Questions tagged [wgs84]

WGS 84 (that spelling) is the name of an ellipsoid (EPSG::7030), the name of a geodetic coordinate reference system (EPSG::4326), and the alias of a datum (EPSG::6326), official name World Geodetic System 1984. WGS84 (no space) is the alias of the ellipsoid (EPSG::7030). WGS 84 is most commonly used to describe the coordinate reference system.

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Grids displaying relative instead of global coordinates in QGIS

I have a set of three zoomed-in maps I need to plot grids for. They need to be in degrees, minutes, seconds and relative to the global standard. The grids I was able to plot all show relative ...
Barbara Perez de Araújo's user avatar
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Transform TEME TLE derived positions of a GPS satellite to the WGS84 coordinate system for comparison

I am trying to compare TLE derived x,y,z positions of a GPS satellite with those derived from precise GPS ephemerides (NGA). However, I am having some trouble getting the coordinate systems and ...
Magic_Conch_Code's user avatar
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What is the importance of altitude in coordinates (WGS84)

I have these parameter in my system. <AirportReferencePoint>N27584300 E034233600 43.586400</AirportReferencePoint> What is the use of the altitude 43.586400 in these parameters?
mahmoud youssef's user avatar
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Importing WGS84 points into project CRS OSGB36 broken, showing black screen

I am relatively new to all things GIS. I am trying to import CSV points collected in WGS84 format eg. LAT 55.93887932 LONG -4.50803484, into a project with CRS set to OSGB36 (EPSG: 27700). This is ...
user228735's user avatar
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Projection issues Landsat 5 in QGIS

I'm using an image of Landsat 5 in QGIS and even though I fix the projection to WGS84 EPS: 4326 using Raster tool Warp. The projection is out of focus. I normally work with Landsat 8 and never had ...
Ray's user avatar
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ArcGIS Pro - Voxel layer doesn't show even though all coordinate systems match

I created a NetCDF file and then added it as a multidimensional voxel layer to ArcGIS Pro. I then got this warning: Voxel layer can only be drawn in local scenes with the same coordinate system as ...
Horse's user avatar
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Converting DXF format using Beijing 1954 datum to WGS84 [closed]

I have a file in DXF format. I am trying to convert this format to shapefile, but CRS does not match. The information I have is that the Coordination System is in DXF format and has UTM-based ...
Teddy Sosan Yun's user avatar
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Convert WGS84 to Local Point

I have WGS84 points and I should convert to local coordinates (x, y, z) and plot in ThreeJs. I referred the below article and created a converted (refer code below) Article: Calculate distance, ...
Premkumar Jayaseelan's user avatar
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WGS_1984_UTM_Zone_15N vs NAD_1983_UTM_Zone_15N

I recently ran into an issue where my client's project data was presenting correctly in ArcGIS Pro (abutted correctly, correct location relation to aerial), but was shifting several feet when I opened ...
Taylor Roberts's user avatar
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Convert centroid data to lat/long coordinates

I have a geoJSON file from Alameda County, California, that says it is based on "crs": { "type": "name", "properties": { "name": "urn:ogc:def:crs:...
Zachary Russell Heineman's user avatar
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EGM96 5' geoid model .tif file

Where can I find a .tif file of the EGM96 geoid height above the WGS84 ellipsoid with 5' resolution ? I am working on converting vertical datum on different kind of files from WGS84 to EGM96 and surch ...
tukanium's user avatar
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WGS 84 terrain import to SketchUp

I am trying to create a 3D terrain map in Sketchup, based on a DEM file from the UK LIDAR series. I can add the DEM to QGIS as a raster layer and then use DEMto3D to produce a mesh in .stl format ...
Chris's user avatar
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QGIS rendering weird line segment offset for geographic coordinates

I'm seeing a weird line segment offset in QGIS when comparing a single line segment specified with geographic coordinates (EPSG:4326) to the same line using UTM coordinates (EPSG:32734). I start off ...
SeanMcLeod's user avatar
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QChainage only creates points using None/Planimetric measurement

I am using the QChainage plugin to make points every 1 nautical mile on a line set to CRS of EPSG 4326. My project measurements were set to Ellipsoid - WGS 84 (EPSG: 7030) in order to match Google ...
Margaret's user avatar
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Get height above ellipsoid (HAE) of the surface of the Earth given a lat,lon coordinate?

I am looking for a way to compute the approximate HAE (height above ellipsoid of WGS84) of a point at the surface of the Earth at a specific latitude and longitude. Is there a simple way to get this ...
Lelouch's user avatar
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Where do I find the grid file "Und_min1x1_egm2008_isw=82_WGS84_TideFree.gz"?

I want to download the file Und_min1x1_egm2008_isw=82_WGS84_TideFree.gz. I went to https://earth-info.nga.mil/index.php?dir=wgs84&action=wgs84 and downloaded under Data/Apps -> EGM2008, this ...
sehan2's user avatar
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How to convert wgs84 from ellipsoidal height to mean sea level i.e. height above goid, with pyproj?

I want to convert wgs84 coordinates with ellipsoidal height to wgs84 coordinates with height above goid. Therefore I have set up a new conda environment and installed pyproj, proj_data, see conda list ...
sehan2's user avatar
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Custom projection clipping GeoTiff layer

When trying to define a custom orthographic projection, the TIF source gets clipped. I have seen this behaviour before, and I am not quite sure what is happening, nor how to fix it. Version: QGIS 3....
Olive Rater's user avatar
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QGIS input coordinate precision

I imported a point geometry layer into QGIS using a delimited text file (CSV) that contained the latitude and longitude values projected in CRS WGS84-EPSG:4326 with 6 decimal places (e.g. 38.145695). ...
guls's user avatar
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Finding the correct UTM zone for set of coordinate in R

I have a set of points (coordinates) which is in WGS84 UTM but I don't know the zone to convert it to Lat/Lng to be able to put it on the map ! I was wondering if there is a way of extracting the zone ...
Haribo's user avatar
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CS2CS NAD27 / Louisiana South to WGS84

My current projection software when using NAD27 / Louisiana South (epsg:26782) Datum the software "adds" the transform NAD 27 to WGS84 (81) (epsg:15853). I haven't been able to figure out ...
jasmine_evil's user avatar
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Incorrect WGS84 to UTM conversion in GeoPandas to_crs and estimate_utm_crs

Does anyone ever encounter this weird inconsistency in GeoPandas to_crs and estimate_utm_crs: import utm import numpy as np import geopandas as gpd from shapely.geometry import Point for lon in range(...
Edward Chen 's user avatar
3 votes
1 answer
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Interactive calculation of object area depending on its location in the UTM zone using QGIS

I want to interactively calculate the area of a geometric object and use different projections depending on its location. Source data is stored in WGS 84. The area should be calculated in the WGS 84 ...
Comrade Che's user avatar
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3 votes
3 answers
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Coordinate system to be used with qgis2web (QGIS to Leaflet)

For my project in University I want to create an interactive map. My Prof told me, Leaflet only uses WGS84, but he wasn't sure. When using the qgis2web plugin, should I have WGS84 as project ...
Chewcata's user avatar
4 votes
3 answers
567 views

Difference between converting a projection into WGS84 first before converting it to a intended coordinate system vs. converting projection directly

I have an assignment that required us to convert projection using two different method. First method, convert directly from current coordinate system (Kertau_RSO_Malaya_Meters) into GDM 2000 Johor. ...
Gaby John's user avatar
1 vote
1 answer
789 views

Lat/lon after moving x meters to a specified direction

I have recently been working with coordinate systems in Python with pyproj package. I'm facing the following problem: I know my current position from a GPS receiver as EPSG:4326 latitude/longitude ...
Zni's user avatar
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2 votes
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Convert image from EPSG:4326 to EPSG:3857

I'm new to GDAL and map projections, I need to convert equirectangular (EPSG:4326?) projection to "pseudo Mercator" (EPSG:3857?) projection used by 90% web-based maps (which is simple this 0/...
Martin's user avatar
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Convert EPSG and vertical datum of a DEM file

I have DEM files that are in EPSG:4326 - WGS 84 and use latitude and longitude for coordinates. The elevation units are in meter but use the WGS84 ellipsoid with WGS84 elevation. I want to convert ...
ParcoMolo's user avatar
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179 views

How is the XY error (m) for GCPs/checkpoints in Agisoft Metashape calculated?

I have a project in Metashape where I am using 8 GCPs and 1 checkpoint. The selected coordinate when importing GCP survey is WGS84 (EPSG::4326). My school advisor, who is a GIS expert, but has limited ...
Jose Luis Landivar S's user avatar
1 vote
2 answers
138 views

Slope calculation with datasets in different CRS

I have a shapefile containing several zones. This file is in CRS EPSG:32644 (WGS 84 / UTM zone 44N). I have a DEM file (originally in CRS EPSG:4326 - WGS 84) that I converted to EGM08. The elevation ...
ParcoMolo's user avatar
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0 answers
58 views

Setting negative DEM values for the sea and water bodies to zero

I've downloaded a few of the Cartosat-1 CartoDEM Version-3 R1 files from BHUVAN (https://bhuvan-app3.nrsc.gov.in/data/download/index.php). The files seem to be in the WGS84 format and have values of -...
ParcoMolo's user avatar
1 vote
1 answer
198 views

Find local plane basis at a location using WGS84

I have orientation data from a drone given as a quaternion with respect to the local reference system (Z is up, X is local east, Y is local north) which is the local tangent plane. I want to express ...
GuillemB's user avatar
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233 views

How to transform from a set of ECEF coordinates to azimuth and elevation?

I have a set of ECEF (X,Y,Z) values for the receiver and a satellite. I would like to compute the elevation and azimuth angles according to WGS84 shape of the Earth. When we have a WGS84 ellipsoid ...
Alperen Duru's user avatar
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0 answers
115 views

Error in WGS84 to Mercator coordinate transformation

I'm trying to convert the (lat,lon) of WGS84 into Mercator (x,y). Below I've listed all the relevant information given in the file. Datum="WGS84" Ellipsoid="WGS84" ...
Pixel_Bear's user avatar
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2 answers
1k views

Is EGM2008 different to WGS84 ellipsoid?

I have a DEM dataset which describes the vertical reference used as "height above the WGS84 ellipsoid". As I understand it this assumes vertical values to have MSL as a reference and NOT ...
Brief's user avatar
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2 votes
1 answer
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Publish UTM from geoserver using mssql geometry

I have my world lat, lon coordinates insert in an ms sql geometry column like this: geometry::Point(56.120417, 10.159337, 0); I have an ms sql store in geoserver and a layer that exposes these ...
noontz's user avatar
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1 answer
583 views

Difference between WGS84 datum and WGS84 UTM 15N [closed]

I have two digital elevation models. One’s datum is in WGS84, and the other datum is WGS84 UTM 15N. I am using both for geologic mapping. What’s the difference between the two datum? Is it okay for ...
Programmer888's user avatar
1 vote
1 answer
234 views

Converting elevation between NAD27 and NAD83

I am working with a large dataset which has datum in NAD27 and NAD83. I needed to convert the northing and easting coordinates with the NAD27 datum to NAD83 datum using Geopandas, which I was able to ...
JSEnvEngr's user avatar
1 vote
0 answers
145 views

Transform latitude and longitude to Transverse Mercator

I would like to transform point in WGS84 lat lon to Transverse Mercator: +proj=tmerc +lat_0=0 +lon_0=114 +k=1 +x_0=-49099.65399999998 +y_0=-2544749.4072 +ellps=WGS84 +units=m +no_defs I could easily ...
Ethan's user avatar
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DGPS data and concerns about WGS84 accuracy

I am using a DGPS unit to collect data points at an average accuracy of about 30 cm using QField. My data layers are in WGS84, which, I believe has a much more limited accuracy (QGIS tells me about ± ...
David's user avatar
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389 views

How to convert EPSG:4326 point to X,Y tile coordinates

I'm trying to convert my geometry points in SRID 4326 I have stored in my DB to obtain tile coordinates (X,Y) for a given zoom level. I've been doing it in my node server like this: function long2tile(...
code-gijoe's user avatar
2 votes
1 answer
207 views

How to convert DEM with vertical DATUM DHHN2016 height EPSG:7837 to EGM96 height - EPSG:5773?

There is a lidar data source of digital elevation model of Germany. The spec of the lidar data is: Horizontal CRS: EPSG 25832 Vertical DATUM: EPSG 7837 I have anther DEM whose vertical datum is ...
Lion Lai's user avatar
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2 votes
1 answer
517 views

Coordinates showing up in wrong part of background map despite CRS matching

I cannot get my coordinates to match up correctly on the background layer. At first, I couldn't even get the QMS Google Satellite (CRS: WGS 84) to show up when combined with my data layer (same CRS). ...
Lily Maddox's user avatar
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411 views

Set Mapbox projection to be compatible with EPSG:27700

I have 5m rasters that I am adding as layers to mapbox. The rasters themselves are projected in EPSG:27700 (OSGB36), whereas mapbox is projected in WGS84. Because of this I am getting certain ...
sobmortin's user avatar
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462 views

Change map projection in Leaflet

I'm using leaflet in my current project. As a map sourse Leaflet consumes json-file with coordinates in WGS84 EPSG 4326. <l-map ref="myMap" :zoom="zoom" :...
links's user avatar
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1 vote
1 answer
446 views

Can't get to plot a set of squares of defined length inside a circle plotted in EPSG 4326 using GeoPandas

I have been trying to plot a part of Quebec using WGS84 (EPSG:4326) degree coordinates. I wanted to draw a circle within the map (e.g., 10 km) using the same coordinates and then subdivide the circle ...
ramanunni.pm's user avatar
1 vote
1 answer
378 views

Transforming EPSG:4979 to given WKT (~EPSG:6654)

I am setting up a GIS to transform points defined in lon/lat/z (referenced to WGS84, or in EPSG:4979) to an input .laz/.las file coordinate system. I've handled reading the wkt from laz/las files with ...
kae's user avatar
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0 votes
1 answer
1k views

WGS84 Coordinate System using metres to specify latitude and longitude

Is there a name for a CRS that uses WGS 84, but the coordinates for lat/long are in metres rather than degrees?
Mark Bentley's user avatar
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0 answers
148 views

Transform Lambert 2008 to GPS (EPSG:4326) in javascript

I'm a basic programmer and would like to transform Lambert 2008 coördinates (EPSG:3812) to GPS (EPSG:4326 or WGS84). I prefer having a formula to do this, because then I can implement it in JavaScript....
gunniemar's user avatar
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0 answers
289 views

UTM32 vs. WGS84

I am conducting an GIS analysis for areas for Germany. While the OSM map, which I really like to use (copyright issuses etc.) is in WGS-84, all the data from offical map services in Germany come in ...
BAE_23's user avatar
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