WorksheetsGeospatial concepts 02 - coordinate systems
Total questions: 8
Worksheet time: 4mins
Which of the following is true of the UTM coordinate system?
Units are meters
Projection is transverse mercator
All coordinates are positive numbers
Zones are aligned along lines of contact and run east-west
They are all true
Which of the following is an example of non-lossy compression approach to files?
TIFF
JPEG
GIF
Mr.Sid
All are lossy
What component of the coordinate system definition tells us which ellipsoid is used?
(a)
The model of Earth is, strictly speaking, the same as the projection
What is the resolution of this raster grid?
(a)
Which of the following snippets of code will project myfeature to crs 4326?
st_crs(myfeature) <- 4326
myfeature <- st_crs(4326)
myfeature <-st_project(myfeature, 4326)
myfeature <-st_transform(myfeature, 4326)
Under what condition can you project myfeature to EPSG 4326? (More answers are possible)
myfeature crs is defined as different than 4326
myfeature crs is not defined
myfeature crs is defined as "NA"
myfeature coordinate system is defined with a valid EPSG
In an ordered pair of angular coordinates, what should the first number represent?
The latitude
The vertical distance from the origin.
The longitude
The origin.
