From 86fbe41b61f16fc8a0313314d39193aa5e24d362 Mon Sep 17 00:00:00 2001
From: Daniel Brown <ddb@star.sr.bham.ac.uk>
Date: Sat, 1 Nov 2014 11:27:06 +0000
Subject: [PATCH] missing node network gui check
---
pykat/node_network.py | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/pykat/node_network.py b/pykat/node_network.py
index ea1509b..b1bb13a 100644
--- a/pykat/node_network.py
+++ b/pykat/node_network.py
@@ -4,9 +4,14 @@ Created on Sun Jan 27 10:02:41 2013
@author: Daniel
"""
-import exceptions
-import pykat.gui.graphics
+
+from pykat import USE_GUI, NoGUIException
+
+if USE_GUI:
+ import pykat.gui.graphics
+
import pykat.exceptions as pkex
+
from pykat.components import Component
from pykat.detectors import BaseDetector as Detector
from pykat.utilities.optics.gaussian_beams import beam_param
@@ -543,6 +548,9 @@ class Node(object):
self._item.scene().removeItem(self._item)
def getQGraphicsItem(self,dx=0,dy=0,nsize=8,parent=None):
+ if not USE_GUI:
+ raise NoGUIException
+
if self._item == None:
self._item = pykat.gui.graphics.NodeQGraphicItem(self,
dx,dy,
--
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