Questions tagged [select-by-location]

Select features based on their geographic position relative to features in another layer

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2answers
4k views

Select Layer by location does not work

I am having trouble using the "Select Layer by Location" tool. I want to select everything from shapefile A (green) that overlays with Shapefile B (red). Here is the raw data: And one example of the ...
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3answers
1k views

Best way to find points outside state boundary that are supposed to be within specific State

I have a nationwide featureclass called bakeries. In the bakeries FC, there is a field called "State" and the field is populated with state abbreviations(AL,NJ,CT,etc). I have another feature class ...
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0answers
79 views

Method in QGIS to do a select by radius but ignore “islands”

I am looking for a process in QGIS to run a selection from a given point based of a radius that ignores "islands". For example you may have a body of water which acts as a natural barrier past which I ...
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0answers
85 views

Using output layer names from Select By Location

This is kind of from memory as I cannot access my specific code… I am using 10.3.1 and this will be run inside ArcMap. Overall goal: Find which layers in my active dataframe intersect a specific ...
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1answer
552 views

Select by Location (Between two layers) - ArcObjects C#

I have two Point Feature Classes - Say FC1 and FC2 - added in the current map I want to Select Features from FC1 that intersect with Features of FC2 This can be easily done with ArcMap's Select By ...
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1answer
231 views

Trouble with Select by Location

I'm having trouble selecting individual the corresponding polygon in my parcel data based on the location of a property. It seems obvious, but what am I missing? I have a list of geocoded properties ...
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1answer
1k views

How to run QGIS algorithms with selected features?

In the QGIS GUI, the select-by-location algorithm has a choice to only use the selected features from the INTERSECT layer. How can I do this (or use any other algorithm) in a python script for QGIS 3? ...
3
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1answer
366 views

Using Field Value as Search Distance Parameter in Select by Location in ArcPy? [closed]

I've been trying to use the select layer by location tool in a loop to select features that are within a specific distance to one feature class for each feature in a different feature class (each ...
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1answer
59 views

Getting points inside selected feature in ArcGIS Desktop?

I have incorporated district map of India and excel table contents(which consist latitude, longitude and fire data)using add data feature in ArcGIS Desktop. I have attached the picture below to show ...
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1answer
227 views

Rule based styling with select-by-intersection syntax

I want to do rule based styling for a selection of gridded polygons dependent on their position relating to another layer. I want to show the polygon that a point feature based in an atlas falls ...
2
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1answer
384 views

Select layer by location in PostgreSQL

I have a footprint of some buildings (see the picture). The selected buildings have an area below 30 sqm. As you can in the picture see some buildings share almost borders with a building bigger ...
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2answers
169 views

Automating Select by location using ArcPy and where_clause?

I have used the code in Coding python loop to select features of polygon layer than are completely contained in group of 11 layers using ArcPy? to automate select by location analysis using ArcPy. I ...
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1answer
54 views

Selecting points not on end of line

I have a data set of points from which I'm trying to make a selection of the points whose location is between two line segments. What would the way to do it? Here's a picture to illustrate what I'm ...
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0answers
48 views

How do I select rows in an attribute table of a vector layer grid which are outside of another vector layer?

So what I am working on is accessibility analysis, I want to know how many percent of the population of a country have access to certain health services within a given driving time. For example is it ...
2
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1answer
421 views

Choosing LiDAR tiles with vector data using LAStools?

So the problem is that I have a huge amount of LiDAR tiles (in .laz format), but need only part of them that are within the borders of the city. When I load all the tiles to LASTools, I have ...
2
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1answer
49 views

Combining information of two layers in one

I'm working on population data by catchment area in Albania. I'd like to know how many people are living inside one precise catchment area and in every catchment area. For example in the first ...
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1answer
2k views

QGIS Select By Location geometric predicates explanations? [duplicate]

Im trying to test if a polygon either a) touches or b) is only semi-contained by another polygon. The first is self-explanatory i guess, but the second could be many of the different predicates ...
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1answer
159 views

ArcMap 10.6 Select Layer by Location ERROR 000732: Selecting Features: Dataset does not exist or is not supported

I'm trying to calculate the accumulative street length in various jurisdictions in a county. To do this I'm using a search cursor in the city layer and then using the current feature to select streets ...
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1answer
52 views

Sorting by row already pre-selected polygons by location by line? [duplicate]

I have two layers. One with small Polygons and one with a line. I want to select all Polygons which intersect with the line. Additionally the selected Polygons should be sorted by the order of the ...
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1answer
346 views

Selecting only portion of shapefile using ArcMap?

I have two layers: One of the Misissippi River Basin and one of the USA counties within the 48 states. I'm having no trouble selecting the counties within the Basin, but I also need to select the ...
1
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1answer
1k views

Selecting parallel line segments but not segments that intersect

I have 2 different shapefiles that each have railroad track on them. Most of the track being displayed is the same, but since it is coming from 2 different sources, the physical lines themselves are ...
1
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1answer
887 views

Random selection of points in SpatialPointsDataFrame R object with distance constraint

I need to select points randomly (without replacement) from a SpatialPointsDataFrame (input object) in R with a minimum distance of 3,000 meters between them. I want to get random 50% of all points. I ...
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3answers
268 views

Select Random Point Based on Proximity of Other Points [closed]

I want to randomly select 50 points from a point layer of 3,000, but no two points can be within 100 miles of each other. Having difficulty moving beyond a theoretical framework into something ...
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2answers
189 views

Polygons not containing other polygons

I have two large polygon data-sets, one highlights the building footprints and one indicating parcel outlines. I want to find all parcels without a building on them. Essentially all parcel A's which ...
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1answer
364 views

Selecting zip codes without using lasso tool? [duplicate]

I'm new to ArcGIS Desktop. I have a layer representing US zip codes and another layer of data points. I need to select all the data points within every zip code and find out the min-max value of the ...
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3answers
2k views

Selecting Counties within Region via Spatial Query using QGIS/PostGIS?

I'm using GQIS 2.2 and PostGIS on Postgresql 9.3. I have 5 regions in the contiguous United States. Each region has states, and each state has counties. I would like to think that the data I'm given ...
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1answer
92 views

Using SelectLayerByLocation and GetCount to Populate a new Field using Python

I'm attempting to create a script which assesses the intersect between a layer "BldgFootprints" and several polygons "FireBoxMap_1"-"FireBoxMap_44". And from this intersects performs a getCount on a ...
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1answer
289 views

Arcpy.mapping Select by Location problem

I need to adjust a premade .mxd many times, so I'd like to speed it up with this script. Everything is working except the Select by Location part. The query reduce the Address layer to a single point ...
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0answers
75 views

Automatically selecting street segments from address list? [closed]

I browsed around this site and a couples of other QGIS sites, and couldn't find solutions to my problems. However, I'm quite new to QGIS, so my question is possibly pretty naive. I need to create ...
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0answers
77 views

Point data grouping based on location + huge dataset in QGIS

I need community help to solve my puzzle. I have one huge dataset of points that represent places where a set of trucks stopped. Points go to the database if the reported speed of a truck was 0. The ...
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0answers
77 views

Use selected feature in MXD as selector in python?

I am quite new to ArcPy. However, I want to write a script that: uses an existing SELECTED FEATURE of a feature class in a data frame of an existing MXD (on an SDE Server) for a SELECT BY LOCATION ...
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1answer
223 views

Comparing geometry between layers using QGIS?

I'm using QGIS 3.2.3. I have: a shapefile layer of town outlines (about 600 features) a spatialite layer of points (about 20000 features) I would like to filter the points layer to show only those ...
4
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1answer
288 views

Select Layer By Location gives ERROR 000840 ({select_features} as arcpy.Polygon)

I tried to select SC27060054 point object using polygon. r"Project\project.DBO.Qo" is a point layer. import arcpy p1 = arcpy.Point(254426.380, 4664270.258) p2 = arcpy.Point(254432.730, 4664270.258)...
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1answer
1k views

Join attributes of polygons to another polygon feature based on location QGIS

I have two large polygon data-sets. One highlights the building footprints for a county and the other highlights the parcel boundaries for the same county. Some parcel polygon features have multiple ...
4
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1answer
334 views

Select features in a polygon that covered the most by features of another polygon layer QGIS

I am working in QGIS. I have 2 polygon layers, One layer is the parcel polygons layer for a county called "Parcel" The other layer is the building footprints polygon layer for the same county called "...
53
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2answers
100k views

Selecting features within Polygon from another layer using QGIS?

I'm using QGIS 1.8 with a PostGIS database and I have three PostGIS-layers in QGIS a lines layer, a points layer and a polygon layer. What I'm trying to do is to select a polygon in the polygon layer ...
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3answers
965 views

Delete ONLY selected features in ArcMap / ArcPy

I have a layer where features are selected by location in relation to one or more other layers (selection_type is ADD_SELECTION) in a loop. After that, zero, one, some or all features are selected. I ...
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0answers
70 views

How to select trenches only upstream of a station (select by location)

I have a shape (line) that represents the hydromorphology of watercourses and contains several parameters. This morphological study of watercourses has been done on every 100 meters of surface ...
1
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1answer
204 views

How to only select lines (geometry features) going through a polygon? [closed]

I'm currently trying to select bridges (line features), from a shapefile containing roads, which go across water (a polygon). The problem is when i try to select features crossing or intersecting the ...
6
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1answer
568 views

Getting different results using Select by Location with ArcPy vs ArcMap?

I have two different layers. One layer contains features that are supposed to sit directly on top of features in the other layer. With ArcPy I'm doing a SelectLayerByLocation with "ARE_IDENTICAL_TO" ...
3
votes
1answer
429 views

Selecting Features within distance and direction using ArcPy? [closed]

Is there a way to select features in a layer by location based on their proximity to another feature and the direction? E.G., select all features within 10 meters north of current selection? I am ...
1
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1answer
40 views

Only output points near borders, excluding points near coast

I would have liked to ask for help, being confronted to a problem with ArcGis. I have in fact a shapefile of countries and a bunch of points. I would have liked to keep only the points that are ...
3
votes
1answer
185 views

Selecting polygon features that are not fully contained against neighbors in QGIS?

In QGIS what would be the best method to select features that are not fully contained against it's neighbours? For example I want to select local authorities that have a coastline so in the example ...
4
votes
1answer
285 views

QGIS Tool/Script to run that highlights location point features within their respective polygon feature based on the same parcel ID [closed]

Software: QGIS Desktop 3.0.3 Data Type: Vector Point and Polygon feature layers Action: Select based on particular field matching and return/highlight based on geographic location according ...
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0answers
314 views

'Select by Location' algorithm using Python script in QGIS

Could anyone explain to me how to run the 'select by location' algorithm in a QGIS 3.0 script? I find it really hard to understand the documentation about it. I found a lot of docs about how to write ...
1
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1answer
663 views

Creating point in ArcPy to use in Select by Location query?

I have a section grid for a US state. I also have a quarter/quarter section grid which splits the section grid into 16 equal squares. I have written a Python script that finds the XY coordinates of ...
2
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1answer
493 views

How to select features which overlap one geometry but are disjoint from another?

Given a point layer and a polygon layer (P1) in GeoServer, the following CQL Filter selects points which intersect the polygon P1: CQL_FILTER = "Within(geom,POLYGON((P1_coordinates)))"; The ...
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1answer
105 views

Selecting from currently selected features using ArcPy?

When using ArcMap there is an option of selecting from currently selected features. What is the equivalent of that when i want to automate the process? Below is some sample code but its not showing ...
2
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1answer
64 views

Counting only data points which are within a specified radius of other data points?

I wanted to know if I am on the right track here with what I am trying to do. I have two shapefiles, the first contains point data for all the businesses in DC and the other contains point data all ...
4
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1answer
158 views

select by location

When performing an overlay or intersect I would like to know if there is a way to ignore selection when intersection or overlay is less than a certain percentage of area or less than a certain number ...

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