adding code so far

.gitignore

+*.pyc

pykat/__init__.py

+#
\ No newline at end of file

pykat/colours.py

+# -*- coding: utf-8 -*-
+"""
+Created on Mon Jan 28 10:43:18 2013
+
+@author: Daniel
+"""
+
+class colours:
+    HEADER = '\033[95m'
+    OKBLUE = '\033[94m'
+    OKGREEN = '\033[92m'
+    WARNING = '\033[93m'
+    FAIL = '\033[91m'
+    ENDC = '\033[0m'
+
+    def disable(self):
+        self.HEADER = ''
+        self.OKBLUE = ''
+        self.OKGREEN = ''
+        self.WARNING = ''
+        self.FAIL = ''
+        self.ENDC = ''
\ No newline at end of file

pykat/commands.py

+# -*- coding: utf-8 -*-
+"""
+Created on Mon Jan 28 11:58:09 2013
+
+@author: Daniel
+"""
+import numpy
+from numpy import min,max
+import exceptions
+from components import *
+from structs import *
+
+class Command:
+    def getFinesseText(self):
+        """ Base class for individual finesse optical components """    
+        raise NotImplementedError("This function is not implemented")
+        
+class xaxis(Command):
+    
+    def __init__(self, kat, scale, limits, comp, param, steps):
+        
+        if scale != Scale.linear and scale != Scale.logarithmic:
+            raise exceptions.ValueError("scale is not Scale.linear or Scale.logarithmic")            
+            
+        self.scale = scale
+        
+        if numpy.size(limits) != 2 :
+            raise exceptions.ValueError("limits input should be a 2x1 vector of limits for the xaxis")
+            
+        self.limits = limits
+        
+        if steps <= 0 :
+            raise exceptions.ValueError("steps value should be > 0")            
+            
+        self.steps = steps
+        
+        if not isinstance(comp, Component):
+            raise exceptions.ValueError("comp is not a Component")
+            
+        self.__comp = comp
+        
+        if not isinstance(param, Param) :
+            raise exceptions.ValueError("param argument is not of type Param")
+                
+        self._param = param
+        
+        kat.add(self)
+        
+    def getFinesseText(self):
+        
+        return 'xaxis {0} {1} {2} {3} {4} {5}'.format(
+                self.__comp.name, self._param.name, self.scale,
+                min(self.limits), max(self.limits), self.steps);
+                
+        
\ No newline at end of file

pykat/components.py

+# -*- coding: utf-8 -*-
+"""
+Created on Mon Jan 28 11:10:01 2013
+
+@author: Daniel
+"""
+import exceptions
+import pykat.gui.resources
+import pykat
+
+from pykat.gui.graphics import *
+from pykat.node_network import *
+from PyQt4.QtGui import *
+from PyQt4.Qt import *
+
+class Component() :
+    def __init__(self, name, kat):
+        self.__name = name
+        self._svgItem = None
+        self.__nodes = []
+        self._kat = kat
+        
+        if not isinstance(kat,pykat.finesse.kat):
+            raise exceptions.ValueError("kat argument is not a pykat.finesse.kat object")
+            
+        kat.add(self)
+        
+    def getFinesseText(self):
+        """ Base class for individual finesse optical components """    
+        raise NotImplementedError("This function is not implemented")
+        
+    def getQGraphicsItem(self):    
+        return None      
+        
+    def _addNode(self, name):
+        """ Adds a node in sequential order to the component, i.e. add them
+        n1, n2, n3, n4... etc. by the name of the node"""
+            
+        n = self._kat.nodes.createNode(name)
+        
+        if n == None:
+            raise exceptions.RuntimeError("getNode did not return a node for '{0}'".format(name))
+        else:
+            n.connect(self)    
+            self.__nodes.append(n)
+        
+        return n
+        
+    def getNodes(self):
+        """ Returns a copy of the nodes the component has """
+        return self.__nodes[:]        
+            
+    def __getname(self):
+        return self.__name      
+        
+    name = property(__getname)
+    
+class Param:
+    def __init__(self,name,value):
+        self.value = value
+        self.__name = name
+    
+    def getname(self):
+        return self.__name
+        
+    name = property(getname)
+            
+   
+class mirror(Component):
+    def __init__(self,kat,name,node1,node2,R=0,T=0,phi=0,Rcx=0,Rcy=0,xbeta=0,ybeta=0):
+        
+        Component.__init__(self,name,kat)
+        
+        self.node1 = self._addNode(node1)
+        self.node2 = self._addNode(node2)
+        
+        self.R = Param('R',R)
+        self.T = Param('R',T)
+        self.phi = Param('phi',phi)
+        self.Rcx = Param('rcx',Rcx)
+        self.Rcy = Param('rcy',Rcy)
+        self.xbeta = Param('xbeta',xbeta)
+        self.ybeta = Param('ybeta',ybeta)
+        
+    def _getRc(self):
+        if self.Rcx == self.Rcy:
+            return self.Rcx
+        else:
+            return [self.Rcx, self.Rcy]
+    
+    def _setRc(self,value):
+        self.Rcx = value
+        self.Rcy = value
+        
+    Rc = property(_getRc,_setRc)
+    
+    def getFinesseText(self):        
+        rtn = []
+        rtn.append('m {0} {1} {2} {3} {4} {5}'.format(
+                self.name, self.R.value, self.T.value, self.phi.value,
+                self.node1.name, self.node2.name))
+            
+        if self.Rcx != 0: rtn.append("attr {0} Rcx {1}".format(self.name,self.Rcx))
+        if self.Rcy != 0: rtn.append("attr {0} Rcy {1}".format(self.name,self.Rcy))
+        if self.xbeta != 0: rtn.append("attr {0} xbeta {1}".format(self.name,self.xbeta))
+        if self.ybeta != 0: rtn.append("attr {0} ybeta {1}".format(self.name,self.ybeta))
+        
+        return rtn
+        
+    def getQGraphicsItem(self):
+        if self._svgItem == None:
+            self._svgItem = ComponentQGraphicsItem(":/resources/mirror_flat.svg",self
+                                                ,[(-20,0,self.node1),(20,0,self.node2)])
+        return self._svgItem
+   
+   
+   
+class space(Component):
+    def __init__(self,kat , name, node1, node2, L=0, n=1):
+        Component.__init__(self,name,kat)
+        
+        self.node1 = self._addNode(node1)
+        self.node2 = self._addNode(node2)
+        
+        self.length = Param('L',L)
+        self.refractive_index = Param('n',n)
+        
+    def getFinesseText(self):
+        if self.refractive_index.value == 1:
+            return 's {0} {1} {2} {3}'.format(self.name, self.length.value, self.node1.name, self.node2.name)            
+        else:
+            return 's {0} {1} {2} {3} {4}'.format(self.name, self.length.value, self.refractive_index.value, self.node1.name, self.node2.name)            
+       
+       
+       
+       
+class laser(Component):
+    def __init__(self,kat,name,node,P=1,f_offset=0,phase=0):
+        Component.__init__(self,name,kat)
+                
+        self.node = self._addNode(node)
+        
+        self.power = Param('P', P)
+        self.f_offset = Param('f', f_offset)
+        self.phase = Param('phase',phase)
+        
+    def getFinesseText(self):
+        if self.phase.value == 0 :
+            return 'l {0} {1} {2} {3}'.format(self.name, self.power.value, self.f_offset.value, self.node.name)            
+        else :
+            return 'l {0} {1} {2} {4} {3}'.format(self.name, self.power.value, self.f_offset.value, self.phase.value, self.node.name)            
+         
+    def getQGraphicsItem(self):
+        if self._svgItem == None:
+            self._svgItem = ComponentQGraphicsItem(":/resources/laser.svg",self,[(70,0,self.node)])
+            
+        return self._svgItem
+            

pykat/detectors.py

+# -*- coding: utf-8 -*-
+"""
+Created on Fri Feb 01 09:09:10 2013
+
+@author: Daniel
+"""
+import exceptions
+import pykat.gui.resources
+
+from pykat.utils import *
+
+from pykat.gui.graphics import *
+from pykat.node_network import *
+from PyQt4.QtGui import *
+from PyQt4.Qt import *
+
+class Detector() :
+    def __init__(self, name,node,kat):
+        self.__name = name
+        self._svgItem = None
+        self._kat = kat
+        
+        kat.add(self)
+        
+        self.__node = kat.nodes.createNode(node)
+        self.__node.connect(self)
+        
+    def getFinesseText(self):
+        """ Base class for individual finesse optical components """    
+        raise NotImplementedError("This function is not implemented")
+        
+    def getQGraphicsItem(self):    
+        return None
+    
+    def getNode(self):
+        return self.__node;        
+        
+    def __getname(self):
+        return self.__name        
+        
+    name = property(__getname)
+
+class photodiode(Detector):
+    def __init__(self,kat,name,node) :
+        Detector.__init__(self,name,node,kat)
+        
+        if node.find('*'):
+            self._alternate_beam = True
+            node.replace('*','')
+            
+        self.__node = kat.nodes.createNode(node)
+                    
+                
+    def getFinesseText(self) :
+        if self._alternate_beam:
+            return "pd {0} {1}".format(self.name, self.__node.name)
+        else:
+            return "pd {0} {1}*".format(self.name, self.__node.name)
+            
+    def getQGraphicsItem(self):
+        if self._svgItem == None:
+            self._svgItem = ComponentQGraphicsItem(":/resources/photodiode_red.svg",self,[(-20,0,self.node)])
+        
+        return self._svgItem    
+        
\ No newline at end of file

pykat/finesse.py

+# -*- coding: utf-8 -*-
+"""
+Created on Sun Jan 27 09:56:53 2013
+
+@author: Daniel
+"""
+import os
+import exceptions
+import subprocess
+import tempfile
+import numpy as np
+
+from colorama import Fore
+from pykat.node_network import NodeNetwork
+from pykat.detectors import Detector
+from pykat.components import Component
+from pykat.commands import Command
+from pykat.gui.gui import *
+
+class MissingFinesseEnvVar(Exception) :    
+    def __str__(self) :
+        return "The environment variable FINESSE_DIR was not defined"
+
+class kat:                    
+        
+    def __init__(self):
+    
+        self.__components = {}        
+        self.__detectors = {}        
+        self.__commands = {}        
+        self.__gui = None
+        self.nodes = NodeNetwork(self)  
+
+        # Various         
+        self.phase = None
+        self.maxtem = None
+        self.noxaxis = None
+        
+        
+    def run(self, printout=1, printerr=1, save_output=False, save_kat=False
+            ,kat_name=None) :
+        """ Runs the current simulation """
+                
+        # Get the environment variable for where Finesse is stored
+        self.__finesse_dir = os.environ.get('FINESSE_DIR')
+                
+        if self.__finesse_dir == None :
+            raise exceptions.MissingFinesseEnvVar
+        
+        katfile = tempfile.TemporaryFile(suffix=".kat")
+        
+        katfile.writelines(self.generate())
+        katfile.flush()
+        
+        kat_exec = os.path.join(self.__finesse_dir,'kat {0}'.format(
+                                                            katfile.name))   
+                                                            
+        p=subprocess.Popen(kat_exec, 
+                         stdout=subprocess.PIPE, 
+                         stderr=subprocess.PIPE)
+
+        [out,err] = p.communicate()
+        
+        if printout == 1: print Fore.GREEN + out
+        if printerr == 1: print Fore.RED + err
+
+        
+        [root,ext] = os.path.splitext(katfile.name)
+        base = os.path.basename(root)            
+        outfile = root + ".out"
+            
+        [x,y,hdr] = self.readOutFile(outfile)
+        
+        if save_output:        
+            
+            newoutfile = "{0}.out".format(base)
+            
+            cwd = os.path.os.getcwd()
+            newoutfile = os.path.join(cwd,newoutfile)
+            
+            os.rename(outfile, newoutfile)
+
+            print "Output data saved to '{0}'".format(newoutfile)
+            
+        if save_kat:
+            if kat_name == None:
+                kat_name = "pykat_output"                
+            
+            cwd = os.path.os.getcwd()
+            newkatfile = os.path.join(cwd, kat_name + ".kat")
+            os.rename(katfile.name, newkatfile)         
+            
+            print "Kat file saved to '{0}'".format(newkatfile)
+            
+
+        katfile.close()
+        
+        return [x,y,hdr]
+        
+    def add(self, obj) :
+        
+        if isinstance(obj, Component):
+            if obj.name in self.__components :
+                raise exceptions.ValueError("A component with name '{0}' has already been added".format([obj.name]))            
+                        
+            self.__components[obj.name] = obj
+            self.__add_component(obj)
+                        
+            
+        elif isinstance(obj, Detector):
+            if obj.name in self.__detectors :
+                    raise exceptions.ValueError("A detector '{0}' has already been added".format(obj.name))
+                    
+            self.__detectors[obj.name] = obj
+            self.__add_detector(obj)
+            
+        elif isinstance(obj, Command):
+            # dont error when adding same command, just replace it
+            #if obj.__class__.__name__ in self.__commands :
+            #    raise exceptions.ValueError("A command '{0}' has already been added".format([obj.__class__.__name__]))            
+            
+            self.__commands[obj.__class__.__name__] = obj
+            self.__add_command(obj)
+        else :
+            raise exceptions.ValueError("Object could not be added")
+            
+            
+            # now we have added the component we need to update the node
+            # network
+            
+       
+    
+    def readOutFile(self, filename):
+        
+        outfile = open(filename,'r')
+        
+        # read first to lines to get to header line
+        outfile.readline()
+        outfile.readline()
+        
+        hdr = outfile.readline().replace('%','').replace('\n','').split(',')
+
+        data = np.loadtxt(filename,comments='%')
+    	rows,cols = data.shape
+    	x = data[:,0]
+    	y = data[:,1:cols]
+        
+        return [x, y, hdr]
+        
+    def generate(self) :
+        """ Generates the kat file which can then be run """
+        if len(self.__components) == 0 :
+            raise exceptions.RuntimeError("No components have been added")
+
+        out = []    
+        
+        for key in self.__components:       
+            txt = self.__components[key].getFinesseText() 
+            
+            if txt != None:
+                if isinstance(txt,list):
+                    for t in txt: out.append(t+ "\n")
+                else:
+                    out.append(txt + "\n")
+            
+        
+        for key in self.__detectors:        
+            out.append(self.__detectors[key].getFinesseText() + "\n")
+        
+        if self.noxaxis != None and self.noxaxis == True:
+            out.append("noxaxis\n")
+
+        for key in self.__commands:        
+            if self.noxaxis == None or (self.noxaxis == True and isinstance(self.__commands[key], xaxis)):
+                out.append(self.__commands[key].getFinesseText() + "\n")
+            
+        if self.phase != None: out.append("phase {0}\n".format(self.phase))
+        if self.maxtem != None: out.append("maxtem {0}\n".format(self.maxtem))            
+        
+        out.append("gnuterm no\n")
+        out.append("pyterm no\n")
+        
+        return out
+        
+    def openGUI(self):
+        self.__gui = openGUI(self)
+    
+    def getComponents(self):
+        return self.__components.values()
+    
+    
+    def __add_detector(self, det):
+
+        if not isinstance(det, Detector):
+            raise exceptions.ValueError("Argument is not of type Command")
+        
+        name = det.name
+        fget = lambda self: self.__get_command(name)
+        
+        setattr(self.__class__, name, property(fget))
+        setattr(self, '__det_' + name, det)                   
+
+    def __get_detector(self, name):
+        return getattr(self, '__det_' + name) 
+        
+        
+    def __add_command(self, com):
+
+        if not isinstance(com, Command):
+            raise exceptions.ValueError("Argument is not of type Command")
+        
+        name = com.__class__.__name__
+        fget = lambda self: self.__get_command(name)
+        
+        setattr(self.__class__, name, property(fget))
+        setattr(self, '__com_' + name, com)                   
+
+    def __get_command(self, name):
+        return getattr(self, '__com_' + name)            
+    
+    def __add_component(self, comp):
+
+        if not isinstance(comp, Component):
+            raise exceptions.ValueError("Argument is not of type Component")
+            
+        fget = lambda self: self.__get_component(comp.name)
+        
+        setattr(self.__class__, comp.name, property(fget))
+        setattr(self, '__comp_' + comp.name, comp)                   
+
+    def __get_component(self, name):
+        return getattr(self, '__comp_' + name)        
\ No newline at end of file

pykat/gui/__init__.py

+# -*- coding: utf-8 -*-
+"""
+Created on Tue Jan 29 11:34:58 2013
+
+@author: Daniel
+"""
+

pykat/gui/graphics.py

+# -*- coding: utf-8 -*-
+"""
+Created on Fri Feb 01 09:13:03 2013
+
+@author: Daniel
+"""
+
+from PyQt4.QtGui import *
+from PyQt4.Qt import *
+
+class NodeQGraphicItem(QGraphicsRectItem):
+    pass
+
+class ComponentQGraphicsItem(QGraphicsSvgItem):
+    
+    def __init__(self, svgfile, component, nodes):
+        QGraphicsSvgItem.__init__(self, svgfile)
+        self.__component = component
+                
+        item = QGraphicsTextItem(component.name,self)
+        rect = item.boundingRect()       
+        item.setPos(-0.5*rect.width(),40-0.5*rect.height())
+        
+        for n in nodes:
+            node = NodeQGraphicItem(n[0],n[1],8,8,self)
+            node.setBrush(QBrush(Qt.red))
+            node.setPen(QPen(Qt.black))
\ No newline at end of file

pykat/gui/gui.py

+# -*- coding: utf-8 -*-
+"""
+Created on Tue Jan 29 11:35:48 2013
+
+@author: Daniel
+"""
+
+from PyQt4 import QtGui, QtCore
+from PyQt4.Qt import *
+from PyQt4.QtGui import QCursor
+from pykat.gui.graphics import *
+import qt_gui
+     
+def openGUI(kat):
+    app = QtGui.QApplication([""])
+    pykatgui = pyKatGUI(kat)
+    pykatgui.main()
+    app.exec_()
+        
+class pyKatGUI(QtGui.QMainWindow, qt_gui.Ui_MainWindow):
+    def __init__(self, kat,parent=None):
+        super(pyKatGUI, self).__init__(parent)
+        self.setupUi(self)
+        
+        # create a new scene
+        self.__scene = QGraphicsScene()  
+
+        brush = QBrush()
+        brush.setStyle(Qt.CrossPattern)
+        brush.setColor(QColor(230,230,230))
+        self.__scene.setBackgroundBrush(brush)
+        
+        # add scene to the graphics view
+        self.graphicsView.setScene(self.__scene)
+                
+        self._kat = kat        
+        
+    def main(self):
+        self.show()
+        
+        self.addComponentsToScene()
+        
+    def scene(self):
+        return self.__scene
+
+    def addComponentsToScene(self):
+        
+        for c in self._kat.getComponents():
+            itm = c.getQGraphicsItem()
+            
+            if itm != None:
+                itm.setPos(0,0)
+                self.__scene.addItem(itm)
+                
+class pyKatGraphicsView(QGraphicsView):
+    def __init__(self,val):
+        QGraphicsView.__init__(self,val)
+        
+        self.__selected_item = None
+        self.__prev_pt = None
+            
+    def contextMenuEvent(self, ev):  
+        pt = self.mapToScene(ev.pos())
+        
+        menu = QMenu(self)
+        addmenu = menu.addMenu("Add...")
+        addmenu.addAction("Mirror")
+        addmenu.addAction("Laser")
+        addmenu.addAction("Beamsplitter")
+        addmenu.addAction("Photodiode")
+        
+        item = self.itemAt(pt.x(),pt.y())
+        
+        if item != None :
+            if isinstance(item,Component):           
+                menu.addSeparator()
+                menu.addAction("Edit")
+                menu.addAction("Delete")
+            if isinstance(item,NodeQGraphicItem):
+                menu.addSeparator()
+                menu.addAction("Disconnect")
+
+        menu.popup(ev.globalPos());        
+        
+    def mousePressEvent(self, ev):
+        
+        if ev.button()==Qt.LeftButton:
+            
+            pt = self.mapToScene(ev.pos())
+            
+            item = self.scene().itemAt(pt)
+            
+            if isinstance(item, ComponentQGraphicsItem):
+                if item == None:
+                    self.__selected_item = None
+                    self.__prev_pt = None
+                else:
+                    item.setFocus(Qt.MouseFocusReason)
+        
+                    self.__selected_item = item
+                    self.__prev_pt = pt
+            
+    def mouseReleaseEvent(self, ev):
+        self.__selected_item = None
+        self.setCursor(QCursor(Qt.ArrowCursor))
+        pass
+        
+    def mouseMoveEvent(self, ev):
+        if self.__selected_item != None:
+            self.setCursor(QCursor(Qt.ClosedHandCursor))
+            
+            item = self.__selected_item
+            pt_ = self.__prev_pt
+            pt = self.mapToScene(ev.pos())
+            
+            item.moveBy(pt.x()-pt_.x(), pt.y()-pt_.y())
+            self.__prev_pt = pt
\ No newline at end of file

pykat/gui/qt_gui.py

+from PyQt4 import QtCore, QtGui
+import gui
+
+try:
+    _fromUtf8 = QtCore.QString.fromUtf8
+except AttributeError:
+    _fromUtf8 = lambda s: s
+
+class Ui_MainWindow(object):
+    def setupUi(self, MainWindow):
+        MainWindow.setObjectName(_fromUtf8("MainWindow"))
+        MainWindow.resize(809, 611)
+        MainWindow.setWindowTitle(QtGui.QApplication.translate("MainWindow", "MainWindow", None, QtGui.QApplication.UnicodeUTF8))
+        self.centralwidget = QtGui.QWidget(MainWindow)
+        sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Fixed, QtGui.QSizePolicy.Preferred)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(0)
+        sizePolicy.setHeightForWidth(self.centralwidget.sizePolicy().hasHeightForWidth())
+        self.centralwidget.setSizePolicy(sizePolicy)
+        self.centralwidget.setObjectName(_fromUtf8("centralwidget"))
+        self.gridLayout = QtGui.QGridLayout(self.centralwidget)
+        self.gridLayout.setSizeConstraint(QtGui.QLayout.SetDefaultConstraint)
+        self.gridLayout.setMargin(5)
+        self.gridLayout.setObjectName(_fromUtf8("gridLayout"))
+        self.graphicsView = gui.pyKatGraphicsView(self.centralwidget)
+        self.graphicsView.setObjectName(_fromUtf8("graphicsView"))
+        self.gridLayout.addWidget(self.graphicsView, 0, 0, 1, 1)
+        self.widget = QtGui.QWidget(self.centralwidget)
+        self.widget.setMinimumSize(QtCore.QSize(200, 0))
+        self.widget.setMaximumSize(QtCore.QSize(200, 16777215))
+        self.widget.setObjectName(_fromUtf8("widget"))
+        self.verticalLayout = QtGui.QVBoxLayout(self.widget)
+        self.verticalLayout.setMargin(0)
+        self.verticalLayout.setObjectName(_fromUtf8("verticalLayout"))
+        self.label = QtGui.QLabel(self.widget)
+        self.label.setText(QtGui.QApplication.translate("MainWindow", "Toolbox", None, QtGui.QApplication.UnicodeUTF8))
+        self.label.setObjectName(_fromUtf8("label"))
+        self.verticalLayout.addWidget(self.label)
+        self.toolBox = QtGui.QToolBox(self.widget)
+        self.toolBox.setMinimumSize(QtCore.QSize(0, 200))
+        self.toolBox.setFrameShape(QtGui.QFrame.Panel)
+        self.toolBox.setFrameShadow(QtGui.QFrame.Sunken)
+        self.toolBox.setObjectName(_fromUtf8("toolBox"))
+        self.tool_components = QtGui.QWidget()
+        self.tool_components.setGeometry(QtCore.QRect(0, 0, 176, 136))
+        self.tool_components.setObjectName(_fromUtf8("tool_components"))
+        self.toolBox.addItem(self.tool_components, _fromUtf8(""))
+        self.page_2 = QtGui.QWidget()
+        self.page_2.setGeometry(QtCore.QRect(0, 0, 176, 136))
+        self.page_2.setObjectName(_fromUtf8("page_2"))
+        self.toolBox.addItem(self.page_2, _fromUtf8(""))
+        self.verticalLayout.addWidget(self.toolBox)
+        self.widget_2 = QtGui.QWidget(self.widget)
+        self.widget_2.setMinimumSize(QtCore.QSize(0, 300))
+        self.widget_2.setObjectName(_fromUtf8("widget_2"))
+        self.verticalLayout.addWidget(self.widget_2)
+        self.gridLayout.addWidget(self.widget, 0, 1, 1, 1)
+        self.gridLayout.setColumnStretch(0, 4)
+        MainWindow.setCentralWidget(self.centralwidget)
+        self.menubar = QtGui.QMenuBar(MainWindow)
+        self.menubar.setGeometry(QtCore.QRect(0, 0, 809, 25))
+        self.menubar.setObjectName(_fromUtf8("menubar"))
+        self.menuFile = QtGui.QMenu(self.menubar)
+        self.menuFile.setTitle(QtGui.QApplication.translate("MainWindow", "File", None, QtGui.QApplication.UnicodeUTF8))
+        self.menuFile.setObjectName(_fromUtf8("menuFile"))
+        self.menuAbout = QtGui.QMenu(self.menubar)
+        self.menuAbout.setTitle(QtGui.QApplication.translate("MainWindow", "About", None, QtGui.QApplication.UnicodeUTF8))
+        self.menuAbout.setObjectName(_fromUtf8("menuAbout"))
+        MainWindow.setMenuBar(self.menubar)
+        self.statusbar = QtGui.QStatusBar(MainWindow)
+        self.statusbar.setObjectName(_fromUtf8("statusbar"))
+        MainWindow.setStatusBar(self.statusbar)
+        self.actionClose = QtGui.QAction(MainWindow)
+        self.actionClose.setText(QtGui.QApplication.translate("MainWindow", "Close", None, QtGui.QApplication.UnicodeUTF8))
+        self.actionClose.setObjectName(_fromUtf8("actionClose"))
+        self.actionSave = QtGui.QAction(MainWindow)
+        self.actionSave.setText(QtGui.QApplication.translate("MainWindow", "Save", None, QtGui.QApplication.UnicodeUTF8))
+        self.actionSave.setObjectName(_fromUtf8("actionSave"))
+        self.actionOpen = QtGui.QAction(MainWindow)
+        self.actionOpen.setText(QtGui.QApplication.translate("MainWindow", "Open", None, QtGui.QApplication.UnicodeUTF8))
+        self.actionOpen.setObjectName(_fromUtf8("actionOpen"))
+        self.actionHelp = QtGui.QAction(MainWindow)
+        self.actionHelp.setText(QtGui.QApplication.translate("MainWindow", "Help", None, QtGui.QApplication.UnicodeUTF8))
+        self.actionHelp.setObjectName(_fromUtf8("actionHelp"))
+        self.menuFile.addAction(self.actionSave)
+        self.menuFile.addAction(self.actionOpen)
+        self.menuFile.addSeparator()
+        self.menuFile.addAction(self.actionClose)
+        self.menuAbout.addAction(self.actionHelp)
+        self.menubar.addAction(self.menuFile.menuAction())
+        self.menubar.addAction(self.menuAbout.menuAction())
+
+        self.retranslateUi(MainWindow)
+        self.toolBox.setCurrentIndex(0)
+        QtCore.QMetaObject.connectSlotsByName(MainWindow)
+
+    def retranslateUi(self, MainWindow):
+        self.toolBox.setItemText(self.toolBox.indexOf(self.tool_components), QtGui.QApplication.translate("MainWindow", "Page 1", None, QtGui.QApplication.UnicodeUTF8))
+        self.toolBox.setItemText(self.toolBox.indexOf(self.page_2), QtGui.QApplication.translate("MainWindow", "Page 2", None, QtGui.QApplication.UnicodeUTF8))
+

pykat/gui/qt_gui.ui

+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>809</width>
+    <height>611</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralwidget">
+   <property name="sizePolicy">
+    <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+     <horstretch>0</horstretch>
+     <verstretch>0</verstretch>
+    </sizepolicy>
+   </property>
+   <layout class="QGridLayout" name="gridLayout" rowstretch="0" columnstretch="4,0">
+    <property name="sizeConstraint">
+     <enum>QLayout::SetDefaultConstraint</enum>
+    </property>
+    <property name="margin">
+     <number>5</number>
+    </property>
+    <item row="0" column="0">
+     <widget class="QGraphicsView" name="graphicsView"/>
+    </item>
+    <item row="0" column="1">
+     <widget class="QWidget" name="widget" native="true">
+      <property name="minimumSize">
+       <size>
+        <width>200</width>
+        <height>0</height>
+       </size>
+      </property>
+      <property name="maximumSize">
+       <size>
+        <width>200</width>
+        <height>16777215</height>
+       </size>
+      </property>
+      <layout class="QVBoxLayout" name="verticalLayout">
+       <item>
+        <widget class="QLabel" name="label">
+         <property name="text">
+          <string>Toolbox</string>
+         </property>
+        </widget>
+       </item>
+       <item>
+        <widget class="QToolBox" name="toolBox">
+         <property name="minimumSize">
+          <size>
+           <width>0</width>
+           <height>200</height>
+          </size>
+         </property>
+         <property name="frameShape">
+          <enum>QFrame::Panel</enum>
+         </property>
+         <property name="frameShadow">
+          <enum>QFrame::Sunken</enum>
+         </property>
+         <property name="currentIndex">
+          <number>0</number>
+         </property>
+         <widget class="QWidget" name="tool_components">
+          <property name="geometry">
+           <rect>
+            <x>0</x>
+            <y>0</y>
+            <width>176</width>
+            <height>136</height>
+           </rect>
+          </property>
+          <attribute name="label">
+           <string>Page 1</string>
+          </attribute>
+         </widget>
+         <widget class="QWidget" name="page_2">
+          <property name="geometry">
+           <rect>
+            <x>0</x>
+            <y>0</y>
+            <width>176</width>
+            <height>136</height>
+           </rect>
+          </property>
+          <attribute name="label">
+           <string>Page 2</string>
+          </attribute>
+         </widget>
+        </widget>
+       </item>
+       <item>
+        <widget class="QWidget" name="widget_2" native="true">
+         <property name="minimumSize">
+          <size>
+           <width>0</width>
+           <height>300</height>
+          </size>
+         </property>
+        </widget>
+       </item>
+      </layout>
+     </widget>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QMenuBar" name="menubar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>809</width>
+     <height>25</height>
+    </rect>
+   </property>
+   <widget class="QMenu" name="menuFile">
+    <property name="title">
+     <string>File</string>
+    </property>
+    <addaction name="actionSave"/>
+    <addaction name="actionOpen"/>
+    <addaction name="separator"/>
+    <addaction name="actionClose"/>
+   </widget>
+   <widget class="QMenu" name="menuAbout">
+    <property name="title">
+     <string>About</string>
+    </property>
+    <addaction name="actionHelp"/>
+   </widget>
+   <addaction name="menuFile"/>
+   <addaction name="menuAbout"/>
+  </widget>
+  <widget class="QStatusBar" name="statusbar"/>
+  <action name="actionClose">
+   <property name="text">
+    <string>Close</string>
+   </property>
+  </action>
+  <action name="actionSave">
+   <property name="text">
+    <string>Save</string>
+   </property>
+  </action>
+  <action name="actionOpen">
+   <property name="text">
+    <string>Open</string>
+   </property>
+  </action>
+  <action name="actionHelp">
+   <property name="text">
+    <string>Help</string>
+   </property>
+  </action>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

pykat/gui/resources.qrc

+ <!DOCTYPE RCC><RCC version="1.0">
+ <qresource>
+     <file>resources/beamsplitter.svg</file>
+	 <file>resources/laser.svg</file>
+	 <file>resources/mirror_flat.svg</file>
+	 <file>resources/mirror_curve.svg</file>
+	 <file>resources/photodiode_green.svg</file>
+	 <file>resources/photodiode_red.svg</file>
+ </qresource>
+ </RCC>
\ No newline at end of file

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