Questions tagged [utm]
The Universal Transverse Mercator (UTM) geographic coordinate system uses a 2-dimensional Cartesian coordinate system to give locations on the surface of the Earth.
297
questions
3
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1answer
136 views
QGIS 3.6.1 problems with CRS
After I have created a new QGIS project, the project CRS is set automatically to WGS84 (EPSG:4326 - WGS 84 - Geographic). The layer (.shp) which I loaded to the project has already a predefined CRS (...
0
votes
0answers
24 views
Error “Too many points failed to transform, unable to compute output bounds.” using gdal2tiles
I want to generate tiles from a GeoTIFF file using gdal2tiles.
gdal2tiles.py input.tif
when I try the above command I got the following error
Too many points (10201 out of 10201) failed to ...
1
vote
0answers
52 views
GeoPandas transform latitude/longitude coordinates to UTM coordinates
I have a shapefile which I read with GeoPandas, this shapefile has lat/long coordinates and I want to transform it to UTM coordinates.
I tried this:
shapefile = gpd.read_file('example.shp') #CRS = ...
2
votes
0answers
32 views
Why is Sentinel-1 using geographic coordinate system and Sentinel-2 projected one?
I was wondering if there's any particular reason for Sentinel-1 to be georeferenced to WGS '84 (a geographic coordinate system), while Sentinel-2 is using UTM (a projected coordinate system). I couldn'...
0
votes
0answers
22 views
Wrong northing value: standardizing with a correction by 10 000 000 meters
I'm trying to draw points on a map and I have a problem using the projections. I have no problem getting points from longlat to UTM. But it seems that there is a problem when specifying UTM zone 15M ...
1
vote
1answer
18 views
Incorrect false northing in pyproj?
I am using version Rel. 5.2.0, September 15th, 2018 on OSX but get the same answers on other platforms with other versions.
prompt> echo 3 0 | proj +proj=utm +zone=1 +ellips=wgs84
500000.00 ...
1
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2answers
151 views
Converting large data with lat and long into X and Y?
I have 9888562 records in dataframe and I would like to convert my lat, long to UTM x,y. according to my code, I have used pyproj package but because my data are too much it takes a long time and ...
1
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0answers
59 views
PostGIS: spatial analysis of point layer SRID 4326 using UTM grid
Edited, as suggested.
I've got a PostgreSQL/PostGIS table 'Datos'
ALTER TABLE datos ADD COLUMN geom GEOMETRY;
UPDATE datos SET geom = ST_MakePoint(decimallongitude,decimallatitude);
update datos ...
1
vote
1answer
64 views
Get UTM zone with GeoPandas from a shapefile
I want to know to which UTM zone belong a shapefile.
With GeoPandas I can read a shapefile and know its EPSG code:
import geopandas as gpd
dataframe = gpd.read_file('shapefile.shp')
print(dataframe....
1
vote
1answer
65 views
Convert decimal degrees to meters QGIS
I am working in QGIS 3.4.8-Madeira on MacOS 10.14. I simply want to create a buffer on a point shapefile, but the layer is not being read in UTM but in degrees. I understand this is a common question ...
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0answers
42 views
Wrong scalebar for a map of Scotland
I am working on a project that focuses on Scotland. When I use the print composer to add a scalebar the scale is wrong. It shows 50 km for a distance that is probably around 200 km. Following the ...
0
votes
2answers
49 views
ESRI Clarity vs Google Maps satellite images, distortion due to elevation?
I have a couple of satellite images, each about 1 km square, of the same rock climbing area. One is from ESRI Clarity, the other from Google Maps. The Clarity image is projected to UTM and has a UTM ...
1
vote
1answer
32 views
Count points from two tables in polygons with PostgreSQL/PostGIS
I've got
CREATE TABLE points1 (
point1id varchar PK,
geom1 geom,
date1 date);
CREATE TABLE points2 (
point2id varchar PK,
geom2 geom,
date2 date);
Both with indexes. I ...
0
votes
0answers
55 views
MySQL Query for Getting Records within Radius
Coordinates in the table are stored in 3 separate columns x, y and zone and are formatted in UTM.
Here is the idea: I get the current position of the user (in lat long but I can convert it to UTM if ...
2
votes
1answer
62 views
Why is a projection conversion off by factor of SQRT(2)?
I am attempting to draw a 3 km ring around downtown Minneapolis. Let downtown be defined as Government Plaza (-93.2661, 44.9765). I am using this ring to calculate census tracts within a distance of a ...
1
vote
1answer
134 views
Difference between UTM Zone 15N and UTM Zone 15T?
I'm working on a project where the deliverable is a spreadsheet of point locations and needs to include Eastings and Northings in UTM Zone 15T. I usually use EPSG:26915 NAD83 / UTM zone 15N in this ...
0
votes
0answers
19 views
Arbitrary Data Points to Known UTMs
I have a series of data points that are placed out along an arbitrary grid and I have the known UTM of the datum for this grid.
I'm sure there is a way to snap all the arbitrary points so they are ...
1
vote
0answers
55 views
Computing GPS points accuracy
I have stand alone GPS points and RTK points collected at the same time and I want to compute the accuracy (1 sigma) of the GPS points. Using the haversine formula, I computed the distance between the ...
0
votes
1answer
108 views
Exporting full UTM coordinates
I want to export my point layer as CSV with the point coordinates as "xy", QGIS does the job quite well. One problem arises though, and that is that the Easting UTM coordinate is lacking the first two ...
3
votes
1answer
44 views
Representing projected coordinates from several UTM zones into the same one
I have a database with coordinates in WGS84 (4326) that all of them belong to Italy. Italy is split in two more or less equal UTM zones, 32 and 33. I need to transform those geographic coordinates to ...
0
votes
1answer
88 views
Georeference an image by knowing two Lat/Long coordinates?
How can I georeference an unrotated image by knowing two Lat/Lng coordinates?
I tried to transform the coordinates to UTM, but this didn't work (for me), because I also need to rotate it and ...
2
votes
2answers
126 views
QGIS custom UTM CRS including zone number in coordinates?
Is it somehow possible in QGIS to define a custom CRS which is based on UTM but accepts Easting coordinates that include the zone number?
The point behind this is, that I've got DXF files that I ...
0
votes
1answer
38 views
Customizing Projected Coordinate System
My area of interest is between UTM zone 22 and 23. I'm struggling in create a custom projection, so:
Can I create a custom UTM projection, would be this the minimum distortion?
I did not understand ...
3
votes
1answer
174 views
Setting correct UTM zone
I am using QGIS for mapping a series of buildings, I got the UTM coordinates from Google Maps and imported them as a delimited text layer.
However when I search for the UTM Zone that I need it doesn'...
0
votes
0answers
25 views
Asking user to input signed integer for UTM zone: bad idea?
I need to ask my user some informations about the data he provided to my software, or the format in which he wants to export.
In particular I could have to ask which UTM zone (1 to 60, north or south)...
0
votes
0answers
81 views
UTM to latlong in R - with proj4
I have received a shapefile with measurement points to be analyzed, but no matter how I try, I can't find how to convert to lat lon. I suppose it would be good to know the projection but when I look ...
1
vote
0answers
43 views
Converting SRTM to UTM makes pixels non-square [duplicate]
I have a SRTM originally set to EPSG 4326. I need to convert it to UTM (EPSG 31983), in order to generate viewsheds.
The original version (EPSG 4326) has square pixels (0.000833333 x 0.000833333) ...
1
vote
1answer
74 views
Distance between coordinates computation speed: conversion to UTM vs Great Circle
For a program I am writing I need to calculate the distances between coordinates. Seeing as I need to perform a large number of these calculations for each coordinate (thousands) it makes sense to ...
0
votes
1answer
59 views
Why does transformation of coordinates to UTM fail with GDAL in R
I have a CSV-list of coordinates that I know are coordinates in Gauß-Krüger (Transverse Mercator) and I want to transform them to UTM in R with GDAL.
I read the csv in, separated the columns, added ...
0
votes
0answers
17 views
Alternate between Web Mercator and UTM basemap in ArcGIS Javascript 4.x Map
Is it possible to use the esri/widgets/BasemapToggle with basemaps in two different projections? I'm starting out with the vector-dark gray basemap and in the toggle I'm setting the next basemap to ...
1
vote
1answer
55 views
QGIS: Placing points relative to a specific coordinate
I have some delimited-text point data that is encoded as X,Y positions relative to a given coordinate. So, for example, 1 5 represents a point 1 meter east, five meters north of the origin coordinate. ...
1
vote
1answer
70 views
Converting SHP UTM to decimal lat/long
I am trying to compare a list of lat/long to a shapefile and see which points are in or out of the polygon. I have discovered my shapefile is seemingly giving points in a UTM format. Below are some of ...
-1
votes
1answer
38 views
Re-projecting map from GCS-WGS1984 to multiple UTM zone?
My study area i.e North Eastern Arabian Sea belongs UTM Q42 and Q43.
How can I re-project the maps from GCS-WGS1984 to UTM in ArcGIS Desktop 10.1?
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vote
0answers
26 views
Considerations for projecting enterprise database to a new coordinate system
I currently maintain an enterprise geodatabase where the data is projected in a state plane coordinate system. Recently the data has extended past state boundaries. The data units are in feet and ...
3
votes
1answer
433 views
Using project / layer CRS in QGIS?
I'm using QGIS 3.4.1, and I'm trying to print 61km x 61km area map of somewhere South Korea. Then I need to send this map with west / east latitude and north / south longitude info to other person, ...
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0answers
172 views
Choosing UTM to NED Conversion method?
I am having GPS and SFM (Structure for motion) trajectory in UTM coordinates. I wanted to convert the both trajectory to NED (North East Down).
Method 1
In First step: I converted the data from UTM -...
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vote
0answers
130 views
Precision Ag and UTM declination
I've written an open source Precision Agriculture application called AgOpenGPS that does everything from auto steer, to mapping, implement and section turn on/off, auto headland turns and more. It's ...
2
votes
2answers
414 views
Converting UTM coordinates to shapefile in QGIS
I have an excel sheet with UTM coordinates (Easting and Northing) for four points. I want to create a shapefile (rectangle) in QGIS, but am very new to the program and following all the guides I can't ...
2
votes
5answers
109 views
Use of linear referencing on a route that span over 3 different UTM zones
I have a long route (~2400 KM) that span 3 different UTM zones. (N - 37, 38, 39)
On this route there is a sign every 1 km-approximately (km marker), these signs help in determining the exact location ...
1
vote
1answer
129 views
Get UTM Zone from GeoTIFF (geotools java)
I've loaded a GeoTiff successfully in with geotools (21-SNAPSHOT), but I'm having trouble accessing the referenced UTM zone.
The code to read in the file is here:
File tiffFile = new File(filePath);
...
1
vote
0answers
320 views
Create an UTM/MGRS graticule/fishnet in Python
Following Creating square grid polygon shapefile with Python?, I'd like to create an UTM or MGRS graticule in python. In the mentioned question the given answer gives me a way to generate a grid but I ...
2
votes
2answers
425 views
Convert easting and northing to degrees north and west
I need to convert:
Easting 2451890.770
Northing 7438891.286
The location is in Dumfries, New Brunswick. I’m assuming it’s UTM from other search results I’ve seen. I have NO idea what to do
To ...
0
votes
1answer
287 views
Convert XY (SRID 4326) to UTM in spatialite returns NULL
How can I convert EPSG4326 point to UTM in spatialite?
SRID=4326;POINT(51.2506238 35.70442974)
Executing X(TRANSFORM(Geometry, 32639)) as X always returns NULL. What's the proper way of extracting ...
1
vote
2answers
114 views
Checking small distance calculation in UTM zone 31 ETRS89
I'm afraid I've a very basic question about interpreting UTM grid values:
Are the grid references in metres?
I have data from the Spanish catastral map labelled as UTM Zone 31 ETRS89, and want to ...
2
votes
1answer
48 views
Detect coordinate system from dataset
I've been provided with a dataset containing some coordinates, but I don't recognise the coordinate system used. They look like standard UTM coordinates but the values don't match up with what I ...
1
vote
1answer
142 views
What does it mean to reproject a satellite image from utm (zone 13N) to wgs84?
I'm trying to understand some legacy code that processes landsat satellite images. Source images are in UTM and they are reprojected to WGS84. I'm a GIS noob but I understand that WGS84 is a datum for ...
1
vote
0answers
81 views
Improving reprojection accuracy
Main question: how can I improve the accuracy of my reprojection?
I am combining my dataset to a previous one, and I have chosen a different CRS: the previous one is in WGS 84 (EPSG:4326) and mine is ...
0
votes
1answer
134 views
Range of easting value for each MGRS zone(UTM zone)
From MGRS grid reference which also can be found from https://www.maptools.com/tutorials/100km_square_id , the minimum column id for the first zone is 'A' and it's given when easting is smaller than ...
0
votes
0answers
122 views
How can I change projection of a co-ordinate?
I want to convert a known co-ordinate which is in UTM projection to transverse mercator projection. I know the central meridian, scale factor, false easting, false northing value. Can someone give me ...
0
votes
0answers
145 views
How to transfer UTM coordinates to Euclidean coordinate system?
I get the coordinates of objects in the UTM format:
"coordinates": [
[
4631430.35,
396976.54
],
[
...
