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refactor: rename ixex_carriage_width → ixex_nozzle_clearance; fix strip math and carriage box visualization

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Config key rename (breaking for saved profiles — call out in PR):
  ixex_carriage_width_x/y → ixex_nozzle_clearance_x/y
  Labels updated to "Nozzle Clearance X/Y" with consistent tooltips
  describing the measurement as nozzle-to-collision-side-edge distance.

Strip math fix:
  Previously halved the clearance value (× 0.5) under the assumption
  the nozzle was centered in the carriage. The measurement is now the
  literal nozzle-to-edge distance, so the × 0.5 factor is removed.
  The collision strip width now equals the configured value directly.

Carriage box visualization (GCodeViewer):
  - Add per-carriage box_offset_x/y so the nozzle marker sits at the
    physically correct edge of the footprint box rather than centered.
  - X: zone-based by default (nozzle at inner edge facing bed center).
    Copy secondaries inherit the primary's X orientation (same movement
    direction). Mirror secondaries use the collision-side edge.
  - Y: always row-based regardless of copy/mirror mode. Gantry is always
    behind the nozzle (high-Y); front-row primaries with a back-row
    secondary override to place nozzle at the low-Y edge.
  - Fix stale mesh bug: GLModel::init_from() is a no-op when already
    initialized. Call reset() before init_from() so mesh rebuilds
    correctly when nozzle clearance values change in config.
  - Remove m_ixex_toolhead_box_dims (was the now-unnecessary cache key).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Clifford Garwood
2026-04-06 14:57:57 -04:00
co-authored by Claude Sonnet 4.6
parent a9ad17cea2
commit 167211c85c
7 changed files with 73 additions and 43 deletions
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src/libslic3r/PrintConfig.cpp
+6 -6
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@@ -5530,17 +5530,17 @@ void PrintConfigDef::init_fff_params()
def->mode = comAdvanced;
def->set_default_value(new ConfigOptionString("front-left"));
def = this->add("ixex_carriage_width_x", coFloat);
def->label = L("Carriage Width X");
def->tooltip = L("Toolhead footprint in the X direction (mm). Used to calculate usable bed zones and detect carriage collisions.");
def = this->add("ixex_nozzle_clearance_x", coFloat);
def->label = L("Nozzle Clearance X");
def->tooltip = L("Distance (mm) from the nozzle to the collision-side carriage edge in X. Used to calculate the width of the collision exclusion strip at each X boundary.");
def->sidetext = L("mm");
def->min = 0;
def->mode = comAdvanced;
def->set_default_value(new ConfigOptionFloat(30.0));
def = this->add("ixex_carriage_width_y", coFloat);
def->label = L("Carriage Width Y");
def->tooltip = L("Toolhead footprint in the Y direction (mm). Used for collision detection.");
def = this->add("ixex_nozzle_clearance_y", coFloat);
def->label = L("Nozzle Clearance Y");
def->tooltip = L("Distance (mm) from the nozzle to the collision-side carriage edge in Y. Used to calculate the width of the collision exclusion strip at each Y boundary.");
def->sidetext = L("mm");
def->min = 0;
def->mode = comAdvanced;