Questions tagged [geo]
geo is the abbreviation for the term "geographic". It includes handling of geographic coordinates and vectors for display and calculation purpose.
1,178
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How to group aggregate data based of latitude and longitude
I have 2 dataframes in R that both have this type of structure:
Lon
Lat
Measurement
5
7
15
5
8
20
The numbers in the actual dataframes are different from this example but I don't think that should ...
- 33
3
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51
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Translating latitude/longitude coords to 3D point on the surface of a sphere, problem near poles
Assuming the sphere is at position [0,0] (for now), I made this method to calculate a point on the surface of a sphere with a certain radius, given latitude/longitude coordinates (Vector2 x/y):
public ...
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Azure Traffic Manager Endpoint: The following locations specified in the geoMapping property for endpoint are not supported
I'm trying to create an Azure Traffic Manager Endpoint via Terraform, but I don't know what to put in "geo_mappings" value. This is my resource:
resource "...
- 1,527
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59
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Indexing by variable dimension instead of coordinate?
I have a DataArray that is in coordinates of y and x, with dimensions of lat and lon. I have a rectangle in lat and lon that I am trying to filter the DataArray by. The issue is that the coordinates ...
- 41
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Quality of geocoding in R with censusxy?
I am trying to geocode addresses using the package "censusxy." An example of how I do this is:
address<-tibble(street="295 Cow Hill Road", city="Mystic", state="...
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How to calculate distance with telemetry data
I have telemetry data with a large number of detections for each individual (ID) at several stations. I want to calculate the total distance travelled by each ID in my study.
Each station is ...
- 1
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67
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Creating buffer circle to know which IDs fall within 1000 meters from a given point
My df is looks like this:
latitude
longitude
ID
-22.582779
29.080456
0
-22.582575
29.080794
1
41.758910
-53.626698
2
17.758527
-2.443443
3
-22.582699
29.080455
4
I wanna create a function which ...
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Geo referencing in Julia
I have a heat map of a region over Los Angeles, stored as a matrix; however, the information is stored as pixels instead of as more convenient (lat, lon). Is there any way I can incorporate this into ...
- 81
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How can I get the latitude and longitude of a grid?
I'm currently working on a project where I need to identify all the intersecting points within a grid on the USA map. My objective is to divide the map into 1km square sections and obtain the latitude ...
- 25
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60
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POSTGIS - Query not using index
Im new to postgres, sql and all RDBMS in general so am working on a project to further my knowledge. Im building a room finding website. Each room is part of a property and each property can have ...
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47
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How to properly calculate distance with Geotools?
I'm trying to calculate the distance between two points but compared to google maps the value is too big. Here is how I do it:
GeodeticCalculator gc = new GeodeticCalculator();
gc....
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Geographical representation of (italian) data
I've started a (unpaid mandatory) intership and they basically gave me a massive csv sheet with uncleaned data to make sense of. I managed to clean it up and I now have created a SQL database with all ...
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43
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Using geographical coordinates, given an arbitrary point, how to find the closest existing point on a linestring?
I'm working with shapely and django-gis. I'm given a linestring with full coordinates and a point with rounded to 6 coordinates.
What I need is to find the index of the nearest existing point from my ...
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`osmnx.shortest_path` returns `None` for valid origin and destination nodes
Description
When calculating the shortest path between two locations with OSMnx, ox.shortest_path() failed to get any route and returns None
origin_lat=42.482, origin_lon=-70.910, dest_lat=42.472, ...
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How to retrieve scale factors from geo::AffineTransform in Rust?
I'm using the geo crate (version 0.28.0) in a Rust project and I need to retrieve the amount of scaling in the x and y directions from a geo::AffineTransform instance.
However, after going through the ...
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