Information Visualization Program and Slides
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Course Introduction11-Mar-2019, Maurizio Patrignani Click to download: 010-presentation-06.pdf [5.4 MB] Teachers. Program. Exams. Data overloading. Comparison of Scientific Visualization and Information Visualization. First examples of visualization. Lectures ahead. |
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Data and Information13-Mar-2019, Maurizio Patrignani Click to download: 020-data-model-04.pdf [600 KB] Structured and Unstructured data. Data transformation. Data tables. Examples data modeling and visualization. |
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Visual Perception18-Mar-2019, Maurizio Patrignani Click to download: 030-vision-04.pdf [1.6 MB] Our vision’s principles and limitations. Peripheral and central view. Edge detection mechanisms. Perception and illusions. |
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Perception of Colors20-Mar-2019, Maurizio Patrignani Click to download: 040-color-04.pdf [3.2 MB] The perception of color. Chromatic aberration. Color perception. Color spaces. Colormaps. |
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Perception and Cognitive Issues25-Mar-2019, Maurizio Patrignani Click to download: 050-perception-03.pdf [1.9 MB] Perception abilities. Weber's law. Stevens' power law. Gestalt laws. A two stage model for visual perception: preattentive processing. |
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Multivariate Data Representations27-Mar-2019 and 1-Apr-2019, Maurizio Patrignani Click to download: 060-multivariate-06.pdf [4.4 MB] Combined views (multiple bars, stacked bars, multiple views, table lens, scatterplot matrix). Icons or glyphs (Chernoff faces, multidimensional icons). Alternative coordinate systems (parallel coordinates, star plots, star coordinates). |
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Visualization of Time Series Data1-Apr-2019 and 3-Apr-2019, Maurizio Patrignani Click to download: 070-timeseries-06.pdf [3.5 MB] Definition of time series and temporal data. Visualization of time series (single dependent variable, multiple dependent variables). Examples and case studies. |
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Design Methods, Tasks, and Evaluation03-Apr-2019 and 15-Apr-2019, Maurizio Patrignani Click to download: 080-methods-tasks-evaluation-05.pdf [1.5 MB] Design methodologies and design choices. User tasks. Evaluation and validation (goals, difficulties, practices, guidelines). |
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Infovis on the Web - SVG08-Apr-2019, Giordano Da Lozzo Click to download: 090-web-dev-06.pdf [630 KB] Basic ingredients of Web data visualization. JavaScript crash course. Raster and vector graphics (properties, pros and cons). Properties and examples of SVG and HTML5 Canvas. |
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Infovis on the Web - D3.js10-Apr-2019, Giordano Da Lozzo Click to download: 100-hands-on-d3-js-05.pdf [819 KB] Overview of JavaScript libraries. Focus on D3.js: installation, usage, tools from probability theory, other utilities, objects conversion, maps, sets, array operators, scales, example application. |
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Interaction17-Apr-2019 and 29-Apr-2019, Maurizio Patrignani Click to download: 110-interaction-05.pdf [2.7 MB] Classification of interaction mechanisms, goals, and timings. Examples of interaction strategies. |
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Graph Drawing: An Introduction29-Apr-2019 e 6-May-2019, Maurizio Patrignani Click to download: 120-graph-drawing-03-senza-risposte.pdf [1.7 MB] Graph Drawing. Graph Drawing conventions and aesthetics. The divide an conquer approach for testing planarity of a graph. |
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Node-link Representations of Trees8-May-2019, Maurizio Patrignani Click to download: 130-trees-node-link-03.pdf [630 KB] Representing trees within the node-link paradigm. Layered drawings of trees. Hv-drawings of trees. |
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Implicit Representations of Trees13-May-2019, Maurizio Patrignani. Click to download: 140-implicit-tree-representations-05.pdf [3.4 MB] Limitations of node-link representations. Algorithms and systems for visualizing trees using implicit representations. Treemaps (nested treemaps, cushion treemaps, cluster treemaps, squarified treemaps, ordered treemaps, quantum treemaps, Voronoi treemaps, and circular treemaps). 3D Space-filling approaches. |
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Representations of Graphs and Networks with the Force-Directed Approach (Part I)15-May-2019, Maurizio Patrignani. Click to download: 150-force-directed-first-05.pdf [2.8 MB] The force-directed paradigm. The barycenter method. Spring embedders. |
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Representations of Graphs and Networks with the Force-Directed Approach (Part II)20-May-2019 and 22-May-2019, Maurizio Patrignani. Click to download: 160-force-directed-second-06.pdf [890 KB] Scalability and flexibility of the force-directed paradigm. Fruchterman-Reingold and Barnes–Hut algorithms. Simulating graph theoretic distances. Magnetic fields. Generic energy functions. Handling drawing constraints. |
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Representations of Hierarchical Data (Part I)22-May-2019 and 27-May-2019, Maurizio Patrignani. Click to download: 170-layered-first-05.pdf [3.6 MB] Algorithms for the representation of layered networks. The Sugiyama approach. Step 1: Cycle removal. Step 2: Level Assignment |
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Representations of Hierarchical Data (Part II)3-Jun-2019, Maurizio Patrignani. Click to download: 180-layered-second-05.pdf [1.2 MB] Algorithms for the representation of layered networks. The Sugiyama approach. Step 3: Crossing Reduction. Step 4: X-Coordinate Assignment |
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Orthogonal Drawings (via Network Flows)05-Jun-2019, Maurizio Patrignani. Click to download: 190-orthogonal-flow-04.pdf [3.5 MB] Algorithms for the representation of orthogonal drawings. The Topology-Shape-Metric approach. Extension to graphs of arbitrary degree |
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Orthogonal Drawings (via Visibility Representations and Incremental Algorithms)10-Jun-2019, Maurizio Patrignani. Click to download: 200-orthogonal-visibility-03.pdf [680 KB] Representations of orthogonal drawings obtained from visibility representations and by incremental approaches. |
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Straight-Line Grid Drawings12-Jun-2019, Maurizio Patrignani. Click to download: 210-straight-line-grid-04.pdf [680 KB] Strategies for obtaining straight-line drawings of planar graphs in the grid. Canonical orderings. The shift method of de Fraysseix-Pach-Pollack and the realizer method of Schnyder. |