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I want to plot satellite tracking data. I previously did this by manually importing the country outlines and satellite data without using ggOceanMaps: However, I would like to use the basemap() ...
Australmat's user avatar
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0 votes
1 answer
95 views

I have the geoJson of this spatial data (Source: https://cartomad-ae-cirad.hub.arcgis.com/datasets/a761169493dd4cbfb2cab7d381cf2945_0/explore). The points that constitute each polygons of each ...
w41k4z's user avatar
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0 votes
0 answers
252 views

I'm asking about the estimation of direct, indirect, and total effects of spatial durbin panel data modeling. As far as I know, there is no direct package of doing the estimations. So I generate the ...
Chen Luo's user avatar
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1 vote
0 answers
116 views

I am using lagsarlm in spdep package in r to estimate a spatial Durbin (mixed) model by m1 <- lagsarlm(f, data = d, wlist, type = "mixed") where f is my designed model of dependent ...
Chenghao Duan's user avatar
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0 votes
1 answer
203 views

I have a netCDF file ("SSP119.nc") containing information on land-use change from 2015 to 2100, inclusive (source: https://luh.umd.edu/data.shtml). I also have a shapefile containing ...
Conor Ó Beoláin's user avatar
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0 votes
2 answers
903 views

I've recently run into this problem in pytorch when working with 4D tensors which should be indexed with 3D tensors. Let's say we have this 4D tensor: possible_values.size() torch.Size([2, 5, 5, 4]) ...
00sdf0's user avatar
  • 148
3 votes
1 answer
381 views

I have two .csv files of 3D points (numeric coordinate data) and associated attribute data (strings + numeric). I need to calculate the Euclidean distance between each point and every other point, and ...
COIh0rp's user avatar
  • 63
0 votes
1 answer
259 views

How to handle spatial data with abp.io framework (SQLServer and EF Core)? Any recommendations? I guess one can have NetTopologySuite in the Domain project, but it does not feel DDD correct to do so. ...
kungcc's user avatar
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1 vote
0 answers
1k views

I'm attempting to adapt a function written by a coworker, but I've hit a point where neither of us know how to solve the issue. Generally, the function reads in several different shapefiles kept in ...
kbill's user avatar
  • 11
0 votes
1 answer
660 views

I am in need of assistance, any guidance is greatly appreciated! My goal is to create a function that computes the spatial moving average of adjacent neighbors of a polygon shapefile utilizing the ...
affectionate_eye079's user avatar
  • 3
2 votes
0 answers
495 views

Here's the dataset which consists of X = 45 columns collected the data from bioclimate database. The multicollinearity test model - from statsmodels.stats.outliers_influence import ...
perth's user avatar
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2 answers
1k views

How do I calculate Euclidean distance in km from a spatial point that has been converted from a geometry column into a data frame. (The points are points which were derived from a spatial join of ...
William.G.K's user avatar
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0 answers
52 views

I'm trying to fill coordinate gaps in a data frame based on points randomly created within a reference area. In the original dataset, I have a column for lat and a column for long values, and the ...
Elisa's user avatar
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1 vote
2 answers
925 views

I'm trying to create a polygon that has longitudinal limits as 150, -170, i.e. crosses the 180 meridian dateline. I've tried: x = c(-170, -170, 150, 150) #long limits y = c(-25,-57,-57,-25) #lat ...
Elisa's user avatar
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0 votes
1 answer
95 views

I have a data set of whale sightings with some coordinate gaps but associated with areas of reference, of which I have coordinate limits. I've used these limits to create a polygon restricted to the ...
Elisa's user avatar
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0 votes
1 answer
249 views

i'm new in the R world and i'm trying to do a species distribution model, but when i plot my result, the points stay out from my map, i tried to change CRS but i didn't solve my problem, now i'll go ...
Ludovico's user avatar
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1 vote
0 answers
101 views

so I am having issues with a road network analysis I am conducting, which is aiamed to look at how far away each park entrance is from each postcode centroid in the London borough of Southwark. ...
hussain's user avatar
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1 vote
0 answers
99 views

I am trying to extract data from a line of points which are part of a 2D map that consists of 5,000–6,000 points. I used to be able to do this using the Point Profile Tool in ArcMap but am now looking ...
Nik's user avatar
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2 votes
1 answer
729 views

In the example below I would like to have only the label for Ghana in the tm_text("name") layer showing. Any idea how to do this? Thank you for your help. library(tmap) data("World"...
Ama Owusu-Darko's user avatar
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0 votes
0 answers
274 views

Using Mysql Connector and Python I am trying to pass the simplest form of spatial data (Point datatype) to my MySQL database. Using the mysql connector the 'execute' function in Option1 works whereas ...
alexberd's user avatar
  • 11
0 votes
1 answer
558 views

I am reviewing a paper on transportation mode to understand their methodology (this paper). At some stage, the authors computed the rate of bearing change between the points (GPS points), which ...
arilwan's user avatar
  • 4,103
7 votes
1 answer
11k views

I want to assess the degree of spatial proximity of each point to other equivalent points by looking at the number of others within 400m (5 minute walk). I have some points on a map. I can draw a ...
damo's user avatar
  • 473
2 votes
3 answers
5k views

I am trying to calculate bearing between two lat/lon points as given in this link. I see that the bearing we get initially using the below equation is initial bearing. public static double ...
Sree's user avatar
  • 991
0 votes
3 answers
1k views

I have an unordered set of 2D points which represents the corners of a building. I need to connect them to get the outline of the building. The points were obtained by combining different polygons ...
Nikhil Jose's user avatar
  • 1
2 votes
2 answers
172 views

I created a map using Tableau Desktop 2018.2.4, that works works well in the Desktop version of Tableau. However, when I try to publish the workbook to Tableau Server 10.2.3, I receive an error saying ...
lyly's user avatar
  • 31
1 vote
1 answer
6k views

I want to convert geometry to geography in SQL Server; I followed this article: https://blogs.msdn.microsoft.com/edkatibah/2008/08/19/working-with-invalid-data-and-the-sql-server-2008-geography-data-...
lyly's user avatar
  • 31
0 votes
1 answer
707 views

Updated from EF 5.0 to 6.2 (designer from database) and getting the error: Schema specified is not valid. Errors: The relationship 'CWPP.FK_Coordinates' was not loaded because the type 'CWPP....
Brian's user avatar
  • 126
3 votes
1 answer
14k views

I have a huge number of raster files and a polygon that is within the extent of the raster files. I want get the pixel number(count) for each raster files within the polygon. Additionally I want to ...
equastrian91's user avatar
  • 53
4 votes
2 answers
6k views

DECLARE @geographyData geography; //Convert wkt to geography SET @geographyData = geography::Parse('LINESTRING(-132.360 50.657, -120.340 47.659)'); //Convert back to wkt from geography (1) @...
Milan's user avatar
  • 179
41 votes
3 answers
27k views

Entity Framework Core does not support spatial data, which I need to use in my app. Can I use Entity Framework 6 in .net core? If so, how can I register DatabaseContext in Startup.cs?
kostik's user avatar
  • 703
0 votes
1 answer
621 views

I have a class Event with a property of the type DbGeography. public class Event { public long Id { get; set; } public DateTime Date { get; set; } public DbGeography Location { get; set; ...
kostik's user avatar
  • 703
2 votes
1 answer
584 views

I am trying to plot a data with (Lat, Lon) and a value in each location. What I need to do is to plot the data over a shapefile, represent each value with a different color, and smooth the values, so ...
Moe_D's user avatar
  • 73
0 votes
3 answers
1k views

I've got a GPS dataset with about 5600 rows of coordinates from 5 GPS devices ('nodes') over several days and I want to reduce the number of GPS points to just one point per hour. Because the number ...
sequoia's user avatar
  • 480
0 votes
0 answers
382 views

I'm trying to plot data to a shapefile in SSRS. I linked my SQL Server successfully and selected my Stored Procedure, but when I go to set my Spatial and Analytical Dataset Fields SSRS tells my ...
Luke Danger Kozorosky's user avatar
  • 226
2 votes
2 answers
1k views

I have two spatial objects, one is a spatial polygon object and the other one is a .csv file that I turned into a spatial points object. The first one is an official shape file from the chilean ...
csmontt's user avatar
  • 624
1 vote
2 answers
1k views

Gdal.AllRegister(); //为了支持中文路径，请添加下面这句代码 OSGeo.GDAL.Gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "NO"); //为了使属性表字段支持中文，请添加下面这句 OSGeo.GDAL.Gdal.SetConfigOption("...
dlsyaim's user avatar
  • 11
-1 votes
1 answer
290 views

I'm trying to figure out whether or not to use sqlite/spatialite on Android with only 29k rows. I just need to find the nearest locations from the user everytime they move outside 100 meters which ...
Jisike's user avatar
  • 393
0 votes
0 answers
133 views

I've been reading about Neo4j, and am currently experimenting with it in NodeJs. Are there any other note worthy graph or spatial databases that are better equip for coordinate based entities and ...
Matt Oaxaca's user avatar
  • 196
0 votes
0 answers
560 views

I'm trying to estimate an initial bandwidth value for kernel smoothing my data, calculating the Mean Square Errors (function "mse2d"), but got stuck with an error in a polygon implementation code in ...
Leila's user avatar
  • 1
1 vote
4 answers
283 views

Clustering algorithms usually take into account that what might be perceived as a reasonable cluster by a human being is ambiguous and the computed solution is supposed to generalize and predict well. ...
Raffael's user avatar
  • 20.1k
2 votes
1 answer
1k views

I would like to find out a Locality Sensitive Hashing algorithm in order to split my spatial data into a number of buckets(reducer tasks). The spatial data are actually trajectories so from my ...
Adam's user avatar
  • 1,028
2 votes
3 answers
833 views

I have a data set with about 700 000 entries, and each entry is a set of 3D coordinates with attributes such as name, timestamp, ID, and so on. Right now I'm just reading the coordinates and render ...
ael's user avatar
  • 61
2 votes
0 answers
187 views

Possible Duplicate: Sliding window function in R This might be a silly question, but I couldn't find an answer so far. I have a data frame like this: df <- data.frame(lat = (-10: 10), ...
matteo's user avatar
  • 655
1 vote
1 answer
1k views

I am editing the data set for a map report programmatically in VS 2010 by changing the dataset queries in a baseline report converted to xml, then displaying the new report, converted to .rdl in ...
jas's user avatar
  • 147
2 votes
1 answer
154 views

I have read some articles about using spatial optimized tables. Actually I use stored latitude and longitude as varchar comma-separated (lat;lng). Could you suggest the best way to perform this ...
user325558's user avatar
  • 1,433