Chart projections, Mercator intro (29-05-18) Flashcards
1
Q
At what point is a chart 100% accurate?
A
At the point of tangency
2
Q
What is meant by a chart being orthomorphic/conformal?
A
Graticules intersect at 90 deg
Scale is correct or mathematically adjusted
3
Q
What kind of plotting can be done on a Mercator chart?
A
Rhumb line plotting
4
Q
How does the scale of a Mercator chart expand from the equator?
A
Rate of secant(lat)
5
Q
When comparing scales of charts what makes a scale smaller?
A
Being a bigger ratio
easier to compare when converted to a fraction
