commit
cebc292b59
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@ -166,6 +166,8 @@ class Flowchart(Node):
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n[oldName].rename(newName)
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def createNode(self, nodeType, name=None, pos=None):
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"""Create a new Node and add it to this flowchart.
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"""
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if name is None:
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n = 0
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while True:
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@ -179,6 +181,10 @@ class Flowchart(Node):
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return node
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def addNode(self, node, name, pos=None):
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"""Add an existing Node to this flowchart.
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See also: createNode()
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"""
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if pos is None:
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pos = [0, 0]
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if type(pos) in [QtCore.QPoint, QtCore.QPointF]:
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@ -189,13 +195,16 @@ class Flowchart(Node):
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self.viewBox.addItem(item)
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item.moveBy(*pos)
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self._nodes[name] = node
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self.widget().addNode(node)
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if node is not self.inputNode and node is not self.outputNode:
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self.widget().addNode(node)
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node.sigClosed.connect(self.nodeClosed)
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node.sigRenamed.connect(self.nodeRenamed)
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node.sigOutputChanged.connect(self.nodeOutputChanged)
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self.sigChartChanged.emit(self, 'add', node)
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def removeNode(self, node):
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"""Remove a Node from this flowchart.
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"""
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node.close()
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def nodeClosed(self, node):
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@ -233,7 +242,6 @@ class Flowchart(Node):
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term2 = self.internalTerminal(term2)
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term1.connectTo(term2)
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def process(self, **args):
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"""
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Process data through the flowchart, returning the output.
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@ -325,7 +333,6 @@ class Flowchart(Node):
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#print "DEPS:", deps
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## determine correct node-processing order
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#deps[self] = []
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order = fn.toposort(deps)
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#print "ORDER1:", order
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@ -349,7 +356,6 @@ class Flowchart(Node):
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if lastNode is None or ind > lastInd:
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lastNode = n
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lastInd = ind
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#tdeps[t] = lastNode
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if lastInd is not None:
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dels.append((lastInd+1, t))
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dels.sort(key=lambda a: a[0], reverse=True)
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@ -404,27 +410,25 @@ class Flowchart(Node):
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self.inputWasSet = False
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else:
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self.sigStateChanged.emit()
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def chartGraphicsItem(self):
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"""Return the graphicsItem which displays the internals of this flowchart.
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(graphicsItem() still returns the external-view item)"""
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#return self._chartGraphicsItem
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"""Return the graphicsItem that displays the internal nodes and
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connections of this flowchart.
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Note that the similar method `graphicsItem()` is inherited from Node
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and returns the *external* graphical representation of this flowchart."""
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return self.viewBox
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def widget(self):
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"""Return the control widget for this flowchart.
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This widget provides GUI access to the parameters for each node and a
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graphical representation of the flowchart.
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"""
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if self._widget is None:
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self._widget = FlowchartCtrlWidget(self)
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self.scene = self._widget.scene()
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self.viewBox = self._widget.viewBox()
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#self._scene = QtGui.QGraphicsScene()
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#self._widget.setScene(self._scene)
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#self.scene.addItem(self.chartGraphicsItem())
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#ci = self.chartGraphicsItem()
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#self.viewBox.addItem(ci)
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#self.viewBox.autoRange()
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return self._widget
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def listConnections(self):
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@ -437,10 +441,11 @@ class Flowchart(Node):
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return conn
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def saveState(self):
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"""Return a serializable data structure representing the current state of this flowchart.
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"""
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state = Node.saveState(self)
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state['nodes'] = []
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state['connects'] = []
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#state['terminals'] = self.saveTerminals()
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for name, node in self._nodes.items():
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cls = type(node)
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@ -460,6 +465,8 @@ class Flowchart(Node):
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return state
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def restoreState(self, state, clear=False):
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"""Restore the state of this flowchart from a previous call to `saveState()`.
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"""
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self.blockSignals(True)
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try:
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if clear:
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@ -469,7 +476,6 @@ class Flowchart(Node):
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nodes.sort(key=lambda a: a['pos'][0])
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for n in nodes:
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if n['name'] in self._nodes:
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#self._nodes[n['name']].graphicsItem().moveBy(*n['pos'])
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self._nodes[n['name']].restoreState(n['state'])
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continue
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try:
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@ -477,7 +483,6 @@ class Flowchart(Node):
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node.restoreState(n['state'])
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except:
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printExc("Error creating node %s: (continuing anyway)" % n['name'])
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#node.graphicsItem().moveBy(*n['pos'])
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self.inputNode.restoreState(state.get('inputNode', {}))
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self.outputNode.restoreState(state.get('outputNode', {}))
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@ -490,7 +495,6 @@ class Flowchart(Node):
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print(self._nodes[n1].terminals)
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print(self._nodes[n2].terminals)
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printExc("Error connecting terminals %s.%s - %s.%s:" % (n1, t1, n2, t2))
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finally:
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self.blockSignals(False)
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@ -498,48 +502,46 @@ class Flowchart(Node):
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self.sigChartLoaded.emit()
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self.outputChanged()
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self.sigStateChanged.emit()
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#self.sigOutputChanged.emit()
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def loadFile(self, fileName=None, startDir=None):
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"""Load a flowchart (*.fc) file.
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"""
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if fileName is None:
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if startDir is None:
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startDir = self.filePath
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if startDir is None:
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startDir = '.'
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self.fileDialog = FileDialog(None, "Load Flowchart..", startDir, "Flowchart (*.fc)")
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#self.fileDialog.setFileMode(QtGui.QFileDialog.AnyFile)
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#self.fileDialog.setAcceptMode(QtGui.QFileDialog.AcceptSave)
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self.fileDialog.show()
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self.fileDialog.fileSelected.connect(self.loadFile)
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return
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## NOTE: was previously using a real widget for the file dialog's parent, but this caused weird mouse event bugs..
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#fileName = QtGui.QFileDialog.getOpenFileName(None, "Load Flowchart..", startDir, "Flowchart (*.fc)")
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fileName = unicode(fileName)
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state = configfile.readConfigFile(fileName)
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self.restoreState(state, clear=True)
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self.viewBox.autoRange()
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#self.emit(QtCore.SIGNAL('fileLoaded'), fileName)
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self.sigFileLoaded.emit(fileName)
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def saveFile(self, fileName=None, startDir=None, suggestedFileName='flowchart.fc'):
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"""Save this flowchart to a .fc file
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"""
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if fileName is None:
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if startDir is None:
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startDir = self.filePath
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if startDir is None:
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startDir = '.'
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self.fileDialog = FileDialog(None, "Save Flowchart..", startDir, "Flowchart (*.fc)")
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#self.fileDialog.setFileMode(QtGui.QFileDialog.AnyFile)
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self.fileDialog.setAcceptMode(QtGui.QFileDialog.AcceptSave)
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#self.fileDialog.setDirectory(startDir)
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self.fileDialog.show()
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self.fileDialog.fileSelected.connect(self.saveFile)
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return
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#fileName = QtGui.QFileDialog.getSaveFileName(None, "Save Flowchart..", startDir, "Flowchart (*.fc)")
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fileName = unicode(fileName)
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configfile.writeConfigFile(self.saveState(), fileName)
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self.sigFileSaved.emit(fileName)
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def clear(self):
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"""Remove all nodes from this flowchart except the original input/output nodes.
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"""
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for n in list(self._nodes.values()):
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if n is self.inputNode or n is self.outputNode:
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continue
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@ -552,18 +554,15 @@ class Flowchart(Node):
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self.inputNode.clearTerminals()
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self.outputNode.clearTerminals()
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#class FlowchartGraphicsItem(QtGui.QGraphicsItem):
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class FlowchartGraphicsItem(GraphicsObject):
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def __init__(self, chart):
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#print "FlowchartGraphicsItem.__init__"
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#QtGui.QGraphicsItem.__init__(self)
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GraphicsObject.__init__(self)
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self.chart = chart ## chart is an instance of Flowchart()
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self.updateTerminals()
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def updateTerminals(self):
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#print "FlowchartGraphicsItem.updateTerminals"
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self.terminals = {}
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bounds = self.boundingRect()
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inp = self.chart.inputs()
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@ -759,6 +758,7 @@ class FlowchartCtrlWidget(QtGui.QWidget):
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item = self.items[node]
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self.ui.ctrlList.setCurrentItem(item)
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class FlowchartWidget(dockarea.DockArea):
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"""Includes the actual graphical flowchart and debugging interface"""
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def __init__(self, chart, ctrl):
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@ -189,31 +189,36 @@ class EvalNode(Node):
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self.ui = QtGui.QWidget()
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self.layout = QtGui.QGridLayout()
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#self.addInBtn = QtGui.QPushButton('+Input')
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#self.addOutBtn = QtGui.QPushButton('+Output')
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self.text = QtGui.QTextEdit()
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self.text.setTabStopWidth(30)
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self.text.setPlainText("# Access inputs as args['input_name']\nreturn {'output': None} ## one key per output terminal")
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#self.layout.addWidget(self.addInBtn, 0, 0)
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#self.layout.addWidget(self.addOutBtn, 0, 1)
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self.layout.addWidget(self.text, 1, 0, 1, 2)
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self.ui.setLayout(self.layout)
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#QtCore.QObject.connect(self.addInBtn, QtCore.SIGNAL('clicked()'), self.addInput)
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#self.addInBtn.clicked.connect(self.addInput)
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#QtCore.QObject.connect(self.addOutBtn, QtCore.SIGNAL('clicked()'), self.addOutput)
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#self.addOutBtn.clicked.connect(self.addOutput)
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self.text.focusOutEvent = self.focusOutEvent
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self.lastText = None
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def ctrlWidget(self):
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return self.ui
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#def addInput(self):
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#Node.addInput(self, 'input', renamable=True)
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def setCode(self, code):
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# unindent code; this allows nicer inline code specification when
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# calling this method.
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ind = []
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lines = code.split('\n')
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for line in lines:
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stripped = line.lstrip()
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if len(stripped) > 0:
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ind.append(len(line) - len(stripped))
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if len(ind) > 0:
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ind = min(ind)
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code = '\n'.join([line[ind:] for line in lines])
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#def addOutput(self):
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#Node.addOutput(self, 'output', renamable=True)
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self.text.clear()
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self.text.insertPlainText(code)
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def code(self):
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return self.text.toPlainText()
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def focusOutEvent(self, ev):
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text = str(self.text.toPlainText())
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@ -247,10 +252,10 @@ class EvalNode(Node):
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def restoreState(self, state):
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Node.restoreState(self, state)
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self.text.clear()
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self.text.insertPlainText(state['text'])
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self.setCode(state['text'])
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self.restoreTerminals(state['terminals'])
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self.update()
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class ColumnJoinNode(Node):
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"""Concatenates record arrays and/or adds new columns"""
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@ -354,3 +359,117 @@ class ColumnJoinNode(Node):
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self.update()
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class Mean(CtrlNode):
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"""Calculate the mean of an array across an axis.
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"""
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nodeName = 'Mean'
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uiTemplate = [
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('axis', 'intSpin', {'value': 0, 'min': -1, 'max': 1000000}),
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]
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def processData(self, data):
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s = self.stateGroup.state()
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ax = None if s['axis'] == -1 else s['axis']
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return data.mean(axis=ax)
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class Max(CtrlNode):
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"""Calculate the maximum of an array across an axis.
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"""
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nodeName = 'Max'
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uiTemplate = [
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('axis', 'intSpin', {'value': 0, 'min': -1, 'max': 1000000}),
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]
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def processData(self, data):
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s = self.stateGroup.state()
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ax = None if s['axis'] == -1 else s['axis']
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return data.max(axis=ax)
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class Min(CtrlNode):
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"""Calculate the minimum of an array across an axis.
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"""
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nodeName = 'Min'
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uiTemplate = [
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('axis', 'intSpin', {'value': 0, 'min': -1, 'max': 1000000}),
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]
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def processData(self, data):
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s = self.stateGroup.state()
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ax = None if s['axis'] == -1 else s['axis']
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return data.min(axis=ax)
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class Stdev(CtrlNode):
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"""Calculate the standard deviation of an array across an axis.
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"""
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nodeName = 'Stdev'
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uiTemplate = [
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('axis', 'intSpin', {'value': -0, 'min': -1, 'max': 1000000}),
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]
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def processData(self, data):
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s = self.stateGroup.state()
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ax = None if s['axis'] == -1 else s['axis']
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return data.std(axis=ax)
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class Index(CtrlNode):
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"""Select an index from an array axis.
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"""
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nodeName = 'Index'
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uiTemplate = [
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('axis', 'intSpin', {'value': 0, 'min': 0, 'max': 1000000}),
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('index', 'intSpin', {'value': 0, 'min': 0, 'max': 1000000}),
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]
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def processData(self, data):
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s = self.stateGroup.state()
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ax = s['axis']
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ind = s['index']
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if ax == 0:
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# allow support for non-ndarray sequence types
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return data[ind]
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else:
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return data.take(ind, axis=ax)
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class Slice(CtrlNode):
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"""Select a slice from an array axis.
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"""
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nodeName = 'Slice'
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uiTemplate = [
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('axis', 'intSpin', {'value': 0, 'min': 0, 'max': 1e6}),
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('start', 'intSpin', {'value': 0, 'min': -1e6, 'max': 1e6}),
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('stop', 'intSpin', {'value': -1, 'min': -1e6, 'max': 1e6}),
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('step', 'intSpin', {'value': 1, 'min': -1e6, 'max': 1e6}),
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]
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def processData(self, data):
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s = self.stateGroup.state()
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ax = s['axis']
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start = s['start']
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stop = s['stop']
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step = s['step']
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if ax == 0:
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# allow support for non-ndarray sequence types
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return data[start:stop:step]
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else:
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sl = [slice(None) for i in range(data.ndim)]
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sl[ax] = slice(start, stop, step)
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return data[sl]
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class AsType(CtrlNode):
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"""Convert an array to a different dtype.
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"""
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nodeName = 'AsType'
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uiTemplate = [
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('dtype', 'combo', {'values': ['float', 'int', 'float32', 'float64', 'float128', 'int8', 'int16', 'int32', 'int64', 'uint8', 'uint16', 'uint32', 'uint64'], 'index': 0}),
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]
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def processData(self, data):
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s = self.stateGroup.state()
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return data.astype(s['dtype'])
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@ -38,7 +38,7 @@ class Bessel(CtrlNode):
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nodeName = 'BesselFilter'
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uiTemplate = [
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('band', 'combo', {'values': ['lowpass', 'highpass'], 'index': 0}),
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('cutoff', 'spin', {'value': 1000., 'step': 1, 'dec': True, 'range': [0.0, None], 'suffix': 'Hz', 'siPrefix': True}),
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('cutoff', 'spin', {'value': 1000., 'step': 1, 'dec': True, 'bounds': [0.0, None], 'suffix': 'Hz', 'siPrefix': True}),
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('order', 'intSpin', {'value': 4, 'min': 1, 'max': 16}),
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('bidir', 'check', {'checked': True})
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]
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@ -57,10 +57,10 @@ class Butterworth(CtrlNode):
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nodeName = 'ButterworthFilter'
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uiTemplate = [
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('band', 'combo', {'values': ['lowpass', 'highpass'], 'index': 0}),
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('wPass', 'spin', {'value': 1000., 'step': 1, 'dec': True, 'range': [0.0, None], 'suffix': 'Hz', 'siPrefix': True}),
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('wStop', 'spin', {'value': 2000., 'step': 1, 'dec': True, 'range': [0.0, None], 'suffix': 'Hz', 'siPrefix': True}),
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('gPass', 'spin', {'value': 2.0, 'step': 1, 'dec': True, 'range': [0.0, None], 'suffix': 'dB', 'siPrefix': True}),
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('gStop', 'spin', {'value': 20.0, 'step': 1, 'dec': True, 'range': [0.0, None], 'suffix': 'dB', 'siPrefix': True}),
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('wPass', 'spin', {'value': 1000., 'step': 1, 'dec': True, 'bounds': [0.0, None], 'suffix': 'Hz', 'siPrefix': True}),
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('wStop', 'spin', {'value': 2000., 'step': 1, 'dec': True, 'bounds': [0.0, None], 'suffix': 'Hz', 'siPrefix': True}),
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('gPass', 'spin', {'value': 2.0, 'step': 1, 'dec': True, 'bounds': [0.0, None], 'suffix': 'dB', 'siPrefix': True}),
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('gStop', 'spin', {'value': 20.0, 'step': 1, 'dec': True, 'bounds': [0.0, None], 'suffix': 'dB', 'siPrefix': True}),
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('bidir', 'check', {'checked': True})
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]
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@ -78,14 +78,14 @@ class ButterworthNotch(CtrlNode):
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"""Butterworth notch filter"""
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nodeName = 'ButterworthNotchFilter'
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uiTemplate = [
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('low_wPass', 'spin', {'value': 1000., 'step': 1, 'dec': True, 'range': [0.0, None], 'suffix': 'Hz', 'siPrefix': True}),
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('low_wStop', 'spin', {'value': 2000., 'step': 1, 'dec': True, 'range': [0.0, None], 'suffix': 'Hz', 'siPrefix': True}),
|
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('low_gPass', 'spin', {'value': 2.0, 'step': 1, 'dec': True, 'range': [0.0, None], 'suffix': 'dB', 'siPrefix': True}),
|
||||
('low_gStop', 'spin', {'value': 20.0, 'step': 1, 'dec': True, 'range': [0.0, None], 'suffix': 'dB', 'siPrefix': True}),
|
||||
('high_wPass', 'spin', {'value': 3000., 'step': 1, 'dec': True, 'range': [0.0, None], 'suffix': 'Hz', 'siPrefix': True}),
|
||||
('high_wStop', 'spin', {'value': 4000., 'step': 1, 'dec': True, 'range': [0.0, None], 'suffix': 'Hz', 'siPrefix': True}),
|
||||
('high_gPass', 'spin', {'value': 2.0, 'step': 1, 'dec': True, 'range': [0.0, None], 'suffix': 'dB', 'siPrefix': True}),
|
||||
('high_gStop', 'spin', {'value': 20.0, 'step': 1, 'dec': True, 'range': [0.0, None], 'suffix': 'dB', 'siPrefix': True}),
|
||||
('low_wPass', 'spin', {'value': 1000., 'step': 1, 'dec': True, 'bounds': [0.0, None], 'suffix': 'Hz', 'siPrefix': True}),
|
||||
('low_wStop', 'spin', {'value': 2000., 'step': 1, 'dec': True, 'bounds': [0.0, None], 'suffix': 'Hz', 'siPrefix': True}),
|
||||
('low_gPass', 'spin', {'value': 2.0, 'step': 1, 'dec': True, 'bounds': [0.0, None], 'suffix': 'dB', 'siPrefix': True}),
|
||||
('low_gStop', 'spin', {'value': 20.0, 'step': 1, 'dec': True, 'bounds': [0.0, None], 'suffix': 'dB', 'siPrefix': True}),
|
||||
('high_wPass', 'spin', {'value': 3000., 'step': 1, 'dec': True, 'bounds': [0.0, None], 'suffix': 'Hz', 'siPrefix': True}),
|
||||
('high_wStop', 'spin', {'value': 4000., 'step': 1, 'dec': True, 'bounds': [0.0, None], 'suffix': 'Hz', 'siPrefix': True}),
|
||||
('high_gPass', 'spin', {'value': 2.0, 'step': 1, 'dec': True, 'bounds': [0.0, None], 'suffix': 'dB', 'siPrefix': True}),
|
||||
('high_gStop', 'spin', {'value': 20.0, 'step': 1, 'dec': True, 'bounds': [0.0, None], 'suffix': 'dB', 'siPrefix': True}),
|
||||
('bidir', 'check', {'checked': True})
|
||||
]
|
||||
|
||||
|
@ -160,19 +160,13 @@ class Gaussian(CtrlNode):
|
|||
|
||||
@metaArrayWrapper
|
||||
def processData(self, data):
|
||||
sigma = self.ctrls['sigma'].value()
|
||||
try:
|
||||
import scipy.ndimage
|
||||
return scipy.ndimage.gaussian_filter(data, sigma)
|
||||
except ImportError:
|
||||
raise Exception("GaussianFilter node requires the package scipy.ndimage.")
|
||||
return pgfn.gaussianFilter(data, sigma)
|
||||
|
||||
if hasattr(data, 'implements') and data.implements('MetaArray'):
|
||||
info = data.infoCopy()
|
||||
filt = pgfn.gaussianFilter(data.asarray(), self.ctrls['sigma'].value())
|
||||
if 'values' in info[0]:
|
||||
info[0]['values'] = info[0]['values'][:filt.shape[0]]
|
||||
return metaarray.MetaArray(filt, info=info)
|
||||
else:
|
||||
return pgfn.gaussianFilter(data, self.ctrls['sigma'].value())
|
||||
|
||||
class Derivative(CtrlNode):
|
||||
"""Returns the pointwise derivative of the input"""
|
||||
|
|
|
@ -1,5 +1,7 @@
|
|||
# -*- coding: utf-8 -*-
|
||||
from ..Node import Node
|
||||
from .common import CtrlNode
|
||||
|
||||
|
||||
class UniOpNode(Node):
|
||||
"""Generic node for performing any operation like Out = In.fn()"""
|
||||
|
@ -13,11 +15,22 @@ class UniOpNode(Node):
|
|||
def process(self, **args):
|
||||
return {'Out': getattr(args['In'], self.fn)()}
|
||||
|
||||
class BinOpNode(Node):
|
||||
class BinOpNode(CtrlNode):
|
||||
"""Generic node for performing any operation like A.fn(B)"""
|
||||
|
||||
_dtypes = [
|
||||
'float64', 'float32', 'float16',
|
||||
'int64', 'int32', 'int16', 'int8',
|
||||
'uint64', 'uint32', 'uint16', 'uint8'
|
||||
]
|
||||
|
||||
uiTemplate = [
|
||||
('outputType', 'combo', {'values': ['no change', 'input A', 'input B'] + _dtypes , 'index': 0})
|
||||
]
|
||||
|
||||
def __init__(self, name, fn):
|
||||
self.fn = fn
|
||||
Node.__init__(self, name, terminals={
|
||||
CtrlNode.__init__(self, name, terminals={
|
||||
'A': {'io': 'in'},
|
||||
'B': {'io': 'in'},
|
||||
'Out': {'io': 'out', 'bypass': 'A'}
|
||||
|
@ -36,6 +49,18 @@ class BinOpNode(Node):
|
|||
out = fn(args['B'])
|
||||
if out is NotImplemented:
|
||||
raise Exception("Operation %s not implemented between %s and %s" % (fn, str(type(args['A'])), str(type(args['B']))))
|
||||
|
||||
# Coerce dtype if requested
|
||||
typ = self.stateGroup.state()['outputType']
|
||||
if typ == 'no change':
|
||||
pass
|
||||
elif typ == 'input A':
|
||||
out = out.astype(args['A'].dtype)
|
||||
elif typ == 'input B':
|
||||
out = out.astype(args['B'].dtype)
|
||||
else:
|
||||
out = out.astype(typ)
|
||||
|
||||
#print " ", fn, out
|
||||
return {'Out': out}
|
||||
|
||||
|
@ -71,4 +96,10 @@ class DivideNode(BinOpNode):
|
|||
# try truediv first, followed by div
|
||||
BinOpNode.__init__(self, name, ('__truediv__', '__div__'))
|
||||
|
||||
class FloorDivideNode(BinOpNode):
|
||||
"""Returns A // B. Does not check input types."""
|
||||
nodeName = 'FloorDivide'
|
||||
def __init__(self, name):
|
||||
BinOpNode.__init__(self, name, '__floordiv__')
|
||||
|
||||
|
||||
|
|
|
@ -30,6 +30,11 @@ def generateUi(opts):
|
|||
k, t, o = opt
|
||||
else:
|
||||
raise Exception("Widget specification must be (name, type) or (name, type, {opts})")
|
||||
|
||||
## clean out these options so they don't get sent to SpinBox
|
||||
hidden = o.pop('hidden', False)
|
||||
tip = o.pop('tip', None)
|
||||
|
||||
if t == 'intSpin':
|
||||
w = QtGui.QSpinBox()
|
||||
if 'max' in o:
|
||||
|
@ -63,11 +68,12 @@ def generateUi(opts):
|
|||
w = ColorButton()
|
||||
else:
|
||||
raise Exception("Unknown widget type '%s'" % str(t))
|
||||
if 'tip' in o:
|
||||
w.setToolTip(o['tip'])
|
||||
|
||||
if tip is not None:
|
||||
w.setToolTip(tip)
|
||||
w.setObjectName(k)
|
||||
l.addRow(k, w)
|
||||
if o.get('hidden', False):
|
||||
if hidden:
|
||||
w.hide()
|
||||
label = l.labelForField(w)
|
||||
label.hide()
|
||||
|
|
Loading…
Reference in New Issue
Block a user