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Laborde

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Classification

Cylindrical

Available forms

Forward and inverse, spherical and ellipsoidal

Defined area

Global, but more accurate around Madagascar

Alias

labrd

Domain

2D

Input type

Geodetic coordinates

Output type

Projected coordinates

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+Laborde +
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proj-string: +proj=labrd +lon_0=40 +lat_0=-10

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Parameters

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Required

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++lat_0=<value>
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Latitude of projection center. Must not be zero.

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Optional

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++azi=<value>
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Azimuth of the central line.

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Defaults to 0.0

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++lon_0=<value>
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Longitude of projection center.

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Defaults to 0.0.

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++R=<value>
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Radius of the sphere, given in meters. If used in conjunction with ++ellps, +R takes precedence.

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See Ellipsoid size parameters for more information.

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++x_0=<value>
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False easting.

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Defaults to 0.0.

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++y_0=<value>
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False northing.

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Defaults to 0.0.

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