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Geographic Information Systems

Questions tagged [select-by-location]

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

309 questions
Info Newest Frequent Votes Active Unanswered
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0answers
65 views

Speeding up SelectbyLocation?

I have the following code in Python for ArcMap to first select a property polygon and then with this selection to select all wastewater sections which pass through or are within this polygon. In the ...
0
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1answer
42 views

UpdateCursor with SelectByLocation for multi polygon

At the end of this script, I have an UpdateCursor that updates the PLOTS field in the Timber_Type_Polygon with the amount of plots that are within the Timber_Type_Polygon. There's 3 polygons within ...
0
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1answer
18 views

Invalid Input Data on arcpy.SelectByLocation_management

I keep getting this error Traceback (most recent call last): File "\\drafting9\Drafting9\ShanePrice\Scripts\Python\Scripts\Cruise_Plan\Cruise_Plan_Model_Final_SP.py", line 77, in <module> ...
0
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0answers
25 views

Selecting only polygons with certain variable in them using ArcMap?

I have green space polygons for London and also illegal pollution areas in polygons in ArcMap. How would I go about selecting only the green space polygons that have pollution areas in them (so the ...
0
votes
1answer
29 views

Trying to use layer saved as .lyr file with arcpy.mapping.Layer function results in error?

I am fairly new to the ArcGIS development world. I am attempting to write a script that will have an end result of selecting features by proximity to a selected portion of a different feature. So far, ...
3
votes
1answer
150 views

Differentiate between line ending within polygon and line passing all the way through polygon - QGIS

I have a line file and a polygon file in QGIS. Primarily I am looking for any polygon that has a line intersecting it - easy, sorted. From these intersects, I then want to pull out just the polygons ...
1
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0answers
38 views

Selecting by location: Line to Line

I am trying to select line features from an OSM road shapefile layer (Layer 1) based on the features of a line layer (Layer 2). Layer 2 is selected road segments from Layer 1 produced using a routing ...
6
votes
0answers
116 views

When using QGIS join by location, how does QGIS determine the first located feature option?

I have used QGIS process 'join attributes by location' in one of the models I have built and I have now been asked to explain in detail exactly how the model is determining the results. I am using it ...
0
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1answer
14 views

Selecting polygons from file 1 based on their location within file 2 using ArcMap?

I'm working on a project right now where I want to find the census tracts within a particular traffic analysis district. I may just be blanking on it, but I'm working with two files. The first has ...
2
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0answers
64 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 ...
3
votes
1answer
32 views

For a specific point in space, get the pixel in which that point lies (in R)

I am a bit new to the spatial packages of R. I have a hdf file from which I can get a data.frame with the latitude and longitude of the corners of the pixels, and the latitude and longitude of the ...
0
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0answers
49 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 ...
0
votes
1answer
27 views

How to efficiently reference/connect data without overlap

I am doing an analysis that places a buffer around X property, then identifies all the parcels within that buffer to store in a database and perform analysis on later. Currently, I have two separate ...
1
vote
1answer
43 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 ...
2
votes
1answer
60 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 ...
1
vote
1answer
32 views

Earth Engine Cascading selects - redraw/highlight on select

I am trying to create a scenario in Earth Engine where a user has three drop down selects. On each select, the next select will be filtered by spatial intersections of the first select, and the third ...
3
votes
1answer
142 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? ...
0
votes
2answers
41 views

Identifying which lines cross building polygons using ArcMap?

I have the following lines generated from coordinates with XY to Line. I would like to select and delete the lines which cross and are contained within the buildings. I need to do this to find the ...
0
votes
1answer
37 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 ...
1
vote
1answer
93 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 ...
2
votes
1answer
98 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 ...
3
votes
2answers
127 views

Calculating point layer values within polygon features in QGIS 2

There are two layers polygon BereichBerechnung with a field "Are_Number" points EW2017 with a field "EWjeAdr" In QGIS with a Virtual Layer, I want to calculate the sum of the field "EWjeAdr" for ...
0
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2answers
70 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 ...
2
votes
1answer
104 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 ...
3
votes
4answers
165 views

Selecting features with same geometry in one shapefile

@TeddyTedTed's answer is nice, however, I am looking for something more efficient. I am working on a public transport network in one shapefile (polyline type) in QGIS 2.18. Certain bus routes ...
1
vote
1answer
28 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 ...
2
votes
0answers
34 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
votes
1answer
37 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 ...
0
votes
1answer
86 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 ...
1
vote
1answer
44 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 ...
2
votes
3answers
51 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 ...
0
votes
1answer
93 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
vote
1answer
248 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 ...
1
vote
2answers
135 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 ...
1
vote
1answer
66 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 ...
0
votes
2answers
85 views

Select multiple rasters from location

I have a lot of rasters (almost 4000) wich are representing individual glaciers in the Alps. I would like to select only the rasters located within the french border. As I have no information in the ...
1
vote
0answers
52 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 ...
1
vote
1answer
77 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 ...
3
votes
1answer
119 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)...
3
votes
1answer
95 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 "...
2
votes
1answer
530 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 ...
1
vote
3answers
185 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 ...
2
votes
1answer
192 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 ...
1
vote
0answers
65 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 ...
0
votes
0answers
14 views

Finding STW easements with no features in STW polygon in ArcGIS Pro?

I have county data for Storm Water Management easements and then have county data regarding STW features. I am trying to figure out how to create a layer of the STW easements within the county that DO ...
1
vote
1answer
294 views

Selecting n-random points within polygon as single feature in Google Earth Engine?

IMPORTS: var geometry = /* color: #98ff00 */ee.Geometry.Polygon( [[[73.85016678395664, 14.304113379426035], [73.85016583974448, 14.048667693939866], [74.0477686190103, 14....
1
vote
1answer
34 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
84 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 ...
3
votes
1answer
138 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 ...
1
vote
1answer
77 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 ...

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