Mercurial > hg-public > lasercut-scripts / file comparison
comparison: printrun-src/printrun/laser.py
printrun-src/printrun/laser.py
- changeset 19
- 234037fbca4b
- parent 18
- 11f6d97f83b0
- child 20
- 03b34402d405
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| 18:11f6d97f83b0 | 19:234037fbca4b |
|---|---|
| 6 | 6 |
| 7 """ | 7 """ |
| 8 LASERCUT SETTINGS | 8 LASERCUT SETTINGS |
| 9 TODO: move to printrun settings | 9 TODO: move to printrun settings |
| 10 """ | 10 """ |
| 11 ENGRAVE_SPEED = 40 * 60 # mm/min | 11 ENGRAVE_SPEED = 10 * 60 # mm/min |
| 12 # 30mm/min works for wood (regulate the output power to something between 10-30%) | 12 # 30mm/min works for wood (regulate the output power to something between 10-30%) |
| 13 # 30mm/min for black anodized aluminum to get a light engraving @ 100% power | 13 # 30mm/min for black anodized aluminum to get a light engraving @ 100% power |
| 14 # 10mm/min for black anodized aluminum to get more "silver" @ 100% power | 14 # 10mm/min for black anodized aluminum to get more "silver" @ 100% power |
| 15 | 15 |
| 16 TRAVEL_SPEED = 60 * 60 | 16 TRAVEL_SPEED = 120 * 60 |
| 17 E_FACTOR = 0.1 | 17 E_FACTOR = 0.5 |
| 18 | 18 |
| 19 # BITMAP: | 19 # BITMAP: |
| 20 DPI = 300 | 20 DPI = 300 |
| 21 GREY_THRESHOLD = 0 | 21 GREY_THRESHOLD = 0 |
| 22 CHANGE_DIRECTION = True | 22 CHANGE_DIRECTION = True |
| 182 fo.write("G1 X%.4f Y%.4f E%.4f\n" % (XMM, YMM, E * E_FACTOR)) | 182 fo.write("G1 X%.4f Y%.4f E%.4f\n" % (XMM, YMM, E * E_FACTOR)) |
| 183 last_bit = bit | 183 last_bit = bit |
| 184 if CHANGE_DIRECTION: | 184 if CHANGE_DIRECTION: |
| 185 DIR = DIR * (-1) # change y direction on every X | 185 DIR = DIR * (-1) # change y direction on every X |
| 186 | 186 |
| 187 fo.write("M571 S0 E0\n") | 187 fo.write("""M400 ; Wait for all moves to finish |
| 188 fo.write("M501 ; undo all settings made\n") | 188 M571 S0 E0 |
| 189 #fo.write("G28 X0 Y0 ; Home position\n") | 189 M42 P28 S0 ; Force laser off! |
| 190 M501 ; undo all settings made | |
| 191 """) | |
| 190 | 192 |
| 191 fo.close() | 193 fo.close() |
| 192 | 194 |
| 193 if self.pronterwindow: | 195 if self.pronterwindow: |
| 194 self.log("") | 196 self.log("") |
| 248 coord[0] = (float(coord[0]) + OFFSET_X) * SCALE_FACTOR | 250 coord[0] = (float(coord[0]) + OFFSET_X) * SCALE_FACTOR |
| 249 coord[1] = (float(coord[1]) + OFFSET_Y) * SCALE_FACTOR | 251 coord[1] = (float(coord[1]) + OFFSET_Y) * SCALE_FACTOR |
| 250 if LASER_STATE: | 252 if LASER_STATE: |
| 251 EN = " E%.4f F%.4f" % ( | 253 EN = " E%.4f F%.4f" % ( |
| 252 E_FACTOR * math.hypot(coord[0] - last_coord[0], coord[1] - last_coord[1]), | 254 E_FACTOR * math.hypot(coord[0] - last_coord[0], coord[1] - last_coord[1]), |
| 253 ENGRAVE_SPEED) | 255 ENGRAVE_SPEED * 0.5 ) # 1/2 engraving speed |
| 254 else: | 256 else: |
| 255 EN = " F%.4f" % TRAVEL_SPEED | 257 EN = " F%.4f" % TRAVEL_SPEED |
| 256 | 258 |
| 257 fo.write("G%d X%.4f Y%.4f%s\n" % ( | 259 fo.write("G%d X%.4f Y%.4f%s\n" % ( |
| 258 LASER_STATE, coord[0], coord[1], EN) ) | 260 LASER_STATE, coord[0], coord[1], EN) ) |
| 264 else: | 266 else: |
| 265 print "UNKNOWN: %s" % action | 267 print "UNKNOWN: %s" % action |
| 266 last_cmd = cmd | 268 last_cmd = cmd |
| 267 | 269 |
| 268 | 270 |
| 269 fo.write("M571 S0 E0\n") | 271 fo.write("""M400 ; Wait for all moves to finish |
| 270 fo.write("M501 ; undo all settings made\n") | 272 M571 S0 E0 |
| 271 #fo.write("G28 X0 Y0 ; Home position\n") | 273 M42 P28 S0 ; Force laser off! |
| 274 M501 ; undo all settings made | |
| 275 """) | |
| 272 | 276 |
| 273 fi.close() | 277 fi.close() |
| 274 fo.close() | 278 fo.close() |
| 275 | 279 |
| 276 if self.pronterwindow: | 280 if self.pronterwindow: |
| 277 self.log("") | 281 self.log("") |
| 278 self.pronterwindow.load_gcode_async(filename + '.g') | 282 self.pronterwindow.load_gcode_async(filename + '.g') |
| 279 | 283 |
| 280 | 284 |
| 281 def svg2gcode(self, filename, bed_max_x = 200, bed_max_y = 200, smoothness = 0.2): | 285 def svg2gcode(self, filename, bed_max_x = 50, bed_max_y = 50, smoothness = 0.2): |
| 282 self.log("Generating paths from SVG...") | 286 self.log("Generating paths from SVG...") |
| 283 | 287 |
| 284 preamble = """ | 288 preamble = """ |
| 285 ; Filename: %s | 289 ; Filename: %s |
| 286 ; GCode generated by bitplotter one-night-quick-hack script (marlin code flavour) | 290 ; GCode generated by bitplotter one-night-quick-hack script (marlin code flavour) |
| 301 | 305 |
| 302 """ % (filename, TRAVEL_SPEED, ENGRAVE_SPEED) | 306 """ % (filename, TRAVEL_SPEED, ENGRAVE_SPEED) |
| 303 self.log("Travel/Engrave speed: %d mm/sec, %d mm/sec" % ( | 307 self.log("Travel/Engrave speed: %d mm/sec, %d mm/sec" % ( |
| 304 TRAVEL_SPEED / 60, ENGRAVE_SPEED / 60) ) | 308 TRAVEL_SPEED / 60, ENGRAVE_SPEED / 60) ) |
| 305 | 309 |
| 306 postamble = "" | 310 postamble = """M400 ; Wait for all moves to finish |
| 311 M571 S0 E0 | |
| 312 M42 P28 S0 ; Force laser off! | |
| 313 M501 ; undo all settings made | |
| 314 """ | |
| 307 shape_preamble = "G92 E0\n" | 315 shape_preamble = "G92 E0\n" |
| 308 shape_postamble = """M571 S0 E0 | 316 shape_postamble = "" |
| 309 M501 ; undo all settings made | |
| 310 | |
| 311 """ | |
| 312 | 317 |
| 313 | 318 |
| 314 """ | 319 """ |
| 315 Used to control the smoothness/sharpness of the curves. | 320 Used to control the smoothness/sharpness of the curves. |
| 316 Smaller the value greater the sharpness. Make sure the | 321 Smaller the value greater the sharpness. Make sure the |
| 356 shape_obj = shape_class(elem) | 361 shape_obj = shape_class(elem) |
| 357 d = shape_obj.d_path() | 362 d = shape_obj.d_path() |
| 358 m = shape_obj.transformation_matrix() | 363 m = shape_obj.transformation_matrix() |
| 359 | 364 |
| 360 if d: | 365 if d: |
| 361 fo.write("; printing shape: %s\n" % (tag_suffix)) | 366 fo.write("M400 ; wait for moves finish, then printing shape: %s\n" % (tag_suffix)) |
| 362 E = 0 | 367 E = 0 |
| 363 xo = 0 | 368 xo = 0 |
| 364 yo = 0 | 369 yo = 0 |
| 365 fo.write(shape_preamble) | 370 fo.write(shape_preamble) |
| 366 p = point_generator(d, m, smoothness) | 371 p = point_generator(d, m, smoothness) |
| 367 start = True | 372 start = True |
| 368 for x,y,pen in p: | 373 for x,y,pen in p: |
| 369 y = height - y | 374 y = height - y |
| 370 xs = scale_x * x | 375 xs = scale_x * x |
| 371 ys = scale_y * y | 376 ys = scale_y * y |
| 377 if xo == xs and yo == ys: continue | |
| 378 | |
| 372 if not pen: start = True | 379 if not pen: start = True |
| 373 if xs >= 0 and xs <= bed_max_x and ys >= 0 and ys <= bed_max_y: | 380 if xs >= 0 and xs <= bed_max_x and ys >= 0 and ys <= bed_max_y: |
| 374 if start: | 381 if start: |
| 375 fo.write("G0 X%0.2f Y%0.2f ; Move to start of shape\n" % (xs, ys)) | 382 fo.write("G0 X%0.2f Y%0.2f F%.4f ; Move to start of shape\n" % (xs, ys, TRAVEL_SPEED)) |
| 376 start = False | 383 start = False |
| 377 xo = xs | 384 xo = xs |
| 378 yo = ys | 385 yo = ys |
| 379 else: | 386 else: |
| 380 e_distance = math.hypot(xs - xo, ys - yo) | 387 e_distance = math.hypot(xs - xo, ys - yo) |
| 381 xo = xs | 388 xo = xs |
| 382 yo = ys | 389 yo = ys |
| 383 E = E + (MM_PIXEL * e_distance) | 390 E = E + (e_distance) |
| 384 fo.write("G1 X%0.2f Y%0.2f E%.4f\n" % (xs, ys, E * E_FACTOR)) | 391 fo.write("G1 X%0.2f Y%0.2f E%.4f F%.4f\n" % (xs, ys, E * E_FACTOR, ENGRAVE_SPEED)) |
| 385 else: | 392 else: |
| 386 self.log("Position outside print dimension: %d, %d" % (xs, ys)) | 393 self.log("Position outside print dimension: %d, %d" % (xs, ys)) |
| 387 fo.write(shape_postamble) | 394 fo.write(shape_postamble) |
| 388 | 395 |
| 389 fo.write(postamble) | 396 fo.write(postamble) |
