Epsg 4326 degrees to meters. This chapter builds on that knowledge and goes further. Epsg 4326 degrees to meters

 
 This chapter builds on that knowledge and goes furtherEpsg 4326 degrees to meters  Since the projection for this data is lat/long, the numbers are the same

Changing the projection of the map to EPSG:4326 and then saving the layer as CSV worked. Orientations: north, east. e. This is easily the most common use for the CRS class: import org. Any formal standard CRS is composed by ellipsoid parametrized model reference + datum reference. EPSG code 4326 that we have here, belongs to the WGS84 coordinate system (i. EPSG-number 4326 that we have here belongs to the WGS84 coordinate system (i. Set project CRS (EPSG:32642/WGS 1984 UTM 42N); Import the . R = 6378137 x = R * longitude y = R * ln(tan(pi/4 + latitude/2)) I'm unable to find corresponding functions for EPSG:3395, the so-called World Mercator projection. I would use geopandas for this, as it has a convenient . Now I have another shapefile(s) and I look at the shapefile. How do I make sure the distance is in meters or km. org and yours can't be found because the contents of the default crs-defs. So maybe this version does a bit better job for fitting and cropping the result to valid area of EPSG:3857 but not at all perfect. 1) Your query is correct but you coordinates are inverted. Proj("+init=EPSG:4326") epsg28992=pyproj. We have a requirement to calculate the surface area (i. I want to change the axis into decimal degrees. res. degrees. )When dealing with coordinates systems in Python with fiona and osgeo, there seem to be a lot of ways to define a coordinate system by importing/exporting different crs formats , for example:. EPSG 4326 is a geographic coordinate system and as such, has decimal degrees as units of length. Local coordinate systems. – Adriel Gomes Costa. 3. I tried to figure out how EPSG:4326 is defined and at. CRSIn your case, using SqlGeometry with WGS84 (4326), your units are degrees. Cadastre, engineering survey, topographic mapping. 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. EPSG:6933 has meters as unit epsg. What you can do (besides using geography type) is projecting your data into the "better" CRS than EPSG:4326 (i. Then I made a buffer, but I can't transform the buffer back to to degrees. Method: Geocentric translations (geog2D domain) Remarks: For many purposes NAD83(2011) can be considered to be coincident with WGS 84. latitude/longitude. What is the difference between WGS84 and EPSG 4326? It seems like for a given dataset it might be both WGS84 and EPSG:4326. As far as I understand I need to convert CRS to WGS 84. Truncated form of Pulkovo 1942 / 3-degree Gauss-Kruger zone 31 (code 2547). Introduced in 2000 as an alternative to CRS code 31300 to avoid the special projection method LCC (2SP Belgium) (code 9803). defs('EPSG:4326')). Also found with truncated false easting - see Beijing 1954 / 3-degree Gauss-Kruger CM 117E (code 2436). The definition switched to using the WGS84 ellipsoid (EPSG:4326), rather than the sphere. Look Converting EPSG:2284 to EPSG:4326 with pyproj (and many others. How it can be, if the range of these coordinates is. for my project I used ProjectedCoordinateSystem. It is thus the application of the abstract mathematics of coordinate systems and analytic geometry to geographic space. Datum. ). (1) Change the coord sys of the map window to the scheme that drives your updating. EPSG:2703 Projected coordinate system for Russian Federation - onshore between 31°30'E and 34°30'E. An authority string (i. Pixel size convert from degrees to meters of Martian DEM. from shapely. 989276315832508e-07 9. Cadastre, engineering survey, topographic mapping (large scale). The corner coordinates of the data are also given in projected and lat/long coordinates. Engineering survey, topographic mapping. You must reproject your data into EPSG:4326 for getting degrees in WGS84. I add the layer world map (EPSG:4326 – WGS 84 by default) by taping “world” in the coordinate box in the middle bottom, I also add Open street map (EPSG:3857 – WGS 84 / Pseudo-Mercator by default) from. However, this value decreases as you move toward the poles due to the Earth’s curvature. To convert a GeoDataFrame/GeoSeries you need to provide the. The WGS84 Coordinate Systems adds Greenwich as the starting point (prime meridian) for the longitude (0°) and sets the units in degrees (°). e. Pixel. Considering that the spatial data. For example EPSG:4326 is using degrees as units while EPSG:3857 is using meters. How it can be, if the range of these coordinates is. Change the CRS of the DEM layer. Replaced by Xian 1980 / 3-degree Gauss-Kruger CM 117E (code 2384). EPSG:2726 Projected coordinate system for Russian Federation - onshore between 100°30'E and 103°30'E. Generally, a data distributor can set up CRS parameters as he wants to. I would like to create 100 meters circle buffers in a UTM projection from a point table whose SRID is EPSG:4326 and keeping the id column. g. EPSG:4979 is also based on the WGS84 ellipsoid, and differs from EPSG:4326 only in that it uses a 3D coordinate system, whereas 4326 uses a 2D coordinate system. I have small points like these but they get enlarged as if I had set the projection to a lat/lon type. EPSG:20935 Projected coordinate system for Botswana - east of 24°E; Zambia - between 24°E and 30°E; Zimbabwe - west of 30°E . Share on T Q. I need to calculate the intersection area in square meters between first polygon data and second polygon data. Note: for preliminary concept visualisation only. g. 0174532925199433,ID["EPSG",9122]], Because the last one is not projected it does not have lengthunit. We are developing Geographical Information System for Korean company. it's safer to use the EPSG code or to be sure to have the full. EPSG:2526 Projected coordinate system for Belarus, Moldova, Russian Federation and Ukraine - onshore between 28°30'E and 31°30'E. (from the same source). EPSG:2414 Projected coordinate system for China - onshore between 112°30'E and 115°30'E. Also found with truncated false easting - see Beijing 1954 / 3-degree Gauss-Kruger CM 111E (code 2434). Truncated form of Beijing 1954 / 3-degree Gauss-Kruger zone 41 (code 2417). . EPSG:3332 Projected coordinate system for Bulgaria and Romania - between 22°30'E and 25°30'E. io/6933. I'm currently trying to figure out how vesselfinder. I add the layer world map (EPSG:4326 – WGS 84 by default) by taping “world” in the coordinate box in the middle bottom, I also add Open street map (EPSG:3857 – WGS 84 / Pseudo-Mercator by. from pyproj import Proj, transform inProj = Proj("+init=EPSG:2263",preserve_units=True) outProj =. coordinates are in decimal degrees: latitudes and longitudes). Setting projIn is harder, because your netCDF file defines its coordinate system with a WKT string, which (I'm pretty sure) can't be read directly by proj4 or pyproj. Replaced by Xian 1980 / 3-degree Gauss-Kruger zone 39 (code 2363). coordinates are in decimal degrees (lat, lon)). WGS84 (no space) is the alias of the ellipsoid (EPSG::7030). 5° longlat for comparison with climate data. 90793274. The JRC Monthly Water History dataset is an image that uses a single coordinate reference system (CRS) of EPSG:4326, and does not use the same CRS as Landsat images (which use a collection of UTM. Datum Parameters . Using the code “EPSG:404000” (a custom code defined by GeoTools):Set crs = {'init': 'epsg:4326'} since the geometry is in decimal degrees. Cadastre, engineering survey, topographic mapping (large scale). e. I want to use coordinates in degrees with EPSG:4326 so I initilize layer with: base_layer. UTM Zones are six degrees wide. Transform coordinates for position on a map - converting latitude / longitude degrees. So that is fine. crs import from_epsg,from_string,to_string # Import crs from different formats: wgs = from_epsg(4326) wgs =. For the moment I still can't see the map, but it will appear once I will add an appropriate vector layer. Left: Unprojected (Longitude/Latitude) using World Geodetic System 1984 Datum (WGS84) (EPSG = 4326) Right: USA Contiguous Albers Equal Area Conic, USGS (EPSG = 5070 or 102003) CRS. Latitude-Longitude; Degrees DT_NAME: WGS84 EPSG: 4326 GROUP: LL MAP_SCL: 1 PROJ: LL QUAD: 1 SCL_RED: 1 SOURCE: Mentor Software UNIT: DEGREE. 970769, 37. 63 degrees N and one degree in meters is not as long along the latitude than along the longitude. 0044996 degrees@DmytroGokun thanks for the feedback. 0 Global | EPSG:6933 entry by clicking on it, and then click OK. Re-projecting data to North/South Pole. 345' S becomes here -10° 1' 2. Even when I set the OpenStreetMap layer to EPSG 3857 it seems to be a completely different scale. To convert WGS84 degrees to meters, it’s essential to consider latitude. This part of the model should look like: It is also possible to use GeometryExtractor and GeometryReplacer transformers. 8. (from the. For 4326 (for example), it's the meter. Replaced by Xian 1980 / 3-degree Gauss-Kruger zone 40 (code 2364). Please, see screen capture showing the direct GeoPackage layer properties and not from the Layers window. Also found with truncated false easting - see Beijing 1954 / 3-degree Gauss-Kruger CM 114E (code 2435). . – user30184The World Geodetic System (WGS) is a standard used in cartography, geodesy, and satellite navigation including GPS. With the changed. Looking into the proprieties of the layer indicates to me the CRS is EPSG:4326. Area of use: World. gdalwarp -s_srs epsg:4326 -t_srs epsg:3857 -te -20037508. I need to create vector grids with precise measurements in meters. g. Just to note: EPSG 4326 is called a "Geographic" projection (mostly designated by latitude longitude numbers), to make real measurements you need a real projection. Reproject Map. EPSG:2425 Projected coordinate system for China - between 82°30'E and 85°30'E. Cadastre, engineering survey, topographic mapping (large scale). A more precise definition of the problem is this. 4336819°, 4. , accuracy 6. An authority string (i. CRS. Somalia. A slight confusion might come out of the fact that both 4326 and 3857 are in degrees, so the "right & proper" approach should in theory be: streets_import %>% st. Can anybody point to a good reference or a possible Ppython/C/C++/Java library source code for checking the math? ~ Converting latitude, longitude (epsg:4326) into EPSG:3857?A spatial reference system (SRS) or coordinate reference system (CRS) is a framework used to precisely measure locations on the surface of Earth as coordinates. EPSG 4326 (i. Also used offshore by State Geological Surveys. Truncated form of Pulkovo 1942 / 3-degree Gauss-Kruger zone 57 (code 2574). Belize. EPSG:3414 Projected coordinate system for Singapore - onshore and offshore. . EPSG Projection 4326 - WGS 84 Home | Upload Your Own | List user. 4326) A pyproj. 00045 degrees, these degrees being the distance between two adjacent vertices of the cell. – Rob Raymond. Also used offshore by State Geological Surveys. Point(13. e. When I want the distance between two points [(117. Remarks: Longitude is POSITIVE EAST. csv as a . From what I read, to change the unit from degrees to meters I need to change my CRS. right-click on layer and select Save As. 3047997101815 m. EPSG:3414 Projected coordinate system for Singapore - onshore and offshore. You can use the search on the site to find an EPSG code. However, there is no global system for this. EPSG:4326. In order to get the buffer zone in meters. To avoid terminological confusion: the named "WGS84" is a CRS (coordinate reference system), so synonyms and human-readable abbreviation for urn:ogc:def:crs:EPSG::4326. Replaced by Xian 1980 / 3-degree Gauss-Kruger zone 37 (code 2361). ここで、組織は「epsg」や「ignf」などの組織名であり、コードは特定のcrsに関連付けられた一意の番号です。 たとえば、一般的なWGS 84緯度/経度CRSは識別子「EPSG:4326」で知られており、Webマッピング標準CRSは「EPSG:3857」です。EPSG:2232 Projected coordinate system for United States (USA) - Colorado - counties Arapahoe; Chaffee; Cheyenne; Clear Creek; Delta; Denver; Douglas; Eagle; El Paso; Elbert; Fremont; Garfield; Gunnison; Jefferson; Kit Carson; Lake; Lincoln; Mesa; Park; Pitkin; Summit; Teller. Cadastre, engineering survey, topographic mapping (large scale). 06°N. To convert WGS84 degrees to meters, it’s essential to consider latitude. WGS84_UTM(30, true) since it covered required country, but this will be inaccurate if point is outside the zone? I thought WebMercator is something. -. A more precise definition of the problem is this. spatial_ref_sys WHERE srid = 4326; returns UNIT s of type "degree". Scope: Geodesy. 15. You can't scale areas from degrees to hectares (square miles etc. However I like to do it in Python and not in the command line. You've got a good grasp of it. 001 degrees across for EPSG:4326 vs. crs. 782683 ). Projection(‘EPSG:3857’), and the desProj should be OpenLayers. Center coordinates500000. Print the first two rows. (meters, feet). You have coordinates measured in decimal degrees in an. Thus, to get the point located. Zone width 3 degrees. Zoom to a scale of 1:5 000 000 again, as before. EPSG:2136 Projected coordinate system for Ghana - onshore. Proj (init='epsg:4326') The pyproj library can build a Proj object from an EPSG code. Not used offshore in. , Albers Equal Area). To see if everything works as expected I printed the length of two test linestrings. I have read that in order to do it, I need to transform EPSG:4326 to EPSG:3857 which uses meters. I have read that in order to do it, I need to transform EPSG:4326 to. Depending on the jars you have on your CLASSPATH a range of authorities are available to define a coordinate. e. I tried ST_distance_sphere and st_dwithin which can use metres, but if I do that, the explain shows that the index. Used by the GPS satellite navigation system and for. And this is the query : > select * from theuser where ST_DWithin (point , ST_GeomFromText ('POINT (120. Projection('EPSG:4326')}, true);No transform is available between EPSG:4326 - WGS 84 and Unknown CRS: GEOGCRS["unknown",DATUM["unknown",ELLIPSOID["unkno…. 34 -20037508. As a rough estimate, at the equator, 1 degree of latitude is approximately 111 kilometers, which is roughly equivalent to 111,000 meters. 9545540697872639,6001856. I don't know, only you will know which actual Coordinate reference systems you have, and want to convert into, but EPSG:4326 is a degrees latitude/longitude CRS so you should expect the first value to be +/- 90 and second value +/-180, and your values 6133089. In this class, we will use EPSG:3857 WGS84 Web Mercator (Auxiliary Sphere) with units in meters. Used by the GPS satellite navigation system and for. I've followed the instructions for resampling here, but I'm confused about reducing the resolution. gdaltransform -s_srs EPSG:4326+5773 -t_srs EPSG:4979 Enter X Y [Z [T]] values separated by space, and press Return. Not sure if this is part of the issue, but EPSG:4326 is WGS84 (lat/lons on a geoid) and is NOT Mercator. From the doc I know that res returns the (width, height) of pixels in the units of its coordinate reference system. I want to transform these coordinates to EPSG:4326 in Decimal Degrees format. 0 5572242. Powered by EPSG database 10. 8589506) Lon(2. CRS; CoordinateReferenceSystem sourceCRS = CRS. hence you area will in in km^2. Second polygon data: 100% polygon data in EPSG:4326. This can be referred to using the authority code "EPSG:4326". Project it to the standard WGS84 CRS in degrees (EPSG:4326). But given that I am using EPSG:32737 versus EPSG:4326, I want to know . from pyproj import CRS crs3857 = CRS(3857) # Web Mercator crs4326 = CRS(4326) # WGS84 crs3857. I don't know why it's changing only one axis. So I pressed the button:. EPSG:2413 Projected coordinate system for China - onshore between 109°30'E and 112°30'E. select st_distance (st_setsrid (st_makepoint (126. reprojection. I need to create vector grids with precise measurements in meters. Just wondering if if there is a way to change the buffer unit to meters but keep using EPSG 4326 as then all my layers seem to be at the right scale. Proj("+init=EPSG:28992") pyproj. 555479), 5186), 1) This query gives me 32792923 rows which is all data in the table. Features that cannot be transformed are returned as empty geometries. EPSG:32616 Projected coordinate system for Between 90°W and 84°W, northern hemisphere between equator and 84°N, onshore and offshore. We were using Geotools library for mulitiple backend implementations. wgs84=pyproj. One solution is to use the GEOGRAPHY data type. 70, 4941566. Cadastre, engineering survey, topographic mapping (large scale). Cadastre, engineering survey, topographic mapping (large scale). 1 degree of longitude corresponds to 73km. Some examples of geographic coordinate reference systems: WGS84 (EPSG:4326), NAD83 (EPSG:4269), and NAD83(2011) (EPSG:6318), ETRS89 (EPSG:4258). EPSG:2413 Projected coordinate system for China - onshore between 109°30'E and 112°30'E. Local coordinate systems are often unrelated. Be careful as WGS84 is a bit ambiguous. Running a WMS that. I don't know why it's changing only one axis. EPSG:4326 . “EPSG Geodetic Parameter Dataset is a collection of definitions of coordinate reference systems and coordinate transformations which may be global, regional, national or local in application”. So if I tell the library I want a buffer with a distance of 5 it will give me back a buffer with a radius of 5 degrees around my point. Geometry. get the area in square meters of a polygon using shapely and pyproj. EPSG:5270 TUREF / 3-degree Gauss-Kruger zone 10. 44573128938707 25. So this is working fine. Now I want to use map in degree units. “EPSG Geodetic Parameter Dataset is a collection of definitions of coordinate reference systems and coordinate transformations which may be global, regional, national or local in application”. UTM Zones are six degrees wide. Geographical coordinates are not meant for area and distance calculations. Add a comment. But how do I directly pass meters as 3rd parameter. From epsg. GENERIC_2D. Mexico. Replaces NAD83(NSRS2007) / California zone 6 (CRS code 3499). Horizontal component. A real value specifying the nominal grid distance in the y-direction where the map scale factor is 1. e. I simply cannot figure out why the units are meters and not degrees when native EPSG is 4326? In the past when I have published layers as 4326, DWITHIN always took only degree units. # Libraries -----. When step 3 is completed the Identify Results panel is no longer showing the coordinates in Decimal Degrees but in meters (except for the values under '(Derived)'. On the other hand, when you do the same for EPSG:4326 geography, you get result in meters. Orientations: west, south. 4326 is the EPSG code for WGS 84 lon/lat. Current CRS is EPSG:3857. WGS 84 is most commonly used to describe the. Is there a way to use degrees right a way without reprojecting them beforehand to meters? var p0 = new OpenLayers. Also found with truncated false easting - see Beijing 1954 / 3-degree Gauss-Kruger CM 111E (code 2434). Military survey. So how to solve the problem at the beginning of this article? Idea is that we go through the. For example, if I try to set my grid spacing to 16. Powered by EPSG database 10. Some of them are in the EPSG database (mostly those that are used for surveying), and they have an EPSG code number. Replaced by Xian 1980 / 3-degree Gauss-Kruger CM 123E (code 2386). Also found with truncated false easting - see Pulkovo 1995 / 3-degree Gauss-Kruger CM 126E (code 2734). st_crs ("EPSG:4326") #> Coordinate Reference System: #> User input: EPSG:4326 #> wkt:. I have another 50% polygon data in EPSG:4326. Replaced by Xian 1980 / 3-degree Gauss-Kruger zone 37 (code 2361). Replaced by Xian 1980 / 3-degree Gauss-Kruger zone 37 (code 2361). A four page cheat sheet about coordinate reference systems (CRSs), including projections, datums, and coordinate systems, and the use of these in R. Transforms using the pipeline= argument may fail if there is ambiguity in the axis order of the specified coordinate reference system; if you need the traditional GIS order, use "OGC:CRS84", not "EPSG:4326". Most of the time it mean EPSG: 4326 that is indeed in degrees (and the base of GPS position) but the name WGS84 could be used for other CRS with different unit (see image exemple below, taken from the website referenced in JGH answer). From the menu click. This approximation ignores the ~2. Download ZIP. 2. By default, QGIS starts each new project using a global default projection. My original dataset looks like this: 0 POLYGON ((-97. 35 meters. It conforms to ISO 19111:2007 1– Spatial referencing by coordinates. EPSG:3857 Projected coordinate system for World between 85. A graticule, or more specifically a Geographic Reference System, is a means by which to reference locations on the Earth using a system of angles. 39, 52. vector layer: Kml file,Line string CRS: WGS 84, EPSG:4326, is the base file for which buffer zone is to mark. The most commonly used coordinate systems are the WGS 84 Long Lat (SRID=4326) spherical coordinate system and the Mercator (EPSG:3785) projected coordinate system. It's confusing when an API says it uses SRID 3857 but gives a location using SRID 4326. For example, if I have an SF data frame that uses the WGS84 co-ordinate reference system (EPSG:4326), I would like to be able to determine that the co-ordinates are specified in decimal degrees. EPSG:4326 and IGNF:WGS84G It looks like both of them do not fit because of the map distorted in both cases. 78098m, dY=-283. epsg:4326. 1. The illustration below lists the WGS84 system with all its properties: EPSG code, Datum,. Search Map Transform About. So from 10° 1' 2. pixel_size_x, pixel_size_y = dataset. If you want meters, you'd need a projected coordinate system. Singapore - onshore and offshore. Cadastre, engineering survey, topographic mapping (large scale). The WGS84's ellipsoid is EPSG:7030 and the WGS84's datum is EPSG::6326. 4 introduced coordinate reference systems (CRSs), with a focus on the two major types: geographic (‘lon/lat’, with units in degrees longitude and latitude) and projected (typically with units of meters from a datum) coordinate systems. Cadastre, engineering survey, topographic mapping (large scale). Do you expect that the correct answer is about 8. EPSG:2207 Projected coordinate system for Türkiye (Turkey) - between 28°30'E and 31°30'E, onshore. Replaced by Xian 1980 / 3-degree Gauss-Kruger zone 44 (code 2368). When I properly transformed the 4326 projection then my intersection started working properly. For example, one of the most commonly used CRS is the WGS84 latitude-longitude projection. The method ST_Area can perform the calculation but returns the answer in the used coordinate. Search Map Transform About. In Brandenburg replaced by ETRS89 / UTM. I have a shapefile that is currently in WGS84/UTM zone 19S. io Transform coordinates Online converter for lat & long coordinates, geodetic datums and projected systemsA four page cheat sheet about coordinate reference systems (CRSs), including projections, datums, and coordinate systems, and the use of these in R. 1329847282581795e-08 # An example forcing the line through the other side of the world, # and specifying srid on definition. Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this siteFor instance, the common WGS 84 latitude/longitude CRS is known by the identifier EPSG:4326, and the web mapping standard CRS is EPSG:3857. EPSG:31467 Projected coordinate system for Germany - former West Germany onshore between 7°30'E and 10°30'E - states of Baden-Wurtemberg, Bayern, Bremen, Hamberg, Hessen, Niedersachsen, Nordrhein-Westfalen, Rhineland-Pfalz, Schleswig-Holstein. Truncated form of Beijing 1954 / 3-degree Gauss-Kruger zone 39 (code 2415). There's an issue of which CRS to use; RGDAL does not recognize the EPSG code. After researching online and on stack exchange, I came up with a code. 889635,. is_geographic # False crs4326. 4142135623730951. See my update; you will have to find a suitable projection for your area of interest that uses meter! – geozelot. is_projected # True crs3857. in square meters or hectares). Setting st_crs () of your object does nothing in itself other than that it rectifies the reference system, so that the thirty and fifty in your coordinates are understood as degrees. pointid distance lat long where pointid is a list of points, distance is distance of point from feature (calculated in QGIS in geographical units under a. I want to create a buffer of 10 centimeters around the original geometry but buffer method take argument in degree, so what value do I need to pass to achieve 10 centimeter buffer for projection of EPSG:4326?. So I need to change to EPSG:3857 and then it will work. The confusion arise because Google Map shows (SRID) 900913 coordinates as long/lat degrees when they are actually easting/northing meters. Plot ID X_meters Y_meters M1 0. 0, GDAL 3. Also found with truncated false easting - see Pulkovo 1942 / 3-degree Gauss-Kruger CM 30E (code 2585). Now you'll need to reproject your data to the proper UTM zone. Engineering survey, topographic mapping. I'm having a bit of trouble with projecting a DataFrame in GeoPandas from EPSG:4326 to EPSG:3857 in a notebook. e. 9, -1. EPSG:9518 Compound coordinate system for World. Your title says you want to convert from. Also found with truncated false easting - see Beijing 1954 / 3-degree Gauss-Kruger CM 132E (code 2441). Calculate geometry in decimal degrees from a point feature. Then I made a buffer, but I can't transform the buffer back to to degrees. Now i need a distance matrix between stores and customers but the result is in decimal degrees i think. 37477m, dZ=+21. When I properly transformed the 4326 projection then my intersection started working properly. See code 6426 for equivalent non-metric definition. It turns out I was attempting to intersect the 3857 projection with a 4326 projection later in my code. Projected bounds: -20,026,376. Considering that the spatial data spread over at least 10km, it seems that the st_within query calculates the distance between two geometries with a unit (degeree) of EPSG5186. I have EPSG:4326 data for polygons and would like to calculate the intersection of these polygons in square meters. 000000197720465,-0. 0. 8. Method: Position Vector transformation (geog2D domain) Remarks: Transformation defines QND95. Select Vector > Geoprocessing Tools > Buffers > set buffer distance as. Here is my code, if you interested. 04) that's why you have to convert to geographic in order to get degrees.