View source for FRAT/Library

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|+ <p style="font-size:250%">(F)luid (R)egistration and (A)tlas (T)oolkit</p>
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<b>[http://public.kitware.com/Wiki/FRAT Home]</b>
*[[FRAT/Images | Image Gallery]]
*[[FRAT/Data | Data and Publications]]
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<hr>
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<b>For Users</b>
* [[FRAT/Install_Guide | Installation Guide]]
* [[FRAT/Slicer | FRAT with Slicer]]
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<hr>
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<b>For Developers</b>
* [[FRAT/Library | libFRAT]]
* [[FRAT/Documentation | API Documentation]]
* [[FRAT/Development | Development Docs]]
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<b>[[FRAT/Team | Contact Us]]</b>

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= FRAT as a Library =

In addition to command line executables, FRAT provides a C++ library that can be used in external projects. Since FRAT is currently only available as source code, you must first follow the instructions in the [[FRAT/Install_Guide | Installation Guide]] to build FRAT.

== Using libFRAT in an External Project ==
Once built, the steps for using FRAT in your own CMake project are:

* In your CMakeLists.txt file, find the FRAT project
 find_package(FRAT REQUIRED)
 if(FRAT_FOUND)
   include(${FRAT_USE_FILE})
 else(FRAT_FOUND)
   message(FATAL_ERROR "FRAT not found. Please set FRAT_DIR.")
 endif(FRAT_FOUND)

* When building an executable or library that uses FRAT, make sure to link against the libraries in ${FRAT_LIBRARIES}
 add_library(bar bar.cxx)
 target_link_libraries(bar ${FRAT_LIBRARIES})
 add_executable(foo foo.cxx)
 target_link_libraries(foo bar ${FRAT_LIBRARIES})

* There is currently no installation system for FRAT, so you will most likely need to manually specify FRAT_DIR when configuring your project with CMake

== Basic Concepts in FRAT ==
This section outlines some of the basics of the FRAT project so you can learn how to use libFRAT in your own project.
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