geospatial Questions
10
Solved
Is there the equivalent of the "Hello World" program for GIS applications?
I am looking to become more familiar with the development of GIS applications. What are the popular (and free/low c...
Samoyedic asked 9/1, 2009 at 19:30
2
I am trying to understand how elastic search supports Geo Spatial search internally.
For the basic search, it uses the inverted index; but how does it combine with the additional search criteria ...
Counterrevolution asked 17/5, 2020 at 14:46
2
I am developing an application where I have geospatial polygons like this:
var polygon = [{"lat": -19.939323, "lng": -43.928983},
{"lat": -19.939747, "lng": -43.933103},
{"lat": -19.947291, "lng...
Strawboard asked 27/6, 2012 at 20:33
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
2
Solved
I'm a bit new to working with polygon data (in C# using NetTopologySuite) and want to get the bounding box of several polygons, depending on the fact whether the bounding box of each polygon is ove...
Roxyroy asked 7/12, 2020 at 15:50
4
I am need a Java function that will generate a bounding box (rectangle) around a buffer. The buffer is defined by the center point (WGS84 coordinate) and the radius (in meters).
Getting a bounding...
Scornik asked 6/4, 2016 at 15:3
12
Solved
This all new to me, so bear with me...
I'm working on a Visual Studio project; it's a web service that returns some data.
I've just tried to make a particular call to the web server on my local ...
Cane asked 7/3, 2017 at 17:47
1
Solved
I am trying to create a map containing polygons that represent 25km buffer into the ocean from every country's coastline, so that I can calculate the area within this buffer for each country. I am ...
Milly asked 16/11, 2023 at 20:11
0
Currently I am trying to create screenshot functionality of a Geospatial map
Below I have achieved to get the Geospatial map as a screenshot, where as I need to add few divs from outside the Geospa...
Somnambulate asked 13/11, 2023 at 2:26
2
Solved
Would like to be able to deserialize a Geolatte Geometry Point in Spring Boot 3.2 by registering the Geolatte JSON module successfuly and use its deserializers
I can manually register the GeolatteG...
Southeastwardly asked 1/9, 2023 at 22:27
11
I am trying to use the SqlServer Spatial CLR types in a C# .Net project.
I want to use SqlGeometry to query spatial records out of my db.
I have this working on my local machine in a unit test run...
Sturdivant asked 10/1, 2013 at 19:34
4
Solved
I have been working on earthquake data that has lat long values, and I want to convert those lat long values to spatial coordinates.
Suppose I have the following data set df:
longitude latitude
...
Ashelman asked 19/4, 2015 at 22:21
2
Solved
I have found very easy and useful to load world map from geopandas datasets, as probably many others, for example:
import geopandas as gpd
world = gpd.read_file(gpd.datasets.get_path('naturalearth_...
Posterior asked 24/6, 2023 at 22:36
3
Solved
I'm trying to save the longitude/latitude of a location in my user Model and query it with $geoNear. I've looked at almost any page I could find on that topic, but still I'm not sure how to 1) crea...
Vasos asked 25/8, 2015 at 8:55
3
Solved
I want to make a world map with a voronoi tessellation using the spherical nature of the world (not a projection of it), similar to this using D3.js, but with R.
As I understand ("Goodbye flat...
Stockjobber asked 10/7, 2021 at 1:46
7
Solved
I'm just trying to get a simple near query working. Here's a sample of my document.
{"point":
{"type": "Point",
"coordinates": [30.443902444762696, -84.27326978424058]},
"created_on": {"$dat...
Totaquine asked 20/4, 2014 at 23:51
2
Solved
given is a raster as well as a SpatialPolygonsDataframe.
In order to retrieve the highest value of the raster within the area of a polygon, raster::extract can be used. It works fine.
How to get...
Catchment asked 29/12, 2017 at 11:9
4
Do anyone know why MongoDB use B-Tree but not B+-Tree?
As I know most DBMS use B+-Tree. Are there any special reason for MongoDB to use B-Tree?
thanks.
Barrows asked 2/4, 2013 at 15:44
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
4
The context
I would like to be able to extract the location of Google Maps embedded in a website (random example found at the bottom of this website).
<iframe src="https://www.google.com/...
Accomplished asked 30/10, 2017 at 14:11
4
Solved
I would like to snap a point to the closest point on a road segment using sf::st_snap. However, the function seems to return the wrong result, it's snapping my point to a point at the start of the ...
Roulers asked 11/7, 2018 at 19:29
7
Solved
There are clearly a number of packages in R for all sorts of spatial analysis. That can by seen in the CRAN Task View: Analysis of Spatial Data. These packages are numerous and diverse, but all I w...
Plugboard asked 11/8, 2009 at 15:6
2
I have a macbook with the M1 Chip and I'm trying to set up a django project. The project works with Geospatial libraries gdal.
I installed gdal with homebrew on version 3.3.1_3 and inside my virtua...
Robert asked 2/9, 2021 at 10:13
6
Solved
Is there a service/API that will take a postal/zip code and return the bounding(perimeter) coordinates so I can build a Geometry object in a MS SQL database?
By bounding coordinates, I mean I woul...
Arabian asked 28/10, 2012 at 20:48
2
Solved
So I'm trying to plot a bunch of coordinates on the earth and track how many coordinates are in each country. I have plotted the map and coordinates fine, but when I try to use the intersection to ...
Spectroscopy asked 22/11, 2022 at 2:38
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