[gui] Add RSM widget

darfix/gui/rsmWidget.py

+# coding: utf-8
+# /*##########################################################################
+#
+# Copyright (c) 2016-2017 European Synchrotron Radiation Facility
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+# ###########################################################################*/
+
+
+__authors__ = ["J. Garriga"]
+__license__ = "MIT"
+__date__ = "27/05/2021"
+
+from matplotlib.colors import hsv_to_rgb
+import numpy
+
+from silx.gui import qt
+from silx.gui.colors import Colormap
+from silx.gui.plot import Plot2D
+from silx.utils.enum import Enum as _Enum
+
+import darfix
+from .operationThread import OperationThread
+
+
+class RSMWidget(qt.QMainWindow):
+    """
+    Widget to apply PCA to a set of images and plot the eigenvalues found.
+    """
+    sigComputed = qt.Signal()
+
+    def __init__(self, parent=None):
+        qt.QWidget.__init__(self, parent)
+
+        self._plotWidget = Plot2D()
+        
+        self.setCentralWidget(self._plotWidget)
+
+    def setDataset(self, dataset, indices=None, bg_indices=None, bg_dataset=None):
+        """
+        Dataset setter.
+
+        :param Dataset dataset: dataset
+        """
+        self.dataset = dataset
+        self.indices = indices
+        self.bg_indices = bg_indices
+        self.bg_dataset = bg_dataset
+        self._thread = OperationThread(self, self.dataset.apply_moments)
+        self._thread.setArgs(self.indices)
+        self._thread.finished.connect(self._updateData)
+        self._thread.start()
+
+    def _updateData(self):
+        self._thread.finished.disconnect(self._updateData)
+        if self._thread.data is not None:
+            self._moments = self._thread.data
+            self._plotWidget.addImage(self._moments[0][0])
+        else:
+            print("\nComputation aborted")
+