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Builds and runs fine so far, but no elaborate testing done yet. Compiler throws a bunch of C4275 warning, since sigslot:has_slots<> is used in exported classes but is itself not exported. While this is no direct problem for campvis-internal builds, it should still be fixed some time.

refs #377

Completely moved the image data handle and histogram computation from the TF to the TF property. Histogram computation is now thread safe.

* Moving to Apache 2.0 license
* Updated AUTHORS.txt

Removing TBB library from /ext making it fully external (user has to install TBB himself). Adapted CMake files. Adapted include directions

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@469 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * Fixed Issue #38: Made common GLSL header conform to the standards (no samplers in structs)
 * Fixed failing destruction of OpenGL buffers when destructing GeometryData from threads without OpenGL context
 * Fixed wrong pointers in GLContexts due to using this pointer of incompletely constructed class

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@463 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@449 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@405 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * fixed bug in AbstractTransferFunction::createTexture
 * added button to fit intensity domain to image to TransferFunctionPropertyWidget
 * improved compatability of MhdImageReader

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@360 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@338 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@335 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@334 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@326 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

* introducint Geometry2DTransferFunction and TFGeometry2D

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@324 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

replaced DataHandle pointers by simple DataHandle instances - managing pointers to smart pointers is cumbersome and prone to errors...

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@318 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * fixed AbstractTransferFunction lazy histogram creation

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@312 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * added histograms for ImageDataLocal and AbstractTransferFunction


git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@311 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * added DataHandle::getTimestamp()
 * added ImageDataRenderTarget::getColor/DepthTexture()

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@244 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * added update_legal_header.py script for updating the legal header in all code files of the project
 * ran the file => all TUMVis source files now contain the legal header

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@231 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

* introducing transfer function editors: AbstractTransferFunctionEditor, SimpleTransferFunctionEditor and TransferFunctionEditorFactory
* added editor usage to TransferFunctionPropertyWidget

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@212 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@210 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * some minor fixes/improvements

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@209 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * added AbstractTransferFunction and SimpleTransferFunction
 * added TransferFunctionProperty stub
 * added TF fragment shader include
 * SliceExtractor starts to use the new features

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@200 bb408c1c-ae56-11e1-83d9-df6b3e0c105e