QT C++ graphics display WIDGET

Hi,

I think i understand your question.
You are drawing a toolpath. And this is stacking up huge ammounts of points or segments to draw.
Yes, this is a problem if it's done a few times a second.

I think when you do it a little different, the result is better, like:

If you have a point to push back. You monitor how far the tcp has moved by a function like:

double dist=sqrt(pow(x,2)+pow(y,2)+pow(z,2);
if(dist>3){
   path.push_back(Point)
}

for(double i=0; i<pathpoints.size(); i++){
    Construct a linestrip or segments.
}

In above way, it only add's a new item if the distance to previous point has a minimal value. It will not pile up a unlimited
ammount of points related to the qui refresh rate.

 

@Grotius
Yes, you are right, but that only reduces the problem. It doesn't solve it.
Plus, e.g. small holes look ugly. Corners too.
Any other idea ?

Hi Udo,

Indeed it doen't solve the problem. It just hurt's less.

I did not try this before, but drawing just a pixel at the toolpath could be the best way.
Avoiding making shapes with opencascade.

Try to find a function that draws a pixel in the occ screen at a certain xyz point. This should be possible somehow.
If you construct a std::vector<PIXEL> for this. You can empty the toolpath at once.










 

@Grotius
For now my solution is to display just the last 1000 edges. That is just around 50 msec update-time.


 

Hi,

Nice video. You made progress !!