Run update-copyright.py.

[hooke.git] / hooke / ui / gui / dialog / points.py

diff --git a/hooke/ui/gui/dialog/points.py b/hooke/ui/gui/dialog/points.py
index 1e86ee14dc80b3aa29a80607923f7700fc3dfb4f..316da06caa222b36f8a1746cc586724459a230b6 100644 (file)
--- a/hooke/ui/gui/dialog/points.py
+++ b/hooke/ui/gui/dialog/points.py
@@ -1,8 +1,51 @@
-# Copyright
+# Copyright (C) 2010-2012 W. Trevor King <wking@drexel.edu>
+#
+# This file is part of Hooke.
+#
+# Hooke is free software: you can redistribute it and/or modify it under the
+# terms of the GNU Lesser General Public License as published by the Free
+# Software Foundation, either version 3 of the License, or (at your option) any
+# later version.
+#
+# Hooke is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+# A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Hooke.  If not, see <http://www.gnu.org/licenses/>.
+
+from numpy import arange
 
 import wx
 
 
+class ClickedPoint(object):
+    """Defines a clicked point from a curve plot.
+    """
+    def __init__(self):
+
+        self.is_marker=None #boolean ; decides if it is a marker
+        self.is_line_edge=None #boolean ; decides if it is the edge of a line (unused)
+        self.absolute_coords=(None,None) #(float,float) ; the absolute coordinates of the clicked point on the graph
+        self.graph_coords=(None,None) #(float,float) ; the coordinates of the plot that are nearest in X to the clicked point
+        self.index=None #integer ; the index of the clicked point with respect to the vector selected
+        self.dest=None #0 or 1 ; 0=top plot 1=bottom plot
+
+    def find_graph_coords(self,xvector,yvector):
+        """Find the point in the dataset that is closest to `self`.
+
+        Given a clicked point on the plot, finds the nearest point in
+        the dataset (in X) that corresponds to the clicked point.
+        """
+        dists=[]
+        for index in arange(1,len(xvector),1):
+            dists.append(((self.absolute_coords[0]-xvector[index])**2)+((self.absolute_coords[1]-yvector[index])**2))
+
+        self.index=dists.index(min(dists))
+        self.graph_coords=(xvector[self.index],yvector[self.index])
+
+
 def measure_N_points(hooke_frame, N, message='', block=0):
     '''
     General helper function for N-points measurements