adding pdtype as variable of the pd object.

pykat/detectors.py

@@ -81,12 +81,13 @@ class Detector(object) :
     
 class pd(Detector):
 
-    def __init__(self, name, num_demods, node_name, senstype=None, alternate_beam=False, **kwargs):
+    def __init__(self, name, num_demods, node_name, senstype=None, alternate_beam=False, pdtype=None, **kwargs):
         Detector.__init__(self, name, node_name)
         
         self.__num_demods = num_demods
         self.__senstype = senstype
         self.__alternate_beam = alternate_beam
+        self.__pdtype = pdtype
         # create the parameters for all 5 demodulations regardless
         # of how many the user specifies. Later we add properties to
         # those which correspond to the number of demodulations
@@ -121,6 +122,11 @@ class pd(Detector):
         self.__senstype = value
         
     @property
+    def pdtype(self): return self.__pdtype
+    @pdtype.setter
+    def pdtype(self, value): self.__pdtype = value
+
+        @property
     def num_demods(self): return self.__num_demods
     @num_demods.setter
     def num_demods(self, value): 
@@ -305,6 +311,9 @@ class photodiode(Detector):
             if self.scale != None and self.scale !='':
                 rtn.append("scale {1} {0}".format(self.name, self.scale))
 
+            if self.pdtype != None:
+                rtn.append("pdtype {1} {0}".format(self.name, self.pdtype))
+                
             if self.noplot:
                 rtn.append("noplot {0}".format(self.name))
             

pykat/finesse.py

@@ -282,6 +282,8 @@ class kat(object):
                     after_process.append(line)
                 elif(first == "scale"):
                     after_process.append(line)
+                elif(first == "pdtype"):
+                    after_process.append(line)
                 elif(first == "noxaxis"):
                     self.noxaxis = True
                 elif(first == "phase"):
@@ -339,6 +341,16 @@ class kat(object):
                     self.scale = SIfloat(v[1])
                 else:
                     raise pkex.BasePyKatException("scale command `{0}` is incorrect.".format(text))
+            elif (first == "pdtype"):
+                v = line.split(" ")
+                if len(v) == 3:
+                    component_name = v[1]
+                    if component_name in self.__detectors :
+                        self.__detectors[component_name].type = v[2]
+                    else:
+                        raise pkex.BasePyKatException("pdtype command `{0}` refers to non-existing detector".format(text))
+                else:
+                    raise pkex.BasePyKatException("pdtype command `{0}` is incorrect.".format(text))