1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 | /** Copyright (C) 2015-2024 by Autodesk, Inc. All rights reserved. $Revision: 44110 058ad3fcadd4bcf4c23db3bffce724e6c8437b07 $ $Date: 2024-01-30 13:09:09 $ FORKID {B5B66186-5B39-4510-BFE1-E8D7F359234D} */ description = "Lightburn" ; vendor = "Lightburn" ; legal = "Copyright (C) 2015-2024 by Autodesk, Inc." ; certificationLevel = 2; longDescription = "Generic post for Lightburn laser software. The post will output the toolpath as SVG graphics which can be imported into Lightburn manually or automatically." ; extension = "svg" ; mimetype = "image/svg+xml" ; setCodePage( "utf-8" ); capabilities = CAPABILITY_JET; minimumCircularSweep = toRad(0.01); maximumCircularSweep = toRad(90); // avoid potential center calculation errors for CNC allowHelicalMoves = true ; allowedCircularPlanes = (1 << PLANE_XY); // only XY arcs properties = { aStartLightburnAfterPostprocessing: { title : "Automatically load design in Lightburn" , description: "Automatically loads your design in Lightburn after post processing is complete. Lightburn will be automatically started if necessary." , group : "lightburn" , type : "boolean" , value : false , scope : "post" }, bLightburnInstallationPath: { title : "Installation Path of Lightburn's SendUDP.exe" , description: "Specifies the location of a Lightburn file called SendUDP.exe that should live in the file location that Lightburn is installed. " + "This file is most commonly found at C:\\Program Files\\LightBurn\\SendUDP.exe. " + "However, you should verify the true location and enter it here. If this location is not correct, the post processor will NOT be able to open Lightburn." , group: "lightburn" , type : "string" , value: "C:\\Program Files\\LightBurn\\SendUDP.exe" , scope: "post" }, aLineWidth: { title : "SVG stroke width (mm)" , description: "The width of lines in the SVG in mm." , group : "preferences" , type : "number" , value : 0.1, scope : "post" }, aCheckForRadiusCompensation: { title : "Disallow sideways compensation" , description: "Check every operation for Sideways Compensation 'In Control'. Throw an error if enabled and Sideways Compensation is used." , group : "preferences" , type : "boolean" , value : false , scope : "post" }, aIgnoreLeadMoves: { title : "Ignore lead-in/lead-out moves" , description: "Enable to ignore lead-in/lead-out moves." , group : "preferences" , type : "boolean" , value : true , scope : "post" } }; groupDefinitions = { lightburn: {title: "Lightburn Options" , collapsed: true , order:25} }; xyzFormat = createFormat({decimals:3}); decimalFormat = createFormat({decimals:3}); // Recommended colors for color mapping. var COLOR_00 = "000000" ; var COLOR_01 = "0000FF" ; var COLOR_02 = "FF0000" ; var COLOR_03 = "00E000" ; var COLOR_04 = "D0D000" ; var COLOR_05 = "FF8000" ; var COLOR_06 = "00E0E0" ; var COLOR_07 = "FF00FF" ; var COLOR_08 = "B4B4B4" ; var COLOR_09 = "0000A0" ; var COLOR_10 = "A00000" ; var COLOR_11 = "00A000" ; var COLOR_12 = "A0A000" ; var COLOR_13 = "C08000" ; var COLOR_14 = "00A0FF" ; var COLOR_15 = "A000A0" ; var COLOR_16 = "808080" ; var COLOR_17 = "7D87B9" ; var COLOR_18 = "BB7784" ; var COLOR_19 = "4A6FE3" ; var COLOR_20 = "D33F6A" ; var COLOR_21 = "8CD78C" ; var COLOR_22 = "F0B98D" ; var COLOR_23 = "F6C4E1" ; var COLOR_24 = "FA9ED4" ; var COLOR_25 = "500A78" ; var COLOR_26 = "B45A00" ; var COLOR_27 = "004754" ; var COLOR_28 = "86FA88" ; var COLOR_29 = "FFDB66" ; var COLOR_CYCLE = [COLOR_00, COLOR_01, COLOR_02, COLOR_03, COLOR_04, COLOR_05, COLOR_06, COLOR_07, COLOR_08, COLOR_09, COLOR_10, COLOR_11, COLOR_12, COLOR_13, COLOR_14, COLOR_15, COLOR_16, COLOR_17, COLOR_18, COLOR_19, COLOR_20, COLOR_21, COLOR_22, COLOR_23, COLOR_24, COLOR_25, COLOR_26, COLOR_27, COLOR_28, COLOR_29]; var MIN_COLORS = 6; // minimum number of colors /** Select a subset of colors so our preferred color pallet is used (and not simply the color with the lowest hex value first). */ function selectColors() { var requiredColors = Math.max(MIN_COLORS, getNumberOfSections()); // makes sure that more than enough colors get made var finalColorCycle = []; var numColors = COLOR_CYCLE.length; // if the number of default colors is too small, we will build lighter shades of those colors to fill in the extra needed colors var alphaSteps = Math.ceil(requiredColors / numColors); var alphaStepSize = 1 / (alphaSteps + 1); // + 1 stops the last alpha blend stage for all colors being FFFFFF var alphaStepIndex = 0; var colorIndex = 0; var finalColorCycle = []; for ( var i = 0; i < requiredColors; i++) { finalColorCycle.push(alphaBlendHexColor(COLOR_CYCLE[colorIndex], 1 - (alphaStepSize * alphaStepIndex))); colorIndex += 1; // next color if (colorIndex >= numColors) { colorIndex = 0; // start back at the first color alphaStepIndex++; // next lighter shade } } // reset all color related variables to allow re-runs machineState.activeColorCycle = sortColors(finalColorCycle); } function compareHexValues(a, b) { if (a.hexValue < b.hexValue) { return -1; } if (a.hexValue > b.hexValue) { return 1; } return 0; } /** Lightburn doesn't respect the order of operations in the SVG file, it re-sorts them by the hex color value in ascending order so here the color cycle is sorted to preserve op order from CAM. */ function sortColors(inputColors) { var mappedColors = new Array(); for ( var color in inputColors) { mappedColors.push({hexColor: "#" + inputColors[color], hexValue:parseInt(inputColors[color], 16)}); } mappedColors.sort(compareHexValues); var returnColors = new Array(); for ( var color in mappedColors) { returnColors.push(mappedColors[color].hexColor); } return returnColors; } /** Returns a hex color that is alphaPercent lighter than the input color. */ function alphaBlendHexColor(hexColorString, alphaPercent) { // alphaPercent needs to be converted from a float to a fraction of 255 var alpha = alphaPercent; // hex color needs to be converted from a hex string to its constituent parts: var red = parseInt(hexColorString.substring(0, 2), 16); var green = parseInt(hexColorString.substring(2, 4), 16); var blue = parseInt(hexColorString.substring(4, 6), 16); return [alphaBlend(red, alpha), alphaBlend(green, alpha), alphaBlend(blue, alpha)].join( "" ); } /** Returns properly padded 2 digit hex strings for RGB color channels. */ function toHexColorChannel(decimal) { var hex = decimal.toString(16); return (hex.length === 1 ? "0" : "" ) + hex; } /** Alpha blend a color channel white. */ function alphaBlend(colorChannel, alpha) { return toHexColorChannel(Math.round((1 - alpha) * 255 + alpha * colorChannel)); } /** Called on the start of each section, initalizes the first color from the active color cycle. */ function nextColor() { machineState.currentColorIndex++; if (machineState.currentColorIndex >= machineState.activeColorCycle.length) { error(localize( "Not enough colors were generated!" )); } machineState.currentHexColor = machineState.activeColorCycle[machineState.currentColorIndex]; } var useFillForSection = false ; // should the current section be cut (using a stroke) or etched (using a fill)? /** For Etch/Vaporize/Engrave, returns fill settings, otherwise none. */ function fill() { if (useFillForSection) { return "fill=\"" + machineState.currentHexColor + "\"" ; } return "fill=\"none\"" ; } /** for through cuts, returns stroke settings, otherwise none */ function stroke() { if (useFillForSection) { return "stroke=\"none\"" ; } return "stroke=\"" + machineState.currentHexColor + "\" stroke-width=\"" + getProperty( "aLineWidth" ) + "\"" ; } var activePathElements = []; function addPathElement() { var args = Array.prototype.slice.call(arguments); // don't allow moves after a rapid or similar move if (arguments[0] === "M" ) { if (machineState.allowMoveCommand) { // if this is a move, this should disable further moves untill rapid or similar is detected. machineState.allowMoveCommand = false ; } else { // skip rendering this move command since it was not preceeded by a rapid move return ; } } activePathElements.push(args.join( " " )); } function finishPath() { if (!activePathElements || activePathElements.length === 0) { error(localize( "An operation resulted in no detectable paths!" )); return ; } var opComment = hasParameter( "operation-comment" ) ? getParameter( "operation-comment" ) : "[No Title]" ; writeln( "<g id=" \"operation-" " +=" " (1=" " currentsection.getid())=" " " \ "=" ">" ); writeln( " <title>" + opComment + " (" + localize( "Op" ) + ": " + (1 + currentSection.getId()) + "/" + getNumberOfSections() + ")</title>" ); writeln( " <path d=" \"" " +=" " activepathelements.join(" \n= "" ")=" " " \ "=" " " = "" fill()= "" stroke()= "" > " ); writeln(" </path></g> "); activePathElements = []; machineState.allowMoveCommand = true; } /** return true if the program should halt because of missing radius compensation in the computer */ function isRadiusCompensationInvalid() { if (getProperty(" aCheckForRadiusCompensation ") && (radiusCompensation != RADIUS_COMPENSATION_OFF)) { error(localize(subst(" Operation: %1. The Sideways Compensation type 'In Control ' is not supported. This must be set to ' In Computer ' in the passes tab.", (1 + currentSection.getId())))); return; } } function printVector(v) { return decimalFormat.format(v.x) + "," + decimalFormat.format(v.y); } var machineState; /** Global state. */ function resetState() { return { // selected colors to use for this run activeColorCycle : null, // the hex string of the current color currentHexColor : null, // the index of the current color currentColorIndex: -1, // track if the next path element can be a move command allowMoveCommand : null, }; } function onOpen() { unit = MM; // machine requires input in MM // reset all per-run state machineState = resetState(); // select colors now that the number of ops is available selectColors(); // calculate workpiece dimensions var workpiece = getWorkpiece(); workpiece.expandTo(new Vector(0, 0, 0)); // include origin of WCS, which is always 0,0,0 // calculate translations var translateX = 0; var translateY = 0; writeln("<!--?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?-->"); writeln("<svg xmlns="\"http://www.w3.org/2000/svg\"">"); writeln("<desc>Created with " + description + " for Fusion CAM and HSM. To download visit: " + POST_URL + "</desc>"); // translate + scale operation to flip the Y axis so the output is in the same x/y orientation it was in Fusion writeln("<g id="\"global-translation-frame\"" transform="\"translate("" +="" decimalformat.format(translatex)="" ",="" "="" decimalformat.format(translatey)="" ")="" scale(1,="" -1)\"="">"); } function onComment(text) { writeln("<!--" + text + "-->"); } function onSection() { switch (tool.type) { case TOOL_WATER_JET: warning(localize("Using waterjet cutter but allowing it anyway.")); break; case TOOL_LASER_CUTTER: break; case TOOL_PLASMA_CUTTER: warning(localize("Using plasma cutter but allowing it anyway.")); break; case TOOL_MARKER: warning(localize("Using marker but allowing it anyway.")); break; default: error(localize("The CNC does not support the required tool.")); return; } // use Jet Mode to decide if the shape should be filled or have no fill switch (currentSection.jetMode) { case JET_MODE_THROUGH: useFillForSection = false; break; case JET_MODE_ETCHING: case JET_MODE_VAPORIZE: useFillForSection = true; break; default: error(localize("Unsupported cutting mode.")); return; } var remaining = currentSection.workPlane; if (!isSameDirection(remaining.forward, new Vector(0, 0, 1))) { error(localize("Tool orientation is not supported.")); return; } setRotation(remaining); nextColor(); } function ignoreMove() { switch (movement) { case MOVEMENT_CUTTING: case MOVEMENT_REDUCED: case MOVEMENT_FINISH_CUTTING: break; case MOVEMENT_LEAD_IN: case MOVEMENT_LEAD_OUT: if (getProperty("aIgnoreLeadMoves")) { machineState.allowMoveCommand = true; return true; } break; case MOVEMENT_RAPID: case MOVEMENT_HIGH_FEED: case MOVEMENT_LINK_TRANSITION: case MOVEMENT_LINK_DIRECT: default: machineState.allowMoveCommand = true; return true; } return false; } function writeLine(x, y) { isRadiusCompensationInvalid(); if (ignoreMove()) { return; } var start = getCurrentPosition(); if ((xyzFormat.format(start.x) == xyzFormat.format(x)) && (xyzFormat.format(start.y) == xyzFormat.format(y))) { return; // ignore vertical } addPathElement("M", xyzFormat.format(start.x), xyzFormat.format(start.y)); addPathElement("L", xyzFormat.format(x), xyzFormat.format(y)); } function onRapid(x, y, z) { writeLine(x, y); } function onLinear(x, y, z, feed) { writeLine(x, y); } function onCircular(clockwise, cx, cy, cz, x, y, z, feed) { isRadiusCompensationInvalid(); if (ignoreMove()) { return; } var start = getCurrentPosition(); var largeArc = (getCircularSweep() > Math.PI) ? 1 : 0; var sweepFlag = isClockwise() ? 0 : 1; addPathElement("M", xyzFormat.format(start.x), xyzFormat.format(start.y)); addPathElement("A", xyzFormat.format(getCircularRadius()), xyzFormat.format(getCircularRadius()), 0, largeArc, sweepFlag, xyzFormat.format(x), xyzFormat.format(y)); } function onCommand() { } function onSectionEnd() { finishPath(); } function onClose() { writeln("</g>"); writeln("</svg>"); } function onTerminate() { if (getProperty("aStartLightburnAfterPostprocessing")) { var outputPath = getOutputPath(); // Find the output path for the SVG file the post processor is creating var exePath = getProperty("bLightburnInstallationPath"); if (!FileSystem.isFile(exePath)) { error(localize("Lightburn software was not found on your machine. Use property ' LightburnInstallationPath' to set the full path to the executable.")); return ; } executeNoWait(exePath, "\"" + outputPath + "\"" , false , "" ); // Open Lightburn via SendUDP.ext and load the SVG file that this post processor created } } |