From 93eac1fb657492dda9141ebf34498d8d4971ce12 Mon Sep 17 00:00:00 2001
From: Thomas Broust <thomas.broust@gmail.com>
Date: Wed, 25 Feb 2015 10:27:48 +0100
Subject: [PATCH] Adds reference for calculation

Former-commit-id: 186a948ca7cf34b489a65d878feb97069fd82b03
Former-commit-id: 36bf23f00f9304f618acc77dddbfd03f706a368e
---
 src/ImageProcessor/Imaging/Rotation.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/ImageProcessor/Imaging/Rotation.cs b/src/ImageProcessor/Imaging/Rotation.cs
index 421216e00a..0b841c297a 100644
--- a/src/ImageProcessor/Imaging/Rotation.cs
+++ b/src/ImageProcessor/Imaging/Rotation.cs
@@ -46,6 +46,9 @@
         /// <param name="imageWidth">Width of the image.</param>
         /// <param name="imageHeight">Height of the image.</param>
         /// <param name="angle">The angle.</param>
+        /// <remarks>
+        /// Based on <see href="http://math.stackexchange.com/questions/1070853/"/>
+        /// </remarks>
         /// <returns>The zoom needed</returns>
         public static float ZoomAfterRotation(int imageWidth, int imageHeight, float angle)
         {