POLAR ZENITHAL STEREOGRAPHIC PROJECTION || HOW TO CALCULATION AND DRAWING || কীভাবে অঙ্কন করব ?

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POLAR ZENITHAL STEREOGRAPHIC PROJECTION || HOW TO CALCULATION AND DRAWING || কীভাবে অঙ্কন করব তার পদ্ধতি
POLAR ZENITHAL STEREOGRAPHIC PROJECTION
PRINCIPLE
In this projection, 'a 2-dimensional plane of
projection touches the generating globe at eitheer
of the poles. It is a perspective projection, with the
Source of light lying at the pole diametrically opposite to one at which the projection plane plane touches the generating globe
Properties
i. Parallels are represented by concentric
circles of varying radii.
Inter-parallel spacing gradually increases
toward the equator.
ii. Meridians are straight lines radiating from the
poles at true azimuth apart.
iv. The direction between the two points is
ii.
maintained.
At any point, the radial scale is equal to the
tangential scale.
It is an orthomorphic projection, i.e., the
shape of a map is truly maintained.
vii. It is commonly used for the map of the world
in hemispheres.
1. pdf link
www.bhangarmah... › ...PDF
Polar Zenithal Stereographic Projection
2 me theqgeo.com/po...