But given that I am using EPSG:32737 versus EPSG:4326, I want to know . Once you find the page associated with your CRS of interest you can then look at all of the various formats associated with that CRS: EPSG 4326 - WGS84 geographic. You have to use a projected coordinate system that uses meters (like Lambert 93 for france or UTM for USA) to have coordinates in meters and calculations in meters. Then the target SRS, and the destination and source filenames. e. EPSG:2602 Projected coordinate system for Kazakhstan, Kyrgyzstan and Russian Federation onshore - between 76°30'E and 79°30'E. 39 -20,048,966. You must reproject your data into EPSG:4326 for getting degrees in WGS84. 8230, 22. for my project I used ProjectedCoordinateSystem. g. 000000197720465). Engineering survey, topographic mapping. Even geocentric coordinates (e. EPSG:20935 Projected coordinate system for Botswana - east of 24°E; Zambia - between 24°E and 30°E; Zimbabwe - west of 30°E . Remarks: Longitude is POSITIVE EAST. Projection(‘EPSG:4326’)(EPSG:4326 is our default projection). defs can also be used to define a named alias:EPSG:32190 - NAD83 MTM 10 (Often used in Toronto) EPSG:26917 - NAD83 UTM zone 17 (Often used for Southern Ontario) EPSG:26912 - NAD83 UTM zone 12 (Often used for Alberta) This is not an exhaustive. In fact: >>> from shapely. The locations are from Portugal, so I picked up the "right" crs here:. )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:. The transformation functions for the Web Mercator projection EPSG:3857 for latitude and longitude in radians to projected coordinates in meters are defined as. Cadastre, engineering survey, topographic mapping (large scale). Specifically, a square of 0. The standard is. Axes: westing, southing (Y,X). EPSG:2414 Projected coordinate system for China - onshore between 112°30'E and 115°30'E. I want to know the pixel size of my raster. Proj (init='epsg:4326') The pyproj library can build a Proj object from an EPSG code. You've got a good grasp of it. You have coordinates measured in decimal degrees in an. 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. EPSG:2413 Projected coordinate system for China - onshore between 109°30'E and 112°30'E. csv with the desired CRS; Save the . How can I express my pixel size in meters? This converts decimal degrees to meters equivalent (or divide 111. Uses spherical development of ellipsoidal coordinates. This is quite exact. After researching online and on stack exchange, I came up with a code. EPSG:2580 Projected coordinate system for Russian Federation - onshore between 172°30'W and 169°30'W. The following example converts the station coordinates of two German stations to the regionally used Gauß-Krüger system. To calculate this distance the vertex coordinates themselves are not needed, just two orthogonal sides (0. I have two points on a EPSG:4326 layer. >>> line. io/6933. Datum. EPSG 4326 (i. Plot ID X_meters Y_meters M1 0. The downside of this projection is that it may seem to warp your images, and linear. 5 mYou can see that EPSG:3857 references the same DATUM, SPHEROID, PRIMEM and UNIT fields as the 4326 projection. 6. I want to use a built-in function buffer of GeoPandas. Also it is not well suited to show a map of a 3-D earth on a 2-D map. I have another 50% polygon data in EPSG:4326. And then (optionally), extract the X/Y coordinates in degrees back into standard columns:Revision date: 2007-02-12. 5184195, -104. Truncated form of Pulkovo 1942 / 3-degree Gauss-Kruger zone 57 (code 2574). 0 Global | EPSG:6933 entry by clicking on it, and then click OK. 0, GDAL 3. A typical input is coordinates in meters and the name of an SRS which has meters as unit. PROJ or PROJ. Truncated form of Pulkovo 1995 / 3-degree Gauss-Kruger zone 34 (code 2668). So how to solve the problem at the beginning of this article? Idea is that we go through the. . distance method, but the method does not give me the right answer. CRSIn your case, using SqlGeometry with WGS84 (4326), your units are degrees. The reason it's a bad idea (usually) to buffer in degrees is that your buffer width/length will not be the same everywhere as the length of a degree of longitude shrinks towards the poles, or put another way, 2 degrees longitude is a much smaller length in Alaska than at the equator. WGS 84 - WGS84 - World Geodetic System 1984, used in GPS - EPSG:4326ANGLEUNIT["degree (supplier to define representation)",0. 8589506) Lon(2. 4336819°, 4. 63 degrees N and one degree in meters is not as long along the latitude than along the longitude. See section Custom Coordinate Reference System for information on managing your custom coordinate reference. g. Cadastre, engineering survey, topographic mapping (large and medium scale). We have a requirement to calculate the surface area (i. I want to use coordinates in degrees with EPSG:4326 so I initilize layer with: base_layer. EPSG:2413 Projected coordinate system for China - onshore between 109°30'E and 112°30'E. e. EPSG:32616 Projected coordinate system for Between 90°W and 84°W, northern hemisphere between equator and 84°N, onshore and offshore. The adjustment included connections to Greenland and Mexico but the system was not adopted there. Center coordinates500000. Spread the love. I have another 50% polygon data in EPSG:4326. Available transformations to EPSG:4326. Remarks: Longitude is POSITIVE EAST. 5));. EPSG:5675 Projected coordinate system for Czechia - between 13°30'E and 16°30'E. In the case of EPSG:4326, coordinates are latitudes and longitues (i. 722279472, 6765816. Done. (from the. 06) Lon(253457. Proj (init='epsg:4326') The pyproj library can build a Proj object from an EPSG code. I have tried this set of steps several times. Calculate length and use Tester transformer. Extra care is. 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". EPSG:2207 Projected coordinate system for Türkiye (Turkey) - between 28°30'E and 31°30'E, onshore. Section 2. Using 4326, you can get your desired values (40. PS: EPSG:4326 is using degrees as units, try the EPSG:3857 which uses meters as unit or if you know the location of your polygons choose a projection from a national gridI have 50% polygon data in EPSG:25832. referencing. Federal definition is metric -. If you're working with data that covers a small area and you need to preserve the shape of the features, then EPSG:3857 might be the right choice. Also found with truncated false easting - see Pulkovo 1995 / 3-degree Gauss-Kruger CM 126E (code 2734). The default for other projections is to estimate the point resolution by transforming the 'point' pixel to EPSG:4326, measuring its width and height on the normal sphere, and taking the average. This resulted in 1000 meter, what is accurate. In order to get the buffer zone in meters. EPSG:27700 Projected coordinate system for United Kingdom (UK) - offshore to boundary of UKCS within 49°45'N to 61°N and 9°W to 2°E; onshore Great Britain (England, Wales and Scotland). Also used offshore by State Geological Surveys. All the answers on the internet describe that you need to project to a flat UTM coordinate system for slope and elevation profile stuff to work. – Messypuddlethe CRS you have selected is epsg. The EPSG:4326 version has pixels which are square in degrees Pixel Size = (0. Unfortunately this is not the case. Ask Question Asked 5 years, 8 months ago. For example, if I try to set my grid spacing to 16. (meters, feet). Vector(new OpenLayers. Replaced by Xian 1980 / 3-degree Gauss-Kruger CM 123E (code 2386). Also, any geometry defined as a specific SRID within SQL Server will be excluded from. Its for a c# application to neglect the tolerance value of 20 meters to be ignored. 75 4109976. Method: Geocentric translations (geog2D domain) Remarks: For many purposes NAD83(2011) can be considered to be coincident with WGS 84. The current version, WGS 84, defines an Earth-centered, Earth-fixed coordinate system and a geodetic datum, and also describes the associated Earth Gravitational Model (EGM) and World Magnetic Model (WMM). CRS, with crs_from="epsg:3857" and crs_to="epsg:4326", then transform the point (x1, y1), we can get the same result as the first method, without any warning message. Replaces CH1903/LV03 (code 21781). The elevation data is in the coordinate system EPSG:4326. I need to create vector grids with precise measurements in meters. 454361,38. These look square in WGS84, but wouldn't be square when measured. 34 20037508. Available transformations to EPSG:4326. When I properly transformed the 4326 projection then my intersection started working properly. A more precise definition of the problem is this. epsg:4326. This part of the model should look like: It is also possible to use GeometryExtractor and GeometryReplacer transformers. the CRS is EPSG:4269 - NAD83 - Geographic; the unit is in degrees; and I confirmed from a metafile somewhere that the height z axis is in meters; 3. EPSG:3395. The original imagery is 6cm resolution, and that is in. Cadastre, engineering survey, topographic mapping (large scale). Now explicitly set the coordinate reference system to EPSG:3857 for art_dist_meters by using to_crs(). scatter plot in Excel) is a projection, albeit a non-standard one. 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. geometry line_string = ["LINESTRING (-1. Although the projection is closely associated with Google, Microsoft is listed as the "information source" in EPSG's standards. 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. 0. EPSG:2726 Projected coordinate system for Russian Federation - onshore between 100°30'E and 103°30'E. 2. 63 degrees N and one degree in meters is not as long along the latitude than along the longitude. 6374,4826473. Pixel size and pixel spacing are used interchangeably, as the concept of overlapping pixels is generally ignored. Southern hemisphere - south of 50°S onshore and offshore, including Antarctica. . Error: creation of data source failed (OGR error:Failed to create directory . geom = {'type': 'Polygon',It does not necessarily have to do with PROJ4 any longer if it is used in the assignment. 3 Answers. 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. Nicaragua. Then try your. decode("EPSG:4326"); The example above assumes you have gt-epsg-hsql jar on your CLASSPATH. A particular SRS specification (for example, "Universal Transverse. e. 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. EPSG:2413 Projected coordinate system for China - onshore between 109°30'E and 112°30'E. For cadastral purposes, replaces Kertau 1968 / Singapore Grid (CRS code 24500) from August 2004. Also found with truncated false easting - see Beijing 1954 / 3-degree Gauss-Kruger CM 114E (code 2435). Your coordinates are long/lat, so the distance will be in degrees. See section Custom Coordinate Reference System for information on managing your custom coordinate reference systems. Current my points are in WGS84 (4326) format. It looks like this: +init=epsg:4121 +proj=longlat +ellps=GRS80 +datum=GGRS87. Transform Get position on a map. Engineering survey, topographic mapping. 00"N and lower ones 88d12' 0. Adding "-a_ullr" seemed to work and the color shading code is fine, but it wants meters and not degrees. Quick way of telling what SRID your lat/lon is in: Look at how big the number & the precision. For cadastral purposes, replaces Kertau 1968 / Singapore Grid (CRS code 24500) from August 2004. In QGis you can change the coordinate reference system of your layer to WGS 84 (EPSG:4326) - which it could be already with the data coming from a different source or previous CRS - and then use the field calculator to calculate the geometry that you are looking for (assuming that your fields in meters represent something that can be. 10 20 0 10 20 26. Get the resolution of the point in degrees or distance units. Cadastre, engineering survey, topographic mapping (large scale). Spatial referencing. 4, PROJ 6. I’ll cover this more in part 3, but add the commands -te -180 -88. An authority string (i. all use the units of the SRID, which for 4326/WGS64 is degrees (so 1 = 1 degree of lattitude/longitude). Transforming EPSG:25831 to EPSG:4326 in Decimal Degrees format. 39 -20,048,966. Horizontal component. See code 6426 for equivalent non-metric definition. +. WGS84 (EPSG 4326) is a geographic coordinate system with Lat/long coordinates in degree. Replaced by Xian 1980 / 3-degree Gauss-Kruger zone 40 (code 2364). Coordinates represent location with respect to a specific coordinate reference system (CRS). Even when I set the OpenStreetMap layer to EPSG 3857 it seems to be a completely different scale. The points and line string where in "epsg=4326" which I am assuming is latitude and longitude. 0. EPSG Projection 4326 - WGS 84 Home | Upload Your Own | List user. geotools. Cadastre, engineering survey, topographic mapping. 0 2425478. 3 364110 4110007 (corner) M1. I use ol3 as a map service. EPSG:25832 Projected coordinate system for Europe between 6°E and 12°E: Austria; Belgium; Denmark - onshore and offshore; Germany - onshore and offshore; Norway including - onshore and offshore; Spain - offshore. See my update; you will have to find a suitable projection for your area of interest that uses meter! – geozelot. GeoPandas can accept anything accepted by pyproj. EPSG Geodetic Parameter Registry-based delivery platform , a webThis is zero within numerical precision, because the start # point (0, 0) is the same as the end point (0, 360)) on a map. the Python interface to PROJ. Instead, if you want to express length in meters, you have to transform your geometries from WGS84 to a. Generally, a data distributor can set up CRS parameters as he wants to. WGS84 (no space) is the alias of the ellipsoid (EPSG::7030). Cadastre, engineering survey, topographic mapping (large scale). For example, one of the most commonly used CRS is the WGS84 latitude-longitude projection. 9586 They fetch data by using this bbox: 13761899,35886447,13779795,35898097 If I try to get a similar bbox by using. – user30184The World Geodetic System (WGS) is a standard used in cartography, geodesy, and satellite navigation including GPS. Since the projection for this data is lat/long, the numbers are the same. )I want to know linestrings (epsg:4326) length in meters instead of degrees. 7 percent in scale and differences in northing of up to 43km in the map (21km on the. For applications with an accuracy of better than 1m replaced by NAD83 (HARN) in the US and PRVI and by NAD83 (CSRS) in Canada. Select Vector > Geoprocessing Tools > Buffers > set buffer distance as. Exporting in epsg:4326 puts the data in degrees lat/lon with elevation in meters; this is a widely-accepted projection system compatible with a lot of other pieces of software (like autocad), which is why we recommend it to help with the data import. convert from long/lat to google mercator (or EPSG:4326 to EPSG:900913) - degress2meters. 000000197720465). Sep 17, 2021 at 6:19. shp for shapefile datastore. It doesn't have to be exactly 1km, just that order of magnitude. The good news is that you only need to change the "inside" from "+init=epsg:4326" to "EPSG:4326" in the sp::CRS() function and things should work as previously as long as you do not use the sp::proj4string() functionCreate Vector Grid in Meters with EPSG:3857. The current map coordinates are still shown in Decimal Degrees. DESC_NM: World. 1 degree° = 60 arc minutes ' 1 arc minute ' = 60 arc seconds '' 1 arc second '' at equatorial sea level = 1852m/60 = 30. 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. wkt import shapely. geometry import LineString >>> line = LineString ( [ (0, 0), (1, 1)]) >>> line. Features that cannot be transformed are returned as empty geometries. These will look like distorted rectangles when represented in WGS84. 4326 WGS 84 [ensemble] Geographic 2D 5711 AHD height Vertical 9464 GDA94 + AHD height Compound 9463 GDA2020 + AHD height Compound. Geometry. The problem is the Esri geometry library uses the units of your projection as the distance, and in the case of EPSG:4326 the units are degrees. EPSG:4326 and IGNF:WGS84G It looks like both of them do not fit because of the map distorted in both cases. Print the first two rows. But the image is from 35. Rasters are composed of rectangular cells of the same size (expressed by map units, such as degrees or meters), so it is usually impracticable to transform coordinates of pixels separately. EPSG:2414 Projected coordinate system for China - onshore between 112°30'E and 115°30'E. To calculate the distance on the dataset in 4326, I assume that Qgis does some kind of re-projection in the background. So that is fine. Cadastre, engineering survey, topographic mapping (large scale). Looking into the proprieties of the layer indicates to me the CRS is EPSG:4326. In R, the details of a particular EPSG code can be obtained: CRS("+init=epsg:4326") Which returns: +init=epsg:4326 +proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs +towgs84=0,0,0 A data frame of all the CRSs can be created: EPSG <- make_EPSG() which returns a data frame with columns: code: EPSG code note: notes as included in the file Note, I understand that a degree corresponds to a different number of meters, depending on where on earth the imagery or geography is captured. –DWITHIN(geom, Point(lon lat), distanceInMeters, meters) then I get correct results within the specified radius. Pyproj expects degrees (lon, lat) or meters (x,y) as units but the unit of Projection: 2263 isUNIT["US survey foot". The real distance is about 479 meters, however the method give the result far from it, why?. Coordinates on a map - pick GPS lat & long or coordinates in a projection system. coordinates are in decimal degrees: latitudes and longitudes). 04) that's why you have to convert to geographic in order to get degrees. io/4269 which means the co-ordinates will be expressed in degrees and for accuracy should be in North America. When you are referring to coordinates in a projected CRS, the terminology is eastings (x) and northings (y). This is easily the most common use for the CRS class: import org. 808183, 37. The corner coordinates of the data are also given in projected and lat/long coordinates. 1. The method is fully documented at Geomatics Guidance Note No 7, part 2 There's an mathematical example at page 40 where you can use to cross-reference your code. Also found with truncated false easting - see Beijing 1954 / 3-degree Gauss-Kruger CM 114E (code 2435). EPSG:4231 - ED87. EPSG-number 4326 that we have here belongs to the WGS84 coordinate system (i. 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. vector layer: Kml file,Line string CRS: WGS 84, EPSG:4326, is the base file for which buffer zone is to mark. I have a . 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. Degrees Minutes Seconds (WGS84) Lat: ° ' " (N) Attention! Since this converter calculates with negative north values instead of positive south values, you have to add a - to your degree value, if it contains the specification S. For ARW, the grid distance is in meters for the 'polar', 'lambert', and 'mercator' projection, and in degrees latitude for the 'lat-lon' projection; for NMM, the grid distance is in degrees latitude. Russian Federation - onshore. INSERT INTO public. You can add any you need to that list or make your own. ProjCRS sometimes found in metric form: 1 Gold Coast foot = 0. length 1. I have a global map with CRS WGS84-EPSG:4326 and I want to calculate the area of my polygons. 1 m of the intended values. Cadastre, engineering survey, topographic mapping (large scale). 93)", "LINESTRING (-2. 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". I have read that in order to do it, I need to transform EPSG:4326 to EPSG:3857 which uses meters. Add a comment | 1 Answer Sorted by: Reset to. First you need to reproject the GeoDataFrame to a different CRS which units is either meter or feet, and then measure the area using areaattribute. 0 m, code 8643 (default)Your output EPSG:32632 is WGS84/UTM 32N with units in meters. Truncated form of Beijing 1954 / 3-degree Gauss-Kruger zone 39 (code 2415). Is there a way to use degrees right a way without reprojecting them beforehand to meters? var p0 = new OpenLayers. to_crs() method that will do the reprojection quickly. EPSG:4258 - ETRS89. 2768485) B) Lat(6250962. This CRS is useful as a kind of wild card when no CRS were explicitly specified. Search Map Transform About. Replaced by Xian 1980 / 3-degree Gauss-Kruger CM 117E (code 2384). projinfo -s EPSG:4326+5773 -t EPSG:4979 Operation No. 1: unknown id, Inverse of WGS 84 to EGM96 height (1), 1 m,. Also found with truncated false easting - see Beijing 1954 / 3-degree Gauss-Kruger CM 111E (code 2434). It is distributed in three ways: • the . Cadastre, engineering survey, topographic mapping (large and medium scale). The unit is degrees longitude and latitude, which is a result of your georeference system being epsg:4326. geometry import shape. Convert EPSG::4326 degrees to km, given coordinates. To convert WGS84 degrees to meters, it’s essential to consider latitude. example: make a one-degree unit square, in epsg 4326 and equirectangular > library(sf) Linking to GEOS 3. 1) The coordinates in (EPSG) 4326 are long/lat, and they are in decimal degrees. Share Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have All points are stored with SRID=4326. Transform coordinates for position on a map - converting latitude / longitude degrees From MapTiler Team. Zone width 3 degrees. 846255)] (longitude,latitude) on the earth, I take the GeoSeries. 0219772557337 0. ). 35 meters. Thus, when you run ST_Buffer on a EPSG:4326 geometry, the output is given in degrees of lat/lon. i created a point layers of store locations and customers in Florida by given coordinates (WGS 84 EPSG: 4326). from_user_input(): CRS WKT string. Also found with truncated false easting - see Beijing 1954 / 3-degree Gauss-Kruger CM 114E (code 2435). Depending on the jars you have on your CLASSPATH a range of authorities are available to define a coordinate. You can do this using the EarthExplorer portal. 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. Defined as exact. 076 I have the following data structure. To see if everything works as expected I printed the length of two test linestrings. A four page cheat sheet about coordinate reference systems (CRSs), including projections, datums, and coordinate systems, and the use of these in R. I am quite a bit confused for example if, at least in practice, EPSG:4326 is equivalent to Plate Carrée equirectangular projection. My users are used to providing the radius of a buffer in miles. Zone width 3 degrees. Then I made a buffer, but I can't transform the buffer back to to degrees. Germany - states of former East Germany onshore east of 13°30'E - Brandenburg; Mecklenburg-Vorpommern; Sachsen. “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”. Is there any solution to change the unit from degrees to meters for a global map? I'd be thankful for your help. For example, one of the most commonly used CRS is the WGS84 latitude-longitude projection. 9545540697872639,6001856. 1 degree of longitude corresponds to 73km. 3. . 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. 3) to reproject data from EPSG:4326 to a local projection. WGS 84 - WGS84 - World Geodetic System 1984, used in GPS - EPSG:4326. 75 (plot centre) M1 1. So,In mercator projection distance between lat lon points is in degrees, not meters. Belize. Area of use: North America - onshore and. EPSG:4326. Cadastre, engineering survey, topographic mapping (large scale). 78098m, dY=-283. 0. 2 180 88. Therefore, the length attribute is expressed in the same unit of coordinates of your linestring, i. The original view (EPSG:3857) was following: After changing to CRS to. While the . Create Vector Grid in Meters with EPSG:3857. So if you want a 500 meter buffer. May be approximated to 1m throughout Qatar by geocentric translation transformation with dX=-127. Also found with truncated false easting - see Beijing 1954 / 3-degree Gauss-Kruger CM 114E (code 2435). 24081m. 2008783714845777 Feature count 51 Coordinate Reference System (CRS) Name EPSG:3857 - WGS 84 /. 5818088) (lat, lon) –Scope: Geodesy. e. 62)Select WGS 84 / NSIDC EASE-Grid 2. Thus putting the degree extent of the data as the corners as arguments for "a_ullr" puts the image basically at the Equator/PM intersection since -97 longitude is considered 97 meters west of the PM. Spatial referencing. What is the difference between WGS84 and EPSG 4326? It seems like for a given dataset it might be both WGS84 and EPSG:4326. Also used offshore by State Geological Surveys. You can determine the zone by adding 183 degrees to longitude, dividing by 6 and rounding (or adding 186 and truncating after division). I wonder what is the straightest way. Horizontal component of 3D system. 722279472, 6765816. Djibouti. So STDistance (), STArea (),.