
How can I make “real-time” plots with wxMathPlot
By: a guest on Jan 28th, 2012 | syntax:
None | size: 1.50 KB | hits: 11 | expires: Never
void mpFXYVector::AddData(float x, float y, std::vector<double> &xs, std::vector<double> &ys)
{
// Check if the data vectora are of the same size
if (xs.size() != ys.size()) {
wxLogError(_("wxMathPlot error: X and Y vector are not of the same length!"));
return;
}
//Delete first point if you need a filo buffer (i dont need it)
//xs.erase(xs.begin());
//xy.erase(xy.begin());
//Add new Data points at the end
xs.push_back(x);
ys.push_back(y);
// Copy the data:
m_xs = xs;
m_ys = ys;
// Update internal variables for the bounding box.
if (xs.size()>0)
{
m_minX = xs[0];
m_maxX = xs[0];
m_minY = ys[0];
m_maxY = ys[0];
std::vector<double>::const_iterator it;
for (it=xs.begin();it!=xs.end();it++)
{
if (*it<m_minX) m_minX=*it;
if (*it>m_maxX) m_maxX=*it;
}
for (it=ys.begin();it!=ys.end();it++)
{
if (*it<m_minY) m_minY=*it;
if (*it>m_maxY) m_maxY=*it;
}
m_minX-=0.5f;
m_minY-=0.5f;
m_maxX+=0.5f;
m_maxY+=0.5f;
}
else
{
m_minX = -1;
m_maxX = 1;
m_minY = -1;
m_maxY = 1;
}
}
m_Vector->AddData(xPos,yPos,vectorX, vectorY);
m_plot->Fit();