static void boxSplit(vector<Rectangle3R> &boxes, Rectangle3R box,
unsigned count) {
if (count < 2) {
boxes.push_back(box);
return;
}
Rectangle3R left(box);
Rectangle3R right(box);
// Split on largest dimension (reduces overlap)
if (box.getLength() <= box.getWidth() && box.getHeight() <= box.getWidth())
right.rmin.x() = left.rmax.x() = (box.rmin.x() + box.rmax.x()) / 2;
else if (box.getWidth() <= box.getLength() &&
box.getHeight() <= box.getLength())
right.rmin.y() = left.rmax.y() = (box.rmin.y() + box.rmax.y()) / 2;
else right.rmin.z() = left.rmax.z() = (box.rmin.z() + box.rmax.z()) / 2;
boxSplit(boxes, left, count - 2);
boxSplit(boxes, right, count - 2);
}
void Project::updateAutomaticWorkpiece(ToolPath &path) {
if (!getAutomaticWorkpiece()) return;
setAutomaticWorkpiece(true);
Rectangle3R wpBounds;
// Guess workpiece bounds from cutting moves
vector<SmartPointer<Sweep> > sweeps;
vector<Rectangle3R> bboxes;
for (unsigned i = 0; i < path.size(); i++) {
const Move &move = path.at(i);
if (move.getType() == MoveType::MOVE_RAPID) continue;
int tool = move.getTool();
if (tool < 0) continue;
if (sweeps.size() <= (unsigned)tool) sweeps.resize(tool + 1);
if (sweeps[tool].isNull()) sweeps[tool] = tools.get(tool).getSweep();
sweeps[tool]->getBBoxes(move.getStartPt(), move.getEndPt(), bboxes, 0);
}
for (unsigned i = 0; i < bboxes.size(); i++) wpBounds.add(bboxes[i]);
if (wpBounds == Rectangle3R()) return;
// Start from z = 0
Vector3R bMin = wpBounds.getMin();
Vector3R bMax = wpBounds.getMax();
wpBounds = Rectangle3R(bMin, Vector3R(bMax.x(), bMax.y(), 0));
// At least 2mm thick
if (wpBounds.getHeight() < 2)
wpBounds.add(Vector3R(bMin.x(), bMin.y(), bMin.z() - 2));
if (wpBounds.isReal()) {
// Margin
Vector3R margin =
wpBounds.getDimensions() * getWorkpieceMargin() / 100.0;
wpBounds.add(wpBounds.getMin() - margin);
wpBounds.add(wpBounds.getMax() + Vector3R(margin.x(), margin.y(), 0));
setWorkpieceBounds(wpBounds);
}
}
void ViewPort::glDraw(const Rectangle3R &bbox) const {
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
// Background
glBegin(GL_QUADS);
glColor3ub(0x25, 0x30, 0x40);
glVertex2f(-1, -1);
glVertex2f(1, -1);
glColor3ub(0x5, 0x5, 0x5);
glVertex2f(1, 1);
glVertex2f(-1, 1);
glEnd();
// Compute "radius"
Vector3R dims = bbox.getDimensions();
real radius = dims.x() < dims.y() ? dims.y() : dims.x();
radius = dims.z() < radius ? radius : dims.z();
// Perspective
gluPerspective(45, (float)width / height, 1, 100000);
// Translate
glTranslatef(translation.x() * radius / zoom,
translation.y() * radius / zoom, 0);
// Scale
gluLookAt(0, 0, radius / zoom, 0, 0, 0, 0, 1, 0);
glMatrixMode(GL_MODELVIEW);
// Rotate
glRotated(rotation[0], rotation[1], rotation[2], rotation[3]);
// Center
Vector3R center = bbox.getCenter();
glTranslatef(-center.x(), -center.y(), -center.z());
// Axes
if (axes) {
double length = (bbox.getWidth() + bbox.getLength() + bbox.getHeight()) / 3;
length *= 0.1;
double radius = length / 20;
setLighting(true);
for (int axis = 0; axis < 3; axis++)
for (int up = 0; up < 2; up++)
drawAxis(axis, up, length, radius);
setLighting(false);
}
// Bounds
if (bounds) {
glEnable(GL_LINE_STIPPLE);
glLineStipple(1, 0x5555);
glLineWidth(1);
glColor4f(1, 1, 1, 0.5); // White
BoundsView(bbox).draw();
glDisable(GL_LINE_STIPPLE);
}
}