HubbleUDF.frink

View or download HubbleUDF.frink in plain text format


/** This renders the Hubble Ultra-Deep-Field at the size that it would actually
    appear on the sky.
*/


distance = eval[input["Enter distance: ", "27 feet"]]

// The size of the sides of the actual image on the sky
angle = 2.4 arcmin

width = arctan[angle] distance
println["The width is " + format[width, "mm", 3]]

// The image can be obtained at:
// https://en.wikipedia.org/wiki/Hubble_Ultra-Deep_Field
i = new image["file:HubbleUDF.png"]

g = new graphics
g.color[1,1,1]
g.drawRectCenter[4 in, 5.5 in, 7 in, 10 in]
g.draw[i, 4 in, 5.5 in, width, width]
//g.show[]
g.print[]


View or download HubbleUDF.frink in plain text format


This is a program written in the programming language Frink.
For more information, view the Frink Documentation or see More Sample Frink Programs.

Alan Eliasen was born 18864 days, 23 hours, 52 minutes ago.