cally in units of degrees east with a modulo of 360</dd>
<dt>AXISTYPE_LATITUDE</dt>
<dd>a latitude axis, typically in units of degrees north</dd>
<dt>AXISTYPE_LEVEL</dt>
<dd>a depth or altitude axis, where a depth axes becomes more positive at greater depths</dd>
<dt>AXISTYPE_TIME</dt>
<dd>a time axis. Each coordinates associated with this axis is an array of six values giving the year, month, day, hour, minute, and second.</dd>
<dt>AXISTYPE_CUSTOM</dt>
<dd>a custom axis. The axis has floating-point values 