/usr/share/pyshared/guiqwt/tests/imagesuperp.py is in python-guiqwt 2.1.6-1.
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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 | # -*- coding: utf-8 -*-
#
# Copyright © 2009-2010 CEA
# Pierre Raybaut
# Licensed under the terms of the CECILL License
# (see guiqwt/__init__.py for details)
"""Image superposition test"""
SHOW = True # Show test in GUI-based test launcher
import os.path as osp
from guiqwt.plot import ImageDialog
from guiqwt.tools import (RectangleTool, EllipseTool, PlaceAxesTool,
FreeFormTool)
from guiqwt.builder import make
import numpy as np
def create_window():
gridparam = make.gridparam(background="black", minor_enabled=(False, False),
major_style=(".", "gray", 1))
win = ImageDialog(edit=False, toolbar=True,
wintitle="Region of interest (ROI) test",
options=dict(gridparam=gridparam))
for toolklass in (RectangleTool, EllipseTool, FreeFormTool, PlaceAxesTool):
win.add_tool(toolklass)
return win
def test():
"""Test"""
# -- Create QApplication
import guidata
_app = guidata.qapplication()
# --
filename = osp.join(osp.dirname(__file__), "brain.png")
win = create_window()
image1 = make.image(filename=filename, title="Original",
alpha_mask=True, colormap='gray')
data2 = np.array(image1.data.T[200:], copy=True)
image2 = make.image(data2, title="Modified", alpha_mask=True)
plot = win.get_plot()
plot.add_item(image1, z=0)
plot.add_item(image2, z=1)
plot.set_items_readonly(False)
image2.set_readonly(True)
win.get_itemlist_panel().show()
win.show()
win.exec_()
if __name__ == "__main__":
test()
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