The Universal Transverse Mercator (UTM) geographic coordinate system uses a 2-dimensional Cartesian coordinate system to give locations on the surface of the Earth.

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28
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1answer
3k views

Coordinate system for calculating areas of polygons accurately?

I have multiple polygons, all located offshore around the UK. I am trying to calculate the areas of these polygons in square kilometres, without splitting them by UTM zone. Is it possible to do this ...
21
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2answers
21k views

How to reproject a vector layer in QGIS?

I have some shape file which is in UTM. I wanted them to convert to Decimal Degrees in QGIS.
20
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2answers
4k views

Calculate distortion outside a UTM zone

One of my colleagues is working with data that is spread across two UTM zone. The majority of the data is in one zone, with a few outliers in another zone. He would like to know what the area ...
11
votes
10answers
11k views

Batch convert lat longs to UTM?

I've got a .csv file that contains a long list of latitude and longitude points. Is there an efficient way to batch convert the list into a projected UTM coordinate system? Thanks.
6
votes
3answers
4k views

Source for UTM Zone File

I'm looking for a complete, freely available file showing UTM Grid zones. Preferably not a simplified version, but one that shows the full grid zones and all 'exceptions' (e.g. in Northern Europe) - ...
6
votes
1answer
2k views

Determine the UTM zone/hemisphere in a particular datum

I'm using GDAL to convert coordinates from one system (geographic or projected) to another. Assume I want to convert geographic coordinates (latitude and longitude) in the WGS84 datum, to UTM ...
6
votes
1answer
278 views

Displaying data from two UTM zones on one map?

With at least some USGS quad maps, maps that overlap into adjacent UTM zones continue to use the same false easting (rather than start at zero in the middle of the map). Is this a required standard ...
6
votes
1answer
991 views

pyproj, proj4 doesn't return same coordinates after inverse conversion

I'm trying to interpolate between coordinates, as a step in that process I convert latlong to UTM so I can work in metric. I don't get the expected latlong when converting back, reproduced below: &...
6
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1answer
192 views

How to work with UTM and multiple zones

I'm totally a newbie with geo tools. I'm using Sharpmap as I'm working with C#. I have a map where I can put an item on a UTM Location with E,N Zone and number. So the item appears on the desired ...
5
votes
2answers
3k views

Best formula for calculating short distances in UTM?

I'm fairly new at calculating distances with precision, but I wanted to know what is the best formula for calculating short distances in UTM coordinates. The distances that I'am calculating are all ...
5
votes
2answers
95 views

Transform local polar coordinates to UTM

I have some field points disposed like the diagram below: In this diagram, I know: 1) Point A UTM coordinates 2) Distance between A and B 3) Distance between B and C 4) AB azimuth 5) BC ...
5
votes
3answers
115 views

Are perpendicular lines still perpendicular after converting from UTM zone 15 to 16 (or between two neighboring zones)?

I want to convert a square polygon that is close to the edge of UTM zones 15N and 16N. The polygon's coordinates are in UTM 16N, but it is spatially positioned in the UTM15 area. My question is that ...
5
votes
3answers
965 views

PostGis: Geometry from UTM text

I have plain data in a postgresql table which looks like this: ╔════╦═══════╦═════════════╦══════════════╦══════════╦═════════════════╗ ║ id ║ index ║ easting ║ northing ║ utm_zone ║ ...
5
votes
2answers
1k views

how to convert UTM northing and longitude to latitude

I am doing some work with the Military Grid Reference System (MGRS), which is based on Universal Transverse Mercator (UTM). I find that I need to convert from UTM northing and longitude (actually, ...
5
votes
1answer
747 views

Convert Lat/Long to UTM specifying which zone to use (Java)

I have a set of coordinates in decimal degrees spread across two UTM zones in my Java application that I want to export to use in Petrel, so they need to be in the same UTM zone. Is there a java ...
4
votes
2answers
58 views

Understanding UTM coordinate syntax in Zambia?

I have some geo data from a collaborator with coordinates that look like this: Grid UTM X UTM Y 30C10 696033 8967310 25C05 690997 8962938 25C05 690688 8962268 sometimes lower case (...
4
votes
1answer
657 views

How to convert WGS84 to UTM when the study area covers 4 UTM Zones: 43- 46?

I'm working in ARCGIS 10.2, my area of interest falls in 4 UTM zones 43,44,45,46 equally distributed so i can't use the option of majority of area's UTM zone. Since i need to carryout varies analysis ...
4
votes
2answers
6k views

Meridian convergence. True north, magnetic north and grid north

I'm having difficulty wrapping my mind around meridian convergence, the horizontal angular distance between true north and grid north. Say I want to determine if a feature lies to the east or west ...
4
votes
1answer
1k views

Matching ArcGIS and QGIS coordinate systems

I have the following info for a feature class in ArcGIS that is supposed to be in WGS 1984/UTM 16N projected coordinate system: Projection: Transverse_Mercator False_Easting: 500000.000000 ...
4
votes
3answers
4k views

How to generate a shapefile containing an UTM grid (graticule)?

I'm looking for a shapefile containing an 1000m or 2000m UTM grid ("graticule"). All I was about to find on the web is a 10000m UTM grid (here: http://en.giswiki.net/wiki/UTM) and I am aware that a ...
4
votes
1answer
148 views

Angular distance between Grid and True North given Lat/Long

As part of a project that uses UTM coordinates I am trying to find a formula to compute the angle (with sign) between the grid north and the true north. I understand this is called meridian ...
4
votes
1answer
260 views

Workflow for generation of contours with LiDAR data and OCAD

I am updating our maps for an orienteering club in Illinois. I was very excited to find out that we have access to .las lidar data in 2000x2000ft files. I checked out OCAD11 and it can handle .las ...
4
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0answers
65 views

How to choose the EPSG projection?

Up until now for reprojection of my WGS84 vector (.shp) and raster files (.tif), I have been using EPSG projections based on vector/raster central point's UTM zone. But what happens if the envelope-...
3
votes
3answers
1k views

Which UTM zone to use for a large country?

I want to reproject OpenStreetMap roads data from the current projection (WGS 84) to UTM, since I read in another GIS.SE discussion (How to get $length in meters in QGIS?) that WGS 84 cannot be used ...
3
votes
2answers
329 views

Can't find correct coordinate system: UTM83 Zone 15 forcing input in meters; need it to be read in feet

Forgive me, I'm a CAD person, and am very new to GIS. I've searched google and this site extensively for an answer, with no luck. My problem is that I was given a large number of sistered Raster ...
3
votes
2answers
935 views

Negative UTM easting

I am trying to do the following calculation: Given lat,lon of a point (center of a rectangular (in UTM) domain), I find its UTM coordinates. Given domain width and length, I find coordinate of its 4 ...
3
votes
1answer
310 views

Displaying UTM basemap and blocks

Im using arcmaps 10.1 and i have to imput pen points off a buch of old maps into arcmaps i have everything in order in arc maps but need help displaying the utm zones, basemaps, blocks, possibly sub-...
3
votes
1answer
587 views

How do I get the x- and y-coordinate values of points in UTM using QGIS?

To get to know the size of the study area and how far objects are separated, I need to know x- and y-coordinate values. Although the $x and $y of Field Calculator returned latitudes and longitudes, x-...
3
votes
1answer
84 views

Changing Dataframe Projection of .MXD to UTM Zone matching each polygon in ArcPy cursor?

I have a polygon shapefile. I used ArcPy scripts to: add a new field to the shapefile use Calculate UTM Zones on each polygon. It spits out UTM projection information into the field I've added. ...
3
votes
1answer
103 views

Export DXF Issue in QGIS?

I got the shapefiles in QGIS and transformed them to UTM NAD83 from WGS84, then tried to create a DXF of it so I could use it as an overlay in fieldgenius software for a topographic survey we're ...
3
votes
1answer
494 views

How to reproject data in multiple UTM zones? (DRCongo, Rwanda and Uganda)

I am working in the area near to Virunga National Park, in DRCongo, Uganda and Rwanda. I have established my working area in the zone 35 south. However, I also have to work with data from Uganda and ...
3
votes
2answers
617 views

Using UTM in leaflet efficiently?

Our server is using UTM internally. We then send a large number of UTM Coordinates to display them in a custom made leaflet layer. First we transform (unproject) them into "normal" geographical ...
3
votes
3answers
5k views

How to convert from EPSG:4326 to WGS84/UTM 32U?

I am unable to convert from the project's coordinate system to a different one using QGis 1.8.0. I have a .shp file with a certain coordinate system information (WGS84 EPSG:4326 according to qgis). I ...
3
votes
2answers
642 views

How to detect MGRS/UTM zone?

I posted a similar question on StackOverflow, but I thought I'd check here as well. I am developing an open-source library for converting between coordinate systems, and I've run into a wall. I want ...
3
votes
1answer
33 views

Conversion from WGS84 to UTM NAD83

If all my data is in UTM NAD83 Zone 10 and I get new data in GCS WGS 1984 do I have to reproject the WGS data to UTM NAD83 Zone 10 for it to align correctly or can I just bring it into an mxd that is ...
3
votes
0answers
108 views

How do I handle heading in UTM coordinates?

In a nutshell: Given a standard (angular) GPS measurement and heading, relative geographic north. If i take my GPS coordinates and turn them into UTM coordinates, do I also have to convert my heading? ...
3
votes
1answer
273 views

Combining UTM zones into one solid map

I have an area, example 4000m x 4000m. So, 4x4km. The origin can be placed anywhere, maybe in center, maybe on the top-left, nevermind. Now, I want to fill this area with some stuff from OSM. I read ...
3
votes
0answers
152 views

Converting LIDAR based measurement to UTM coordinate?

I have lidar based measurement with azimuth elevation and range, I would like to convert this data to UTM coordinate. I know the position of the lidar in UTM coordinate system, so I developed the ...
2
votes
5answers
3k views

Convert geographic coordinates to UTM zone 29N with Javascript

I have an issue converting lat longs to UTM with the ArcGIS javscript API. Lets say that I have a map, based on the UTM zone 29N, also known as WKID 32629. I have a known set of coordinates from a ...
2
votes
1answer
169 views

UTM Coordinate Mapping Across Zones

I am building an application that requires me to plot UTM coordinates on a chart using CSV data. I am given two UTM coordinates for each record, although I would like the application to handle zone ...
2
votes
3answers
3k views

Transform from WGS84 to EPSG 3785 (google maps)

I am a Java Developer and I was given this coordinates from a database verbat_sistema_coordenadas verbatim_SRS datum verbat_longitud verbat_latitud UTM WGS84 ...
2
votes
2answers
142 views

projection conversion from local to UTM

I have some images at a local coordinate system with the following specifications: TIFF header file: -gdalinfo im.tif Driver: GTiff/GeoTIFF Coordinate System is: PROJCS["Eastern Ridge Project Grid ...
2
votes
1answer
129 views

How to modify or create a wider UTM zone?

am working on a project to do country-wide mapping using projected coordinate system such UTM. However, the country (Zambia) is covered by three UTM zones, namely zone 34,35 and 36.I have read ...
2
votes
4answers
352 views

Get “approximate” lat/long coordinate for UTM grid zone

I have data assigned with a UTM grid zone designators, such as 10S for example. Now I need an approximate latitude/longitude pair, preferably the center point of the given grid zone. Can you give me ...
2
votes
2answers
54 views

Projections for a region spanning multiple UTM zones

I have a problem which is sort of similar to the one here: Dealing with data that spreads across UTM Zones? Essentially I am looking for a projection for this region: https://www.openstreetmap.org/...
2
votes
1answer
65 views

Converting GeoTiff to UTM in QGIS is slow?

I am trying to convert a Geotiff from WGS84 to UTM17. In QGIS, there seems to be a super easy way to do this: First, I input my tiff by clicking add raster layer. This works successfully, as I can ...
2
votes
1answer
129 views

Kernel density estimation across multiple UTM zones

I'm trying to compare the spatial distribution between two groups of fishing locations (for each of several different years) in the Bering Sea (lat's ~53 to 65N, long's ~ -178 to -158W. My preliminary ...
2
votes
1answer
196 views

Shapefiles from Nationalgrid without a .prj file - what projection are they in?

Im working with these shapefiles: http://www2.nationalgrid.com/uk/services/land-and-development/planning-authority/shape-files/ They show pipelines & electricity grid of the UK. They do not ...
2
votes
1answer
1k views

Postgis | Problems Reprojecting a Point from UTM ED50 to GEOGRAPHIC ETRS89

I've got a POINTS PostGIS table in the 23030 (ED50 UTM 30N) SRID. I'm having a lot of problems trying to reproject those points from ED50 UTM coordinate system to ETRS89 Geographic (lat/long) ...
2
votes
1answer
340 views

How to convert WGS84 to UTM when the study area covers two zones: UTM 51N and 52N

I want to use ArcMap to convert the WGS84 to UTM. But the study area covers two zones: UTM 51N and 52N. Which zone should I choose to output the result?