spatial Questions
3
in vnext, using Entity Framework 7 (https://github.com/aspnet/EntityFramework) how to use Spatial Data types (e.g. DbGeography) in model (code-first method) to save points, shapes etc. when creatin...
Aceto asked 19/11, 2014 at 3:48
2
Solved
I have a problem saving spatial data in CakePHP with saveAll(). I really dont want to write the query manually (Handling spatial data in CakePHP) because there are number of models being saved.
Als...
Dentil asked 20/5, 2013 at 10:35
3
Solved
How can I improve the legend of spatial raster map plot using ggplot when compared to a spplot() legend?
I would like plot spatial maps using ggplot() instead of ssplot() however there are a few t...
Polyzoic asked 28/7, 2011 at 16:46
4
I'm trying a little experiment at pushing a data set which is not geo-spatial but fits it quite well and am finding the results somewhat unsettling. The data set is genomic data e.g. the Human Geno...
Urceolate asked 21/1, 2011 at 11:15
1
Solved
I am trying to take create a set of polygons from vertex locations, saved in X,Y format.
Here is an example of my data - each row represents the vertices for one polygon. the polygons are squares
...
1
Solved
I have WCF REST service which contains following code
var geo = DbGeography.PointFromText(string.Format("POINT({0} {1})", longitude, latitude), DbGeography.DefaultCoordinateSystemId);
Unit test ...
Ferruginous asked 1/3, 2013 at 22:17
2
Solved
Given n points in d-dimensional space, there are several data structures, such as Kd-Trees, Quadtrees, etc. to index the points. On these data structures it is possible to implement straight-forwar...
Simonetta asked 7/10, 2014 at 13:48
1
I am trying to estimate some spatial models in R using the data from a paper on spatial econometric models using cross-section time series data by Franzese & Hays (2007).
I focus on their resu...
3
Solved
I've got a system which basically has to do a query like this:
SELECT * FROM MyTable WHERE @parameter.STIntersects(MyGeometryColumn)
This is quite simple to do when using vanilla SQL parameters,...
Florineflorio asked 14/7, 2011 at 8:41
2
Solved
I am writing an application which has ca. 7000 european restaurants in the database and I want to show a list of the nearest ones to the user, for example all of them which are in a radius of 5km t...
2
I have what appears to be a correctly configured spatial layer and index and can successfully query a node using findGeometriesWithinDistance REST API call.
POST /db/data/ext/SpatialPlugin/graphdb...
1
Solved
I seek help on how to change font size and font color for sp.text labels on the attached map—to avoid overlapping of labels and to improve readability.
Map was produced as below. If needed, ...
1
Solved
I've got a shapefile (SpatialLinesDataFrame) containing all streets in cologne, which can be downloaded from here. I merged this @data with data from an external source. How can i plot these street...
3
I have database with spatial data types. I use database first model and entity framework 6.0.2 and .NET 4.5. When I am trying to use the generated classes I get following error:
Schema specified i...
Sidran asked 22/12, 2013 at 12:3
1
Managed to solve problem now
I have a set of around 50 thousand points that have coordinates and one value associated with them. I would like to be able to place points into a grid averaging the ...
1
Solved
I've found some related questions, but the author gave up and went ahead with using stored procedures to do the 'mapping'.
This is actually a continuation question from here
Model
public class S...
Renaterenato asked 25/6, 2014 at 10:0
1
Solved
I have a georeferenced event data set, in a data frame of the form:
LONGITUDE LATITUDE VAR1
33.4 4.4 5
33.4 4.4 3
33.4 4.4 1
30.4 4.2 2
28.4 5.1 2
It counts fatalities in events which are georef...
6
Solved
I was looking to explore the spatial capabilities of PostGIS or SQL Server 2008. Maybe Oracle as well.
I was wondering if there are any good tutorials out there exploring the spatial capabil...
Streamline asked 25/2, 2009 at 15:25
1
Solved
I have spent a great deal of time now trying to obtain edges from the scipy.spatial.Voronoi diagram to no avail. Here is the main documentation:
http://docs.scipy.org/doc/scipy-dev/reference/genera...
Prager asked 14/5, 2014 at 15:18
1
Solved
I have a SpatialPolygonsDataFrame that I plot using the following command:
spplot(milanoNILNew, "percPolVita",at = c(0,0.0696,0.08979,0.0974,0.1116,0.181),col.regions =pal,main="Quota Clienti Unip...
1
Solved
What is the difference, or intended purpose of these two object that represent the same Geography datatype in a Microsoft SQL Database?
System.Data.Entity.Spatial.DbGeography
and
Microsoft.SqlS...
Brainstorm asked 20/4, 2014 at 19:45
4
Solved
I have two GIS layers -- call them Soils and Parcels -- stored as SpatialPolygonsDataFrames (SPDFs), and I would like to "overlay" them, in the sense described here.
The result of the overlay oper...
1
Solved
I have ~400k points of interest that are stored in GEOGRAPHY spatial sql.
I will be querying these points with PointOfInterest.STDistance(@CentralPoint) < @Radius to find PointOfInterest's with...
Arteritis asked 15/4, 2014 at 9:44
2
I need to import the spatial data in shape file into MySQL tables. I am able to import into PostGreSQL. Any pointers for MySQL. I need the data in MySQL table.
1
Solved
I'have a SpatialPointsDataFrame load with
pst<-readOGR("/data_spatial/coast/","points_coast")
And I would like to get a SpatialLines in output, I have find somthing
coord<-as.data.frame...
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