equal-area azimuthal projections   (Tissot's Indicatrices with 30° graticule)
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equidistant azimuthal projections   (Tissot's Indicatrices with 30° graticule)
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conformal azimuthal projections   (Tissot's Indicatrices with 30° graticule)
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orthographic projections   (Tissot's Indicatrices with 30° graticule)
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gnomonic projections   (Tissot's Indicatrices with 30° graticule)
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