What is the main use of an oblique Mercator chart?
The Oblique Mercator projection is used for geographic regions that are centered along lines that are neither meridians nor parallels, but that may be taken as great circle routes passing through the region, such as the Alaskan panhandle.
What is oblique cylindrical projection?
An oblique cylindrical projection. Less than half of the actual map projection is displayed here. As with the transverse cylindrical map projection, the oblique cylindrical map projection wraps around the earth using a great circle other than the equator and only one hemisphere is usually displayed.
What is oblique drawing?
Oblique drawing is a drawing in which the front view of the object is drawn to the correct size, and its side surfaces are drawn at an angle to give a pictorial appearance. An oblique drawing can show an accurate front view of the object without distortion.
What is the Mercator projection best used for?
This projection is widely used for navigation charts, because any straight line on a Mercator projection map is a line of constant true bearing that enables a navigator to plot a straight-line course.
What is misleading about a Mercator projection?
The popular Mercator projection distorts the relative size of landmasses, exaggerating the size of land near the poles as compared to areas near the equator. This map shows that in reality, Brazil is almost as large as Canada, even though it appears to be much smaller on Mercator maps.
What is bad about the Mercator projection?
What are the 3 types of oblique drawing?
Main Types of Oblique Projections
- Cavalier: Angle between projectors and projection plane is 45o. Perpendicular faces are projected at full scale.
- Cabinet: Angle between projectors and projection plane is arctan(2) = 63.4o. Perpendicular faces are projected at 50% scale.