NativeMapper¶

class ginga.canvas.coordmap.NativeMapper(viewer)[source]¶

Bases: ginga.canvas.coordmap.BaseMapper

A coordinate mapper that maps to the viewer’s canvas in the viewer’s canvas coordinates.

Methods Summary

`data_to`(data_pts[, viewer])
`offset_pt`(pts, offset)
`rotate_pt`(pts, theta, offset)
`to_data`(cvs_pts[, viewer])

Methods Documentation

data_to(data_pts, viewer=None)[source]¶

offset_pt(pts, offset)[source]¶

rotate_pt(pts, theta, offset)[source]¶

to_data(cvs_pts, viewer=None)[source]¶