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Handle coded thresholds

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This commit is contained in:
Dan Paulat 2022-04-10 11:21:15 -05:00
parent cc36922e99
commit cf3c780abf
1 changed files with 66 additions and 43 deletions
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109
scwx-qt/source/scwx/qt/view/level3_product_view.cpp
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@ -174,52 +174,75 @@ void Level3ProductView::UpdateColorTable()
lut.resize(numberOfLevels - rangeMin); lut.resize(numberOfLevels - rangeMin);
lut.shrink_to_fit(); lut.shrink_to_fit();
std::for_each(std::execution::par_unseq, std::for_each(
dataRange.begin(), std::execution::par_unseq,
dataRange.end(), dataRange.begin(),
[&](uint16_t i) dataRange.end(),
{ [&](uint16_t i)
if (i == RANGE_FOLDED && threshold > RANGE_FOLDED) {
{ const size_t lutIndex = i - *dataRange.begin();
lut[i - *dataRange.begin()] = p->colorTable_->rf_color(); float f;
}
else
{
float f;
// Different products use different scale/offset // Different products use different scale/offset formulas
// formulas if (numberOfLevels > 16)
if (numberOfLevels > 16) {
{ if (i == RANGE_FOLDED && threshold > RANGE_FOLDED)
switch (descriptionBlock->product_code()) {
{ lut[lutIndex] = p->colorTable_->rf_color();
case 159: }
case 161: else
case 163: {
case 167: switch (descriptionBlock->product_code())
case 168: {
case 170: case 159:
case 172: case 161:
case 173: case 163:
case 174: case 167:
case 175: case 168:
case 176: case 170:
f = (i - offset) / scale; case 172:
break; case 173:
case 174:
case 175:
case 176:
f = (i - offset) / scale;
break;
default: default:
f = i * scale + offset; f = i * scale + offset;
break; break;
} }
}
else
{
f = descriptionBlock->data_level_threshold(i);
}
lut[i - *dataRange.begin()] = p->colorTable_->Color(f); lut[lutIndex] = p->colorTable_->Color(f);
} }
}); }
else
{
uint16_t th = descriptionBlock->data_level_threshold(i);
if ((th & 0x8000u) == 0)
{
// If bit 0 is zero, then the LSB is numeric
f = static_cast<float>(th);
lut[lutIndex] = p->colorTable_->Color(f);
}
else
{
// If bit 0 is one, then the LSB is coded
uint16_t lsb = th & 0x00ffu;
switch (lsb)
{
case 3: // RF
lut[lutIndex] = p->colorTable_->rf_color();
break;
default: // Ignore other values
lut[lutIndex] = boost::gil::rgba8_pixel_t {0, 0, 0, 0};
break;
}
}
}
});
p->colorTableMin_ = rangeMin; p->colorTableMin_ = rangeMin;
p->colorTableMax_ = rangeMax; p->colorTableMax_ = rangeMax;