Mercurial > hg-public > scubatools / file comparison
comparison: stl.py
stl.py
- changeset 9
- a01a3fd32073
- child 10
- d26669bf424e
equal
deleted
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| 8:63b6f80e09ef | 9:a01a3fd32073 |
|---|---|
| 1 import data, os, config, subprocess | |
| 2 | |
| 3 OPENSCAD_MODULES = """ | |
| 4 module tank(x, r, h) { | |
| 5 color("SteelBlue") render() { //rotate([90,0,0]) { | |
| 6 translate([x, r, r]) { | |
| 7 sphere(r = r); // bottom | |
| 8 cylinder(h = h-2*r, r = r); | |
| 9 } | |
| 10 translate([x, r, h-r]) { | |
| 11 sphere(r = r); // top | |
| 12 cylinder(h = r*1.4, r = r*0.25); | |
| 13 } | |
| 14 } | |
| 15 } | |
| 16 | |
| 17 module spacer(x, r, rcyl, h) { | |
| 18 color("DarkGrey") render() { //rotate([90,0,0]) { | |
| 19 translate([x, r, rcyl]) { | |
| 20 difference() { | |
| 21 cylinder(h = h-2*rcyl, r = r); | |
| 22 cylinder(h = h-2*rcyl, r = r*0.8); | |
| 23 } | |
| 24 } | |
| 25 } | |
| 26 } | |
| 27 $fn = 25; // high detail per default | |
| 28 """ | |
| 29 | |
| 30 def run_openscad(output): | |
| 31 if os.path.isfile(output): | |
| 32 print "skipping existing file %s" % output | |
| 33 return | |
| 34 print "rendering %s" % output | |
| 35 subprocess.check_call([ | |
| 36 'openscad', | |
| 37 '-o', | |
| 38 output, | |
| 39 config.TMP_SCAD | |
| 40 ]) | |
| 41 | |
| 42 def precompile_all_stl(): | |
| 43 base = os.path.abspath('stl') | |
| 44 hmin = 9999 | |
| 45 rmax = 0 | |
| 46 for cyl in data.CYLINDER.keys(): | |
| 47 with open(config.TMP_SCAD, "w") as fn: | |
| 48 fn.write(OPENSCAD_MODULES) | |
| 49 fn.write("tank(0, %f, %f);" % ( | |
| 50 data.CYLINDER[cyl][0] / 2 * config.SCALE3D, | |
| 51 data.CYLINDER[cyl][1] * config.SCALE3D)) | |
| 52 run_openscad(os.path.join(base, | |
| 53 'cylinder_' + cyl + '.stl')) | |
| 54 if data.CYLINDER[cyl][1] < hmin: | |
| 55 hmin = data.CYLINDER[cyl][1] | |
| 56 if data.CYLINDER[cyl][0] > rmax: | |
| 57 rmax = data.CYLINDER[cyl][0] | |
| 58 | |
| 59 for pipe in data.PIPES: | |
| 60 with open(config.TMP_SCAD, "w") as fn: | |
| 61 fn.write(OPENSCAD_MODULES) | |
| 62 fn.write("spacer(0, %f, %f, %f);" % ( | |
| 63 pipe[1] / 2 * config.SCALE3D, | |
| 64 rmax / 2 * config.SCALE3D, | |
| 65 hmin * config.SCALE3D)) | |
| 66 run_openscad(os.path.join(base, | |
| 67 'spacer_' + pipe[0] + '.stl')) | |
| 68 |
