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Experimenting with flattening not changing zero

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This commit is contained in:
Allan Bazinet 2024-11-28 14:21:41 -08:00
parent e3344a58fa
commit 99526732af
1 changed files with 6 additions and 10 deletions
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16
plotter.cpp
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@ -369,17 +369,15 @@ CPlotter::drawData(WF::SWide swide)
QPainter p(&m_SpectrumPixmap);
// Add a point to the polyline, where x is the x coordinate, y is the
// computed value for y, and a is any adjustment that should be made.
// Add a point to the polyline.
auto const addPoint = [this,
gain = std::pow(10.0f, 0.02f * m_plot2dGain),
view = m_h2 * 0.9f,
span = m_h2 / 70.0f](int const x,
float const y,
int const a = 0)
float const y)
{
m_points.emplace_back(x, view - span * ((m_plot2dZero + gain * y) + a));
m_points.emplace_back(x, view - span * ((m_plot2dZero + gain * y)));
};
// Given an interator pointing to the first element of adjunct summary
@ -405,10 +403,9 @@ CPlotter::drawData(WF::SWide swide)
{
p.setPen(Qt::green);
auto const add = m_flatten ? 0 : 15;
auto const min = *std::min_element(it, end);
for (; it != end; ++it, ++x) addPoint(x, *it - min, add);
for (; it != end; ++it, ++x) addPoint(x, *it - min);
}
break;
@ -416,8 +413,7 @@ CPlotter::drawData(WF::SWide swide)
{
p.setPen(Qt::cyan);
auto const add = m_flatten ? 15 : 30;
auto sit = getStart(std::begin(dec_data.savg));
auto sit = getStart(std::begin(dec_data.savg));
for (; it != end; ++it, ++x, sit += m_binsPerPixel)
{
@ -428,7 +424,7 @@ CPlotter::drawData(WF::SWide swide)
auto const value)
{
return total + 10.0f * std::log10(value);
}) / m_binsPerPixel, add);
}) / m_binsPerPixel + 40);
}
}
break;