All Questions
10
questions
2
votes
1
answer
400
views
Unable to dockerize a RStudio Shiny project, error with package rgdal
I am trying to dockerize a shiny project and am having getting an error when running the docker image:
Error: package or namespace load failed for ‘rgdal’ in dyn.load(file, DLLpath = DLLpath, ...):
...
- 49
0
votes
0
answers
174
views
Cannot open shapefile from inputfile with leaflet
I would like to do the task of:
input a shapefile from my computer
open it with leaflet or mapview.
But I am getting the message "Warning: Error in ogrListLayers: Cannot open data source"
...
- 146
0
votes
0
answers
160
views
Loading rgdal library on shinyapps.io fails
I am trying to deploy an R shiny webapp to their hosted services shinyapps. This app works with geojson data in the form of spatial polygons. The app does work fine locally. When I deploy it, ...
- 1
0
votes
1
answer
579
views
Shinyapp.io cannot load rgdal package
I have a shiny app that is working locally, that loads several packages, including rgdal, which is installed locally on my MacOS. When I deploy it on shinyapp.io server it seems like the server cannot ...
- 279
0
votes
3
answers
1k
views
Reactive reading and rendering a shapefile
my purpose is to render a reactive map through Shiny + Leaflet: I want to use two overlapped layers, "confini.comuni.WGS84" and "confini.asl.WGS84", on which to draw a reactive layer.
Based on the ...
0
votes
0
answers
289
views
Filtering and Clustering SpatialPointDataFrame in a Shiny reactive not working
This reproducible code is based on the meuse dataset from the gstat package.
I'd like to be able to filter the dataset by x and y boundaries and subsequently cluster the data. However - I'm having a ...
- 1,689
0
votes
1
answer
544
views
Connect to Spatial SQL Tables from RStudio Connect Server
I have a shiny app which includes the following connection to a spatial table (containing data uploaded from an ESRI shapefile) in a SQL Server:
dsn <- paste0("MSSQL:server=host\\instance;",
...
- 393
3
votes
1
answer
3k
views
Select only one state in a map in a Shiny application
I have the following dataset:
library(rgdal)
library(leaflet)
tmp <- tempdir()
url <- "http://personal.tcu.edu/kylewalker/data/mexico.zip"
file <- basename(url)
download.file(url, file)
...
- 1,437
3
votes
2
answers
3k
views
reading geojson with readOGR
I am attempting to load some ggvis mapping code via this git: https://github.com/hrbrmstr/ggvis-maps
The code is returning errors on line 27 in the server file:
Warning: Error in ogrInfo: Cannot ...
- 175
1
vote
1
answer
284
views
Error from using SpatialPolygonDataFrame in a reactive function in shiny
I've been getting the error
Error in states() <- reactive({ : invalid (NULL) left side of assignment
when I create reactive functions that return objects with class SpatialPolygonsDataFrame in ...
- 1,888