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