Questions about spatial-data
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How to Calculate Euclidean distance from sf data frame points in R
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 spat...
William.G.K
Votes: 0
Answers: 2
Can I create a SpatialPoints object from a variable with NAs?//How to make lat and long variables with NAs compatible with SpatialPoints?
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 poin...
Elisa
Votes: 0
Answers: 0
How to create a polygon/combine polygons that cross the 180 meridian dateline
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 limi...
Elisa
Votes: 0
Answers: 1
How to fill data gaps with random coordinates from a polygon?
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 m...
Elisa
Votes: 0
Answers: 1