Scientific Data Visualization

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"Imagination or visualization, and in
particular the use of diagrams, has a
crucial part to play in scientific
investigation." - Rene Descartes, 1637
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Scientific Data Visualization
Scientific Data Visualization
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What is scientific visualization?
Exploring data graphically to gain insight and a
deeper understanding of the information it
represents
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History of Visualization Techniques...
1137 China, use of cartesian coordinates to
show cities and coastline features in a
latitude longitude grid
1603 Johann Beyer plotted star positions based
on observations of Danish astronomer, Tycho
Brayhe.
1637 Rene Descartes reintroduced the cartesian
coordinate system into mathematics
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1855 Dr. John Snow plotted the location of
homes of cholera victims
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1748 Contour lines for zero elevation appeared
in the Carte Geometrique de la France. The
use of contour lines for elevation became
common use in the British Ordinance Survey
Act of 1841.
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Contour Maps
1817 Alexander von Humboldt created isothermal
charts to show geographic distribution of
temperature.
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Height Maps
1879 Luigi Perozzo plotted population as
height for the Swedish census 1750-1785
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Streamlines, Arrow Plots, Particle Traces
1686 Edmond Halley produced a meteorological
chart, a map of the world showing the prevailing
winds with arrow plots.
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Volume Rendering
1896 Elihu Thompson generation of stereo
X-rays
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Volume Rendering
1957 Bang and Bang achieve three dimensional
visualization of specimens. Slices were
photographed in an electron microscope and
images were traced onto acetate sheets,
manually stacked up with separators.
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