PixelTiempo Splines::alentarPixel(const PixelTiempo &P, int c0, int c1) const
{
int q = (c1 - 1) / (c0 - 1);
PixelTiempo r(c1);
bool finish = false;
for (int f = 0; f <= (c0 - 1) / reset && !finish; f++)
{
int first = f * reset;
int last = std::min(reset * (f + 1), (int) P.size() - 1);
if (std::min(reset * (f + 2), (int) P.size() - 1) - last < 2)
{
last = P.size() - 1;
finish = true;
}
std::vector <Polynomial> z = buildSpline(Vector(P.begin() + (f * reset), P.begin() + last), q);
for (int i = 0; i < last - (f * reset); i++)
{
for (int j = 0; j < q; j++)
{
double x = ((f * reset + i) * q) + j;
r[x] = toPixel(z[i].a + z[i].b * j + z[i].c * std::pow(j, 2) + z[i].d * std::pow(j, 3));
}
}
}
r[c1 - 1] = P[c0 - 1];
return r ;
}
InsetStackItem RasterLayerProperties::getConfig() const
{
InsetStackItem cfg;
// in the InsetStackItem:
// 'maxlevel' is the level to use for the blend (not the inset's max)
// 'override' max is the level we want to use regardless of the
// inset's max level
// GetInsetLevels() extracts the inset's min/max level from the inset
cfg.dataAsset = assetNameLabel->text().latin1();
uint insetmin = 0;
uint insetmax = 0;
GetMinMaxLevels(cfg.dataAsset, insetmin, insetmax);
cfg.overridemax = toPixel( overrideMaxSpin->value() );
if ( cfg.overridemax == insetmax )
cfg.overridemax = 0;
//cfg.peergroup = peerGroupSpin->value();
cfg.maxlevel = cfg.overridemax;
if (!cfg.maxlevel) {
cfg.maxlevel = insetmax;
} else if (cfg.maxlevel > insetmax) {
cfg.maxlevel = insetmax;
} else if (cfg.maxlevel < insetmin) {
cfg.maxlevel = insetmin;
}
return cfg;
}
void MarginValueWidget::slotValueChanged(double v)
{
if(!m_block)
{
m_margin = toPixel(v, m_mode);
emit marginChanged(margin());
}
}
// Uses image plane coordinates to construct rays from lens
Colour Camera::sampleLens(double x, double y) const {
x = (x * focalDistance_) / factor_;
y = (y * focalDistance_) / factor_;
Colour col;
// sample aperture disk for DOF, if not pinhole camera
if ( apertureRadius_ > std::numeric_limits<double>::epsilon() && apertureSampler_.n() > 1) {
for (auto const& sample : apertureSampler_)
{
// respect the jacobian when sampling disk
double r = sqrt(sample[0])*apertureRadius_;
double theta = 2*M_PI*sample[1];
// find the aperture point that acts as the origin of the ray
Point3D aperturePoint(r*cos(theta),
r*sin(theta), 0);
// get direction to focus point
Vector3D toPixel(Point3D(x, y, -focalDistance_) - aperturePoint);
// construct ray
Ray3D ray(viewToWorld_.transformPoint(aperturePoint.v),
viewToWorld_.transformVector(toPixel.v));
// sample scene with ray
col += sceneSamplingFunc_(ray);
}
// divide by number of samples taken by the sampler
col /= apertureSampler_.n() ;
}
// otherwise it's a pinhole camera
else {
// shoot a single ray directly through center of aperture
Ray3D ray(eye_, viewToWorld_.transformVector(Eigen::Vector3d(x, y, -focalDistance_)));
col += sceneSamplingFunc_(ray);
}
return col;
}
float MarginValueWidget::margin()
{
// Force synchronization
m_margin = toPixel(value(), m_mode);
return m_margin;
}