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= Report Week 6 =
= Report I =
The cmake errors has solved by adding UNKNOWN and IMPORTED files in cmake files.<br>
I have added dm-qt.c in libdm and mged, dm-qt.h in include. dm-qt.c in libdm contains the empty functions for the display manager. The dm-qt.c file in mged connects the display manager with mged. In CMakeLists.txt (root/libdm/mged) I have added a option for qt and included the added files for compiling. In dm.h, dm-generic.c and attach.c i have added macros for dm-qt. BRL-CAD will compile with Strict=off.
Now it is possible to attach a new dm with the command:
<source lang="dos">attach qt</source>
After attaching a qt window I have gotten a memory leak. Through implementing the Qm_dm_init() function the problem get solved and attaching will cause no error and nothing happens.<br><br><br>
= Report Week 5 =
I have used the functions in dm_X.c and deleted all function bodies and renamed them to qt_function. In dm-generic.c I have changed X_open to qt_open for testing. I have to implement a cmake macro for qt, add it to dm-generic.c and remove X_ changes.
After that I have tried to built BRLCAD. Through Warnings I couldn't compile it. So I have changed to Un-Strict Mode in cmake and successfully compiled libdm.
In the next step I have tried to link Qt with BRLCAD. After I added only find_package in CMakeLists.txt I have gotten following error:
<source lang="dos">
CMake Error at CMakeLists.txt:456 (_message):
  Attempting to ignore non-existent file UNKNOWN, in directory
Call Stack (most recent call first):
  misc/CMake/BRLCAD_CMakeFiles.cmake:128 (message)
  CMakeLists.txt:375 (CMAKEFILES)
  /usr/share/cmake-2.8/Modules/FindQt4.cmake:374 (ADD_LIBRARY)
  /usr/share/cmake-2.8/Modules/FindQt4.cmake:906 (_QT4_ADJUST_LIB_VARS)
  src/libdm/CMakeLists.txt:16 (FIND_PACKAGE)
The CMake file with definition:
<source lang="dos">
# Qt library
  option(BRLCAD_ENABLE_QT "Use QT." OFF)
  # Qt library include
  # Qt link used libraries, core and gui is linked by default
  #target_link_libraries(core ${QT_LIBRARIES})
  #target_link_libraries(gui ${QT_LIBRARIES})
= Report Week 4 =
I have tested many approaches for the Display Manager and tried to change the default Qt Application structure to encapsulate it in the qt_open() function. So every Qt display manager will work as a own application.
The main goal is to get a working structure of the C++ Display Manager Class  with the dm Structure in "dm.h".
= Report Week 3 =
I started with the structure of the Qt Display Manager. I have realized, that it is not possible to use the OO approach directly. The function pointers in the structure "dm" can't be used for pointing on member functions (methods). <br>
So I decided to encapsulate a drawing class and instantiate it as a global variable in the qt_dm.cpp. The functions are used as interfaces to this class. <br><br><br>
= Report Week 2 =
I have built BRL-CAD successfully on Linux and Windows.<br>
I have released two Patches in this week:<br><br>
- Refactor and manage libbn tolerance uses by providing an interface default (e.g., an init macro) and making everyone use that where it is hardcoded to 0.0005 presently.<br><br>
-I have added a relative float check (following to: http://randomascii.wordpress.com/2012/02/25/comparing-floating-point-numbers-2012-edition/) and fixed some FIXME section with it. I am not certain about it. If the algorithm is suitable for brlcad, i could change the rest of vmath.h.<br><br>
On both I am waiting for Feedback.
= Report Week 1 =
I have built BRL-CAD from svn on ubuntu (12.04). <br>
I have built BRL-CAD from svn on ubuntu (12.04). <br>
I have installed and built all depencies on Windows, but I get following build errors (only a few of them, the errors repeating):<br>
I have installed and built all depencies on Windows, but I get following build errors (only a few of them, the errors repeating):<br>

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