From 805cea42eb85769b33d738cec6a42e8d81108a5a Mon Sep 17 00:00:00 2001
From: Oleg Alexandrov <oleg.alexandrov@gmail.com>
Date: Tue, 14 May 2024 15:49:02 -0700
Subject: [PATCH] Use image center when computing flying height (#485)
---
src/UsgsAstroLsSensorModel.cpp | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/UsgsAstroLsSensorModel.cpp b/src/UsgsAstroLsSensorModel.cpp
index 8d1d985..4a88aca 100644
--- a/src/UsgsAstroLsSensorModel.cpp
+++ b/src/UsgsAstroLsSensorModel.cpp
@@ -629,8 +629,10 @@ void UsgsAstroLsSensorModel::updateState() {
"based on dx {} dy {} dz {}",
m_gsd, dx, dy, dz)
- // Compute flying height
- csm::EcefCoord sensorPos = getSensorPosition(0.0);
+ // Compute the flying height. Use the center of the image, as for
+ // m_referencePointXyz and m_gsd.
+ ip = csm::ImageCoord(lineCtr, sampCtr);
+ csm::EcefCoord sensorPos = getSensorPosition(ip);
dx = sensorPos.x - m_referencePointXyz.x;
dy = sensorPos.y - m_referencePointXyz.y;
dz = sensorPos.z - m_referencePointXyz.z;
--
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