Questions tagged [proximity]

Use for questions about vector features and their proximity or nearness to other features.

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Finding Overlapping/Close Points of Same Layer in ArcGIS Pro

I have a dataset of point features with photo attachments of street signs from volunteers through the Survey123 app. The app records their location which ultimately creates the point feature. Part of ...
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1answer
43 views

Using ArcPy to Generate Near Table in memory

I have a point SHP in WGS84 (EPSG 4326) and I am trying to tabulate the distances to the nearest point in meters. I need to do the analysis using ArcPy, but I want to get the results in a Pandas ...
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23 views

Finding distances of points from capital cities using ArcMap

I have millions of points covering the whole world. I need to find the distance of every point from the capital of the country which the pixel belongs to. So I won't need the distance of every point ...
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0answers
34 views

Generating nodes at joining points

I have road network (lines) and points (Address) . With the help of closestSegmentWithContext function, I join points to nearest lines in QGIS. Is there a way to to generate a nodes at every joining ...
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17 views

How can I identify points that share similar attribute with polygon features based on the attribute & distance between the two?

For Example; if both the point & polygon features have an ID field, I need to flag the points if they share the same ID as a neighboring polygon & are w/in 2000ft of each other. I have tried ...
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30 views

How to calculate a service area of a facility, while using multiple co-variables?

Problem we would like to solve is finding out what methods are to calculate the most efficient routes in a map with distance/travel time, pop density and facility capacity as co-variables! Perhaps ...
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27 views

How can I join attributes by nearest, filtering the results by an another attribute present in both tables?

I have the centroid layer of climate polygons and I want to find the closest weather station of the same type of climate. The two layers (the one of centroids and the one of weather stations) contain ...
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1answer
31 views

Process to calculate distance from points to line in QGIS [duplicate]

I am trying to calculate the distance between each point(as seen in the picture below) and its nearest line which is a road. I have tried to rasterize the data on all the roads and I end up with the ...
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0answers
23 views

Joining attributes between layers based on proximity of features [duplicate]

In QGIS 3.12 I have a Layer Y that has a specific attribute and my objective is to fill this attribute with information from Layer X regarding the proximity between the features of Layer X and Layer Y....
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0answers
47 views

Generating similar random points in QGIS

I have data (Lat, Lon) of 32 buildings, and their plot in QGIS is given below in red dots. Now based on the calculated mean distance (Nearest neighbor analysis) between these points, I want to ...
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1answer
80 views

Connecting lines with point in QGIS

I have two shapefiles Blue network yellow locations as shown in the below figure. I want to connect all yellow dots with the blue lines blue as shown in red color in the figure. Is there a way to ...
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2answers
122 views

Update points geometry while snapping them to nearest line

I have two tables in the PostGIS database - points and lines. And I want to update points geometry to snap them to line if they lay within a certain distance. By now I managed to create a new table ...
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24 views

topology: points closer each others + report

I have a point feature class structured like this: CompanyID | PersonalID | Lat | Long | 1 | 1 | ... | ... | 1 | 2 | ... | ... | 1 | 3 | ... | .....
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1answer
21 views

Extracting coordinates of nearest point

Is there a way in QGIS to extract the coordinates of the nearest point on a polygon from an input point layer? I am looking for the coordinates not the distance, as provided by NNJoin.
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1answer
17 views

How to get Euclidean Distance to include all input features?

I've run Euclidean distance on a water source dataset. Water is represented as polygons and I run the Euclidean Distance tool in ArcMap. It appears to work great but when I zoom in I notice that some ...
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37 views

Nearest distance between point and line layers in QGIS-3

I have a line layer with a road network and another point layer. I would like to connect the points to the nearest line in the other layer. I have tried to use the Vector analysis > Distance to ...
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1answer
86 views

Using QGIS 3.12 gdal:proximity doesn't output raster file in output location in PyQGIS standalone application

I'm trying to use the gdal:proximity function from pyQGIS algorithms. below is my code for trying to run the algorithms: def publicgreen_qgis(self, in_fn): params = {'INPUT':in_fn, '...
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1answer
23 views

Finding average distance from polygon to multiple points

I am trying to find the average distance from a polygon to multiple points on a map. Specifically from a parcel to "downtown hubs". I have used the "Near" tool to generate a table showing the distance ...
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0answers
37 views

Layer not completely drawing in ArcGIS published service

I am publishing a service and one of my polygon feature layers is not completely drawing when viewing the published data through ArcGIS REST API. All features within this feature class are drawing ...
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1answer
86 views

Join/Summary Nearest Neighbors QGIS

I'm looking to spatial join points to their k nearest neighbors, with attributes summarized (mean, sum, sd, etc.). I have looked at Join by Location (Summary) and Nearest Neighbor Analysis but the ...
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0answers
33 views

Calculating distance to nearest coastline with ArcMap

I am using ArcMap to calculate the distance from a list of coordinates to the nearest coastline. I downloaded the shapefile of coastlines from https://www.ngdc.noaa.gov/mgg/shorelines/ and converted ...
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2answers
107 views

Mean value of pixels nearest to point (per image per point of collections) (Earth Engine)

I'm trying to extract the nearest pixel value of an Image Collection. So, for a Feature Collection, I get a time series with the mean value of the nearest pixel. The question here shows how to do it ...
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2answers
169 views

Snap a point to a line and get the line ID (using the ArcGIS REST API)

I have an external work order management system in which users create new sidewalk work orders (points). When a user creates a sidewalk work order, a Jython script will invoke a URL that passes the X ...
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1answer
36 views

Get distance from point to 10 nearest points in ArcGIS

I've a layer with the location of different sampled ponds and a layer with all the ponds in the region. I want to calculate the mean distance to the 10 nearest ponds in the region for each of the ...
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3answers
417 views

R - Find “n” closest points to each point in SpatialPointsDataFrame

I am working with a dataset that is similar to this one: library(raster) library(sf) # Define CRSs crs.latlon <- "+init=epsg:4326" crs.sirgas <- "+init=epsg:5880" # define edges in somewhere ...
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0answers
42 views

What is the best way to calculate the accuracy of GPS point measurements in relation to the road network?

I have a vector dataset containing GPS locations/points of different vehicles and a (polygon) road network dataset. Due to the inaccuracy of the GPS receiver, these gps points can deviate up to 10-20 ...
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0answers
24 views

Locating points based on location and attribute difference using ArcMap

I am not sure if this is feasible or not but here is what I am looking to do: I have a point feature class where a certain set of the points all fall within 10-15 feet of another point. Ideally, ...
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1answer
73 views

Finding points closest to latitude longitude point using PostGIS

Right now I have a data base with PostGIS. Several of the data sets contain different locations at latitude longitude points. I will be doing several queries based at different latitude longitude ...
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0answers
26 views

Python code to determine distance to specific polygon boundary [closed]

I am trying to automate a process to assign location codes to parcels. The method is to measure from the centroid of the parcel polygon to the eastern edge of the section polygon, then measure from ...
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2answers
48 views

Spatial Join unique values for closest target feature

I have a polygon shapefile of land plots with their corresponding cadaster number and a point shapefile with a water meters for each lot. What I'm trying to do is to join the cadaster number from the ...
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1answer
89 views

Would nearest point using Geodesic distance and nearest point using Haversine distance be the same point?

I have a point A and trying to find the nearest point to A in a list of points (B, C, D). I could use knn with haversine metrics and get the nearest point like this: knn = NearestNeighbors(...
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1answer
74 views

How to convert a point vector layer to raster

I am trying to use QGIS to calculate a proximity map around a set of points. it appears that point can't somehow be converted to raster (well they are converted but the points are not visible after ...
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0answers
18 views

Point Distance Tool not licensed errors [duplicate]

I've some problems concerning Point Distance in ArcGIS 10.5. Whenever I try it to open, this tool appeared "require licensed tools".
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1answer
37 views

Finding point from Layer B that matches point from Layer A using search radius

I have two point shapefiles of trees from two different surveys. I want to verify if data from Survey A matches data from Survey B. I want to create a search radius of 10m around each tree from ...
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1answer
32 views

How to burn coordinate point of polyline to the pixel value while converting it from vector to raster

I am trying to plot a proximity raster for secondary roads in a particular area. What I have is a set of polyline representing the roads. Now, I want to create a proximity raster based on the polyline....
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1answer
24 views

Finding distance from every point in one layer and every feature in another using ArcGIS Pro

I have two layers. One contains points (lat/lng) and the other contains lakes (polygons). I want to generate a table that shows, for every point, the distance to every lake. What tool in the ...
4
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1answer
79 views

QGIS - How to find the distance for the nearest polygon from point for a defined angle?

I'm using QGIS 3.1 and I want to find the distance from a point to the nearest polygon for a given direction. So for example, for each point in my point layer I want to find the distance to nearest ...
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0answers
60 views

Link point to nearest line using GeoPandas [closed]

I use GeoPandas to link a point feature to the nearest line feature with the code below. I thought I might share it for anyone to comment on it or offer a better solution. Pay attention to the comment ...
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0answers
26 views

Is it necessary to use projected coordinate system for sf (function: st_nearest_feature) package? [closed]

I have two csv files, each with lat/long coordinates. I converted them into sf objects, giving each GCS (geographic coordinate system) crs. When I use the st_nearest_feature function, I get this ...
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0answers
34 views

Extracting data from one grid cells to another set of grid cells

I have my own point shapefile (each point has its lats n longs). I found a data which has lats and longs, and I imported it into ArcMap and created a shapefile which also has its own points (with lats ...
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0answers
69 views

Expedite Near function in R for 10^9 coordinates?

Goal I want to find the geodesic distance between the closest hydrography feature to each of my lat/long coordinates. I have hydrography data from New York state in a shapefile. I have many points, ...
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1answer
73 views

Expedite Near function in ArcMap 10.7 for 10^9+ coordinates?

I want to find the geodesic distance between the closest hydrography feature to each of my lat/long coordinates. I have hydrography data from New York state in a shapefile. I have many points, 10^10 ...
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0answers
19 views

Distance from points to points in the same polygon

I have 2 point layers and 1 polygon layer. I want to find distance nearest between this 2 point layer, but they must be in the same polygons. I used distance nearest hub, NNJoin, MMQgis but they just ...
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0answers
35 views

Distance nearest hub with conditions

I have 3 shapefile: pipes (line), junctions (point), customers (point). I want to bring customer demand value from customer to junctions with conditions: First condition: Nearest road Second ...
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0answers
51 views

How to get attribute of nearest neighbour of polygons from a points layer

I have 2 layers, one of polygons and one with points. Both have some attributes. For each polygon, I would like to take one attribute of points layer from the nearest point and put it in a field of ...
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1answer
50 views

Finding average distance to nearest point

I would like to find out the average distance from high schools (represented as a point in QGIS) to libraries (represented as another point in QGIS) in New York's 32 districts. I have already ...
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0answers
52 views

Nearest statement - Mapbasic

When I use the nearest statement in mapbasic, not all the "from table" points show up. For example I am looking for the nearest distance neighbor of every point in a table (called Points). I use this ...
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1answer
51 views

Nearest Neighbour huge values QGIS 3.4

I am repeatedly getting values in the 1000s for a nearest neighbour analysis in QGIS 3.4. I've tested a different dataset and getting the expected result (i.e. between 0 and 2.5). But from the ...
6
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1answer
225 views

Deleting “lonely” points in QGIS?

I have a large point dataset of about 5.3 million points. I would like to delete the "lonely" points using QGIS, for example all points with no neighbor within a 5 km radius. The extent of my point ...
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1answer
45 views

Deleting points based on number of neighbours using ArcGIS?

I have one point dataset of around 270,000 points. I have another larger point dataset of about 3.5 million points. I would like to make a 5 km radius around each 270,000 points of the first dataset....

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