From dd3be93ea1df53df020b89be104adf862cbc263a Mon Sep 17 00:00:00 2001
From: Moritz Maxeiner <mm@ucw.sh>
Date: Wed, 5 Jul 2023 15:33:48 +0200
Subject: [PATCH] Throw exception if output file cannot be opened, try to
create output file path.
---
CMakeLists.txt | 2 ++
src/main.cc | 5 +++++
2 files changed, 7 insertions(+)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1cf4902..f52f4d5 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,6 +8,8 @@ add_executable(camera_calibration
src/main.cc
)
+set_property(TARGET camera_calibration PROPERTY CXX_STANDARD 17)
+
find_package(OpenCV 4 QUIET)
if(NOT OpenCV_FOUND)
find_package(OpenCV 3 REQUIRED)
diff --git a/src/main.cc b/src/main.cc
index 8d6f185..571872d 100755
--- a/src/main.cc
+++ b/src/main.cc
@@ -5,6 +5,7 @@
#include <string>
#include <ctime>
#include <cstdio>
+#include <filesystem>
#include <opencv2/core.hpp>
#include <opencv2/core/utility.hpp>
@@ -567,7 +568,11 @@ static void saveCameraParams( Settings& s, Size& imageSize, Mat& cameraMatrix, M
const vector<float>& reprojErrs, const vector<vector<Point2f> >& imagePoints,
double totalAvgErr )
{
+ filesystem::create_directories(filesystem::path(s.outputFileName).parent_path());
+
FileStorage fs( s.outputFileName, FileStorage::WRITE );
+ if (!fs.isOpened())
+ throw std::runtime_error("Could not open camara parameters file for writing");
time_t tm;
time( &tm );
--
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