def copy_selected(self, label=None):
"""Copy the selected versions and items to the clipboard"""
d = {}
items = self.tree.selectedItems()
if not items:
QMessageBox.warning(self, "No packages selected!",
"Please select packages in the tree!")
return
for item in items:
d[item.text(0)] = item.text(1)
if label is None:
label = QApplication.clipboard()
label.setText("\n".join(
'%s: %s' % t for t in d.items()))
self.info_label.setText('Packages copied to clipboard.')
self.timer.start(3000)
def reload_autosaved(self):
"""Reload the autosaved straditizer and close the old one"""
from straditize.straditizer import Straditizer
if not self.autosaved:
return
answer = QMessageBox.question(
self, 'Reload autosave',
'Shall I reload the last autosaved stage? This will close the '
'current figures.')
if answer == QMessageBox.Yes:
self.close_straditizer()
stradi = Straditizer.from_dataset(self.autosaved.pop(0))
self.menu_actions.finish_loading(stradi)
def about(self):
"""About the tool"""
versions = {
key: d['version']
for key, d in psyplot.get_versions(False).items()
}
versions.update(psyplot_gui.get_versions()['requirements'])
versions.update(psyplot._get_versions()['requirements'])
versions['github'] = 'https://github.com/psyplot/psyplot'
versions['author'] = psyplot.__author__
QMessageBox.about(
self, "About psyplot",
u"""<b>psyplot: Interactive data visualization with python</b>
<br>Copyright © 2017- Philipp Sommer
<br>Licensed under the terms of the GNU General Public License v2
(GPLv2)
<p>Created by %(author)s</p>
<p>Most of the icons come from the
<a href="https://www.iconfinder.com/"> iconfinder</a>.</p>
<p>For bug reports and feature requests, please go
to our <a href="%(github)s">Github website</a> or contact the
author via mail.</p>
<p>This package uses (besides others) the following packages:<br>
<ul>
<li>psyplot %(psyplot)s</li>
<li>Python %(python)s </li>
<li>numpy %(numpy)s</li>
<li>xarray %(xarray)s</li>
<li>pandas %(pandas)s</li>
<li>psyplot_gui %(psyplot_gui)s</li>
<li>Qt %(qt)s</li>
<li>PyQt %(pyqt)s</li>
<li>qtconsole %(qtconsole)s</li>
</ul></p>
<p>For a full list of requirements see the <em>dependencies</em>
in the <em>Help</em> menu.</p>
<p>This software is provided "as is", without warranty or support
of any kind.</p>""" % versions)
def about(self):
"""About the tool"""
versions = {
key: d['version'] for key, d in psyplot.get_versions(False).items()
}
versions.update(psyplot_gui.get_versions()['requirements'])
versions.update(psyplot._get_versions()['requirements'])
versions['github'] = 'https://github.com/Chilipp/psyplot'
versions['author'] = psyplot.__author__
QMessageBox.about(
self, "About psyplot",
u"""<b>psyplot: Interactive data visualization with python</b>
<br>Copyright © 2017- Philipp Sommer
<br>Licensed under the terms of the GNU General Public License v2
(GPLv2)
<p>Created by %(author)s</p>
<p>Most of the icons come from the
<a href="https://www.iconfinder.com/"> iconfinder</a>.</p>
<p>For bug reports and feature requests, please go
to our <a href="%(github)s">Github website</a> or contact the
author via mail.</p>
<p>This package uses (besides others) the following packages:<br>
<ul>
<li>psyplot %(psyplot)s</li>
<li>Python %(python)s </li>
<li>numpy %(numpy)s</li>
<li>xarray %(xarray)s</li>
<li>pandas %(pandas)s</li>
<li>psyplot_gui %(psyplot_gui)s</li>
<li>Qt %(qt)s</li>
<li>PyQt %(pyqt)s</li>
<li>qtconsole %(qtconsole)s</li>
</ul></p>
<p>For a full list of requirements see the <em>dependencies</em>
in the <em>Help</em> menu.</p>
<p>This software is provided "as is", without warranty or support
of any kind.</p>"""
% versions)
def rotate_image(self):
"""Rotate the image based on the specified :attr:`angle`"""
angle = self.angle
if angle is None:
return
sw = self.straditizer_widgets
answer = QMessageBox.Yes if sw.always_yes else QMessageBox.question(
self, 'Restart project?',
'This will close the straditizer and create new figures. '
'Are you sure, you want to continue?')
if answer == QMessageBox.Yes:
image = self.straditizer.image.rotate(angle, expand=True)
attrs = self.straditizer.attrs
self.straditizer_widgets.close_straditizer()
self.straditizer_widgets.menu_actions.open_straditizer(
image, attrs=attrs)
self._rotating = self._ha = self._va = False
def rescale(self, ask=None):
"""Rescale and start a new straditizer
Parameters
----------
ask: bool
Whether to ask with a QMessageBox. If None, it defaults to the
:attr:`straditize.widgets.StraditizerWidgers.always_yes`"""
if ask is None:
ask = not self.straditizer_widgets.always_yes
answer = QMessageBox.Yes if not ask else QMessageBox.question(
self, 'Restart project?',
'This will close the straditizer and create new figures. '
'Are you sure, you want to continue?')
if answer == QMessageBox.Yes:
image = self.resize_stradi_image(self.slider.val)
attrs = self.straditizer.attrs
self.straditizer_widgets.close_straditizer()
self.straditizer_widgets.menu_actions.open_straditizer(
image, attrs=attrs)
def open_straditizer(self, fname=None, *args, **kwargs):
"""Open a straditizer from an image or project file
Parameters
----------
fname: :class:`str`, :class:`PIL.Image.Image` or ``None``
The path to the file to import. If None, a QFileDialog is opened
and the user is asked for a file name. The action then depends on
the ending of ``fname``:
``'.nc'`` or ``'.nc4'``
we expect a netCDF file and open it with
:func:`xarray.open_dataset` and load the straditizer with the
:meth:`straditize.straditizer.Straditizer.from_dataset`
constructor
``'.pkl'``
We expect a pickle file and load the straditizer with
:func:`pickle.load`
any other ending
We expect an image file and use the :func:`PIL.Image.open`
function
At the end, the loading is finished with the :meth:`finish_loading`
method"""
from straditize.straditizer import Straditizer
if fname is None or (not isinstance(fname, six.string_types)
and np.ndim(fname) < 2):
fname = QFileDialog.getOpenFileName(
self.straditizer_widgets, 'Straditizer project',
self._dirname_to_use or self._start_directory,
'Projects and images '
'(*.nc *.nc4 *.pkl *.jpeg *.jpg *.pdf *.png *.raw *.rgba *.tif'
' *.tiff);;'
'NetCDF files (*.nc *.nc4);;'
'Pickle files (*.pkl);;'
'All images '
'(*.jpeg *.jpg *.pdf *.png *.raw *.rgba *.tif *.tiff);;'
'Joint Photographic Experts Group (*.jpeg *.jpg);;'
'Portable Document Format (*.pdf);;'
'Portable Network Graphics (*.png);;'
'Raw RGBA bitmap (*.raw *.rbga);;'
'Tagged Image File Format(*.tif *.tiff);;'
'All files (*)')
if with_qt5: # the filter is passed as well
fname = fname[0]
if not np.ndim(fname) and not fname:
return
elif np.ndim(fname) >= 2:
stradi = Straditizer(fname, *args, **kwargs)
elif fname.endswith('.nc') or fname.endswith('.nc4'):
import xarray as xr
ds = xr.open_dataset(fname)
stradi = Straditizer.from_dataset(ds.load(), *args, **kwargs)
stradi.set_attr('project_file', fname)
ds.close()
stradi.set_attr('loaded', str(dt.datetime.now()))
elif fname.endswith('.pkl'):
stradi = Straditizer.load(fname, *args, **kwargs)
stradi.set_attr('project_file', fname)
stradi.set_attr('loaded', str(dt.datetime.now()))
else:
from PIL import Image
with Image.open(fname) as _image:
image = Image.fromarray(np.array(_image.convert('RGBA')),
'RGBA')
w, h = image.size
im_size = w * h
if im_size > 20e6:
recom_frac = 17403188.0 / im_size
answer = (
QMessageBox.Yes if self.straditizer_widgets.always_yes else
QMessageBox.question(
self.straditizer_widgets, "Large straditizer image",
"This is a rather large image with %1.0f pixels. "
"Shall I reduce it to %1.0f%% of it's size for a "
"better interactive experience?<br>"
"If not, you can rescale it via<br><br>"
"Transform source image → Rescale image" %
(im_size, 100. * recom_frac)))
if answer == QMessageBox.Yes:
image = image.resize((int(round(w * recom_frac)),
int(round(h * recom_frac))))
stradi = Straditizer(image, *args, **kwargs)
stradi.set_attr('image_file', fname)
self.finish_loading(stradi)
self._dirname_to_use = None