From b58f52e40e5e8dbf3557124f31362bbfaeddca00 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Johannes=20Sch=C3=B6nberger?= <jschoenberger@demuc.de>
Date: Wed, 1 May 2013 11:15:09 +0200
Subject: [PATCH] Fix bug in predict_x of line model

---
 skimage/measure/fit.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/skimage/measure/fit.py b/skimage/measure/fit.py
index cd9a7795..3b2d7d32 100644
--- a/skimage/measure/fit.py
+++ b/skimage/measure/fit.py
@@ -132,7 +132,7 @@ class LineModel(BaseModel):
         if params is None:
             params = self._params
         dist, theta = params
-        return (dist - y * math.cos(theta)) / math.cos(theta)
+        return (dist - y * math.sin(theta)) / math.cos(theta)
 
     def predict_y(self, x, params=None):
         '''Predict y-coordinates using the estimated model.