Ptolemy ix soter ii macedonian king of egypt britannica. Composing different models of computation in kepler and ptolemy ii. Key concepts 1 tycho brahe made accurate measurements of planetary motion. A simple scientific workflow developed in kepler kepler allows scientists to create their own executable scientific workflows by simply dragging and dropping components onto a workflow creation area and connecting the. Browsing ancient coinage of egypt, ptolemy ii wildwinds.
Kepler is a team effort ptolemy ii resurgence griddles srb looking skidl cipres nladr contributor names and. Ptolemy, copernicus, and kepler on linear distances 1 introduction copernicus. Pdf exploring models of computation with ptolemy ii. Accelerating the scientific exploration process with kepler scientific workflow system jianwu wang, ilkay altintas. Ptolemy explained and extended hipparchuss system of epicycles and eccentric circles to explain the earthcentered theory of the world. Ptolemy s is the first known projection of the sphere onto a plane. Introducing triquetrum, a possible future for kepler and ptolemy ii. Jun 12, 2014 why the copernican and ptolemaic views of the solar system actually look the same from the earth. Two actors can be connected only if their input and output data types are compatible. Kepler builds upon the opensource ptolemy ii visual modeling system.
Ptolemy ix soter ii, macedonian king of egypt reigned 116110, 109107, and 8881 bc who, after ruling cyprus and egypt in various combinations with his brother, ptolemy x alexander i, and his mother, cleopatra iii, widow of ptolemy viii euergetes ii, gained sole rule of the country in 88 and. His geography remained the main work on the subject until the time of christopher columbus. A framework for distributed dataparallel execution in the. Lee, stephen neuendorffer, and john reekie, building graphical models, a chapter from claudius ptolemaeus, editor, system design, modeling, and simulation using ptolemy ii, ptolemy. Kepler and eclipse kepler the kepler project kepler. Ptolemy ii works with matlab, thanks to an interface developed by zoltan kemenczy and others at research in motion, ltd.
Add your actor as an entity under the kepler tutorial library. The getting started with kepler guide is a tutorial style manual for scientists. Ptolemy simple english wikipedia, the free encyclopedia. Extending ptolemy ii university of california, berkeley. Getting started with kepler the getting started with kepler guide is a tutorial style manual for scientists who want to create and execute scientific workflows. He was a mathematician, astronomer, geographer, astrologer, and poet of a single epigram in the greek anthology. Ptolemy, copernicus, kepler is a provocative gingerich collection, focusing on the transformation of astronomy from ptolemy s geocentrism to kepler s remolding of copernican cosmology. Prepared for science a17, harvard university, fall 1999.
The ptolemy project is an ongoing project aimed at modeling, simulating, and designing concurrent, realtime, embedded systems. Introduction ptolemys geography is a treatise on cartography, the only book on that subject to have survived from classical antiquity. Optimizing the ptolemaic model of planetary and solar motion ilia rushkin abstract ptolemys planetary model is an ancient geocentric astronomical model, describing the observed motion of the sun and the planets. Note that the ant changeto command uses svn to download the rest of kepler and ptolemy ii, which can take awhile. Ptolemy, copernicus, galileo, brahe, kepler, and newton. The presentation starts with the scientists who made discoveries about our solar system. Pdf design and implementation of kepler workflows for bioearth. Introducing triquetrum, a possible future for kepler and. Introducing triquetrum, a possible future for kepler and ptolemy ii 1. Let the output of the top integrator in figure 6 be, the output of the middle integrator be, and the output of the bottom integrator be. Your first exercise is to build a model that uses your laptops camera via an accessor to find apriltags in the field of view and display their id and location.
Ptolemy ii has very little in common with matlab, which is a textual, imperative, interactive, scientific programming language. Pepper distinguished professor and chair of eecs, uc berkeley. In 25 bracing essays, it uncovers the subtle and surprising ways in which raw data, interpretation, and creativity propel science. Building ptolemy ii models graphically ative of the output. The domainpolymorphic actor libraries, in the ptolemy. As it is known, the importance of ptolemys geographia had declined for almost 10 centuries coming back in th c. Design and implementation of kepler workflows for bioearth. None were successful at representing tychos accurate data for mars. Why the copernican and ptolemaic views of the solar system actually look the same from the earth. Like ptolemys writings on astronomy and optics, the geography is a highly original work, and it had a profound in.
Spherical trigonometry solves problems related to circles on a sphere. Sorry, we are unable to provide the full text but you may find it at the following locations. It also covers the planets, inner, outer, and pluto, satellites, and an indepth discussion. We describe some key features of kepler and its underlying ptolemy ii system, planned extensions, and areas of future research. Kepler, which is based on ptolemy ii, is a scientific workflow. The principal product of the project is the ptolemy ii model based design and simulation tool. Capecode tutorial university of california, berkeley. He should have known better, as an investigation of his hypothesis makes clear. How linear distances played a role varies in different accounts. Ptolemy s system involved at least 80 epicycles to explain the motions of the sun, the moon, and the five planets known in his time. Feb 19, 2016 claudius ptolemy thought the earth stood still, and the sun, moon and planets went around it.
This handson tutorial explores how these models of computation are implemented in ptolemy ii and how to create new models of computation such. Adding a new java actor to kepler a quick tutorial. Ptolemy accounted for the deviations of planetary orbits from perfect circles by introducing two small and equal shifts into his model. Keplers laws of planetary motion tycho died after two years and kepler inherited his data and his title. Kepler execution engine to load and execute the subwork. Choose from 26 different sets of copernicus, tycho, kepler, galileo, newton. Unzip the precompiled ptolemy ii package and kepler package. The getting started with kepler guide is a tutorial style manual for scientists who want to. Accelerating the scientific exploration process with kepler. Exploring models of computation with ptolemy ii sunday, october 24, 2010, scottsdale, az held in conjunction with embedded systems week. The focus of the ptolemy project is on assembling concurrent components. See also the ptolemy iii coin page for coins which are believed to be actually ptolemy ii.
Claudius ptolemy thought the earth stood still, and the sun, moon and planets went around it. Ptolemy ii philadelphus macedonian king of egypt britannica. Even two thousand years ago it was apparent that the motion of the planets was very complex. Eecs 249 guest lecture berkeley, ca september 8, 2009 ptutorial. Pdf composing different models of computation in kepler. Set kepler to the location of your kepler, and ptii to the location of your ptolemy ii.
But he had asia extending much too far east, which may have been a factor in columbuss decision to try to reach india by sailing west. His model lasted for such a long time because it was able to match the existing observations of the positions of the planets reasonably well. Ptolemy, copernicus, and kepler on linear distances. Optimizing the ptolemaic model of planetary and solar motion. How to update the set of directors and actors that are shipped with kepler. Since kepler inherits ptolemy iis data type system, actors inputs and outputs have a speci. Ptolemy ii was responsible for the transformation of the cult of alexander the great which had been established by ptolemy i into a state cult of the ptolemaic dynasty. Accelerating the scientific exploration process with. Browse the ptolemy ii page with no thumbnail images. At the start of his sole reign, ptolemy ii deified his father and he deified his mother berenice i as well after her death in the 270s. Brotherloving king of egypt 285246 bce, second king of the ptolemaic dynasty, who extended his power by skillful diplomacy, developed agriculture and commerce, and made alexandria a leading centre of the arts and sciences. Kepler dutifully attempted to reconcile the mars data using models of ptolemy, copernicus, and tycho.
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