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Use parallel std::find_if to find radial at azimuth

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This commit is contained in:
Dan Paulat 2024-01-02 23:23:59 -06:00
parent 20191dce07
commit b67f546774
1 changed files with 30 additions and 25 deletions
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29
scwx-qt/source/scwx/qt/view/level3_radial_view.cpp
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@ -556,19 +556,23 @@ Level3RadialView::GetBinLevel(const common::Coordinate& coordinate) const
// Find Radial
const std::uint16_t numRadials = radialData->number_of_radials();
std::uint16_t radial = numRadials;
double nextAngle = radialData->start_angle(0);
for (std::uint16_t i = 0; i < numRadials; ++i)
auto radials = boost::irange<std::uint32_t>(0u, numRadials);
auto radial = std::find_if( //
std::execution::par_unseq,
radials.begin(),
radials.end(),
[&](std::uint32_t i)
{
double startAngle = nextAngle;
nextAngle = radialData->start_angle((i + 1) % numRadials);
bool found = false;
double startAngle = radialData->start_angle(i);
double nextAngle = radialData->start_angle((i + 1) % numRadials);
if (startAngle < nextAngle)
{
if (startAngle <= azi1 && azi1 < nextAngle)
{
radial = i;
break;
found = true;
}
}
else
@ -576,13 +580,14 @@ Level3RadialView::GetBinLevel(const common::Coordinate& coordinate) const
// If the bin crosses 0/360 degrees, special handling is needed
if (startAngle <= azi1 || azi1 < nextAngle)
{
radial = i;
break;
}
found = true;
}
}
if (radial == numRadials)
return found;
});
if (radial == radials.end())
{
// No radial was found (not likely to happen without a gap in data)
return std::nullopt;
@ -590,7 +595,7 @@ Level3RadialView::GetBinLevel(const common::Coordinate& coordinate) const
// Compute threshold at which to display an individual bin
const std::uint16_t snrThreshold = descriptionBlock->threshold();
const std::uint8_t level = radialData->level(radial).at(gate);
const std::uint8_t level = radialData->level(*radial).at(gate);
if (level < snrThreshold && level != RANGE_FOLDED)
{