Download or view jennyMoonVenus.frink in plain text format
// Analyze picture at:
// http://www.flickr.com/photos/geekmomjenny/6578694459/sizes/o/in/photostream/
// Height of Venus in picture
venusHeight = 34
moonHeight = 175
date = #December 26, 2011 10:00 PM Arizona#
use planets.frink
venusDiameter = 2 Planet.Earth.radiusAngle[date, Planet.Venus]
moonDiameter = 2 moonRadiusAngle[date]
println["Venus diameter is " + (venusDiameter->"arcmin")]
println["Moon diameter is " + (moonDiameter->"arcmin")]
println["Ratio in sky is " + (moonDiameter/venusDiameter)]
println["Ratio in picture is " + (moonHeight/venusHeight)]
g = new graphics
lat = 40 degrees North
long = 105 degrees West
g.add[Planet.Venus.drawPolygonRelativeToZenith[date, lat, long, 0, 0, venusDiameter, false]]
g.add[drawMoonPolygonRelativeToZenith[date, lat, long, .6 degree, 0, moonDiameter, false]]
g.show[]
g.write["venus.svg",800,600]
Download or view jennyMoonVenus.frink in plain text format
This is a program written in the programming language Frink.
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Alan Eliasen was born 19966 days, 2 hours, 26 minutes ago.