Any of a set of two or more numbers used to determine the position of a point, line, curve, or plane in a space of a given dimension with respect to a system of lines or other fixed references.

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165 views

Translate coordinates in GeoJSON export

I am wondering if there is a way to apply a translation in coordinates for a GeoJSON export. Currently, there are negative coordinate values in my export, which I cannot have. I am trying to use ...
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120 views

Correcting coordinates of CAD drawing imported into ArcGIS?

I am having some issues with some CAD drawings that I have imported to ArcGIS. I have a number of CAD drawings where by the features within the drawing have an error in their coordinates. For example, ...
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2answers
191 views

Calculate actual Landsat image corner coordinates to derive azimuth (heading)

This is the continuation of an unsolved problem I had (see this thread if you like). I have a Landsat image and I would like to estimate the satellite azimuth for my location. As the satellite follows ...
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1answer
175 views

Calculation to convert db data to Lat/Lng degrees

In a database I have the following Lat/Lng data. I wish to convert it to a readable format. 177514245:34726053 => S 32 7.3947, E 115 51.4245 177513828:34726948 => S 32 7.3052, E 115 51.3828 ...
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72 views

MakeXYEventLayer_management not creating final file?

I'm using python to generate x and y coordinates for the start and end of lines in Arc. I have successfully done this part but when I try and generate the nodes I have no idea where the output file ...
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1answer
97 views

How do I add coordinates to a polygon layer to be able to sort the polygons from north to south in QGIS?

I have a polygon file, where each polygon represents one property. I want to be able to sort the polygons from north to south or vice versa. I need them to be sorted in this way when I export them to ...
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2answers
1k views

From coordinates find country using Python

I have tweets with coordinates. I'm trying to bucket the tweets by country using the coordinate information. I know that I can achieve this using some hosted web services but all of these have API ...
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1answer
102 views

Defining a line from geographic coordinate points.

On a flat surface we can define any point on line which passes from point1 (x1,y1) to point2 (x2,y2) via simple trigonometry. How can we do that with latitude and longitude of 2 points? Imagine we ...
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1answer
127 views

FME: how to extract the coordinate of the North West corner

In an FME translation from a polygon geodatabase feature class to a DGN I am trying to place a label in the top left corner of a box. I have tried using CoordinateExtractor to find the coordinates of ...
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1answer
51 views

Transform an Irish grid reference (29903) into UK grid reference (27700) on insert

I have an insert script to input several hundred points, however some of the points use the Irish Grid Reference system. I have separated these out however was unsure how to convert or transform? ...
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1answer
101 views

produce a grid of geographic coordinates within 1 mile of each other with QGIS or PostGIS

For a given county (bounded box, lets say), I need to get a network of gps points such that each point is 1 mile from its nearest neighbor point in each cardinal direction. The result of this initial ...
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3answers
540 views

How to export xy-coordinates from a line segment

I need an export of xy-coordinates of line segments (Quantum GIS). I found an answer to a similar question here but that concerned only xy of the first and last vertex of a line segment. But I need ...
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2answers
391 views

How to extract features with specific coordinates from a ShapeFile?

I would like to extract a number of features from a ShapeFile which match with specific latitude/longitude values. I am interested if/how this can be done with QGIS and ogr2ogr. The output should be ...
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1answer
297 views

ArcMap 10.1 - UTM Zone Display Mismatch

I've recently noticed that the UTM zone displayed in the Identify box and the "Goto XY" box display a different UTM zone than the one I'm in. I'm working in WGS84 NAD83, Zone 13N but when I use the ...
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1answer
146 views

Polygon Nodes do not have separate coordinates [duplicate]

I'm attempting to measure the distance of a series of points from a smaller number of polygons. As a first step, I've changed the polygons into points along their border, via the Vector> Geometry ...
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1answer
283 views

ROAD COORDINATES Data (CARDIFF)

Does anyone know how to get road coordinates data from openstreetmaps? I know its possible I just don't know how. Thank you!!
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1answer
339 views

How to divide a certain country on a map into grids?

I want to divide a certain country into grids 1,2,3,..., which are divided equally - in other words, have the same width and length. Then, I want to know into which grid a point coordinate will fall ...
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1answer
593 views

I want to import an Excel spread sheet with desc, northing and easting into Google Earth to make a KMZ

I have a spread sheet with three columns containing a Description, a Northing and an Easting in UTM. Instead of entering the points in by hand, I want to find a faster method. Any help is greatly ...
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1answer
259 views

Calulate distance between two points [closed]

If I have two coordinate points of (lat, lon), how would I calculate the distance between the two?
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1answer
50 views

Obtaining coordinates when computing distance of a polygon to a line

I have a shapefile of a county. I am interested in computing its distance to a line, which I've been doing using Near. I want to know the coordinates on the line that produces the minimum distance. ...
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1answer
2k views

Dynamic scale bar, coordinates and grid for map frame in Mapinfo map layout

I believe dynamic scale bar and coordinates (grid) for map frame in map layout are BASIC things which Mapinfo (GIS software for thousands dollars) should allow me to do. To make it clear I am talking ...
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1answer
652 views

Aligning coordinate systems: gpx, LiDAR, shapefile

I am working on a project based on a lidar data set (for use in LidarViewer in Linux, a basic x,y,z viewer) that was downloaded from #1 below at Opentopo.org and looking to add onto this data set with ...
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3answers
2k views

Calculate XY Coordinate with “CalculateField” tool

I used model builder to build a model which can calculate the XY coordinates and it's perfect! However, when I export it to VBscript and run it in VBA it crashes.... The error happens at ...
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2answers
42 views

Is there a way to export coodinates from a feature class which has no X/Y column?

I have shape feature class of a province in France. The Geometry type is polygon. The feature class has columns which describe elevation, landuse, slope and so on. But it does not contain X and Y ...
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2answers
42 views

Extracting/Exporting coordinates from polygons (shape) to text?

Is there any well working way to extract the X and Y coordinates of a polygon from shapefile to some sort of text (preferably csv)? The whole process should be somehow done automated through a ...
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1answer
51 views

header row in excel is not header row when imported into ArcMap

I am importing an Excel table with X/Y coordinates to plot on a map (point data). The original Excel table has a header row as its top row..The row is 'frozen' in Excel. When I import the table and ...
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1answer
32 views

Aggregate table with dates and average geographic coordinates

When SOG is 0 Stops gets 1. When the next SOG is 0 then Stops gets 2 and like this consecutively. Now I want to group all the rows where SOG != 0. The trick is that I should have the following ...
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1answer
39 views

What is proper succession of coordinates while specifying TopLeftCorner in TileMatrix in WMTS?

While exploring various WMTS services, I've observed that sometimes x, y pair displayed in TopLeftCorner tag of TileMatrix tags defined in TileMatrixSet have succession changed to y, x. There are at ...
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1answer
43 views

Find lat/lng weighted midpoint from a list of points

Hello I would like some help on a specific task, I am a truck driver and I have an historical list of cities, lat/lng, count where count is the number of times that I've made a delivery in that ...
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1answer
115 views

Problem with Converting XY Coordinates to LatLon

Here is the function that I use to convert from pixel x,y to lat,lon coordinate: public static Coordinate imageToWorld(Dataset gds, int x, int y) { double[] adfGeoTransform = new ...
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1answer
986 views

How to calculate Distance, Azimuth and Dip from two XYZ coordinates

I have two XYZ coordinates and I would like to calculate the Distance, Azimuth and Dip between them. I have come across a similar question on this site that calculates it the other way around (with ...
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1answer
59 views

Creating a line from lots of easting/northing co-ordinates

I have hundreds of easting northing points which I need to join as a single line to show a route. How do I import them and get QGIS to automatically turn them into a line?
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1answer
142 views

Get Coordinates of Voronoi Polygon Vertices [duplicate]

Is there any chance to get the exact coordinatas of the voronoi polygons? I am using Qgis software and I have the "center" (redpoint) of the polygons and I would like to export the polygons corners ...
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1answer
199 views

Rotating the coordinates of a layer by 90 degrees

I have got a dwg file with the plans for a building, with rooms and everything. (There's been some samples taken inside the building which I want to display.) Now, since it's of a building, the person ...
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1answer
190 views

converting coordinates from unusual DMS format to decimal

So I've been shared a dataset with what to me is an unusual format for degree min second data. In their own words: The coordinates provided are longitude and latitude in degrees minutes and ...
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1answer
135 views

Is it possible to link a QGis project with an excel file?

I have an Excel file with coordinates and I have used this file to plot the coordinates in QGis. I was wondering if it was possible to permanently link the excel file to the QGis project, so that when ...
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2answers
295 views

Given a flight path given in latitudes and longitudes, how do I find another flight path that is parallel to the path given?

Given a flight route that is given in latitudes and longitudes, how do I find another route that is "parallel" to the route given (find a perpendicular line to each waypoint given)? I think the best ...
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1answer
113 views

OS Boundary Line shp export CSV with description and lat/lng

I have found several post saying it is possible in QGIS to export OS Boundary Line shp files to csv's containing the boundary line in lat/lng (for use on Google map) along with the name of the area, ...
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1answer
115 views

Get XY value from TiledMapService Layer Tile

I have an ESRI TiledMapService layer and I have attached an event handler to the TileLoaded. Given the level, row, and column, how can I get the envelop of the tile in map coordinates? I'm using the ...
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1answer
36 views

Capturing GPS coordinates on the ground in Boliva?

Assuming no cellular or internet connection, what is the best way to capture GPS coordinates on the ground in Boliva? Preferably a free approach. For example, are their any android apps that can do ...
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1answer
1k views

Trasformation from ECEF to ENU

I am trying to transform a local vector rECEF from ECEF coordinate system to ENU coordinate system (rENU) where ECEF = earth-centered earth-fixed coordinate system ENU = East, North, Up coordinates, ...
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2answers
75 views

Create Geographic Reference for X,Y Coordinates [closed]

I have a set of x,y data that do not have any sort of geographic reference. I have lat/longs (WGS 84) for a small set of those points. How can I calculate lat/long for the remaining points so I can ...
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2answers
155 views

Saving a gml layer does not change coordinates

I am trying to export a gml layer to geojson with lat/lng as the preferred coordinate system. So what I did was a 'save as' on the layer with selected CRS: 'IGNF: WGS84G'. Now I was hoping it ...
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1answer
105 views

How to calculate weighted mean coordinates with negative weights in QGIS?

Hi, I'm pretty new to prof. GIS, but have OSM experience. So if I just miss something obvious, please don't punish me :) I have a .CSV file with measurements of wifis along a track. I like to guess ...
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1answer
162 views

Google Earth tour LookAt not looking at same place as Placemark with same coordinates [closed]

I have tried to create a tour from a csv file. I want the tour to look at each Placemark in turn but the view is of a different set of locations when run in Google Earth. The Placemarks are plotting ...
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2answers
205 views

Automatically create polygons from top right and bottom left coordinates?

I have a CSV file with hundreds of records. Each record contains 2 matching coordinates, 1) top right corner of a rectangle, 2) bottom left corner of a rectangle. Polygon ID, Lat 1, Lat 2, ...
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2answers
111 views

Coordinates system in degrees in plugins for QGIS

After adding a vector layer of coordinates of settlements of a part of the world INTO QGIS 1.8, I wish to add a topographic or other nice looking, colored map. Trying plugins like maps from Google ...
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3answers
1k views

Generate random location within specified distance of a given point

In a simulation (not using any GIS), I need to generate a random location that is within a specified distance of a given location. I found a very helpful post here on this exact topic: How to ...
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1answer
72 views

Conversion of coordinates of “Bochum coordinate system”

I need to convert historic coordinate data into more recent Gauß-Krueger data. Specifically, I need to convert "Bochum coordinates" used till 1960 in the local coal mines into DHDN/Gauß-Krüger zone 2 ...
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1answer
483 views

Adding Basemap and changing projection - still not aligned

I am using the basemap in ArcMap10 to create a shapefile of hand digitised polygons based on building outlines. However, when I change the basemap projection to Brit Nat Grid, it does not line up ...