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viewer.py
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viewer.py
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import platform
from fabio import edfimage
# Use NSURL as a workaround to pyside/Qt4 behaviour for dragging and dropping on OSx
op_sys = platform.system()
# if op_sys == 'Darwin':
# from Foundation import NSURL
import base
from PySide import QtGui
import os
import widgets
import numpy as np
from pipeline.spacegroups import spacegroupwidget
from pipeline import loader
class plugin(base.plugin):
name = 'Viewer'
def __init__(self, *args, **kwargs):
self.centerwidget = QtGui.QTabWidget()
self.centerwidget.currentChanged.connect(self.currentChanged)
self.centerwidget.setDocumentMode(True)
self.centerwidget.setTabsClosable(True)
self.centerwidget.tabCloseRequested.connect(self.tabCloseRequested)
self.bottomwidget = widgets.integrationwidget()
self.toolbar = widgets.toolbar.difftoolbar()
self.toolbar.connecttriggers(self.calibrate, self.centerfind, self.refinecenter, self.redrawcurrent,
self.redrawcurrent, self.remeshmode, self.linecut, self.vertcut,
self.horzcut, self.redrawcurrent, self.redrawcurrent, self.redrawcurrent,
self.roi, self.arccut, self.polymask, spacegroup=self.togglespacegroup,
capture=self.capture)
super(plugin, self).__init__(*args, **kwargs)
self.sigUpdateExperiment.connect(self.redrawcurrent)
self.sigUpdateExperiment.connect(self.replotcurrent)
self.sigUpdateExperiment.connect(self.invalidatecache)
self.booltoolbar.actionAdd.triggered.connect(self.addmode)
self.booltoolbar.actionSubtract.triggered.connect(self.subtractmode)
self.booltoolbar.actionAdd_with_coefficient.triggered.connect(self.addwithcoefmode)
self.booltoolbar.actionSubtract_with_coefficient.triggered.connect(self.subtractwithcoefmode)
self.booltoolbar.actionDivide.triggered.connect(self.dividemode)
self.booltoolbar.actionAverage.triggered.connect(self.averagemode)
self.spacegroupwidget = spacegroupwidget()
self.spacegroupwidget.sigDrawSGOverlay.connect(self.drawsgoverlay)
self.placeholders[1].addWidget(self.spacegroupwidget)
# DRAG-DROP
self.centerwidget.setAcceptDrops(True)
self.centerwidget.dragEnterEvent = self.dragEnterEvent
self.centerwidget.dropEvent = self.dropEvent
def dragEnterEvent(self, e):
print(e)
e.accept()
# if e.mimeData().hasFormat('text/plain'):
# e.accept()
# else:
# e.accept()
def dropEvent(self, e):
for url in e.mimeData().urls():
if op_sys == 'Darwin':
fname = str(NSURL.URLWithString_(str(url.toString())).filePathURL().path())
else:
fname = str(url.toLocalFile())
if os.path.isfile(fname):
print(fname)
self.openfiles([fname])
e.accept()
def drawsgoverlay(self, peakoverlay):
self.getCurrentTab().drawsgoverlay(peakoverlay)
def addmode(self):
"""
Launch a tab as an add operation
"""
operation = lambda m: np.sum(m, 0)
self.launchmultimode(operation, 'Addition')
def subtractmode(self):
"""
Launch a tab as an sub operation
"""
operation = lambda m: m[0] - np.sum(m[1:], 0)
self.launchmultimode(operation, 'Subtraction')
def addwithcoefmode(self):
"""
Launch a tab as an add with coef operation
"""
coef, ok = QtGui.QInputDialog.getDouble(self.ui, u'Enter scaling coefficient x (A+xB):', u'Enter coefficient')
if coef and ok:
operation = lambda m: m[0] + coef * np.sum(m[1:], 0)
self.launchmultimode(operation, 'Addition with coef (x=' + coef + ')')
def subtractwithcoefmode(self):
"""
Launch a tab as a sub with coef operation
"""
coef, ok = QtGui.QInputDialog.getDouble(None, u'Enter scaling coefficient x (A-xB):', u'Enter coefficient')
if coef and ok:
operation = lambda m: m[0] - coef * np.sum(m[1:], 0)
self.launchmultimode(operation, 'Subtraction with coef (x=' + str(coef))
def dividemode(self):
"""
Launch a tab as a div operation
"""
operation = lambda m: m[0] / m[1]
self.launchmultimode(operation, 'Division')
def averagemode(self):
"""
Launch a tab as an avg operation
"""
operation = lambda m: np.mean(m, 0)
self.launchmultimode(operation, 'Average')
def launchmultimode(self, operation, operationname):
"""
Launch a tab in multi-image operation mode
"""
self.openSelected(operation, operationname)
def tabCloseRequested(self, index):
self.centerwidget.widget(index).deleteLater()
def getCurrentTab(self):
if self.centerwidget.currentWidget() is None: return None
if not hasattr(self.centerwidget.currentWidget(),'widget'): return None
return self.centerwidget.currentWidget().widget
def calibrate(self):
self.getCurrentTab().calibrate()
def centerfind(self):
self.getCurrentTab().centerfind()
def refinecenter(self):
self.getCurrentTab().refinecenter()
def redrawcurrent(self):
currenttab = self.getCurrentTab()
if currenttab: self.getCurrentTab().redrawimage()
def remeshmode(self):
self.getCurrentTab().redrawimage()
self.getCurrentTab().replot()
def linecut(self):
self.getCurrentTab().linecut()
def vertcut(self):
self.getCurrentTab().verticalcut()
def horzcut(self):
self.getCurrentTab().horizontalcut()
def roi(self):
self.getCurrentTab().roi()
def arccut(self):
self.getCurrentTab().arccut()
def polymask(self):
self.getCurrentTab().polymask()
def currentChanged(self, index):
for tab in [self.centerwidget.widget(i) for i in range(self.centerwidget.count())]:
tab.unload()
self.centerwidget.currentWidget().load()
self.imagePropModel.widgetchanged()
def openfiles(self, paths=None, operation=None, operationname=None):
self.activate()
if type(paths) is not list:
paths = [paths]
widget = widgets.OOMTabItem(itemclass=widgets.dimgViewer, src=paths, operation=operation,
operationname=operationname, plotwidget=self.bottomwidget,
toolbar=self.toolbar)
self.centerwidget.addTab(widget, os.path.basename(paths[0]))
self.centerwidget.setCurrentWidget(widget)
def opendata(self, data=None, operation=None, operationname=None):
self.activate()
dimg = loader.diffimage(data=data)
widget = widgets.OOMTabItem(itemclass=widgets.dimgViewer, dimg=dimg, operation=operation,
operationname=operationname, plotwidget=self.bottomwidget,
toolbar=self.toolbar)
self.centerwidget.addTab(widget, 'Imported data')
self.centerwidget.setCurrentWidget(widget)
def currentImage(self):
return self.getCurrentTab()
def replotcurrent(self):
if self.getCurrentTab(): self.getCurrentTab().replot()
def invalidatecache(self):
if self.getCurrentTab(): self.getCurrentTab().dimg.invalidatecache()
def togglespacegroup(self):
if self.toolbar.actionSpaceGroup.isChecked():
self.placeholders[1].setCurrentWidget(self.spacegroupwidget)
else:
self.placeholders[1].setCurrentWidget(self.rightwidget)
def exportimage(self):
fabimg = edfimage.edfimage(np.rot90(self.getCurrentTab().imageitem.image))
dialog = QtGui.QFileDialog(parent=None, caption=u"Export image as EDF",
directory=unicode(os.path.dirname(self.getCurrentTab().paths[0])),
filter=u"EDF (*.edf)")
dialog.selectFile(unicode(os.path.dirname(self.getCurrentTab().paths[0])))
filename, ok = dialog.getSaveFileName()
if ok and filename:
fabimg.write(filename)
def capture(self):
self.getCurrentTab().capture()