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Questions tagged [geo]

geo is the abbreviation for the term "geographic". It includes handling of geographic coordinates and vectors for display and calculation purpose.

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Android Studio GeoDataClient cannot be resolved

I haven't seen this problem anywhere on the internet, also it doesn't seem the library is deprecated, but I just can't add the import: import com.google.android.gms.location.places.GeoDataClient; My Android SDK is up to date. Does anyone know how…
Yago Dórea
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polygons from coordinates

I've got a data.frame with lats and lngs that define the boundaries of rectangular boxes, like so geohash north_lat south_lat east_lng west_lng 1 gbsuv 48.69141 48.64746 -4.306641 -4.350586 2 gbsuy 48.69141 48.64746 -4.262695…
RoyalTS
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Store GeoJSON polygons in MongoDB

I have the following problem with MongoDB. I got some geo data from my home country and i have to store them into mongodb to set up a simple Web Feature Service. This service will mostly do bounding box queries using the $within operator. The data…
Dominik Nöger
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Flutter Firestore Geo query

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 also to have a function for getting more documents on…
Mircea
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Major and minor graticule for maps?

I have created the following map, which has a uniform gray grid with 1° intervals both for meridians and parallels: I would also like to have the meridians and parallels thicker and in black for every 5° interval (while keeping the 1° grid), so…
codeaviator
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d3.js geo worldmap - merge russia (shift small part from the left next to america to the right)

I created a simple worldmap with d3 as you can see here: http://bl.ocks.org/wiesson/ef18dba71256d526eb42 Is there a simple way to shift the small part of russia (as illustrated in the picture) to the right, without creating a new topojson? If not,…
wiesson
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Geo chart for java

Can anyone recommend a Java component that lets you create a pretty looking image of a world map, highlighting certain countries (based on some statistics). Something similar to this image: Something similar to Google Geo Charts (but for Java):…
AtliB
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Algorithm to find clusters (min x pts. within y distance of cluster center) of geographical points

Given a database of geographical locations (long/lat), what would be the best approach to determining/detecting clusters of locations that are within x miles of the cluster center AND total at least y locations? e.g. out of 1000 McWidgets in NC,…
etriad
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How to center a google map around a country if you just have the country name

I have a page about hiking in various countries. I am trying to make a page like that for each country, but not sure how to automatically center the google map around a country and also have it adjust the focus depending on the size of the…
Genadinik
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Join tables in PySpark on condition: if point is within a polygon

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 whether a point is inside a polygon. I started with this…
James Flash
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Get nearest places on Google Maps, using MySQL spatial data

I have a database with a list of stores with latitudes and longitudes of each. So based on the current (lat, lng) location that I input, I would like to get a list of items from those within some radius like 1 km, 5km etc? What should be the…
Atif
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PostGIS - Route matching solution

We are building an application where I am a driver and i travel from point A to point B.On my way i can find passengers who travel in the same route. We are using PostgreSQL with PostGIS extension. After googling a lot i have found out that we can…
sdg
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Pandas: fastest way to resolve IP to country

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 county I am using the function inside apply…
Ahsanul Haque
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d3 US state map with markers, zooming transform issues

I've created a d3 map with US states, following this example: http://bl.ocks.org/mbostock/4699541 and added markers following this SO question: Put markers to a map generated with topoJSON and d3.js The problem is that on zoom, the map markers stay…
Troy
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Last.fm geo.getEvents returns Invalid Method - No method with that name in this package

I have a problem running a test query with geo.getEvents method to the last.fm API. Weird thing is that it has been working for a while, then it just stopped suddenly. I wonder if the method has been disabled, or am I doing something wrong? This is…
user5302711
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