Digital Universe Guide - Hayden Planetarium

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18 2. GETTING STARTED Slider Scale Button The Partiview Slider A toggle button between the logarithmic or linear scale (if available) for the active slider. See the following table for the range on each slider in the log and linear modes. Slider Use the blue value adjuster to alter the value of the active slider. The logarithmic or linear value is indicated to the left of the Slider. Below the slider you’ll see the active data group and the linear value of the slider (except for the Slum Slider, which has no value shown). Slider Menu A drop-down menu to select the slider function. The active slider appears below the menu (the Slum Slider is shown). Slider functions are described in the table below. Slider Menu Alpha Sets the opaqueness of an object or image. FOV Adjusts the field of view. We typically use values near 60 ◦ ; “telescopic” views may be achieved with small values for the field of view. Censize The size of the Cartesian Point of Interest marker. Values are in the units of the particular data you are viewing. For the Milky Way Atlas, the units of distance are parsecs (1 parsec = 3.26 light-years). In the Extragalactic Atlas, the units are megaparsecs. Labelmin Set the minimum pixel height before a label will be drawn. This is useful if you want only the nearby labels displayed. Set this value to 0 pixels for all labels to be drawn. Setting labelmin to 20 will draw labels only when they are more than 20 pixels high. Labelsize Set the height of the labels in pixels. Polysides Adjust the number of sides of the polygons in the active group. Polysize Set the size of the polygons. Slum Scale the luminosity of the particles, increasing or decreasing their brightness.
2.4. PARTIVIEW’S USER INTERFACE 19 Table 2.5 – Range on the sliders in the linear and logarithmic scales (if available). Slider Linear Range Logarithmic Range Default Range Alpha 0–1 not available linear FOV 0–180 not available linear Censize 0–10,000 0.001–10,000 log Labelmin 0–20 not available linear Labelsize 0.01–1,000 0.001–1,000 log Polysides 3–16 not available linear Polysize 0–10 0.001–10 log Slum not available 0.001–31,623 log Group Buttons Note: Group Buttons appear only if two or more data groups are defined. Left Mouse Button Turn the active group on or off. Right Mouse Button Activate a data group (a data group must be active for you to change its display properties).
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: 2.4. PARTIVIEW’S USER INTERFACE 1
Page 21 and 22: 2.4. PARTIVIEW’S USER INTERFACE 2
Page 23 and 24: 2.5. DIGITAL UNIVERSE FILES 23 File
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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 69 Data
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3.3. MILKY WAY DATA GROUPS 71 The l
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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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