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Rendering now looks similar to Qt version, needs a few tweaks:
* Proper multisampling
* Background
Missing features:
* Barcharts
* Interactivity (e.g. brushing/linking in all objects)
* History view of interactions
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* ColorScale: now a pointer whenever needed. main() takes care of
updating extents
* New class DivergentColorScale: works specifically for divergent
scales, always has 3 colors as input: negative values, 0, positive
values
* ManipulationHandler: ProjectionHistory no longer needed
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* VoronoiSplat: alpha & beta are now properties
* ContinuousColorScale: enums renamed to the Qt standard way
* Scatterplot: internal state enum renamed
* ProjectionObserver: observer type enum renamed
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In addition, the updateView parameter was removed from all methods
that had it.
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Also, some small changes in Scatterplot and VoronoiSplat to
accomodate this.
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Scatterplot brushing needs some improvement, feels clumsy.
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* Both components now support brushing (support in Scatterplot for
activating a brush is still incomplete, though it can be brushed
on by other components)
* Added a handler for linking the brushing between components
* Added crosshair geometry handler to geometry lib
* Fixed issue #15
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by the screenshots.
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* Modified main() function to connect signals/slots to display
calculated values
* Color scales are no longer shared; they are also normalized to
each component's own data
* Stub mouse handling in BarChart (changes cursor shape)
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* Added screenshot action that saves two images: one of the main
view (plot + splat) and one of the bottom view (bar chart)
* Added methods/signals/slots to Scatterplot for handling glyph sizes
* Added methods/signals/slots to VoronoiSplat for handling the
alpha/beta parameters, which are now also no longer fixed
* Options panel:
- glyph sizes of both CPs and RPs
- splat opacity
- splat parameters (alpha & beta)
- color scale combo box currently does nothing
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* The Colormap component is a simple rect with a texture mapped
that displays a ColorScale with a fixed number of samples. This
number of samples is exported as a member const, which is used
on other components (such as VoronoiSplat).
* The texture mapping is reflecting the colormap lookup used in
VoronoiSplat.
* The ColorScale class now has a method for sampling the color
scale and outputs the samples to iterator-style objects,
providing easy intergration with existing code.
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The change was due to future functionality requirements, this
separation provides grater flexibility. As a nice side effect, the
cropping bug when first rendering the splat is now gone.
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* Removed code that handles selection coordination between cpPlot
and full data plot from main
* Full plot has control points invisible (opacity = 0) by default
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* Added methods & signal/slots to handle auto/manual scaling
* The subsample plot is now scaled by the full data plot,
naturally superimposing them
* LAMP was corrected in order to always preserve the mapping of
the subsample
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* Also added calls to these new methods in main().
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* Subsample plot no longer displays splat
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Animation plays when setXY() is called on Scatterplot, providing a "smooth"
transition for the new position of each point.
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differentiates between interactive and programatic changes in x/y data.
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- geometry.h for geometry calculation functions
- scale.h for implementations of scales (currently only the linear scale)
- updated main_view.qml for the new HistoryGraph component
- HistoryGraph displays each subsample used as a mini scatterplot (no colors
currently)
- Scatterplot now uses scale.h for transformations
- Code cleanup and some bug fixes
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- Selection linking between subsample plot and main plot
- Dumb "effectiveness" coloring
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- All glyphs use the same geometry, placement is done via affine transforms
- Geometry memory handled using unique_ptr
- Added outline to each glyph, avoiding color issues with the background
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- New continuous color scale class;
- Improvements in signal handler for calculating distortions;
- Implementation of the NP(k) measure.
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initialization.
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- Scatterplot: can now map any floating point data to colors;
- Scatterplot: somewhat optimized geometry/material updates;
- Removed anything related to labels where it was not necessary;
- Added observers to implement distortion (via measures) visualization;
- Added skeleton implementations of NP and silhouette.
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Interaction still does not work due to signals not being correctly emitted.
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- Removed unnecessary UI elements from QML file;
- Added the ColorScale class and implemented glyph color mapping from class
labels;
- Mark geometry nodes of individual glyphs as dirty when updating the scene
graph.
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