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Spherical Cross-track Height

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Classification

Miscellaneous

Available forms

Forward and inverse.

Defined area

Global

Alias

sch

Domain

3D

Input type

3D coordinates

Output type

Projected coordinates

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proj-string: +proj=sch +plat_0=XX +plon_0=XX +phdg_0=XX

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The SCH coordinate system is a sensor aligned coordinate system developed at +JPL (Jet Propulsion Laboratory) for radar mapping missions.

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See [Hensley2002]

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Parameters

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Required

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++plat_0=<value>
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Peg latitude (in degree)

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++plon_0=<value>
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Peg longitude (in degree)

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++phdg_0=<value>
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Peg heading (in degree)

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Optional

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++h_0=<value>
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Average height (in metre)

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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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++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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++ellps=<value>
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The name of a built-in ellipsoid definition.

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See Ellipsoids for more information, or execute +proj -le for a list of built-in ellipsoid names.

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Defaults to “GRS80”.

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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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