Download or view floodFillTest.frink in plain text format
/** This tests the "flood fill" routines in VoxelArray which can be used to
calculate volumes of tricky shapes. */
res = 254/in
thickness = 1.2 mm
innerDiam = 2 inch
outer = callJava["frink.graphics.VoxelArray", "makeSphere", [(innerDiam/2 + thickness) res]]
inner = callJava["frink.graphics.VoxelArray", "makeSphere", [innerDiam/2 res]]
outer.remove[inner]
start = now[]
inside = outer.floodFill[outer.getMinX[], outer.getMaxX[],
outer.getMinY[], outer.getMaxY[],
outer.getMinZ[], outer.getMaxZ[],
0,0,0]
end = now[]
println["Time in flood fill was " + format[end-start, "ms", 0]]
vol = inside.countSetBits[]
println["Volume is $vol voxels"]
physvol = vol / res^3
calcvol = 4/3 pi (innerDiam/2)^3
println["Physical Volume is " + format[physvol, "in^3", 7]]
println["Calculated Volume is " + format[calcvol, "in^3", 7]]
error = abs[physvol-calcvol]/calcvol
print["Error is " + format[error, "percent", 5]]
println[" (1 part in " + round[1/error] + ")"]
inside.projectX[undef].show["X"]
inside.projectY[undef].show["Y"]
inside.projectZ[undef].show["Z"]
filename = "floodFillTest.obj"
print["Writing $filename..."]
w = new Writer[filename]
w.println[inside.toObjFormat["inside", 1/(res mm)]]
w.close[]
println["done."]
Download or view floodFillTest.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 19976 days, 1 hours, 28 minutes ago.