MicroStation CONNECT Edition Help

Orthographic

Name Orthographic
Model Azimuthal
Type n/a
Meridians Polar: Straight lines radiating from point of tangency

Oblique: Ellipses concave toward the center of the projection

Equatorial: Ellipses concave toward the straight central meridian

Parallels Polar: Concentric circles

Oblique: Ellipses concave toward the poles

Equatorial: straight and parallel

Spacing Meridian Polar: Equal and increases

Oblique: Decreases from the center of the projection

Equatorial: Decreases from the center of the projection

Spacing Parallels Polar: Decreases from point of tangency

Oblique: Decreases from the center of the projection

Equatorial: Decreases from the center of the projection

Linear Scale Polar: True on parallels

All: On all circles centered on pole

Scale decreases along lines radiating from center of projection

Specialties Earth appears as it would from outer space

Truly graphical representation of the earth

Distortion becomes a visual aid

Most familiar of the Azimuthal projections

Uses Earth from outer space
Example