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Introducing nifty error texture in case that there is nothing to render. Updated copyimage.frag to use texture coordinates instead of viewport pixels.

Removed oblivious tgt::QtContextManager and merged functionality into tgt::GLCanvas and tgt::GlContextManager. Meanwhile, improved OpenGL context initialization and pipeline creation in CampvisApplication.

* Moving to Apache 2.0 license
* Updated AUTHORS.txt

Work on Issue #44: Removed GLContext interface and merged functionality into GlCanvas. Introducing abstract (Qt-free) tgt::GlContextManager interface, being implemented by tgt::QtContextManager. Further clean up of related code.

CampvisApplication manages multiple DataContainers, updated PipelineTreeWidget to show correct DataContainer/Pipeline/Processor hierarchy

Refactoring pipeline concept #4: (Almost) got rid of hard pipeline definition in campvis.cpp. Implemented console argument parsing in CampvisApplication dynamically adding the pipelines listed as arguments

git-svn-id: https://camplinux.in.tum.de/svn/campvis/branches/gui-redux@520 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

When created for the first time, the transfer
function editor is added to the main window and
docked in its right docking area.

git-svn-id: https://camplinux.in.tum.de/svn/campvis/branches/gui-redux@505 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * Pipelines evaluate themselves
 * removed the PipelineEvaluator
 * adapted all demo pipelines except OpenCLPipeline

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@462 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@327 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

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

 * added CameraProperty::setWindowRatio()
 * improved OpenCL error reporting

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@257 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * fixed kisscl::CommandQueue destructor
 * documented OpenGLJobProcessor scheduling strategy

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@254 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * added (de)initialization of KissCL to TumVisApplication

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@243 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

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@230 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * elaborated checks in TumVisApplication
 * added AbstractPipeline.getName() and AbstractProcessor.getName()

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@204 bb408c1c-ae56-11e1-83d9-df6b3e0c105e

 * introducing TumVisApplication for easy and straight-forward setup of pipelines, contexts, evaluators, etc.
 * VisualizationPipeline must not get its canvas during construction anymore

git-svn-id: https://camplinux.in.tum.de/svn/campvis/trunk@203 bb408c1c-ae56-11e1-83d9-df6b3e0c105e