// Test face for (almost) convexeness. Allows certain convexity before
// complaining.
// For every two consecutive edges calculate the normal. If it differs too
// much from the average face normal complain.
bool Foam::combineFaces::convexFace
(
const scalar minConcaveCos,
const pointField& points,
const face& f
)
{
// Get outwards pointing normal of f.
vector n = f.normal(points);
n /= mag(n);
// Get edge from f[0] to f[size-1];
vector ePrev(points[f.first()] - points[f.last()]);
scalar magEPrev = mag(ePrev);
ePrev /= magEPrev + VSMALL;
forAll(f, fp0)
{
// Get vertex after fp
label fp1 = f.fcIndex(fp0);
// Normalized vector between two consecutive points
vector e10(points[f[fp1]] - points[f[fp0]]);
scalar magE10 = mag(e10);
e10 /= magE10 + VSMALL;
if (magEPrev > SMALL && magE10 > SMALL)
{
vector edgeNormal = ePrev ^ e10;
if ((edgeNormal & n) < 0)
{
// Concave. Check angle.
if ((ePrev & e10) < minConcaveCos)
{
return false;
}
}
}
ePrev = e10;
magEPrev = magE10;
}
void HistoryWindow::fill()
{
log(L_DEBUG, "Fill");
if (m_it == NULL)
m_it = new HistoryIterator(m_id);
if (m_progress == NULL){
m_progress = new HistoryProgressBar(m_status);
m_status->addWidget(m_progress, 1);
}
m_it->setFilter(m_filter);
m_progress->setTotalSteps(CorePlugin::m_plugin->getHistoryPage());
m_progress->setProgress(0);
m_progress->show();
m_nMessages = 0;
if (m_bDirection){
m_it->end();
}else{
m_it->begin();
}
if (m_states.size()){
m_it->setState(m_states[m_page].c_str());
}else{
m_states.push_back(m_it->state());
}
m_view->setText(QString::null);
QTimer::singleShot(0, this, SLOT(next()));
Command cmd;
cmd->id = CmdHistoryNext;
cmd->flags = COMMAND_DISABLED;
cmd->param = (void*)m_id;
Event eNext(EventCommandDisabled, cmd);
eNext.process();
cmd->id = CmdHistoryPrev;
cmd->flags = (m_page > 0) ? 0 : COMMAND_DISABLED;
Event ePrev(EventCommandDisabled, cmd);
ePrev.process();
}
