From a2d93df061ad9c8702153be8e80a9dd0533d90aa Mon Sep 17 00:00:00 2001
From: Norbert Herrmann <n.herrmann@physi.uni-heidelberg.de>
Date: Tue, 24 Nov 2020 16:22:19 +0100
Subject: [PATCH] add camera handling tools
---
macro/beamtime/camera_restore.C | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
create mode 100755 macro/beamtime/camera_restore.C
diff --git a/macro/beamtime/camera_restore.C b/macro/beamtime/camera_restore.C
new file mode 100755
index 0000000000..48fa4f808d
--- /dev/null
+++ b/macro/beamtime/camera_restore.C
@@ -0,0 +1,30 @@
+/*
+void camera_restore(const char* fname, int mode = 0)
+{
+ TEveManager::Create();
+ writeCurrentCamera(fname);
+}
+*/
+
+void writeCurrentCamera(const char* fname)
+{
+ TGLCamera& c = gEve->GetDefaultGLViewer()->CurrentCamera();
+ TFile* f = TFile::Open(fname, "RECREATE");
+ c.Write();
+ f->Close();
+}
+
+
+void readCurrentCamera(const char* fname)
+{
+ TGLCamera& c = gEve->GetDefaultGLViewer()->CurrentCamera();
+ TFile* f = TFile::Open(fname, "READ");
+ if (!f)
+ return;
+
+ if (f->GetKey(c.ClassName())) {
+ f->GetKey(c.ClassName())->Read(&c);
+ c.IncTimeStamp();
+ gEve->GetDefaultGLViewer()->RequestDraw();
+ }
+}
--
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