From 716f4a9b5c4fe889f6c06788cd28c0f728a96b77 Mon Sep 17 00:00:00 2001
From: "lane.wei" <lane.wei@bambulab.com>
Date: Fri, 19 May 2023 20:29:54 +0800
Subject: [PATCH] FIX: fix a bbox compute error issue when using multiple
 height ranges

Change-Id: I8a5f044a9817b946eb1321f98b96fe5d1d4bcdf1
(cherry picked from commit 045ee2537cac64160d53b2aa2ce2b96ed63a6d86)
---
 src/libslic3r/PrintApply.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libslic3r/PrintApply.cpp b/src/libslic3r/PrintApply.cpp
index 45e0dd932..9804dd45c 100644
--- a/src/libslic3r/PrintApply.cpp
+++ b/src/libslic3r/PrintApply.cpp
@@ -581,7 +581,7 @@ static void transformed_its_bboxes_in_z_ranges(
                 if (p2->z() <= z_range.first || p1->z() >= z_range.second) {
                     // Out of this slab.
                 } else if (p1->z() < z_range.first) {
-                    if (p1->z() > z_range.second) {
+                    if (p2->z() > z_range.second) {
                         // Two intersections.
                         float zspan = p2->z() - p1->z();
                         float t1 = (z_range.first - p1->z())  / zspan;