# Tagged Questions

The measure of separation between two entities or locations that may or may not be connected, such as two points.

35 views

### Can you map distance bands?

I know you can calculate using distance bands, but can you actually illustrate them on the map in ArcGIS? I have a presentation next week, and it would be a useful illustration for me to use.
50 views

### How to Move points according to distance and azimuth? [duplicate]

How to Move points according to distance and azimuth ?
158 views

### How to automate calculation of distance between a zip code (centroid) and an address within one line of data?

I have a large data set of federal contracts which includes two pieces of spatial data per entry (or line): the zip code in which the project took place and the address of the contractor. I am ...
45 views

### Equation or approximation of short distance path on Mercator

I use osm map in my project and I want to draw shortest line between two point like this: How do they draw this path? Give me please a clue )
6k views

### How to find nearest point for each point in current layer using ArcGIS Desktop?

I have a point layer and want to know the distance of nearest point of current layer for each point in the layer. I found some tools in ArcToolbox about it , but they need two layers for input and ...
177 views

### Calculate nearest distance in ArcView, XY coordinates

I am really lost and struggling because I have never used an Arc system before. I have two datasets. One with house locations, and the other with investment locations- each locating by XY coordinate. ...
156 views

### Find the point distance along a streams polyline?

Working in ArcGIS. I am looking for a way to find the distance of a point along a streams polyline. I read Finding distance of point along polyline? and it seems to be similar to what I need...the ...
19 views

### How can I quantify whether locations of one 'type' are closer to one another compared to a second 'type'?

This might have an obvious answer but I'm new to GIS and can't seem to find the right technique... I've got GPS points for a bunch of households and have calculated the distance (in km) between each ...
37 views

### Calculate near distances using drive time distances

I know that you can calculate the drive time distance between two points on ArcGIS. But, is it possible to combine the generate near table tool with drive time distances? I have an input feature, a ...
133 views

### What does v.distance calculate excactly?

As I am from an economics department, I am quite a beginner in QGIS. I read, that if I wanted to calculate the distance from a polygon to a point/line/other polygon, I should use the GRASS plugin "v....
2k views

### Finding most remote spot in Eastern United States?

I have this hunch that I could travel no more than 50 miles from the most remote spot in the Eastern United States (east of the Mississippi River), in the direction of the nearest road, and find a ...
78 views

### Distance between two points in a line feature

I have two layers, one with lines and the other with points. Layer one has all the points (A to J) as shown below and layer two has all the lines connecting these points. Is there an automated way (in ...
2k views

### Using Python to compute the distance between coordinates (lat/long) using haversine formula and print results within .csv

I have a .csv file with 3 columns. The first column is titled Distance and it is empty. The second and third columns are titled Longitude and Latitude which contain coordinates, for example: Distance,...
43 views

### Put Labels with distances on lines

this my first question in this forum and I don't have much experience on QGIS I have a layer with lines representing streets in the city and I have to show the distances of intersection points of ...
60 views

### Raster distance for statistical analysis

I am trying to some kind of hedonic analysis. I need to calculate driving forces for new urban areas. In order to do this, i have a raster with new urban area's and one with existing urban areas (...
100 views

### CartoDB distance measurement/best route along street network

I would like to find out how I can perform a distance measurement between 2 known points along a street network, similar to the way google maps gives directions and distances. Is this possible in ...
94 views

### Computing the Vertical Nearest/Shortest Distance in ArcGIS

I have a shapefile containing around a hundred points (lat/longs). And, I have a shapefile that contains a polyline representing a river. The river is somewhat horizontal (runs east to west) but ...
149 views

### Finding distance up geometric network?

I have successfully been using the trace upstream in ArcGIS with 10,000+ points as flags to find what polygons are upstream (using a select of the polygons than intersect the upstream trace). Now I ...
64 views

### How do I get the distances to every cell in GRASS?

I have an elevation raster map, a point, a raster map defining the viewshed from that point, and now I want to produce another raster map with the results of a function of the distance between the ...
369 views

### Distance from waterways using SDC file?

I have an sdc file with water bodies, i.e. oceans-rivers-lakes. I want to combine it with a shapefile with the boundaries of countries all over the world and produce two measures: 1) The average ...
243 views

### Calculating avg distance between two non-parallet lines?

I'm currently working on creating a data model that will allow the analyst to digitize two non-parallel lines of approximately the same length. Currently the methodology is to divide the lines into 11 ...
54 views

### How can i calculate the distance to the nearest five neighbors for a polygon layer?

Data set (shape file) contains polygons. How can I calculate the distance to the nearest 5 polygons in the data set in QGIS?
552 views

### Way to find minimum value from a group of values - QGIS?

I'm wondering if there is a way to find the minimum value of a group within QGIS? Basically I need to find the minimum distance of each unique value in a table of about 5000 records. I can do the ...
328 views

### Google maps distance based on the zoom level

I have used google maps for displaying some locations using markers, based on the user's current location. User's current location is the center point of the map. The default zoom level is 12. In ...
77 views

### Find all points within 5m with same name on large dataset

I have a large dataset (500,000 rows) in cartoddb which contains data like this.(abbreviated for easier typing) cartodb_id | count | lat | long | name | the_geom 1 ...
16 views

### measuring a distance on QGIS 2.2. in meters not degrees [duplicate]

Im using QGIS 2.2.0 and when I want to measure the distance on a map, the units are in degrees instead of meters. I have tried this : Right click on layer -> "Save as..." -> CRS: Selected CRS (WGS84) ...
1k views

### Get the distance from a point on a polyline to polyline's from point

I have a polyline and a point on the polyline. I need to find the distance from the from point of the polyline to that point. ICurve.QueryPoint method does the opposite thing. It gives a point ...
23 views

### Comparing distances between old and new Esri geocode locator points

I need to check the accuracy of the locators between Esri's Streetmap 14_2 and Streetmap 15_1. The two layers need one to one distances measured between points that have the same attributes i.e. same ...
130 views

### Calculating minimum distance using “Distance Matrix” in QGIS

First of all, I'm very rookie in using QGIS. I want to calculate minimum distance between points and a line in QGIS. I use "Distance Matrix", point shape file contains 1337 points data, and I made ...
105 views

### Construct curve of equal distance from two straight lines

Given two straight lines defined by two points each, I want to get the line which separates points nearer to line a from points nearer to line b. The attached PostGIS code is an example case, it finds ...
75 views

### Extracting the closest Point to a Line within a Polygon using ArcGIS for Desktop

I have the following shapefiles: Polyline: Detailing a road network. Polygon: Containing approx. 2000 polygons enclosing sections of that road network. Point: Containing numerous (OS Addressbase) ...
1k views

### clustering points in postgresql to create contour map

UPDATE: To try to make this a little more simple, is it possible to create a query which selects a group of points such that each point in the group is at most X units away from at least one other ...
43 views

### Specifying time and distance attributes in ArcGIS Network Analyst?

My network is taking too long to complete a route. I continually get a completion time of about a month when in reality it should take about 6-8 hours to complete. I downlaoded a tiger/line shapefile ...
12k views

### Excel Distance Calculation

Is there a way (preferably in Excel) to calculate the distance (based on lat, lon) between two lists of points? My end goal would be, for example, to have a list of Starbucks and a list of McDonald's, ...
543 views

### Converting from kilometers to degrees distances?

We have geometries in a Postgis database with SRID WGS84 and we have found lookups directly in degrees to be much faster than in kilometres, because the database can skip the projections I would think....
98 views

### Zonal average weighted by distance from point

I am using ArcGIS 10.2. I have a vector layer with points, which represent houses and a raster layer with values of 0 or 1, according to a certain threshold. In a buffer of 5 km around each of these ...
276 views

### Measuring distance to roads using raster data in ArcMap?

I am using ArcMap 10.1 on a Windows x64 system. I am trying to analyse the driving force of urban land use land cover changes. I have 7 raster files represents distance to roads, distance to river, ...
1k views

### How to compute distances between points and polygon borders?

I have point data and polygon in vector format. For each point, I want the distance from the point to the border of the polygon. However, if the point is inside the polygon, I want negative distance ...
297 views

### How to calculate the distance between a line and a point (using lat/lon coordinates)

In my Android app, I need to calculate the distance from a point (the device's location, which is a lat/lon coordinate) to a line (defined by two lat/lon coordinates), and get the result in meters. I'...
60 views

### Shortest Path Between Points for Airborne Travel

I work for an aerial surveying firm and have a point shapefile of every location we need to fly over to survey. There are approximately 500 features in this dataset. I would like to determine the ...
438 views

### How to calculate distance between points on a line in arcgis?

I created a series of points along a line (as a single feature point), in ArcGIS 10.1. I want to know the distance from one point to the next point along a line. I would also like to know the simple ...
194 views

### NNJoin, MMQGIS and Nearest Neighbor QGIS failed to measure shortest distance

I have two layers, one point and one line. I need the distance to the closest line from the point layer. Not NNJoin, MMQGIS nor the distance hub in QGIS provided accurate measures. Any ideas?
7k views

### What tools in Python are available for doing great circle distance + line creation?

I need to use Python to create a great circle distance -- both a number, and preferably some kind of 'curve' that I can use to draw in a client-side map. I don't care about the format of the curve -- ...
102 views

### How to set a coordinate transformation GRID

Does anyone know how to set a coordinate transformation in qgis so I can measure the distances in meters or kilometers? If anyone has a clue, would be just great. Thanks!
40 views

### Adding separate distance files to calculate total distance in ArcGIS

I have two raster files: A raster of distance-to-outlet for a creek. Value = 0 at creek outlet (white), and the maximum value is at the beginning of the creek (black). A raster of Euclidean ...
118 views

### After how much distance does the x,y coordinate system become noticeably distorted?

I'm working with maritime sensors that give information of moving objects it detects, in azimuth, range and elevation, and we convert it to x,y coordinates for our application to be able to process it....
307 views

### Convert distance from meters to EPSG 3857

I need to convert distance from meters to units of EPSG 3857 in PostGIS. This is important for me to calculate a radius for ST_DWITHIN as I'm dealing with geometries. How can I do this?
905 views

### Draw line between points from multiple datasets

I have 2 point datasets and want a tool or script to draw a line between all points in one dataset to all the points in the 2nd dataset. Is it possible? I have tried ESRI "Point Distance" and "...