View source for Template:Angle Convention

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===Angle Convention===
This tool creates a new scalar dataset that represents the direction component of a vector quantity from an existing representation of that vector direction. The tool converts between angle conventions, converting from the existing angle convention to another angle convention . 

Definitions:
*The meteorological direction is defined as the direction FROM. The origin (0.0) indicates the direction is coming from North. It increases clockwise from North (viewed from above). This is most commonly used for wind direction.
*The oceanographic direction is defined as the direction TO. The origin (0.0) indicates the direction is going to the North. It increases clockwise (like a bearing) so 45 degrees indicates a direction heading towards the North East. 
*The Cartesian direction is defined by the Cartesian coordinate axes as a direction TO.  East, or the positive X axis, defines the zero direction. It increases in a counter clockwise direction or righthand rule. 45 degrees indicates a direction heading to the North East and 90 degrees indicates a direction heading to the North.

The tool has the following options:
====Input Parameters===
*''Input scalar dataset'' &ndash; Select the scalar dataset that will be the input.
*''Input angle convention'' &ndash; Select the type of angle convention used in the input scalar dataset.
**"Cartesian" &ndash; Specifies that the input dataset uses a Cartesian angle convention.
**"Meteorologic" &ndash; Specifies that the input dataset uses a Meteorological angle convention. 
**"Oceanographic" &ndash; Specifies that the input dataset uses an Oceanographic angle convention. 
====Output Parameters====
*''Output angle convention'' &ndash; Select the angle convention for the new dataset.
**"Cartesian" &ndash; Sets that the output dataset will use a Cartesian angle convention.
**"Meteorologic" &ndash; Sets that the output dataset will use a Meteorological angle convention.
**"Oceanographic" &ndash; Sets that the output dataset will use an Oceanographic angle convention.
*''Output dataset name'' &ndash; Enter the name for the new dataset.
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<noinclude>[[Category:Tools]]</noinclude>