Add scarf seam config options

src/libslic3r/Preset.cpp

@@ -456,6 +456,7 @@ static std::vector<std::string> s_Preset_print_options {
     "top_solid_layers", "top_solid_min_thickness", "bottom_solid_layers", "bottom_solid_min_thickness",
     "extra_perimeters", "extra_perimeters_on_overhangs", "avoid_crossing_curled_overhangs", "avoid_crossing_perimeters", "thin_walls", "overhangs",
     "seam_position","staggered_inner_seams", "external_perimeters_first", "fill_density", "fill_pattern", "top_fill_pattern", "bottom_fill_pattern",
+    "scarf_seam_placement", "scarf_seam_only_on_smooth", "scarf_seam_start_height", "scarf_seam_entire_loop", "scarf_seam_length", "scarf_seam_max_segment_length", "scarf_seam_on_inner_perimeters",
     "infill_every_layers", /*"infill_only_where_needed",*/ "solid_infill_every_layers", "fill_angle", "bridge_angle",
     "solid_infill_below_area", "only_retract_when_crossing_perimeters", "infill_first",
     "ironing", "ironing_type", "ironing_flowrate", "ironing_speed", "ironing_spacing",

src/libslic3r/PrintConfig.cpp

@@ -193,8 +193,17 @@ static const t_config_enum_values s_keys_map_SeamPosition {
     { "aligned",        spAligned },
     { "rear",           spRear }
 };
+
 CONFIG_OPTION_ENUM_DEFINE_STATIC_MAPS(SeamPosition)
 
+static const t_config_enum_values s_keys_map_ScarfSeamPlacement {
+    { "nowhere",        static_cast<int>(ScarfSeamPlacement::nowhere) },
+    { "contours",       static_cast<int>(ScarfSeamPlacement::countours) },
+    { "everywhere",     static_cast<int>(ScarfSeamPlacement::everywhere) }
+};
+
+CONFIG_OPTION_ENUM_DEFINE_STATIC_MAPS(ScarfSeamPlacement)
+
 static const t_config_enum_values s_keys_map_SLADisplayOrientation = {
     { "landscape",      sladoLandscape},
     { "portrait",       sladoPortrait}
@@ -2645,6 +2654,66 @@ void PrintConfigDef::init_fff_params()
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionBool(false));
 
+    def = this->add("scarf_seam_placement", coEnum);
+    def->label = L("Scarf joint placement");
+    def->category = L("Layers and Perimeters");
+    def->tooltip = L("Where to place scarf joint seam.");
+    def->mode = comAdvanced;
+    def->set_default_value(new ConfigOptionEnum<ScarfSeamPlacement>(ScarfSeamPlacement::nowhere));
+    def->set_enum<ScarfSeamPlacement>({
+        { "nowhere", L("Nowhere") },
+        { "contours", L("Contours") },
+        { "everywhere", L("Everywhere") }
+    });
+
+    def = this->add("scarf_seam_only_on_smooth", coBool);
+    def->label = L("Scarf joint only on smooth perimeters");
+    def->category = L("Layers and Perimeters");
+    def->tooltip = L("Only use the scarf joint when the perimeter is smooth.");
+    def->mode = comAdvanced;
+    def->set_default_value(new ConfigOptionBool(true));
+
+    def = this->add("scarf_seam_start_height", coPercent);
+    def->label = L("Scarf start height");
+    def->category = L("Layers and Perimeters");
+    def->tooltip = L("Start height of the scarf joint specified as fraction of the current layer height.");
+    def->sidetext = L(" %");
+    def->min = 0;
+    def->mode = comAdvanced;
+    def->set_default_value(new ConfigOptionPercent(0));
+
+    def = this->add("scarf_seam_entire_loop", coBool);
+    def->label = L("Scarf joint around entire perimeter");
+    def->category = L("Layers and Perimeters");
+    def->tooltip = L("Extend the scarf around entire length of the perimeter.");
+    def->mode = comAdvanced;
+    def->set_default_value(new ConfigOptionBool(false));
+
+    def = this->add("scarf_seam_length", coFloat);
+    def->label = L("Scarf joint length");
+    def->category = L("Layers and Perimeters");
+    def->tooltip = L("Length of the scarf joint.");
+    def->sidetext = L("mm");
+    def->min = 0;
+    def->mode = comAdvanced;
+    def->set_default_value(new ConfigOptionFloat(20));
+
+    def = this->add("scarf_seam_max_segment_length", coFloat);
+    def->label = L("Max scarf joint segment length");
+    def->category = L("Layers and Perimeters");
+    def->tooltip = L("Maximal length of any scarf joint segment.");
+    def->sidetext = L("mm");
+    def->min = 0.15;
+    def->mode = comAdvanced;
+    def->set_default_value(new ConfigOptionFloat(1.0));
+
+    def = this->add("scarf_seam_on_inner_perimeters", coBool);
+    def->label = L("Scarf joint on inner perimeters");
+    def->category = L("Layers and Perimeters");
+    def->tooltip = L("Use scarf joint on inner perimeters.");
+    def->mode = comAdvanced;
+    def->set_default_value(new ConfigOptionBool(false));
+
 #if 0
     def = this->add("seam_preferred_direction", coFloat);
 //    def->gui_type = ConfigOptionDef::GUIType::slider;

src/libslic3r/PrintConfig.hpp

@@ -143,6 +143,12 @@ enum SeamPosition {
     spRandom, spNearest, spAligned, spRear
 };
 
+enum class ScarfSeamPlacement {
+    nowhere,
+    countours,
+    everywhere
+};
+
 enum SLAMaterial {
     slamTough,
     slamFlex,
@@ -244,6 +250,7 @@ CONFIG_OPTION_ENUM_DECLARE_STATIC_MAPS(SupportMaterialPattern)
 CONFIG_OPTION_ENUM_DECLARE_STATIC_MAPS(SupportMaterialStyle)
 CONFIG_OPTION_ENUM_DECLARE_STATIC_MAPS(SupportMaterialInterfacePattern)
 CONFIG_OPTION_ENUM_DECLARE_STATIC_MAPS(SeamPosition)
+CONFIG_OPTION_ENUM_DECLARE_STATIC_MAPS(ScarfSeamPlacement)
 CONFIG_OPTION_ENUM_DECLARE_STATIC_MAPS(SLADisplayOrientation)
 CONFIG_OPTION_ENUM_DECLARE_STATIC_MAPS(SLAPillarConnectionMode)
 CONFIG_OPTION_ENUM_DECLARE_STATIC_MAPS(SLASupportTreeType)
@@ -732,6 +739,14 @@ PRINT_CONFIG_CLASS_DEFINE(
     // Single perimeter.
     ((ConfigOptionEnum<TopOnePerimeterType>, top_one_perimeter_type))
     ((ConfigOptionBool,                 only_one_perimeter_first_layer))
+
+    ((ConfigOptionEnum<ScarfSeamPlacement>, scarf_seam_placement))
+    ((ConfigOptionBool,                     scarf_seam_only_on_smooth))
+    ((ConfigOptionPercent,                  scarf_seam_start_height))
+    ((ConfigOptionBool,                     scarf_seam_entire_loop))
+    ((ConfigOptionFloat,                    scarf_seam_length))
+    ((ConfigOptionFloat,                    scarf_seam_max_segment_length))
+    ((ConfigOptionBool,                     scarf_seam_on_inner_perimeters))
 )
 
 PRINT_CONFIG_CLASS_DEFINE(

src/libslic3r/PrintObject.cpp

@@ -875,6 +875,13 @@ bool PrintObject::invalidate_state_by_config_options(
             steps.emplace_back(posSlice);
         } else if (
                opt_key == "seam_position"
+            || opt_key == "scarf_seam_placement"
+            || opt_key == "scarf_seam_only_on_smooth"
+            || opt_key == "scarf_seam_start_height"
+            || opt_key == "scarf_seam_entire_loop"
+            || opt_key == "scarf_seam_length"
+            || opt_key == "scarf_seam_max_segment_length"
+            || opt_key == "scarf_seam_on_inner_perimeters"
             || opt_key == "seam_preferred_direction"
             || opt_key == "seam_preferred_direction_jitter"
             || opt_key == "support_material_speed"

src/slic3r/GUI/ConfigManipulation.cpp

@@ -345,6 +345,16 @@ void ConfigManipulation::toggle_print_fff_options(DynamicPrintConfig* config)
     toggle_field("min_feature_size", have_arachne);
     toggle_field("min_bead_width", have_arachne);
     toggle_field("thin_walls", !have_arachne);
+
+    toggle_field("scarf_seam_placement", !has_spiral_vase);
+    const auto scarf_seam_placement{config->opt_enum<ScarfSeamPlacement>("scarf_seam_placement")};
+    const bool uses_scarf_seam{!has_spiral_vase && scarf_seam_placement != ScarfSeamPlacement::nowhere};
+    toggle_field("scarf_seam_only_on_smooth", uses_scarf_seam);
+    toggle_field("scarf_seam_start_height", uses_scarf_seam);
+    toggle_field("scarf_seam_entire_loop", uses_scarf_seam);
+    toggle_field("scarf_seam_length", uses_scarf_seam);
+    toggle_field("scarf_seam_max_segment_length", uses_scarf_seam);
+    toggle_field("scarf_seam_on_inner_perimeters", uses_scarf_seam);
 }
 
 void ConfigManipulation::toggle_print_sla_options(DynamicPrintConfig* config)

src/slic3r/GUI/Tab.cpp

@@ -1458,6 +1458,15 @@ void TabPrint::build()
         optgroup = page->new_optgroup(L("Advanced"));
         optgroup->append_single_option_line("seam_position", category_path + "seam-position");
         optgroup->append_single_option_line("staggered_inner_seams", category_path + "staggered-inner-seams");
+
+        optgroup->append_single_option_line("scarf_seam_placement", category_path + "scarf-seam-placement");
+        optgroup->append_single_option_line("scarf_seam_only_on_smooth", category_path + "scarf-seam-only-on-smooth");
+        optgroup->append_single_option_line("scarf_seam_start_height", category_path + "scarf-seam-start-height");
+        optgroup->append_single_option_line("scarf_seam_entire_loop", category_path + "scarf-seam-entire-loop");
+        optgroup->append_single_option_line("scarf_seam_length", category_path + "scarf-seam-length");
+        optgroup->append_single_option_line("scarf_seam_max_segment_length", category_path + "scarf-seam-max-segment-length");
+        optgroup->append_single_option_line("scarf_seam_on_inner_perimeters", category_path + "scarf-seam-on-inner-perimeters");
+
         optgroup->append_single_option_line("external_perimeters_first", category_path + "external-perimeters-first");
         optgroup->append_single_option_line("gap_fill_enabled", category_path + "fill-gaps");
         optgroup->append_single_option_line("perimeter_generator");