src/path.cpp (be85cfc) - dxfngc · BlinkenArea

path.cpp

/* drawing (DXF) to G-code (NGC) converter
 * Copyright 2013 Stefan Schuermans <stefan@schuermans.info>
 * Copyleft: CC-BY-SA http://creativecommons.org/licenses/by-sa/3.0/
 */

#include <vector>

#include "gcode.h"
#include "path.h"
#include "point.h"
#include "settings.h"

/**
 * @brief add a new point to the end of the path
 * @param[in] point point to add
 */
void Path::addPoint(const Point &point)
{
  mPoints.push_back(point);
}

/**
 * @brief add a new point to the end of the path
 * @param[in] x x coordinate of point to add
 * @param[in] y y coordinate of point to add
 */
void Path::addPoint(double x, double y)
{
  addPoint(Point(x, y));
}

/**
 * @brief convert path to G-code
 * @param[in] settings G-code creation settings
 * @param[in,out] gcode new G-code is appended to existing G-code
 */
void Path::toGCode(const Settings &settings, GCode &gcode) const
{
  // leave if no points
  if (mPoints.empty())
    return;

// move up
  gcode.appendUp(settings.move_z);

// cut step-wise
  double z = settings.base_z;
  do {
    z -= settings.cut_z_step;
    if (z < settings.cut_z)
      z = settings.cut_z;

// move to start
    gcode.appendFast(mPoints.front());

// cut down
    gcode.appendFeed(settings.feed_drill);
    gcode.appendDown(z);

// cut along all points
    gcode.appendFeed(settings.feed_mill);
    Points::const_iterator pt = mPoints.begin();
    for (++pt; pt != mPoints.end(); ++pt)
      gcode.appendLinear(*pt);

// move up
    gcode.appendUp(settings.move_z);

} while (z > settings.cut_z);
}

dxfngc

initial version, DXFs can be read, some G-code can be produced