#### Description:

This attribute specifies the largest legal index for a PV projection parameter attached to a specified axis of the WcsMap (i.e. the largest legal value for `"` m`"` when accessing the `"` ??m

`"` attribute). The axis index is specified by i, and should be in the range 1 to 99. The value for each axis is determined by the projection type specified when the WcsMap is first created using astWcsMap and cannot subsequently be changed.

Type:

  Integer, read-only.

#### Applicability

##### WcsMap

All WcsMaps have this attribute.
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