/** This is a test of cylindrical embossing for 3-D printing. */

res = 254/inch

h = 1 inch
r = .5 inch

// Test on a cylinder
v = callJava["frink.graphics.VoxelArray", "makeCylinder", [0,0,h/2 res,0,0,-h/2 res, r res]]

// Or load an image.  This one is blurred to give depth.
//img = new image["file:treehouseLogoBlur2.png"]

// Load the blurred image remotely
img = new image["https://frinklang.org/frinksamp/treehouseLogoBlur2.png"]

// 2-pixel cube tool for carving
pixelTool = newJava["frink.graphics.VoxelArray", [0,2,0,2,0,2,true]]

emboss = v.cylindricalEmboss[img, 0,0,0, 180 deg, 2 radians, .95 h res, 20, 255, 0 cm res, 0 cm res, 0 cm res, .2 cm res, pixelTool, 0, 0, 0]
emboss2 = v.cylindricalEmboss[img, 0,0,0, 0 deg, 2 radians, .95 h res, 20, 255, 0 cm res, 0 cm res, 0 cm res, -.2 cm res, pixelTool, 0, 0, 0]

v.remove[emboss]    // Test removal
v = v.union[emboss2]   // Test addition
//v = emboss            // Just show embossing.

v.projectX[undef].show["X"]
v.projectY[undef].show["Y"]
v.projectZ[undef].show["Z"]

filename = "treehouseRollingPin.obj"
print["Writing $filename..."]
w = new Writer[filename]
w.println[v.toObjFormat["v", 1/(res mm)]]
w.close[]
println["done."]