[arrayfire] 223/284: Added transform coordinates documentation

[Ghislain Vaillant]

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ghisvail-guest pushed a commit to branch debian/experimental
in repository arrayfire.

commit 3522f80c5d5d861788d298c75faa70366d65b89f
Author: Peter Andreas Entschev <peter at arrayfire.com>
Date:   Fri Jan 15 23:42:32 2016 -0500

    Added transform coordinates documentation
---
 docs/details/image.dox | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/docs/details/image.dox b/docs/details/image.dox
index 288e4f6..ef6d12a 100644
--- a/docs/details/image.dox
+++ b/docs/details/image.dox
@@ -700,6 +700,18 @@ AF_INTERP_LOWER are allowed.
 Affine transforms can be used for various purposes. \ref af::translate, \ref af::scale and \ref af::skew
 are specializations of the transform function.
 
+
+\defgroup transform_func_coordinates transformcoordinates
+\ingroup transform_mat
+
+Transform input coordinates
+
+The transform function uses a perspective transform matrix to transform input
+coordinates (given as two dimensions) into a coordinates matrix.
+
+The output is a 4x2 matrix, indicating the coordinates of the 4 bidimensional
+transformed points.
+
 =======================================================================
 
 \defgroup image_func_sat SAT

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