python (65.1k questions)

javascript (44.2k questions)

reactjs (22.7k questions)

java (20.8k questions)

c# (17.4k questions)

html (16.3k questions)

r (13.7k questions)

android (12.9k questions)

Questions - sp

Converting the Coordinate Reference System (CRS) to Create a Spatial Dataframe using SpatialPoints() in the SP Package

Issue: I have a shapefile that I've imported into R and I selected the variables of interest for the analysis that I'm conducting. My ultimate aim is to interpolate the point data (dolphin IDs) to obt...
test-img

Alice Hobbs

r

gis

geospatial

spatial

sp

Votes: 0

Answers: 1

Latest Answer

#Read our shapefile using the function shapefile() from the raster package Points_shp <- shapefile(".", point_ID.shp") Check variable headers head(Points_shp) Select the variables ...
test-img

Alice Hobbs

How to SET NOCOUNT ON/OFF inside a Netezza stored procedure?

Based on NZ documentation, it seems NZSQL equivalent command NO_ROWCOUNT will suppress row count information. But how do I execute/apply it inside a NZ stored procedure? I've tried to create and execu...
test-img

Megat Shamsul

netezza

sp

rowcount

nzsql

Votes: 0

Answers: 0

generate lat-lon along a line shapefile

I have a road shapefile from the following location https://www.globio.info/download-grip-dataset I downloaded the shapefile for North America and subset the roads for Canada as follows: library(ras...
test-img

89_Simple

r

sf

sp

Votes: 0

Answers: 1

Latest Answer

Using st_sample works, but wasn't totally straightforward. The size of the road data makes it hard to work with in-memory. Below the road_canada object is simplified, uses only the geometry column, c...
test-img

mrhellmann

Mapview highlight SpatialLines upon hover

I want to highlight all lines going to a node/marker on a map in mapview. In the example code here, the nodes represent capital cities. Upon hovering on one of the cities, I would like all 4 lines goi...
test-img

ayasugihada

r

leaflet

sp

mapview

Votes: 0

Answers: 1

Latest Answer

library(mapview) mapviewOptions(fgb = FALSE) mapview(shp, highlight = leaflet::highlightOptions(color = "red", weight = 2, sendToBack = TRUE)) This works for me. See details in https://gith...
test-img

Dongdong Kong

Posts

Questions

Blogs

Jobs