• Home
• Metric properties of maps
• Construction of a map projection
• Choosing a projection surface
• Orientation of the projection
• Scale
• Choosing a model for the shape of the Earth
• Classification
• Projections by surface
• Cylindrical
• Pseudocylindrical
• Hybrid
• Conical
• Pseudoconical
• Azimuthal (projections onto a plane)
• Projections by preservation of a metric property
• Conformal
• Equal-area
• Equidistant
• Gnomonic
• Retroazimuthal
• Compromise projections
• Other noteworthy projections

Gnomonic

Great circles are displayed at which time level lines:

• Gnomonic projection

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