From 041ca29ab70d7e71b36b4d91447abff69581272d Mon Sep 17 00:00:00 2001
From: "xun.zhang" <xun.zhang@bambulab.com>
Date: Wed, 16 Oct 2024 15:02:51 +0800
Subject: [PATCH] ENH: modify filament group strategy

jira:NONE

Signed-off-by: xun.zhang <xun.zhang@bambulab.com>
Change-Id: Iac837beeb7a5c4684aea38c3e3925a67cd916fe8
(cherry picked from commit e3f4496adf87ce68691c2e511b065925784c54e1)
---
 src/libslic3r/FilamentGroup.cpp      | 2 +-
 src/libslic3r/GCode/ToolOrdering.cpp | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libslic3r/FilamentGroup.cpp b/src/libslic3r/FilamentGroup.cpp
index 59f2a83bc7..5a7d461ac5 100644
--- a/src/libslic3r/FilamentGroup.cpp
+++ b/src/libslic3r/FilamentGroup.cpp
@@ -534,7 +534,7 @@ namespace Slic3r
         if (used_filament_num < 10)
             return calc_filament_group_by_enum(layer_filaments, used_filaments, g_strategy, cost);
         else
-            return calc_filament_group_by_pam2(layer_filaments, used_filaments, g_strategy, cost, 300);
+            return calc_filament_group_by_pam2(layer_filaments, used_filaments, g_strategy, cost, 500);
     }
 
     // sorted used_filaments
diff --git a/src/libslic3r/GCode/ToolOrdering.cpp b/src/libslic3r/GCode/ToolOrdering.cpp
index de720a5fdf..3c7f999308 100644
--- a/src/libslic3r/GCode/ToolOrdering.cpp
+++ b/src/libslic3r/GCode/ToolOrdering.cpp
@@ -979,7 +979,7 @@ std::vector<int> ToolOrdering::get_recommended_filament_maps(const std::vector<s
             fg.set_memory_threshold(0.02);
             fg.get_custom_seq = get_custom_seq;
 
-            ret = fg.calc_filament_group(layer_filaments, FGStrategy::BestFit);
+            ret = fg.calc_filament_group(layer_filaments, FGStrategy::BestCost);
 
             // optimize for master extruder id
             optimize_group_for_master_extruder(used_filaments, context, ret);