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

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3
votes
3answers
140 views

How to find accurate latitudes and longitudes data for cities?

I want to put the coordinates of cities in a spatial db and then find cities from a given city at some given distance. I am hoping these functions would be readily available in a spatial db like ...
2
votes
1answer
31 views

How to choose a latitude-longitude among conflicting sources

Suppose you use various geocoding facilities (like Mapquest's API, Texas A&M's, etc.) to get a latitude-longitude pair for a given address in the United States. They give you differing answers, ...
0
votes
0answers
10 views

Creating (manually transforming) a DXF in WGS84 lon/lat coordinates. In which coordinates do I have to define blocks?

I've got a DXF file that represent a map with lines, texts, and some symbols (blocks in DXF). I need to transform coordinates from a local cartesian system to WGS84 lon/lat coordinates, maintaining ...
0
votes
0answers
25 views

Converting object's 2D Coordinates into World coordinates (Lat,Long)

I'm using Viz Artist to do this. Basically, I am trying to move an object along surface of the Globe. The object has its world position (Lat, long) plugin whereby it will appear as it is on the ...
2
votes
2answers
51 views

Calculating geometry for feature class with x/y and Lat/Long values in different projections?

I have a feature class with x/y values populated on the native projection of the feature class (state plane). In the same feature class I also have Lat/Long fields that I need to populate (WGS 84 in ...
0
votes
3answers
46 views

Are there alternatives to the Google Places API, for lat/long retrieval?

I am looking for an alternative API to Google places both free and paid to extract location data (lat/long) for business locations i.e all of the "coffee shops in London". I have looked at Factual, ...
0
votes
1answer
23 views

find minimum covering circle for given points (long,lat)

Hi need to be able to calculate a bounding box or circle for Given points (latitude and WGS84 longitude). Would it be possible for someone to give me some pointers / Example on how to do this Thanks.
-1
votes
1answer
99 views

How to get all vertex lat, long coordinates every 1 meter between two known points using php

I am currently using php to try and write code that will take a start point and end point latitude and longitude coordinate pair in decimal degrees and calculate the latitude and longitude of every ...
0
votes
0answers
41 views

Conversion between semicircles and latitude units

I've recently come across the semicircle unit that is used to describe a latitude and longitude using the maximum precision allowed by a 32-bit number. The conversion here is given as degrees = ...
0
votes
1answer
53 views

How do you calculate latitude and longitude of a point in a static map?

Background: I have generated a static map (map.png) of a particular city using mapnik and osm data of the highest zoom level. I am able to zoom in and zoom out successfully using my Java program. It ...
0
votes
1answer
28 views

How to create grid from 2 separate images of latitude and longitude

I have two separate images of latitude and longitude, and want to create a grid from them so I can assign it to my Non-Geo referenced file... How can I create it, particularly in Matlab... But other ...
2
votes
2answers
74 views

How to calculate the distance between a line and a point (using lat/lon coordinates)

In my Android app, I need to calculate the distance from a point (the device's location, which is a lat/lon coordinate) to a line (defined by two lat/lon coordinates), and get the result in meters. ...
0
votes
1answer
31 views

Change from ArcGIS extent box to lat long pair

I have a copy of some ArcGIS log files with bounding box extent information. This example point should map to Montana. Extent:-12711495.260857,6062474.786336,-12711267.136963,6062864.358207 I know ...
1
vote
1answer
71 views

How do I convert WGS84 to Lat, Long to Google Maps in R?

I have this coordinate which I believe it's in WGS84 format x=1005740.867110, y=243957.356623 I want to plot that in Google Maps which I need to convert that to Lon, Lat. I've found this script ...
1
vote
1answer
46 views

How do I convert ESRI X,Y to Lat, Long for Google Maps?

I've downloaded the data from NYC Parking regulation. I want to plot that on Google Maps. I use http://www.shpescape.com/ft/ to convert to Google Fusion Maps but the data is in X,Y coordinates instead ...
0
votes
1answer
45 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
40 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
123 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
34 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 ...
1
vote
3answers
67 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
35 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
36 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
49 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
112 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
37 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
149 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
317 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
73 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
52 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
45 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
50 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
80 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
73 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
31 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
128 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
60 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
47 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
346 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
110 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
50 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
1answer
168 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
148 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
143 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
82 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
43 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
50 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 ...