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Version 1.9 Build 1488 |
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Package | general | |
Module | images | |
Tool | coordsys |
type | in | Coordinate type | |
Allowed: | String from 'direction', 'stokes', 'spectral', 'linear' or unset | ||
Default: | All |
Each axis associated with the Coordinate System has a unit. This function (short-hand name u) returns those units (in world axis order).
You can recover the units either for all coordinates (leave type unset) or for a specific coordinate type (mimumum match of the allowed types will do). If you ask for a non-existent coordinate an exception is generated.
You can set the units with function setunits.
- cs := coordsys(direction=T, spectral=T) - cs.units(T) ' ' Hz - - cs.units('spec') Hz