset (10008x8939 cells) and my grid is a fishnet shapefile (approximately 1km ...
1
vote
1answer
24 views

calculating share of layer refer to another layer

I have two vector layers (1) with 107 subdistricts (2) soil map with classification of the soil value. I like to calculate the share of the area of the soil map with values classified as "very_high" ...
3
votes
1answer
91 views

Determining validity of odd polygon using ArcObjects?

Using ArcGIS 10.4.1 a user in our department created a polygon and saved it to a feature class as shown below. The area covered is correct as at times it could overlap itself. I have calculated the ...
0
votes
1answer
51 views

Using ModelBuilder to intersect point data against multiple polygons?

I'm a novice GIS user and looking to create a model in ModelBuilder that can intersect point data which is a survey data made up of 1000's of individual points in dbf format. This data will change ...
0
votes
1answer
67 views

Difficulty using variables as input parameters for arcpy.Intersect_analysis

I have 2 variables created from a previous geoprocesses: fc = arcpy.JSONToFeatures_conversion("cslf.json", os.path.join("cslf.gdb", "cslf")) selectFeatures = arcpy.CopyFeatures_management(select, "C:\...
1
vote
1answer
236 views

Geoserver CQL file queryCollection limit

I'm using GeoServer 2.9.0 and I need to get some result using CQL_FILTER, intersects between polygon and line String layer, cql query is as follow: INTERSECTS(geom, collectGeometries(queryCollection('...
0
votes
1answer
17 views

Intersect tool unable to find feature class in Python script

I keep receiving this error: from this piece of my script: # Process: Clip arcpy.Clip_analysis(Full_Grid, NAR_U9, os.path.join(Output_Folder, "Cruise_Grid_U9"), "") Cruise_Grid_U9 = os.path.join(...
2
votes
2answers
400 views

Finding overlay percentage between two polygon shapefiles

I have two layers that I am currently working with: 1. Parcels/property boundaries and 2. Wetlands I am trying to determine the parcels that have 0 wetlands and then for the parcels that do have ...
1
vote
0answers
20 views

Finding number of links where buffer and link intersect using PyQGIS?

Created a buffer of 0.001 size at the beginning and end of each link. I want to extract the starting point and the ending point of which the number of the buffer and the link intersect is one. layer =...
0
votes
2answers
211 views

Combining attribute table of polygon and point shapefiles using ArcGIS Desktop?

I am fairly new to using ArcGIS Desktop. I am working with two different types of data. The first is a large shapefile that contains small polygons that distinguish different types of vegetation. ...
-2
votes
1answer
77 views

Calculating total numbers of wells that fall into each county of table using ArcPy?

Directions: For each county calculate the total numbers of wells that fall into that county, and update the county table with the total count. This is the code I have so far. Problems: The ...
1
vote
0answers
101 views

Line and Polygons Intersect Results QGIS 3.0

Dark Green - Line Light Green - Buffer created from Line Pink Polygons - Parts of the black polygons that fall within the buffer zone I have this line going though a bunch of polygons. The result I ...
0
votes
0answers
27 views

Using Intersect function gives error code Intersect [175528_07022018]?

I´m doing field selection studies for red deer in ArcGIS. I have several years of data and have made buffer polygons base on the red deer gps positions. The buffer polygons should be integrated with ...
0
votes
1answer
79 views

Counting Block Group Populations in buffers using ArcGIS Pro?

I am trying to find the total population in 2-mile buffers to find the population 2 miles around primary care clinics. So far I have done this: Added block group outlines and joined the areas with ...
4
votes
2answers
58 views

Calculating number of polygons or points that a set of polygons intersect with in ArcGIS

I have a set of ~100 polygons in ArcMap 10.2.2 that were generated using the minimum bounding geometry tool. I have a second set of ~800 polygons generated the same way. What I need to know is for ...
0
votes
1answer
33 views

Point intersect-setting tolerances in ArcGIS Desktop?

I need to find out which polygon a series of points fall in. Normally I would do this with an intersect so I can then export the data and process it externally. As the point layer contains some ...
2
votes
1answer
22 views

Strange “inFeatures” value for Intersect tool

I am rather new to Python but I am trying to define a function that will take the output of one of my prior functions (5 buffered stream files) and intersect each unique streamBuffer file with an LULC ...
0
votes
1answer
81 views

Selecting intersected lines from two common attributes in very big data set?

I have a layer with lines representing cables. The data set is huge, over 100 000 polylines. Some of these cables lies within the same shaft, some of them lies within the same shaft as an other cable ...
1
vote
1answer
64 views

Finding intersection point of point and polyline using ArcMap?

I have two shapefiles that looks something like this: One point file and one polyline file. I want to find the points where the points and line would intersect if you drew a perpendicular line ...
1
vote
1answer
371 views

Intersect line with raster QGIS

I am looking to replicate a tool that is available in Geospatial Modelling Environment (GME) within QGIS, preferably not using GRASS. The tool is isectlinerst (Intersect Lines With Raster) http://www....
1
vote
1answer
1k views

Raster intersect and gIntersection give different results in R

I'm trying to clip a polygon shapefile (species distribution) with another polygon grid. The goal is to calculate the area occupied by the species within each grid cell. I was able to do it with ...
1
vote
4answers
819 views

Using Intersect to find where line crosses itself in ArcGIS Desktop?

Can I not generate point features where a line feature intersects itself by using the Intersect tool? I try using it with just one line input but when I run it I get a warning saying the output ...
2
votes
1answer
130 views

Selecting polygons which contain majority of area from intersected layer by polygons using QGIS?

I have two polygons layers (a squares grid (blue in image) and a rectangles grid (green in image)). Because the different polygon sizes, different squares overlap with a single rectangle. I need to ...
1
vote
0answers
35 views

Add an attribute to polygon layer based on if it intersects with another layer

I have a layer of buildings and want to give it each polygon an attribute of 1 or 0, based on if it intersects a flood extent. Basically, a flooded or not flooded attribute.
0
votes
1answer
43 views

Intersect tool in ArcGIS merges output points if they intersect same line segment

I wrote a quick script to automate the intersect geoprocessing. There are 2 inputs, Polyline A & Polyline B, and 1 output- a point file with XY where the two lines intersect. Problem is if the ...

1 2 3