void MetricNamesRep::setColoredTextList(std::vector<std::pair<QColor, QString> > text, Eigen::Array2d pos, vtkViewport *vp)
{
mDisplayText.clear();
if (vp==0)
{
vp = this->getRenderer();
}
// if (vp==0)
// {
// return;
// }
DoubleBoundingBox3D bb;
bb = this->findNormalizedBoundingBoxAroundText(text, pos, vp);
double meanHeight = bb.range()[1]/text.size();
for (unsigned i=0; i<text.size(); ++i)
{
TextDisplayPtr rep;
rep.reset( new TextDisplay( text[i].second, text[i].first, mFontSize) );
rep->textProperty()->SetJustificationToLeft();
rep->getActor()->GetPositionCoordinate()->SetCoordinateSystemToNormalizedViewport();
Vector3D currentPos = bb.bottomLeft() + (meanHeight*i)*Eigen::Vector3d::UnitY();
rep->setPosition(currentPos);
rep->setRenderer(this->getRenderer());
mDisplayText.push_back(rep);
}
}
/**Normalize volume defined by in to volume defined by out.
*
* This is intended for creating transforms from one viewport to another, i.e.
* the two boxes should be aligned and differ only in translation + scaling.
*/
Transform3D createTransformNormalize(const DoubleBoundingBox3D& in, const DoubleBoundingBox3D& out)
{
// translate input bottomleft to origin, scale, translate back to output bottomleft.
Transform3D T0 = createTransformTranslate(-in.bottomLeft());
Vector3D inrange = in.range();
Vector3D outrange = out.range();
Vector3D scale;
// check for zero input dimensions
for (unsigned i = 0; i < scale.size(); ++i)
{
if (fabs(inrange[i]) < 1.0E-5)
scale[i] = 0;
else
scale[i] = outrange[i] / inrange[i];
}
Transform3D S = createTransformScale(scale);
Transform3D T1 = createTransformTranslate(out.bottomLeft());
Transform3D M = T1 * S * T0;
return M;
}
bool similar(const DoubleBoundingBox3D& a, const DoubleBoundingBox3D& b, double tol)
{
return similar(a.bottomLeft(), b.bottomLeft(), tol) && similar(a.topRight(), b.topRight(), tol);
}
/**Transform bb using the transform m.
* Only the two defining corners are actually transformed.
*/
DoubleBoundingBox3D transform(const Transform3D& m, const DoubleBoundingBox3D& bb)
{
Vector3D a = m.coord(bb.bottomLeft());
Vector3D b = m.coord(bb.topRight());
return DoubleBoundingBox3D(a, b);
}