starting to add scale as attribute for detectors.

pykat/detectors.py

@@ -10,6 +10,8 @@ import pykat.gui.resources
 from pykat.utils import *
 from pykat.gui.graphics import *
 from pykat.node_network import *
+from pykat.param import Param, ScaleParam
+
 
 class Detector(object) :
     def __init__(self, name,node):
@@ -22,6 +24,7 @@ class Detector(object) :
         self.__node = None
         self._params = []
         self._mask = {}
+        self.__scale = ScaleParam("scale", self, SIfloat(1.0))
         
         if node.find('*'):
             self._alternate_beam = True
@@ -46,6 +49,13 @@ class Detector(object) :
     def getQGraphicsItem(self):    
         return None
     
+
+    @property 
+    def scale(self): return self.__scale
+    @scale.setter
+    def sclae(self, value):
+        self.__scale = SIfloat(value)
+
     @property 
     def node(self): return self.__node
     @node.setter

pykat/param.py

@@ -165,3 +165,24 @@ class AttrParam(Param):
         rtn.extend(super(AttrParam, self).getFinesseText())
         
         return rtn
+
+class ScaleParam(Param):
+    """
+    The scale parameter of a detector is set using the Finesse `scale` command.
+    
+    This inherits directly from a Param object so can be set whether this attribute
+    is putable or a putter.
+    
+    If the value pf the parameter is not 1.0 the scale command will be printed.
+    """
+    def getFinesseText(self):
+        rtn = []
+        
+        if self.value != 1.0:
+            rtn.append("scale {0} {1}".format(self._owner.name, self.value))
+            
+        rtn.extend(super(ScaleParam, self).getFinesseText())
+        
+        return rtn
+
+