From 6a3e549f53edce82c0f817db3aec8e2c803a1e59 Mon Sep 17 00:00:00 2001 From: Daniel Brown <ddb@star.sr.bham.ac.uk> Date: Tue, 27 May 2014 13:20:59 +0900 Subject: [PATCH] adding in check for no path --- pykat/utilities/plotting/beamtrace.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/pykat/utilities/plotting/beamtrace.py b/pykat/utilities/plotting/beamtrace.py index 33e0f30..b7e3158 100644 --- a/pykat/utilities/plotting/beamtrace.py +++ b/pykat/utilities/plotting/beamtrace.py @@ -12,6 +12,9 @@ def plot_beam_trace(_kat, from_node, to_node): components = kat.nodes.getComponentsBetween(from_node, to_node) + if len(components) == 0: + raise pkex.BasePyKatException('Could not find a direct path between nodes %s and %s'%(from_node, to_node)) + nodes = [] for cn in range(len(components)): -- GitLab