spatial Questions
5
Solved
I've produced this map in ggplot2:
library(maptools); library(ggplot2)
data(wrld_simpl)
world <- fortify(wrld_simpl)
worldUk <- subset(world, id=="GBR")
ggplot() +
geom_path(aes(long, lat, g...
Phagy asked 17/6, 2013 at 15:17
4
Solved
I found some open source R-Tree implementations in C#, but none with documentation nor signs of being used by someone else than the developer.
Birdsall asked 11/1, 2010 at 12:43
4
Solved
I have a SQL Server instance that I've added a linked server to another SQL instance. The table I'm accessing on the linked server contains spatial types. When I try to query the table I receive an...
Esquiline asked 11/3, 2011 at 21:53
4
I have a database-first .net core 3.1 web application which connects to SQL Server database table with a geography column. The database scaffolding and application build completes without any issue...
Sniggle asked 5/11, 2020 at 20:23
3
Before maptools and rgdal were deprecated, I used this code to import a shapefile, centroids csv and commuting count data, to create a flow map using the code below (I removed the ggplot code for l...
2
Solved
I am trying to change the CRS of a raster tif file. When I assign new CRS using the following code:
with rio.open(solar_path, mode='r+') as raster:
raster.crs = rio.crs.CRS({'init': 'epsg:27700'}...
3
Solved
I can query and get nearest locations to the client with degrees:
serviceQuery = serviceQuery.Where(s => s.Location.Distance(currentLocation) < <degree>)
.OrderBy(s => s.Location.D...
Ranit asked 27/4, 2020 at 5:30
4
Solved
I have some models that use geospatial fields like POINT, POLYGON or MULTIPOLYGON. I would like to tell my model to process these attributes in a special way, for me to get the desired model attrib...
2
Solved
I have a database with various defined polygons which represent the outer boundarys of buildings on a map of a business park.
If I perform a Select within Management Studio, I get a result similar...
Particiaparticipant asked 30/1, 2015 at 13:46
4
Solved
SF is the R-Spatial package designed to work with tidy syntax like dyplr and pipes.
I would like to do a simple spatial filter on a simple features collection object. Given a simple features coll...
4
I am an R novice, especially when it comes to spatial data. I am trying to find a way to efficiently import multiple (~600) single-band raster (.tif) files into R, all stored in the same folder. No...
2
Solved
3
Solved
I'm trying to populate my DB with geographical places of my country. One of my tables have 4 fields: ID[PK], latitude. longitude ande geoPoint
EDIT `SCDBs`.`Punto_Geografico`;
SET @lat = 18.4696...
Excrescency asked 13/3, 2011 at 22:56
2
Solved
In my spring boot application, I am trying to store spatial data using spring data with hibernate (jpa). Full source code of minimal reproducing example is available at github.
In my pom.xml, I hav...
Yuzik asked 1/8, 2019 at 13:14
2
Solved
I have a dataframe with two columns of type numeric.
foo <- data.frame(replicate(2,sample(10.1:15.2,100,rep=TRUE)))
X1 X2
1 13.1 15.1
2 13.1 11.1
3 13.1 15.1
4 10.1 13.1
5 15.1 11.1
6 13.1 11....
Checkroom asked 11/4, 2022 at 8:35
4
Solved
I want to do some spatial statistic analysis with the county-level crop yield data in Nebraska for the STAT class. For that I need the longitude and latitude of the geographic centroids of each cou...
1
Solved
I am looking for an R package which can run "Spatial Vector Autoregression".
tandfonline.com/doi/full/10.1080/17421770701346689
According to Chen and Conley (2001), this is a "vector...
Fireproofing asked 14/2, 2021 at 14:21
2
Solved
I'm making GIS maps in R using the sf package (and related packages) to read in shapefiles, and ggplot2 (and friends) for plotting. This works fine, but I can find no way to (automatically/programm...
3
I've downloaded from openstreetmaps administrative borders (city, region, country, etc...) in geoJson format.
I'm trying to store the json data related to the polygons in my ms sql server using sp...
2
Solved
I am making a convex hull using the scipy.spatial package http://docs.scipy.org/doc/scipy/reference/generated/scipy.spatial.ConvexHull.html#scipy.spatial.ConvexHull
I've tried searching, but have ...
Lowborn asked 14/7, 2015 at 10:55
3
Solved
The Question:
What is the best way to calculate inverse distance weighted (IDW) interpolation in Python, for point locations?
Some Background:
Currently I'm using RPy2 to interface with R and its ...
Luu asked 23/6, 2010 at 19:18
2
Solved
I am looking for Ripley's k function implementation in Python. But so far haven't been able to find any spatial modules implementing this in scipy or elsewhere.
I have created Voronoi tessellatio...
0
I have a dataset that contains 100 million points. I need to spatially join them to the area they intersect with. I'm using sf and st_join, but unsurprisingly when I try to perform this operation m...
Catboat asked 24/8, 2021 at 13:36
0
I just downloaded spatial information from the National Wetlands Inventory (NWI). I'm trying to manipulate the geometries in R (st_transform, st_cast, st_crop, etc.), but I've never seen a geometry...
2
Solved
I'm trying to simulate some data for a project, and basically I need to draw an irregular oval-ish shape, then make a bunch of random points inside that shape, and I'm at a total loss for how to do...
Carma asked 12/8, 2021 at 16:31
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