/usr/lib/python2.7/dist-packages/ginga/mplw/ipg.py is in python-ginga 2.6.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | import matplotlib.pyplot as plt
import matplotlib.patches as patches
import numpy as np
from ginga.mplw.ImageViewCanvasMpl import ImageViewCanvas
from ginga.misc import log
from ginga.AstroImage import AstroImage
from ginga import cmap
# add matplotlib colormaps to ginga's own set
cmap.add_matplotlib_cmaps()
## from IPython.display import Image
## from io import BytesIO
class CustomMplViewer(ImageViewCanvas):
def get_nb_image(self):
return Image(data=bytes(self.get_rgb_image_as_bytes(format='png')),
format='png', embed=True)
def load(self, filepath):
image = AstroImage(logger=self.logger)
image.load_file(filepath)
self.set_image(image)
def show(self):
self.figure.show()
def add_canvas(self, tag=None):
# add a canvas to the view
DrawingCanvas = self.getDrawClass('drawingcanvas')
canvas = DrawingCanvas()
# enable drawing on the canvas
canvas.enable_draw(True)
canvas.enable_edit(True)
canvas.ui_setActive(True)
canvas.set_surface(self)
# add the canvas to the view.
self.add(canvas, tag=tag)
return canvas
def get_viewer():
# Set to True to get diagnostic logging output
use_logger = False
logger = log.get_logger(null=not use_logger, log_stderr=True)
# create a regular matplotlib figure
fig = plt.figure()
# create a ginga object, initialize some defaults and
# tell it about the figure
viewer = CustomMplViewer(logger)
viewer.enable_autocuts('on')
viewer.set_autocut_params('zscale')
viewer.set_figure(fig)
# enable all interactive ginga features
viewer.get_bindings().enable_all(True)
return viewer
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