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.
319
questions
0
votes
1answer
20 views
Reprojecting data from EPSG:3857 into Peru UTM Zone 17
I am trying to reproject EPSG:3857 Spherical Mercator OpenStreetMap Data to the local Peruvian UTM Zone 17.
How do I find out which transformation method is suitable for +-1m accuracy?
I have SAFE ...
0
votes
0answers
19 views
Method to determine of coordinates in GeoJSON feature are Lat/Lng or UTM?
Is there a @turf or any other helper method to quickly determine if coordinates in GeoJSON feature are Lat/Lng or UTM?
0
votes
0answers
25 views
Transforming CRS to UTM using Python
I am trying to transform CRS to UTM using a GeoJSON file.
This is what I tried:
from sentinelhub import CRS
country_crs = CRS.UTM_32N
country = country.to_crs(crs={'init':CRS.ogc_string(country_crs)})...
2
votes
0answers
31 views
Transform Gauss Krüger Zone 3 data into WGS 84 / UTM 33N in QGIS [duplicate]
I would like to transform this data:
https://opendata.dwd.de/climate_environment/CDC/grids_germany/halfyear/precipitation/ (it is Gauss Krüger Zone 3) into WGS 84 / UTM 33N in QGIS.
How do I do it? ...
0
votes
1answer
34 views
Shapefile is saved in EPSG:4326 despite being set to EPSG:32651 via geopandas
This is the code
def loadPoint():
df = pd.read_csv(r'C:\Users\imper\Documents\new_GISfiles\earthquakesPH\emscPhilippines2008to2020_lonLat.csv')
geometry = [Point(xy) for xy in zip(df....
1
vote
4answers
57 views
Converting Latitude and Longitude to multiple UTM zones
I have a data set of 3000 plots with coordinates in Lat/Long. It spans 13 UTM zones. I want to break it up into chunks corresponding with the 13 UTM zones, and convert the coordinates in each chunk to ...
0
votes
0answers
29 views
What would be a good way to test data in different projections have identical locations?
I have 2 sets of files for which I want to compare the coordinates of ~3000 plots
I have a 38 shapefiles of surveyed plots in different regions of Northern Canada. Some of them are projected in ...
0
votes
1answer
40 views
What is the order of parameter (lat/long) in python UTM package for conversion into x, y coordinate?
Currently, I am trying to convert (lat, long) into (x, y) coordinates in Python. There are some packages like pyproj or utm to do that. For example:
import utm
lat = 41.8836718276551
lon = 12....
0
votes
0answers
21 views
Universal Transverse Mercator in NetCDF
I have some precipitation and temperature data for Norway as NetCDF file and I want to clip this data to a catchment using an R-Script. The problem I am facing is that when I open the NetCDF in ArcGIS ...
1
vote
0answers
45 views
Is there a piecewise-UTM coordinate system?
Is there an EPSG code, WKT or a proj4 string, for a single global piecewise-UTM coordinate system such as MGRS (the NATO military grid reference system)?
I suppose this would work similar to the ...
0
votes
1answer
42 views
Using QGIS to convert from WGS to UTM not working
My predicament is this. I have inherited a bunch of data in multiple projections, and I need to calculate hub distance to get distance from one grid of points to a contour layer (I have extracted ...
0
votes
1answer
29 views
Basemap in EPSG 32651 doesn't align with point layer in same CRS (red) but aligns with point layer in EPSG 4326 (yellow). What gives?
I have tried running the CSVtoPoint script in 4326 and 32651 project CRS but the results are the same.
I can just use the point layer in 4326 but it is not a projection so it uses degrees instead of ...
2
votes
1answer
44 views
Difference of Assign projection, Reproject Layer, and Define layer projection in QGIS?
I have a point layer and a polygon layer that are all in UTM51N projection but do not align. Just want to know when should I use Assign, Reproject, or Define.
Experimented with a polygon in EPSG:4326 ...
0
votes
0answers
28 views
Google satellite from WGS84/Pseudo-Mercator to UTM
I’ve a project that I want to make it in my UTM zone, I converted all layers and it’s fine, the problem when I’m trying to convert google satellite to UTM zone, it took the project to another place in ...
2
votes
1answer
75 views
Map Graticule in UTM projections (openlayers)
I'd like to know if there is a way to display the Graticule labels on a different projection like UTM.
Visit this link and search for EPSG: "31982" (UTM 22s SIRGAS2000) projection to understand the ...
1
vote
1answer
325 views
Maximo Spatial: Convert UTM to lat/long with Python 2.7.0 (using only the standard Python library) [closed]
Maximo Spatial is a work order management system in which I can write scripts in Python 2.7.0.
I want to write a Python 2.7.0 script in Maximo that will convert UTM coordinates to latitude/longitude ...
1
vote
1answer
78 views
Layer disappears when changing from CRS in degrees to CRS in meters in QGIS
The problem
I have tens of thousands of small polygons for which I want to create buffer/doughnuts for, but I don’t get the units right. I want meters and not degrees, and changing to (what I think ...
2
votes
0answers
68 views
Import CSV of UTM points to QGIS [closed]
I am having an extremely difficult time importing my CSV file, with UTM points, to QGIS.
I am a very basic QGIS user, and the online information so far hasn't helped me figure out this problem.
...
1
vote
1answer
51 views
Custom PROJ CRS for shifted, rotated, and skewed axes?
It is possible to create a custom PROJ definition for a cartesian CRS with shifted, rotated, and skewed axes? For example:
Where The x-axis is formed by the line AC, the y-axis by the line AB, and ...
1
vote
0answers
52 views
Convert lat/lng to pixel in UTM image files [closed]
This is my first post on this site so please be gentle :)
I have a number of large image files that map locations around the world. These image files are in UTM projection and I am looking to write a ...
2
votes
1answer
196 views
EPSG 3857 vs UTM coordinate
I am trying to understand the difference between the two coordinates system. By so far I grasp that EPSG:3857 is used for a web-based map like Google Maps, OpenStreetMap.
I am getting a position (in ...
0
votes
0answers
24 views
How To parse one UTM location with a zone into another UTM location with another zone?
I'm working on an iOS app where the user can input 2 UTM locations, but the user is inputting 2 UTM locations with different UTM zones and I need to project one of them into another zone.
I tried to ...
3
votes
1answer
45 views
Seeking documentation about non-iterative UTM to Lat-Long projection formulas
In
Hager, John W., James F. Behensky, and Brad W. Drew. "The universal grids: Universal transverse mercator (utm) and universal polar stereographic (ups)." DMA technical manual 8358 (1989).
I ...
2
votes
0answers
26 views
Project point from one UTM zone to other
I am currently working on a project where we have to figure out the position of one point based on the known position of two (user-input) points.
Now the problem is that the users could provide two ...
3
votes
1answer
271 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
213 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 ...
2
votes
0answers
509 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
74 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
28 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
56 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 ...
3
votes
2answers
1k 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
vote
0answers
74 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
217 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
259 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 ...
1
vote
0answers
56 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
168 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
36 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
231 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
67 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
418 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
72 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
200 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
85 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
194 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
261 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 ...
-1
votes
1answer
52 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
268 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
31 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)...
1
vote
0answers
63 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) ...
