Angular geographic coordinates that specifying the north-south and east-west positions of locations.

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0
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1answer
40 views

Drawing lines showing connections between geocoordiante points

I have an ArcMap document with 100 locations plotted using their latitude and longitude values. I want to show connections between the 100 points in the graph. Essentially 100*100 = 10,000 lines. Is ...
3
votes
2answers
35 views

Add information from a cvs/text file to a raster shapefile based on latitude and longitude information

I have an empty raster shapefile that only contains the latitude and the longitude of the centroids of each grid. I now want to add an extra variable to each grid cell coming from a cvs or txt file. ...
0
votes
2answers
63 views

Using Python to field calculate Lat/Long with decimal degrees rather than meters

The below is a snippet of a python script that I am writing that basically adds two fields - Latitude and Longitude, then calculates them. I could use the Add XY Tool which gets me to the same point. ...
1
vote
0answers
29 views

Where can I download a raster dataset with the latitude and longitude of each pixel in geographic projection?

I want to do raster calculations in QGIS based on the latitude and longitude of each pixel. The calculations will compute the area of the pixel, but also do other calculations for various projections ...
-4
votes
0answers
28 views

Latitude and longitude either side of prime meridian and equator [closed]

I'm in Newcastle, UK and I'm trying to enter my latitude and longitude into some software. The software is asking me to enter degrees of latitude north of the equator. This is what I've entered: ...
1
vote
3answers
53 views

Lat and long extents of Canadian provinces

I'm seeking the latitude and longitude extents (i.e., extremes of lat and long) for each Canadian province. I already have Alberta and BC. For example, Wikipedia lists Ontario's extent as 49° 00’ N, ...
0
votes
0answers
25 views

Leaflet - Getting tile border coordinates

Displaying grid borders is fairly easy with CSS or adding an image like this: The result is a map like this: However, I'm having a hard time trying to get the coordinates of those tile borders. ...
2
votes
1answer
24 views

Understanding geohash and its associated rectangles

If I decode geohash sj8101b0858n85202hbh0j I get rectangle defined by min latitude, min longitude, max latitude, max longitude. My understanding is that if I decode first part of any hash (e.g. ...
-2
votes
1answer
48 views

How many 0.025°x0.025° (lat/lon) squares are there on the globe? [closed]

Pretty straightforward maths question that I can't wrap my head around. If you were to fill the globe with 0.025°x0.025° squares, how many would it take? Poles don't matter too much - I know they'd ...
1
vote
1answer
54 views

How to locate property corners using plat map description?

I am interested in a piece of property for which I have a plat map description, giving what seem to be latitudes/longitudes of lines along the boundaries (not sure about this). The objective is to ...
2
votes
1answer
32 views

Help plotting lat and long coordinates

I have a set of lat and long coordinates whihc i have uploaded to be a table in mapinfo (the latest one) as you can tell i'm not much of a GIS wizz. I can't seemingly plot these coordinates in London ...
-1
votes
1answer
66 views

Convert xy coordinates to latitude & longitude

Is there an easy way to convert coordinates (TM65) to latitude/longitude using ArcMap (version 10.3.1)?
15
votes
4answers
301 views

Compare similar lines and update layers

Here there are two layers with the representation of the streets and the idea is: We want to update the most recent layer (with the red line) with some of the data storaged in the other one (the light ...
1
vote
0answers
50 views

Do countries have a Latitude and Longitude range?

Do countries have a Latitude and Longitude range?. Is it possible to get the latitude and longitude range or boundary for each country. UK lat and long is 51.5000° N, 0.1167° W. What is the ...
0
votes
2answers
42 views

OpenLayers Lat Lon Conversion

I've been trying to figure this out, but have come up with nothing. I have this code: .... var lat = 7486473; var lon = 4193332; var lonlat = new OpenLayers.LonLat(lon, lat); .... It uses floats ...
2
votes
0answers
44 views

Understanding Latitude Jumps

I'm decoding some AIS messages and outputting KML files showing routes. Looking at some ships in the Adriatic Sea there are some weird Latitude jumps that I don't understand. Several ships show ...
0
votes
1answer
48 views

What would a map of the world look like if lat/longs were treated as projected coordinates? [duplicate]

I'm not quite sure if I'm phrasing this right. It's just occurred to me that lat/longs are two dimensional coordinates like any other projected coordinate system, so it's presumably possible to create ...
0
votes
1answer
58 views

How to convert negative NMEA latitude and longitude values ('S' and 'W')?

I'm getting from GPS data in the form of NMEA. There I'm getting positive latitude and longitude values('N' and 'E'). How do I convert the negative latitude and longitude values('S' and 'W') into ...
2
votes
3answers
67 views

Strange coordinate system [closed]

Here's an extract of a feature from the web that I converted to geojson using qgis. However, the coordinates are not standard are at all and when trying to actually preview it on the web it fails, ...
0
votes
0answers
24 views

Leaflet control to display scale in native/declared CRS (i.e. degrees)

I'd like to have a Leaflet map display the scale of a layer in native coordinates (i.e. degrees in EPSG:4326). From what I have read so far the map control always handles meters; is there a way to ...
3
votes
1answer
46 views

A point due east of me is closer to the equator? [duplicate]

This footnote: East-west directions can be misleading. Point B, which appears due East from A, will be closer to the equator than A. Thus the curvature found this way is smaller than the curvature ...
0
votes
0answers
105 views

How to convert X and Y coordinates to longitude and latitude?

I have looked at every single one of the answers about this question and none of them seem to work. I have downloaded a shapefile with points that represent specific buildings into QGIS. I would like ...
0
votes
0answers
37 views

How to project WRF data (lat/lon) onto ArcGIS maps

I have climate data generated using the WRF model, in lat/lon format (lambert conformal projection), in an Excel file. I'm looking to project / overlay this data onto a map of the UK using ArcGIS, ...
0
votes
0answers
40 views

Convert polygons to optimized lat long radius

I have a research project where I need to search Instagram and Twitter for geo coded data. The APIs allow lat, long, and radius, but I have shape files with polygon shapes and some long lines (think ...
4
votes
2answers
221 views

Difference between latitude and longitude

It occurred to me that latitude and longitude are not homologous in that the lines of latitude lie on parallel planes or slices through Earth, while lines of longitude are not parallel and meet at the ...
0
votes
0answers
72 views

How to display tracks on a layer with lat and long in Openlayers

I want to show a track on my map. I tried the below code but the problem is I don't want to load the track points in the layer from the GPX File (because I don't want to generate a file from ...
0
votes
0answers
21 views

georeferencing envi data with lat/lon in arcmap

I need to georeference gridded ENVI files or rather add georeferencing to the metadata. I do have the lat/lon of the corner points of the data and the spatial resolution. Any suggestions of how to put ...
1
vote
0answers
47 views

project hdf file with geospatial_lat and lon in batch process

Is there any way that I can do a batch process in projecting hdf files wherein I could get and include only the geospatial_lat and lon in the batch script since every hdf file have different ...
0
votes
0answers
101 views

Trying to convert GPS LatLng Android coordinates to use in ArcGIS rest - esriMeters

I am getting the LAT and LNG position from Android. Both values are of type double, in Degrees. For example: NY, USA Latitude: 40.7142700 Longitude: -74.0059700 Then I have a service ArcGIS REST. It ...
1
vote
2answers
114 views

How to overlay a Lat/Long CSV and NAD83 Shapefile in QGIS?

For reference I am new (as in a few hours of messing around) to GIS. I have a shape file/accompany projection files ect: CURRENT.prj CURRENT.shx CURRENT.shp CURRENT.dbf CURRENT.sbx CURRENT.sbn I ...
6
votes
1answer
126 views

Project location on a (great circle) path

I've been searching this SE site for quite a few hours now, and I'm still struggling to find a solution to my question. My goal is that given a way in OSM and my location (lat/lon coordinates), I want ...
4
votes
1answer
74 views

Which system of units does the unit 'degree' belong to?

Let us say that I would like to store latitudes and longitudes like this: lat 35 degree long 80 degree Which system of units does the unit 'degree' belong to? It is not really a SI unit nor a ...
0
votes
0answers
18 views

Distance corresponding to fractions of a minute of lat/long [duplicate]

My GPS is set to degrees minutes fractions of a minute. I am trying to determine the distance represented by a single increment on the Lat and Long of fractions of a minute. IE. traveling from ...
1
vote
1answer
40 views

latitude longitude into corresponding location in a image [closed]

I have an image , some data on this image, some data on the camera that took that image and a piece of code. And i'm trying to find the location (Px,Py) in the image from (lat,lon). my problem is ...
1
vote
0answers
45 views

Identify coordinate system used near Kuala Lampur

I have some coordinates that were given to me, and I do not know much about how they were taken. I thought they were UTM coordinates, but when I try to convert them using some online tools I always ...
-1
votes
1answer
17 views

Latitudes and Longitudes in Atlas

I have seen some Atlases and Maps where North or South or plus(+) for North or minus(-) for south is not mentioned/suffixed with the degrees of Latitudes in the graticules. Is it correct? How will a ...
0
votes
0answers
70 views

finding circumcenter of circle assuming 3 geo points on circumference (lat/long)

Situation: I have 3 geo points (lat/long). I have to draw a circle on a map where these 3 points are "sitting" on a circle circumference (max-distance from point to point = 500 Meters). So I need to ...
2
votes
1answer
184 views

Calculate longitude length in miles

Suppose I have geographic coordinates of "Saratoga, California, USA" as Latitude: 37°15.8298′ N Longitude: 122° 1.3806′ W I know from here that in case of latitude 1° ≈ 69 miles and that ...
0
votes
0answers
83 views

Change SHP Projection to display on Google Map

I'm pretty new to GIS but not to programming, so sorry if this was already asked. I didn't find a solution not sure if I didn't quite understand everything about Projections and so on. I have a GIS ...
0
votes
1answer
63 views

Connecting two individual long/lat points using CartoDB?

I've created maps using CartoDB before, but my newest project is a little more advanced. I've imported a dataset of tornado tracks on a particular day using Storm Prediction Center data. --> ...
3
votes
2answers
118 views

Can't export customer's shapefile to latitude and longitude

I'm very new to this application so bear with me. I hope that I am missing something very elementary. I have a shapefile supplied by my customer. I need to get the latitude and longitude for each ...
7
votes
3answers
1k views

Is there a name for 0,0?

Is there a name for the latitude/longitude pair 0,0? On a graph, (0,0) is referred to as the "origin" but I'm not sure if that term also applies to the location 0,0 in cartography.
0
votes
0answers
41 views

Pointers to open source C/C++ code for converting Lat/Lon data into geo-spatial indices in a triangular or hexagonal grid?

I have a streaming data application which needs equal area geo-spatial indexing of input Lat/Lon observational data for locality of referencing. From reading, it would seem that a triangular or ...
1
vote
1answer
39 views

How do I get a set of lat/lon points into OSMAND?

I have a lat/lon points that I want to get into OSMAnd. What format do I need to put this in?
-1
votes
1answer
79 views

Want a good database that has precise location coordinates (longitude & latitude) [closed]

I am searching for a good Excel spreadsheet database in tabular form that has the following: 1) It can be related to anything, eg. monuments of a country, tourist places, wildlife, cities; anything ...
0
votes
2answers
254 views

Getting latitude and longitude raster from DEM using ArcGIS for Desktop?

Could anyone please provide with a way to calculate latitude and longitude from DEM, for each raster cell? In previous posts about this, I have seen that some suggest calculating lat and long in ...
0
votes
1answer
78 views

How to create buffer around point having projection 4326

I am trying to create buffer (in meters) around point(long lat alt) which is in projection 4326 with below code. But it is not giving expected output. SELECT ...
1
vote
0answers
40 views

Calculating position in SRTM grid

I'm actually trying to calculate a grid point position in a SRTM grid by row and column count. So I got a position by lat/lon, then calculating the row and column in my hgt-file (this post helped me) ...
1
vote
1answer
81 views

Analyzing long lat location data to find locations in proximity

I am looking for a tool to analyze location data (long lat values from vehicle GPS available). The goal is to identify locations which are in close proximity (within a circle of 30-60ft) and then ...
0
votes
2answers
115 views

convert points to same utm zone

I have lat/long and when I convert to UTM, my points are in zones 35 and 36. is it possible to "transform" or "project" (I am not sure which word is used to do this operation) the UTM coordinates from ...