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Calibrations improvements (#14759)

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This commit is contained in:
Ian Bassi
2026-07-27 20:11:44 -03:00
committed by GitHub
parent 33dfb66aa5
commit 6bcb809dd0
6 changed files with 284 additions and 32 deletions
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36
src/libslic3r/GCode.cpp
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@@ -5530,7 +5530,9 @@ LayerResult GCode::process_layer(
//Calibration Layer-specific GCode
switch (print.calib_mode()) {
case CalibMode::Calib_PA_Tower: {
gcode += writer().set_pressure_advance(print.calib_params().start + static_cast<int>(print_z) * print.calib_params().step);
gcode += writer().set_pressure_advance(this->interpolate_value_across_layers(static_cast<float>(print.calib_params().start),
static_cast<float>(print.calib_params().end),
static_cast<float>(print.calib_params().step)));
break;
}
case CalibMode::Calib_Temp_Tower: {
@@ -5538,7 +5540,12 @@ LayerResult GCode::process_layer(
break;
}
case CalibMode::Calib_VFA_Tower: {
auto _speed = print.calib_params().start + std::floor(print_z / 5.0) * print.calib_params().step;
// Step the outer wall speed from start to end across the tower's layers. Plater::calib_VFA sizes the
// geometry so each speed step spans one visual block (a fixed number of layers), so the layer-based
// stepping stays aligned with the blocks regardless of nozzle size / layer height.
float _speed = this->interpolate_value_across_layers(static_cast<float>(print.calib_params().start),
static_cast<float>(print.calib_params().end),
static_cast<float>(print.calib_params().step));
m_calib_config.set_key_value("outer_wall_speed", new ConfigOptionFloatsNullable({std::round(_speed)}));
break;
}
@@ -8343,29 +8350,22 @@ std::string GCode::extrusion_role_to_string_for_parser(const ExtrusionRole & rol
}
// Calculate the interpolated value for the current layer between start_value and end_value.
// Step will create equal layers steps from first to last value.
// Step > 0 splits the range into equal-width bands from first to last value (both inclusive).
// Step = 0 means gradual interpolation finishing at last value.
float GCode::interpolate_value_across_layers(float start_value, float end_value, float step) const
{
if (m_layer_index <= 1) {
return start_value;
}
else {
bool use_steps = step > 0.f;
if (use_steps) {
if (start_value > end_value) {
start_value += step;
} else {
end_value += step;
}
}
float ratio = m_layer_index / (m_layer_count - 1.f);
float value = start_value + ratio * (end_value - start_value);
if (use_steps) {
value = trunc(value / step) * step;
}
return value;
const float ratio = m_layer_index / (m_layer_count - 1.f);
if (step > 0.f) {
// Discrete equal-width bands. band is clamped to the last band so the result can't overshoot the range:
// at the top layer ratio * n_bands == n_bands, which would otherwise index one band past the end.
const int n_bands = std::lround(std::abs(end_value - start_value) / step) + 1;
const int band = std::min(n_bands - 1, static_cast<int>(ratio * n_bands));
return start_value + (end_value >= start_value ? 1.f : -1.f) * band * step;
}
return start_value + ratio * (end_value - start_value);
}
std::string encodeBase64(uint64_t value)