geo Questions
17
Solved
For example if we have these set of coordinates
"latitude": 48.858844300000001,
"longitude": 2.2943506,
How can we find out the city/country?
Stinkpot asked 28/5, 2011 at 1:17
1
Solved
I have a shapefile that I'm working with in R, using sf, and it has multiple (tangential) polygons with the same ID. I want to COMBINE those shared-ID polygons into 1 polygon, so that each polygon ...
13
Solved
I tried implementing the formula in Finding distances based on Latitude and Longitude. The applet does good for the two points I am testing:
Yet my code is not working.
from math import sin, cos, ...
4
Solved
I have two keys(geo zset) in redis first "DRIVERS" second "ORDERS" and members inside them.
Is it possible to calculate distance between member in DRIVERS and member inside ORDERS?
Manual https://r...
9
Solved
I don't need the city or address, just the state. And I don't want to make an API call if possible. The priority is a light-weight solution, ideally just Javascript.
I have a user-input zipcode, a...
Invisible asked 3/3, 2015 at 0:12
9
Solved
I would like to perform blinear interpolation using python.
Example gps point for which I want to interpolate height is:
B = 54.4786674627
L = 17.0470721369
using four adjacent points with known c...
Phalangeal asked 28/12, 2011 at 21:29
1
I have 2 PySpark dataframes: one with points df_pnt and the other with polygons df_poly. As I'm not very familiar to PySpark I'm struggling with correct join of this dataframe on the condition whet...
Haith asked 6/3, 2020 at 16:16
19
Solved
If I have a latitude or longitude reading in standard NMEA format is there an easy way / formula to convert that reading to meters, which I can then implement in Java (J9)?
Edit:
Ok seems what I w...
Comestible asked 12/3, 2009 at 17:38
4
Solved
I am having following JSON array of 6 locations. Is there any way sort these based on longitude and latitude where nearby locations come next in the array?
[
{"id" : 279, "longitude":79.853239,"l...
Isbella asked 10/11, 2014 at 3:12
5
Solved
I have a function find_country_from_connection_ip which takes an ip, and after some processing returns a country. Like below:
def find_country_from_connection_ip(ip):
# Do some processing
return...
4
Solved
There are a few similar posts but I couldn't find an exact one. basically, I want to open both Google maps and Waze with the same intent. At first I tried this:
final String uri = String.format(Lo...
Touchline asked 4/9, 2014 at 10:14
23
Solved
Given a set of latitude and longitude points, how can I calculate the latitude and longitude of the center point of that set (aka a point that would center a view on all points)?
EDIT: Python solu...
Pawpaw asked 12/7, 2011 at 21:11
2
Solved
How do I fund the nearest LINESTRING near a point?
First I have a list of LINESTRING and point value. How do I have the nearest LINESTRING to the POINT (5.41 3.9) and maybee the distance?
from shap...
6
Solved
I'm currently having problems in creating a schema for the document below. The response from the server always returns the "trk" field values as [Object]. Somehow I have no idea how this should wor...
3
Solved
I am working with GeoPandas and I have two GeoDataframes with the same CRS. One of them contains a geometry column with a polygon geometry, the other one a column with point geometry. I want to che...
Gaitskell asked 20/10, 2021 at 8:27
8
I'd like to be able add padding to a map view after calling a map.fitBounds(), so all markers can be visible regardless of map controls or things like sliding panels that would cover markers when o...
Roo asked 26/4, 2012 at 18:34
2
WHAT I HAVE TO DO:
I'm building an application where I want to do a query in firebase and receive the users who are in a range of X kilometers.
But I want to limit this received documents and als...
Arlynearlynne asked 19/6, 2019 at 19:17
1
I want to be able to retrieve the geographical coordinates (latitude and longitude) for a given address. I'm hoping I can do that if I have the full address (street address + city + state + zip).
I...
5
I am looking for an algorithm through I can create a geofence and check if a device is entering/leaving the fence. I have looked at point in polygon algorithms (ray casting and winding number) but ...
Inception asked 1/6, 2012 at 18:41
2
Solved
When I draw the Bermuda Triangle in an SVG element the scale is not what I expect (triangle should extend to edges of box) and the fill is backward (instead of drawing a triangle, it draws a square...
Meow asked 11/11, 2017 at 5:45
3
The project I am working on uses google places autocomplete to help users to input POIs and addresses. This works ok but we want to filter the autocomplete results by particular areas which w...
Discretionary asked 20/8, 2014 at 9:39
3
Solved
For now, I'm generating geo positions with only random module:
from random import uniform
geo_position = (uniform(-90, 90), uniform(-180, 180))
Obviously, this method can produce a dot somewhere...
Pleinair asked 7/12, 2017 at 10:20
4
Solved
I am trying to determine a way to calculate the number of meters represented by 1 pixel at a given zoom level and geo centerpoint in Leaflet. Could anyone direct me to the math involved or if there...
Impassable asked 18/12, 2014 at 11:6
3
Solved
I'm working of a fairly simple world globe interface using D3 and the D3.geo.projection to create a spinning globe with data points on it.
Everything worked fine (i.e. the points "eclipsed" when ...
Jonathonjonati asked 13/3, 2014 at 0:28
2
Solved
What are the data needed for calculating barometric altitude? How do I get them and then calculate the altitude?
Also how accurate is the barometric compared to GPS altitude? I tried GPS but afte...
Dibs asked 10/5, 2014 at 13:4
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