Questions tagged [proximity]

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

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13 views

What is getting nearest points between two different but nearby (almost intersecting) datasets called?

I need some terminology help as I am still learning GIS. This is related to, but not the same as, What is getting nearest points between two different but overlaping datasets called? I have two ...
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1answer
27 views

What is getting nearest points between two different but overlaping datasets called?

I need some terminology help as I am still learning GIS. I have two datasets. One with the address of every fire and it's latitude/longitude of small census tract. One with the location of every ...
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25 views

Distance from point to line with positive and negative values (near tool?)

I am trying to calculate the distance between collected points and a generated shoreline, but I also need to know if the points are inside the shoreline or outside the shoreline. I have been using the ...
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56 views

Unable to retreive neighbors with geohash algorithm provided in another answer

I am looking at a pythonic implementation of this top rated accepted answer on GIS SE - Using geohash for proximity searches? and I am unable to retrieve any matches for my geohash query. Here is the ...
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37 views

Near tool giving wrong values in ArcMap?

I'm trying to calculate distances between two lines represented as point features in ArcMap 10.1. When I run the Near tool it gives values that I know are not true. I'm getting really high values (30 ...
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1answer
30 views

Using proximity tools in ArcGIS Desktop?

I want to find the minimum distance of each point to its enclosed boundary, I have been trying to use the near tool, but the field is giving 0 as values. This is a picture of the attribute table.
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1answer
49 views

Nearest line to polygon based on equal attribute

I have a polygon shapefile and a line shapefile with several thousand features each. I want to get: The nearest distance between a polygon and a line that have the same attribute (e.g. ID). Example ...
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0answers
24 views

How to create a raster map in QGIS that includes the distance to the nearest road multiplied by another variable included in a vector file?

I am using QGIS (v. 3.4). I have a vector file (.shp) with the main roads of my city including the average traffic load of each segment. I would like to create a map with the inverse distance to the ...
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1answer
58 views

ST_Distance does not give nearest node

I am trying to find the nearest point on the road network closest to a given point. I imported the road network into PostGIS from QGIS and am using the SQL window in QGIS DB Manager to query the road ...
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2answers
43 views

Units raster proximity

I aim to calculate the average district-specific proximity to river in India by using the proximity (raster distance) function and the following data here and the GADM India data (level 2 for ...
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0answers
18 views

Find distance between points and borders

I'd like to ask for your help for the following problem. I would like to find the distance for each points from the nearest border, represented by the polyline feature here. I was thinking about ...
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2answers
42 views

Calculating distance between two feature layers in specific direction using ArcMap?

I'm working on a project in which I'd like to calculate the distance from specific locations within a city (points) to the nearest body of water (polygons) following the path of the wind (direction). ...
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1answer
34 views

Transfering attributes from nearest feature using ArcGIS Desktop?

I have two layers, containing polygons (lots) and points (meters). I want to identify the closest polygon to the point, and then copy specific attributes from the polygon to the points. Is this ...
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1answer
75 views

QGIS 3.4 distance matrix returns the wrong point

I'm using Distance Matrix to find the closest point between one set (4 points) and another set (4 points), detailed below. All results look okay except one, where the returned point is not the closest....
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1answer
35 views

Add points (proximity) ArcGIS [closed]

I have a punctual shapefile of wind turbines. The task is to discover if those wind turbines are visible to the human eye. The human eye can see a maximum of 1.6 meters. Which tool can create or add ...
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3answers
110 views

Joining Attributes by Location to nearest point?

I have a point feature and I want to perform a spatial join with the nearest point of another point feature (maybe even within a certain buffer distance). I know QGIS has a nice spatial join tool "...
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1answer
27 views

Calculating distance point to point with certain criteria based on field using ArcMap?

I have a dataset of points representing solar parks, also these points contain data on the year the solar park was developed. Now I would like to know the distance of these solar parks to the nearest ...
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30 views

Using nearest neighbour with conditional field using PyQGIS? [closed]

I'm using QGIS 3.6 I have a point layer with the 84000 animal positions on a fence on varying dates. I would like to obtain the nearest other animal to each animal point, on the condition the Date ...
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1answer
67 views

Nearest Neighbor - return object ID in R

I have a csv file that contains the GPS coordinates of about 100 villages and their unique ID. I have an other csv file with the GPS coordinates of some potential destinations and their unique ID. I ...
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26 views

Spatial joining (nearest) between features that fulfill query? [closed]

I have two point feature classes, one with locations wildfires were discovered, and one where lightning strikes were detected. Both feature classes contain temporal information. For each fire, I want ...
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1answer
25 views

Defining nearest features within shapefile using ArcGIS Desktop?

In a shapefile I have around 17000 lines with different ID. I would like to give a same ID to the feature lines which are close to each other. for example in the picture : ID 306 and 305 should have ...
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1answer
36 views

Calculating distance from line to multiple points in ArcGIS Desktop?

I have road maps (line features) and point features representing forest plots. I created buffer around the roads. Now I want to know the distance from line(road) to the points within this buffer. ...
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63 views

gdal.ComputeProximity always returns 0-value raster

I try to create a raster layer with the smallest distance to cells with targeted value so I use gdal.ComputeProximity(). But I must do something wrong because my output raster contains only 0 values. ...
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18 views

Dissolve on attribute field and location?

I've got a county parcel shapefile and I'm wanting to find all the properties over 300 acres. When I dissolve based on ownership and search for dissolved properties that sum over 300 acres, some of ...
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1answer
51 views

Finding nearest line from points in SpatiaLite?

I have writtern a query in Spatialite to get the nearest line from a point. I want to do that for all points. How can I modify the below codes: SELECT g1.id As gref_id, g2.id As gnn_gid FROM ...
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14 views

ArcGIS: Point nearest to border with information on bordering region

I am trying to create a table from a yield map in Europe, that tells me how much yield for each 5'x5' raster field is achieved. This I have managed. However, I now need information for each raster ...
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29 views

Creating Near Table between points in one layer that share an attribute with points in another layer?

I am trying to calculate the distance between some geographic features (point layer) and the capital of the country that they fall in. I have a shapefile of "features" and a shapefile of "world ...
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1answer
31 views

More creative or efficient solution for a proximity table (1:m) to all points within X distance, keeping obs. where no points fall within X distance?

I have a proximity question. I am open to Arc or Python solutions. I am mainly asking because I think I am lacking a little creativity in approaching the situation. The Situation I have two point ...
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1answer
37 views

Trying to Count Number of Points within Specified Distance from Lines using Carto?

There were multiple points stacked on the same coordinates that I did not notice. I am trying to count the number of points within 10km of lines (routes) so the routes can be styled according to the ...
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25 views

Calculating proximity in ArcMap 10.6

I am new in Arcmap and I am trying to calculate the distance between some points I have in an excel file that have an FID shape and latitude and longitude. However whichever tool I am trying to open ...
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1answer
78 views

arcpy.Near_analysis throws error: feature class does not exist or is not supported or cannot add field NEAR_FID

I am trying to determine the closest line feature to features in a point feature class by using the arcpy.Near_analysis function, as such: search_radius = '' #optional location = 'LOCATION' angle = '...
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0answers
18 views

Adding input files of near tool using %name% or %value% function?

I am trying to caluclate the nearest distance between road and road_buf shp. But I'm struggling to add input features using %name% function in NEAR TOOL. I want to add road_buf file as "c:Desktop\...
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36 views

Understanding Projection for Near tool in ArcMap?

I need to find the nearest distance of points from points in ArcMap. Both layers are in WGS 1984. When I choose geodesic distance in Near tool, I get results in meters. I don't do any projection. ...
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2answers
58 views

Identifying counties further than ten miles from bank using ArcGIS Desktop?

If I have the latitude and longitude of all US banks. How can I identify counties whose center is ten miles or further from any bank using that data?
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2answers
71 views

Separating north, south, east and west of each parcel according to their neighborhood using ArcGIS Desktop?

I am searching an easy way, like code, I have about 70000 parcels from the city. How can I separate north, south, east and west of each parcel according to their neighborhood?
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0answers
61 views

Using gdal_proximity in QGIS modeler?

I'm trying to use gdal_proximity to create a distance raster. When I try to run it independently, it works fine. However, when I try to use it within modeler, it encounters an error. I've attached two ...
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1answer
70 views

How do I calculate proximity for multiple points?

I have two layers, one with lots, one with subway stations (NYC). There are to scenarios: Case 1. I want to rank the lots relative to the proximity to subways. (1.a.) The closer to closest station, ...
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2answers
86 views

What do you call a map that shows the closest distance to a set of points?

This is one of those hard problems to Google since I don't know the right words to Google! I have a list of 6,000 retail locations in the US, and I want to know, for any given point, how far away one ...
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1answer
63 views

Calculating nearest distance between polygons according to attribute field in ArcGIS Desktop?

I have a two polygon shapefiles, one shapefile is a zoning and the second one is a census tract. Now I want to calculate distance from boundary of tract to closest boundary of each zone type (R, C, ...
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1answer
168 views

How do v.distance 'upload' parameters actually work?

I'm trying to use v.distance (using QGIS 3.4) to calculate the distance in meters between a layer of water shutoff points and the boundary of the nearest building footprint polygon. Even better would ...
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1answer
46 views

Converting proximity from PIXEL distance to GEOmetric distance in QGIS

I used the Raster>Analysis>"Proximity (Raster distance)" tool in QGIS in order to create a raster of distances to a particular value in another raster. This is the same sort of thing someone might do ...
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1answer
113 views

QGIS Spatial Index uses bounding boxes; how to get actual nearest line to a known point

I have looked at lots of answers referring to this same issue, and tried using QGIS Spatial Indexes and iterating through the line features in the spatial index to calculate the distance between a ...
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1answer
278 views

Performing kNN between two 3D sets of points (pointclouds)

I have two overlapping pointclouds, for this example I take the first 10, A[0:10] and B[0:10]. They are stored as tuples, [(x, y, z),...]. I want to compare the two based on their nearest x,y,z ...
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2answers
202 views

Excluding point from Nearest neighbor search once it's been matched using R?

I have two lists of addresses, List 1 and List 2. I want to find the nearest neighbors of the list--but without assigning more than one point to any point. So say point 1A is the nearest neighbor of ...
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0answers
45 views

Calculating individual width between buildings using ArcMap?

I have a building footprint shapefile and I would like to calculate the individual width between each building (i.e., adjacent building and across the street). I have looked at solutions which use the ...
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1answer
39 views

Suggestions on how I can depict numerous cell towers with different ranges?

I am trying to make buffers dependent on cell tower ranges. Does anyone have any suggestion on how to insert distance buffers of various that are dependent on attribute values in one layer? I am ...
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0answers
36 views

Combining proximity criteria within Location Allocation?

I am using ArcGIS 10.5. I will explain the situation first: There are 134 139 forest centroids that serve as 'Demand point' to source Bioenergy conversion plants in the state of Queensland Australia....
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1answer
35 views

Re-configuring a Near Table with Multiple Near Features

I'm trying to reconfigure the results of a near table in ArcGIS Pro. The table currently shows the nearest 5 features from a lake layer relative to multiple project locations. I've then used a join to ...
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114 views

Vary symbology of points by proximity

I have 1,000 point locations that represent hospitals, and I want them to be symbolized as different colored points. Since a map reader isn't going to tell the difference between 30 shades of red or ...
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1answer
22 views

Coordinates of IN_FID and NEAR_FID

When we run Generate Near Table tool in ArcMap 10.4.1, we get IN_FID and NEAR_FID. I ran it through my point features and have my data. But, I also want coordinates of IN_FID points and NEAR_FID ...