path: root/doc/latex/classmeow_1_1PhotoProjection.tex

\hypertarget{classmeow_1_1PhotoProjection}{\section{meow\-:\-:Photo\-Projection$<$ Scalar $>$ Class Template Reference}
\label{classmeow_1_1PhotoProjection}\index{meow\-::\-Photo\-Projection$<$ Scalar $>$@{meow\-::\-Photo\-Projection$<$ Scalar $>$}}
}


A {\bfseries photo} {\bfseries projection} is a kind of transformation that project point/vector to a flat {\bfseries photo}.  




{\ttfamily \#include \char`\"{}Transformations.\-h\char`\"{}}

Inheritance diagram for meow\-:\-:Photo\-Projection$<$ Scalar $>$\-:\begin{figure}[H]
\begin{center}
\leavevmode
\includegraphics[height=2.000000cm]{classmeow_1_1PhotoProjection}
\end{center}
\end{figure}
\subsection*{Public Member Functions}
\begin{DoxyCompactItemize}
\item 
\hyperlink{classmeow_1_1PhotoProjection_a902922d6be5fcb6ce2ce563031913e36}{Photo\-Projection} (size\-\_\-t \hyperlink{classmeow_1_1PhotoProjection_a8bc014829f304ae83da2862fcf4f6dce}{dimension})
\item 
\hyperlink{classmeow_1_1PhotoProjection_a1e12a0292cf00f4d107b4a5e8e0fa464}{Photo\-Projection} (size\-\_\-t \hyperlink{classmeow_1_1PhotoProjection_a8bc014829f304ae83da2862fcf4f6dce}{dimension}, Scalar const \&f)
\item 
\hyperlink{classmeow_1_1PhotoProjection_afba51bf2a5f236057bfd279ef68e0d71}{Photo\-Projection} (\hyperlink{classmeow_1_1PhotoProjection}{Photo\-Projection} const \&p)
\item 
\hyperlink{classmeow_1_1PhotoProjection}{Photo\-Projection} \& \hyperlink{classmeow_1_1PhotoProjection_a4a26e30caff3bd71ff68e97f5dc9ec46}{copy\-From} (\hyperlink{classmeow_1_1PhotoProjection}{Photo\-Projection} const \&b)
\item 
\hyperlink{classmeow_1_1PhotoProjection}{Photo\-Projection} \& \hyperlink{classmeow_1_1PhotoProjection_a632973b2b8675f126b74e5ced2f62d52}{reference\-From} (\hyperlink{classmeow_1_1PhotoProjection}{Photo\-Projection} const \&b)
\item 
Scalar \hyperlink{classmeow_1_1PhotoProjection_a3499d5c76df3c78028f3e1b7d8cb48e6}{parameter} (size\-\_\-t i) const 
\begin{DoxyCompactList}\small\item\em Same as {\ttfamily \hyperlink{classmeow_1_1PhotoProjection_af143b826cad7171ec539432d3add9da5}{focal()}} \end{DoxyCompactList}\item 
Scalar \hyperlink{classmeow_1_1PhotoProjection_adecf5a6f3f1f07d7fc6b4714fa80e8a1}{parameter} (size\-\_\-t i, Scalar const \&s)
\begin{DoxyCompactList}\small\item\em Same as {\ttfamily focal(s)} \end{DoxyCompactList}\item 
Scalar \hyperlink{classmeow_1_1PhotoProjection_af143b826cad7171ec539432d3add9da5}{focal} () const 
\begin{DoxyCompactList}\small\item\em Get the focal length. \end{DoxyCompactList}\item 
Scalar \hyperlink{classmeow_1_1PhotoProjection_a19f5080ff959073d334c6e21a6247f13}{focal} (Scalar const \&f)
\begin{DoxyCompactList}\small\item\em Set the focal length. \end{DoxyCompactList}\item 
size\-\_\-t \hyperlink{classmeow_1_1PhotoProjection_a8bc014829f304ae83da2862fcf4f6dce}{dimension} () const 
\begin{DoxyCompactList}\small\item\em Get the dimension of this projection. \end{DoxyCompactList}\item 
\hyperlink{classmeow_1_1Matrix}{Matrix}$<$ Scalar $>$ \hyperlink{classmeow_1_1PhotoProjection_ac4bbf64ef4341a10bc444147142c7d5f}{transformate} (\hyperlink{classmeow_1_1Matrix}{Matrix}$<$ Scalar $>$ const \&x) const 
\begin{DoxyCompactList}\small\item\em Project the input vector(s) onto the plane. \end{DoxyCompactList}\item 
\hyperlink{classmeow_1_1Matrix}{Matrix}$<$ Scalar $>$ \hyperlink{classmeow_1_1PhotoProjection_aabb88ff170cc655a3b7262af3337a0a3}{jacobian} (\hyperlink{classmeow_1_1Matrix}{Matrix}$<$ Scalar $>$ const \&x) const 
\begin{DoxyCompactList}\small\item\em Return the jacobian matrix (derivate by the input vector) of this projection. \end{DoxyCompactList}\item 
\hyperlink{classmeow_1_1Matrix}{Matrix}$<$ Scalar $>$ \hyperlink{classmeow_1_1PhotoProjection_a4a07aecb4474633c82d6b73dc1cdd53d}{jacobian} (\hyperlink{classmeow_1_1Matrix}{Matrix}$<$ Scalar $>$ const \&x, size\-\_\-t i) const 
\begin{DoxyCompactList}\small\item\em Return the jacobian matrix (derivate by the focus length) of this projection. \end{DoxyCompactList}\item 
\hyperlink{classmeow_1_1PhotoProjection}{Photo\-Projection} \& \hyperlink{classmeow_1_1PhotoProjection_a7c05a0abd905abc1330331627b6a1d90}{operator=} (\hyperlink{classmeow_1_1PhotoProjection}{Photo\-Projection} const \&b)
\begin{DoxyCompactList}\small\item\em Same as {\ttfamily copy\-From(b)} \end{DoxyCompactList}\item 
\hyperlink{classmeow_1_1Matrix}{Matrix}$<$ Scalar $>$ \hyperlink{classmeow_1_1PhotoProjection_aa50f02a71f9be0b417b0dc9f8ff5d9ab}{operator()} (\hyperlink{classmeow_1_1Matrix}{Matrix}$<$ Scalar $>$ const \&v) const 
\begin{DoxyCompactList}\small\item\em Same as {\ttfamily transformate(v)} \end{DoxyCompactList}\end{DoxyCompactItemize}
\subsection*{Additional Inherited Members}


\subsection{Detailed Description}
\subsubsection*{template$<$class Scalar$>$class meow\-::\-Photo\-Projection$<$ Scalar $>$}

A {\bfseries photo} {\bfseries projection} is a kind of transformation that project point/vector to a flat {\bfseries photo}. 

Assume\-:
\begin{DoxyItemize}
\item The dimension of a photo projection is $ N $
\item The length of the input vector is $ L $
\item The focal length is $ f $
\end{DoxyItemize}Then transformation is like below\-: \par
 \[ \left[ \begin{array}{c} x_1 \\ x_2 \\ x_3 \\ . \\ . \\ . \\ x_N \\ \end{array} \right] \stackrel{transformate}{\rightarrow} \left[ \begin{array}{c} \frac{-x_1 \times f}{x_N} \\ \frac{-x_2 \times f}{x_N} \\ \frac{-x_3 \times f}{x_N} \\ . \\ . \\ . \\ -f \\ \end{array} \right] \\ \] i.\-e. projecte the vector onto the plane $ x_N = -f $.

\begin{DoxyAuthor}{Author}
cat\-\_\-leopard 
\end{DoxyAuthor}


Definition at line 323 of file Transformations.\-h.



\subsection{Constructor \& Destructor Documentation}
\hypertarget{classmeow_1_1PhotoProjection_a902922d6be5fcb6ce2ce563031913e36}{\index{meow\-::\-Photo\-Projection@{meow\-::\-Photo\-Projection}!Photo\-Projection@{Photo\-Projection}}
\index{Photo\-Projection@{Photo\-Projection}!meow::PhotoProjection@{meow\-::\-Photo\-Projection}}
\subsubsection[{Photo\-Projection}]{\setlength{\rightskip}{0pt plus 5cm}template$<$class Scalar$>$ {\bf meow\-::\-Photo\-Projection}$<$ Scalar $>$\-::{\bf Photo\-Projection} (
\begin{DoxyParamCaption}
\item[{size\-\_\-t}]{dimension}
\end{DoxyParamCaption}
)\hspace{0.3cm}{\ttfamily [inline]}}}\label{classmeow_1_1PhotoProjection_a902922d6be5fcb6ce2ce563031913e36}
Constructor, focal = 1 

Definition at line 347 of file Transformations.\-h.

\hypertarget{classmeow_1_1PhotoProjection_a1e12a0292cf00f4d107b4a5e8e0fa464}{\index{meow\-::\-Photo\-Projection@{meow\-::\-Photo\-Projection}!Photo\-Projection@{Photo\-Projection}}
\index{Photo\-Projection@{Photo\-Projection}!meow::PhotoProjection@{meow\-::\-Photo\-Projection}}
\subsubsection[{Photo\-Projection}]{\setlength{\rightskip}{0pt plus 5cm}template$<$class Scalar$>$ {\bf meow\-::\-Photo\-Projection}$<$ Scalar $>$\-::{\bf Photo\-Projection} (
\begin{DoxyParamCaption}
\item[{size\-\_\-t}]{dimension, }
\item[{Scalar const \&}]{f}
\end{DoxyParamCaption}
)\hspace{0.3cm}{\ttfamily [inline]}}}\label{classmeow_1_1PhotoProjection_a1e12a0292cf00f4d107b4a5e8e0fa464}
Constructor 

Definition at line 355 of file Transformations.\-h.

\hypertarget{classmeow_1_1PhotoProjection_afba51bf2a5f236057bfd279ef68e0d71}{\index{meow\-::\-Photo\-Projection@{meow\-::\-Photo\-Projection}!Photo\-Projection@{Photo\-Projection}}
\index{Photo\-Projection@{Photo\-Projection}!meow::PhotoProjection@{meow\-::\-Photo\-Projection}}
\subsubsection[{Photo\-Projection}]{\setlength{\rightskip}{0pt plus 5cm}template$<$class Scalar$>$ {\bf meow\-::\-Photo\-Projection}$<$ Scalar $>$\-::{\bf Photo\-Projection} (
\begin{DoxyParamCaption}
\item[{{\bf Photo\-Projection}$<$ Scalar $>$ const \&}]{p}
\end{DoxyParamCaption}
)\hspace{0.3cm}{\ttfamily [inline]}}}\label{classmeow_1_1PhotoProjection_afba51bf2a5f236057bfd279ef68e0d71}
Constructor, copy settings from another \hyperlink{classmeow_1_1PhotoProjection}{Photo\-Projection}. 

Definition at line 363 of file Transformations.\-h.



\subsection{Member Function Documentation}
\hypertarget{classmeow_1_1PhotoProjection_a4a26e30caff3bd71ff68e97f5dc9ec46}{\index{meow\-::\-Photo\-Projection@{meow\-::\-Photo\-Projection}!copy\-From@{copy\-From}}
\index{copy\-From@{copy\-From}!meow::PhotoProjection@{meow\-::\-Photo\-Projection}}
\subsubsection[{copy\-From}]{\setlength{\rightskip}{0pt plus 5cm}template$<$class Scalar$>$ {\bf Photo\-Projection}\& {\bf meow\-::\-Photo\-Projection}$<$ Scalar $>$\-::copy\-From (
\begin{DoxyParamCaption}
\item[{{\bf Photo\-Projection}$<$ Scalar $>$ const \&}]{b}
\end{DoxyParamCaption}
)\hspace{0.3cm}{\ttfamily [inline]}}}\label{classmeow_1_1PhotoProjection_a4a26e30caff3bd71ff68e97f5dc9ec46}
Copy settings from another one 
\begin{DoxyParams}[1]{Parameters}
\mbox{\tt in}  & {\em b} & another one \\
\hline
\end{DoxyParams}
\begin{DoxyReturn}{Returns}
{\ttfamily $\ast$this} 
\end{DoxyReturn}


Definition at line 372 of file Transformations.\-h.

\hypertarget{classmeow_1_1PhotoProjection_a8bc014829f304ae83da2862fcf4f6dce}{\index{meow\-::\-Photo\-Projection@{meow\-::\-Photo\-Projection}!dimension@{dimension}}
\index{dimension@{dimension}!meow::PhotoProjection@{meow\-::\-Photo\-Projection}}
\subsubsection[{dimension}]{\setlength{\rightskip}{0pt plus 5cm}template$<$class Scalar$>$ size\-\_\-t {\bf meow\-::\-Photo\-Projection}$<$ Scalar $>$\-::dimension (
\begin{DoxyParamCaption}
{}
\end{DoxyParamCaption}
) const\hspace{0.3cm}{\ttfamily [inline]}}}\label{classmeow_1_1PhotoProjection_a8bc014829f304ae83da2862fcf4f6dce}


Get the dimension of this projection. 



Definition at line 425 of file Transformations.\-h.

\hypertarget{classmeow_1_1PhotoProjection_af143b826cad7171ec539432d3add9da5}{\index{meow\-::\-Photo\-Projection@{meow\-::\-Photo\-Projection}!focal@{focal}}
\index{focal@{focal}!meow::PhotoProjection@{meow\-::\-Photo\-Projection}}
\subsubsection[{focal}]{\setlength{\rightskip}{0pt plus 5cm}template$<$class Scalar$>$ Scalar {\bf meow\-::\-Photo\-Projection}$<$ Scalar $>$\-::focal (
\begin{DoxyParamCaption}
{}
\end{DoxyParamCaption}
) const\hspace{0.3cm}{\ttfamily [inline]}}}\label{classmeow_1_1PhotoProjection_af143b826cad7171ec539432d3add9da5}


Get the focal length. 

\begin{DoxyReturn}{Returns}
Focal length 
\end{DoxyReturn}


Definition at line 407 of file Transformations.\-h.

\hypertarget{classmeow_1_1PhotoProjection_a19f5080ff959073d334c6e21a6247f13}{\index{meow\-::\-Photo\-Projection@{meow\-::\-Photo\-Projection}!focal@{focal}}
\index{focal@{focal}!meow::PhotoProjection@{meow\-::\-Photo\-Projection}}
\subsubsection[{focal}]{\setlength{\rightskip}{0pt plus 5cm}template$<$class Scalar$>$ Scalar {\bf meow\-::\-Photo\-Projection}$<$ Scalar $>$\-::focal (
\begin{DoxyParamCaption}
\item[{Scalar const \&}]{f}
\end{DoxyParamCaption}
)\hspace{0.3cm}{\ttfamily [inline]}}}\label{classmeow_1_1PhotoProjection_a19f5080ff959073d334c6e21a6247f13}


Set the focal length. 


\begin{DoxyParams}[1]{Parameters}
\mbox{\tt in}  & {\em f} & New focal length \\
\hline
\end{DoxyParams}
\begin{DoxyReturn}{Returns}
New focal length 
\end{DoxyReturn}


Definition at line 417 of file Transformations.\-h.

\hypertarget{classmeow_1_1PhotoProjection_aabb88ff170cc655a3b7262af3337a0a3}{\index{meow\-::\-Photo\-Projection@{meow\-::\-Photo\-Projection}!jacobian@{jacobian}}
\index{jacobian@{jacobian}!meow::PhotoProjection@{meow\-::\-Photo\-Projection}}
\subsubsection[{jacobian}]{\setlength{\rightskip}{0pt plus 5cm}template$<$class Scalar$>$ {\bf Matrix}$<$Scalar$>$ {\bf meow\-::\-Photo\-Projection}$<$ Scalar $>$\-::jacobian (
\begin{DoxyParamCaption}
\item[{{\bf Matrix}$<$ Scalar $>$ const \&}]{x}
\end{DoxyParamCaption}
) const\hspace{0.3cm}{\ttfamily [inline]}, {\ttfamily [virtual]}}}\label{classmeow_1_1PhotoProjection_aabb88ff170cc655a3b7262af3337a0a3}


Return the jacobian matrix (derivate by the input vector) of this projection. 

This method only allow a vector-\/like matrix be input. Assume\-:
\begin{DoxyItemize}
\item The dimension of this projection is $ N $
\item The length of the input vector is $ L=\sqrt{x_1^2+x_2^2+...+x_N^2} $
\item The focal length of this projection is $ f $
\end{DoxyItemize}Then the jacobian matrix is like below\-: \par
 \[ f \times \left[ \begin{array}{ccccc} \frac{-1}{x_N} & 0 & 0 & ... & \frac{1}{x_N^2} \\ 0 & \frac{-1}{x_N} & 0 & ... & \frac{1}{x_N^2} \\ 0 & 0 & \frac{-1}{x_N} & ... & \frac{1}{x_N^2} \\ . & . & . & & . \\ . & . & . & & . \\ . & . & . & & . \\ 0 & 0 & 0 & ... & 0 \\ \end{array} \right] \]


\begin{DoxyParams}[1]{Parameters}
\mbox{\tt in}  & {\em x} & The input matrix. \\
\hline
\end{DoxyParams}
\begin{DoxyReturn}{Returns}
The output matrix. 
\end{DoxyReturn}


Reimplemented from \hyperlink{classmeow_1_1Transformation_a97b459877b4e508193071fa166a126c9}{meow\-::\-Transformation$<$ Scalar $>$}.



Definition at line 485 of file Transformations.\-h.

\hypertarget{classmeow_1_1PhotoProjection_a4a07aecb4474633c82d6b73dc1cdd53d}{\index{meow\-::\-Photo\-Projection@{meow\-::\-Photo\-Projection}!jacobian@{jacobian}}
\index{jacobian@{jacobian}!meow::PhotoProjection@{meow\-::\-Photo\-Projection}}
\subsubsection[{jacobian}]{\setlength{\rightskip}{0pt plus 5cm}template$<$class Scalar$>$ {\bf Matrix}$<$Scalar$>$ {\bf meow\-::\-Photo\-Projection}$<$ Scalar $>$\-::jacobian (
\begin{DoxyParamCaption}
\item[{{\bf Matrix}$<$ Scalar $>$ const \&}]{x, }
\item[{size\-\_\-t}]{i}
\end{DoxyParamCaption}
) const\hspace{0.3cm}{\ttfamily [inline]}, {\ttfamily [virtual]}}}\label{classmeow_1_1PhotoProjection_a4a07aecb4474633c82d6b73dc1cdd53d}


Return the jacobian matrix (derivate by the focus length) of this projection. 

This method only allow a vector-\/like matrix be input. Assume\-:
\begin{DoxyItemize}
\item The dimension of this projection is $ N $
\item The length of the input vector is $ L=\sqrt{x_1^2+x_2^2+...+x_N^2} $
\item The focal length of this projection is $ f $
\end{DoxyItemize}Then the jacobian matrix is like below\-: \par
 \[ \left[ \begin{array}{c} \frac{-x_1}{x_N} \\ \frac{-x_2}{x_N} \\ \frac{-x_3}{x_N} \\ . \\ . \\ . \\ -1 \\ \end{array} \right] \]


\begin{DoxyParams}[1]{Parameters}
\mbox{\tt in}  & {\em x} & The input matrix. \\
\hline
\mbox{\tt in}  & {\em i} & Useless parameter \\
\hline
\end{DoxyParams}
\begin{DoxyReturn}{Returns}
The output matrix. 
\end{DoxyReturn}


Reimplemented from \hyperlink{classmeow_1_1Transformation_a18590a4501b79a9ad38eb8fa3c966eb8}{meow\-::\-Transformation$<$ Scalar $>$}.



Definition at line 523 of file Transformations.\-h.

\hypertarget{classmeow_1_1PhotoProjection_aa50f02a71f9be0b417b0dc9f8ff5d9ab}{\index{meow\-::\-Photo\-Projection@{meow\-::\-Photo\-Projection}!operator()@{operator()}}
\index{operator()@{operator()}!meow::PhotoProjection@{meow\-::\-Photo\-Projection}}
\subsubsection[{operator()}]{\setlength{\rightskip}{0pt plus 5cm}template$<$class Scalar$>$ {\bf Matrix}$<$Scalar$>$ {\bf meow\-::\-Photo\-Projection}$<$ Scalar $>$\-::operator() (
\begin{DoxyParamCaption}
\item[{{\bf Matrix}$<$ Scalar $>$ const \&}]{v}
\end{DoxyParamCaption}
) const\hspace{0.3cm}{\ttfamily [inline]}}}\label{classmeow_1_1PhotoProjection_aa50f02a71f9be0b417b0dc9f8ff5d9ab}


Same as {\ttfamily transformate(v)} 



Definition at line 541 of file Transformations.\-h.

\hypertarget{classmeow_1_1PhotoProjection_a7c05a0abd905abc1330331627b6a1d90}{\index{meow\-::\-Photo\-Projection@{meow\-::\-Photo\-Projection}!operator=@{operator=}}
\index{operator=@{operator=}!meow::PhotoProjection@{meow\-::\-Photo\-Projection}}
\subsubsection[{operator=}]{\setlength{\rightskip}{0pt plus 5cm}template$<$class Scalar$>$ {\bf Photo\-Projection}\& {\bf meow\-::\-Photo\-Projection}$<$ Scalar $>$\-::operator= (
\begin{DoxyParamCaption}
\item[{{\bf Photo\-Projection}$<$ Scalar $>$ const \&}]{b}
\end{DoxyParamCaption}
)\hspace{0.3cm}{\ttfamily [inline]}}}\label{classmeow_1_1PhotoProjection_a7c05a0abd905abc1330331627b6a1d90}


Same as {\ttfamily copy\-From(b)} 



Definition at line 534 of file Transformations.\-h.

\hypertarget{classmeow_1_1PhotoProjection_a3499d5c76df3c78028f3e1b7d8cb48e6}{\index{meow\-::\-Photo\-Projection@{meow\-::\-Photo\-Projection}!parameter@{parameter}}
\index{parameter@{parameter}!meow::PhotoProjection@{meow\-::\-Photo\-Projection}}
\subsubsection[{parameter}]{\setlength{\rightskip}{0pt plus 5cm}template$<$class Scalar$>$ Scalar {\bf meow\-::\-Photo\-Projection}$<$ Scalar $>$\-::parameter (
\begin{DoxyParamCaption}
\item[{size\-\_\-t}]{i}
\end{DoxyParamCaption}
) const\hspace{0.3cm}{\ttfamily [inline]}, {\ttfamily [virtual]}}}\label{classmeow_1_1PhotoProjection_a3499d5c76df3c78028f3e1b7d8cb48e6}


Same as {\ttfamily \hyperlink{classmeow_1_1PhotoProjection_af143b826cad7171ec539432d3add9da5}{focal()}} 



Implements \hyperlink{classmeow_1_1Transformation_a09e71e5af508d7c0e09fdbeaacbe4365}{meow\-::\-Transformation$<$ Scalar $>$}.



Definition at line 392 of file Transformations.\-h.

\hypertarget{classmeow_1_1PhotoProjection_adecf5a6f3f1f07d7fc6b4714fa80e8a1}{\index{meow\-::\-Photo\-Projection@{meow\-::\-Photo\-Projection}!parameter@{parameter}}
\index{parameter@{parameter}!meow::PhotoProjection@{meow\-::\-Photo\-Projection}}
\subsubsection[{parameter}]{\setlength{\rightskip}{0pt plus 5cm}template$<$class Scalar$>$ Scalar {\bf meow\-::\-Photo\-Projection}$<$ Scalar $>$\-::parameter (
\begin{DoxyParamCaption}
\item[{size\-\_\-t}]{i, }
\item[{Scalar const \&}]{s}
\end{DoxyParamCaption}
)\hspace{0.3cm}{\ttfamily [inline]}, {\ttfamily [virtual]}}}\label{classmeow_1_1PhotoProjection_adecf5a6f3f1f07d7fc6b4714fa80e8a1}


Same as {\ttfamily focal(s)} 



Implements \hyperlink{classmeow_1_1Transformation_a2a90b93490712232b81a628b5057526f}{meow\-::\-Transformation$<$ Scalar $>$}.



Definition at line 399 of file Transformations.\-h.

\hypertarget{classmeow_1_1PhotoProjection_a632973b2b8675f126b74e5ced2f62d52}{\index{meow\-::\-Photo\-Projection@{meow\-::\-Photo\-Projection}!reference\-From@{reference\-From}}
\index{reference\-From@{reference\-From}!meow::PhotoProjection@{meow\-::\-Photo\-Projection}}
\subsubsection[{reference\-From}]{\setlength{\rightskip}{0pt plus 5cm}template$<$class Scalar$>$ {\bf Photo\-Projection}\& {\bf meow\-::\-Photo\-Projection}$<$ Scalar $>$\-::reference\-From (
\begin{DoxyParamCaption}
\item[{{\bf Photo\-Projection}$<$ Scalar $>$ const \&}]{b}
\end{DoxyParamCaption}
)\hspace{0.3cm}{\ttfamily [inline]}}}\label{classmeow_1_1PhotoProjection_a632973b2b8675f126b74e5ced2f62d52}
Reference settings from another one 
\begin{DoxyParams}[1]{Parameters}
\mbox{\tt in}  & {\em b} & another one \\
\hline
\end{DoxyParams}
\begin{DoxyReturn}{Returns}
{\ttfamily $\ast$this} 
\end{DoxyReturn}


Definition at line 383 of file Transformations.\-h.

\hypertarget{classmeow_1_1PhotoProjection_ac4bbf64ef4341a10bc444147142c7d5f}{\index{meow\-::\-Photo\-Projection@{meow\-::\-Photo\-Projection}!transformate@{transformate}}
\index{transformate@{transformate}!meow::PhotoProjection@{meow\-::\-Photo\-Projection}}
\subsubsection[{transformate}]{\setlength{\rightskip}{0pt plus 5cm}template$<$class Scalar$>$ {\bf Matrix}$<$Scalar$>$ {\bf meow\-::\-Photo\-Projection}$<$ Scalar $>$\-::transformate (
\begin{DoxyParamCaption}
\item[{{\bf Matrix}$<$ Scalar $>$ const \&}]{x}
\end{DoxyParamCaption}
) const\hspace{0.3cm}{\ttfamily [inline]}, {\ttfamily [virtual]}}}\label{classmeow_1_1PhotoProjection_ac4bbf64ef4341a10bc444147142c7d5f}


Project the input vector(s) onto the plane. 

The equation of the plane is $ x_N = -f $, where the $ N $ is the dimension of this projection and f is the focal length. \par
If the number of columns of the input matrix is larger than 1, this method will think that you want to transform multiple vector once and the number of columns of the output matrix will be the same of the number of columns of the input one.


\begin{DoxyParams}[1]{Parameters}
\mbox{\tt in}  & {\em x} & The input matrix. \\
\hline
\end{DoxyParams}
\begin{DoxyReturn}{Returns}
The output matrix. 
\end{DoxyReturn}
\begin{DoxyNote}{Note}
Take into account that too much safty checking will lead to inefficient, this method will not checking whether the dimension of the input vector/matrix is right. So be sure the data is valid before you call this method. 
\end{DoxyNote}


Implements \hyperlink{classmeow_1_1Transformation_aa0c299b9ad13020a9eb460de01378ddc}{meow\-::\-Transformation$<$ Scalar $>$}.



Definition at line 446 of file Transformations.\-h.



The documentation for this class was generated from the following file\-:\begin{DoxyCompactItemize}
\item 
meowpp/math/\hyperlink{Transformations_8h}{Transformations.\-h}\end{DoxyCompactItemize}