Principles of Scientific Visualization Anto Aasa Spring 2020

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Principles of scientific visualization Anto Aasa Spring 2020 Mobility Lab Department of Geography Data • Machine readable • Structured • Unformatted • Stationary • … What is this? Wall? Tree? Snake? Spike? Rope? Full picture! https://design.tutsplus.com/tutorials/how-to-draw-an-elephant-step-by-step--cms-29550 Newspaper rock, Painted dessert, Arizona, US 10th century movement of planets Barplot 1350, Nicole Oresme Scatterplot A 1824 Playfair line graph, illustrating of how bread and stock prices are affected by war. (Image: William Playfair/Public Domain) https://www.atlasobscura.com/articles/the-scottish-scoundrel-who-changed-how-we-see-data „Old“ Excel What is map? https://upload.wikimedia.org/wikipedia/commons/thumb/6/69/Physical_Map_of_Georgia_(en).svg/1200px-Physical_Map_of_Georgia_(en).svg.png Map? Map? Harry Beck 1933. Abstract vs real What is map? • Wikipedia: A map is a symbolic depiction emphasizing relationships between elements of some space, such as objects, regions, or themes. • Geographic map: • Generalized • Reduced • Scale • projection translate 3-dimensional real surface of the geoid to a two- dimensional picture (coordinate system). Wordcloud Otl Aichl Why we need maps? • Orientation • Spatial patterns, relationships • Error detection Error detection Time series heatmap Time series Spatial patterns Proportions Relationships Follow the traditions The Minard Map – „the best statistical graphic ever drawn“ (1869) Big Data: Flows Software: Visone Movement during the Christmas Eve TIME Time geography https://www.researchgate.net/publication/236970189_Visual_explora tion_of_large_animal_trajectories Space-time path https://www.youtube.com/watch?v=97ZJ38wDO58 Time Treemap, Mosaic plot Intensity spectrum Latvian fishermens on lake Peipsi Software: R https://vimeo.com/236704637 Fools trap Pie chart? level level Senior researcher teaching staff Master’s post-doc studies Doctoral studies MA or PhD supervisor Doctoral studies MA or PhD supervisor Master’s studies Doctoral studies MA or PhD supervisor Master’s studies post-doc Senior researcher teaching staff post-doc Senior researcher teaching staff Pie chart! level level dogs Doctoral studies MA or PhD bears supervisor foxes Master’s studies horses post-doc teaching staff Senior researcher Doctoral studies MA or PhD supervisor Master’s studies Doctoral studies MA or PhD supervisor Master’s studies post-doc Senior researcher teaching staff post-doc Senior researcher teaching staff horses foxes bears horses foxes bears dogs dogs Bump chart: show rankings https://www.reddit.com/r/dataisbeautiful/comments/2oplkj/college_football_playo ff_rankings_bump_chart_oc/ Ranking? 1 2 value 3 4 5 time Chord diagramm: flows, connections http://mkweb.bcgsc.ca/tableviewer/samples/ Chart junk Try to be funny? Crashes caused by drunk drivers (readability…) Nigel Holmes, Time Tuning the picture Magic something FB shares: 4 FB shares: 25 Population „Empty space“ Out of the Box Thinking Elevation map of Estonia.

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Teachingatrisk: Progress & Potholes
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