Digital Universe Guide - Hayden Planetarium

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22 2. GETTING STARTED 2.5 Digital Universe Files Once the Digital Universe is installed, you will find all the necessary files in one folder (called Digital Universe in the figure below). Inside that folder you will find the following: Figure 2.2 – The hierarchy of files and folders in the Digital Universe Atlas. Within the Digital Universe folder are the Partiview application, several start scripts, and the data folder. Within the data folder are the milkyway, extragalactic, and possibly other data folders. Down one more level within milkyway and you’ll find the config file mw.cf for the Milky Way Atlas and the speck and images folders for the Milky Way Atlas. A similar file structure is found in the extragalactic folder. group. You will find several file types in the Digital Universe distribution. Table 2.6 lists these file types by
2.5. DIGITAL UNIVERSE FILES 23 File Type File extension Launcher file *.bat *.command *.sh Data Files *.speck *.label *.cmap *.obj Table 2.6 – Digital Universe file types and definitions Description Double-click on these files to launch the Milky Way Atlas or the Extragalactic Atlas. (You will have only one of these, depending on your operating system.) Data and data variable commands Labels for the data Color map data Surface data Images *.sgi Image files Configuration *.cf Initialization commands and configure options. Customize the atlas with these files. Customizing the Digital Universe You can use the *.cf files to customize the initial look of the Milky Way Atlas and Extragalactic Atlas. These files are simply a listing of Partiview commands that are read by Partiview and executed. If an object is too bright or you want to change its color, for example, set the desired brightness or color in Partiview, then open the config file in a text editor and make the change to the appropriate command under the correct data group. Of course, it is necessary to have some familiarity with the Partiview commands. Information on these can be found in the Partiview User’s Guide 4 or from information on the Partiview website. 4 http://haydenplanetarium.org/universe/partiviewguide/
Page 1 and 2: The Digital Universe Guide Brian Ab
Page 3 and 4: Contents Contents 3 List of Tables
Page 5 and 6: List of Tables 2.1 Log and Linear F
Page 7 and 8: 1.2. GETTING HELP 7 1.2 Getting Hel
Page 9 and 10: 1.5. ACKNOWLEDGMENTS 9 1.5 Acknowle
Page 11 and 12: 2.2. LAUNCHING THE MILKY WAY ATLAS
Page 13 and 14: 2.3. LEARNING TO FLY PARTIVIEW 13 T
Page 15 and 16: 2.3. LEARNING TO FLY PARTIVIEW 15 M
Page 17 and 18: 2.4. PARTIVIEW’S USER INTERFACE 1
Page 19 and 20: 2.4. PARTIVIEW’S USER INTERFACE 1
Page 21: 2.4. PARTIVIEW’S USER INTERFACE 2
Page 25 and 26: 3.1. MILKY WAY ATLAS OVERVIEW 25 3.
Page 27 and 28: 3.2. MILKY WAY ATLAS TUTORIAL 27 3.
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Page 67 and 68: 3.3. MILKY WAY DATA GROUPS 67 Earth
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3.3. MILKY WAY DATA GROUPS 73 3.3.3
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3.3. MILKY WAY DATA GROUPS 77 If yo
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3.3. MILKY WAY DATA GROUPS 79 lumin
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3.3. MILKY WAY DATA GROUPS 81 not p
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3.3. MILKY WAY DATA GROUPS 83 Two p
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3.3. MILKY WAY DATA GROUPS 85 expre
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3.3. MILKY WAY DATA GROUPS 87 marke
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3.3. MILKY WAY DATA GROUPS 89 brigh
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3.3. MILKY WAY DATA GROUPS 93 inclu
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3.3. MILKY WAY DATA GROUPS 95 old.
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3.3. MILKY WAY DATA GROUPS 97 centi
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3.3. MILKY WAY DATA GROUPS 101 3.3.
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3.3. MILKY WAY DATA GROUPS 103 heat
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3.3. MILKY WAY DATA GROUPS 107 righ
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3.3. MILKY WAY DATA GROUPS 109 beyo
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3.3. MILKY WAY DATA GROUPS 121 Othe
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3.3. MILKY WAY DATA GROUPS 123 abou
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3.3. MILKY WAY DATA GROUPS 125 Obje
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3.3. MILKY WAY DATA GROUPS 141 this
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3.3. MILKY WAY DATA GROUPS 143 Not
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4 The Extragalactic Atlas The word
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4.1. EXTRAGALACTIC ATLAS OVERVIEW 1
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4.2. EXTRAGALACTIC ATLAS TUTORIAL 1
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4.3. EXTRAGALACTIC DATA GROUPS 169
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4.4. OPTIMIZING THE EXTRAGALACTIC A
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Appendix A Light-Travel Time and Di
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Appendix B Parallax and Distance On
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absolute magnitude M, can be calcul
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discovered that there was a linear
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Appendix D Electromagnetic Spectrum
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Appendix E Constants and Units In a
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Metric Prefixes These prefixes are
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INDEX 221 center command, 50, 61 cl
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INDEX 223 Earth’s radio signals,
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INDEX 225 irregular galaxy, 147, 17
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INDEX 227 entering, 21 every, 206 j
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INDEX 229 stellar distance uncertai
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Digital Universe Guide - Hayden Planetarium

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