bag_reader.cpp
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30 
31 #include <QFileDialog>
32 #include <QDir>
33 
35 
36 #include <rosbag/bag.h>
37 #include <rosbag/view.h>
38 
39 using namespace swri_console;
40 
41 void BagReader::readBagFile(const QString& filename)
42 {
43  rosbag::Bag bag;
44  bag.open(filename.toStdString(), rosbag::bagmode::Read);
45 
46  std::vector<std::string> topics;
47  topics.push_back(std::string("/rosout"));
48 
49  rosbag::View view(bag, rosbag::TopicQuery(topics));
51 
52  for(iter = view.begin(); iter != view.end(); ++iter)
53  {
54  rosgraph_msgs::LogConstPtr log = iter->instantiate<rosgraph_msgs::Log>();
55  if (log != NULL ) {
56  emit logReceived(log);
57  }
58  else {
59  qWarning("Got a message that was not a log message but a: %s", iter->getDataType().c_str());
60  }
61  }
62 
63  emit finishedReading();
64 }
65 
67 {
68  QString filename = QFileDialog::getOpenFileName(NULL,
69  tr("Open Bag File"),
70  QDir::homePath(),
71  tr("Bag Files (*.bag)"));
72 
73  if (filename != NULL)
74  {
75  readBagFile(filename);
76  }
77 }
void open(std::string const &filename, uint32_t mode=bagmode::Read)
void logReceived(const rosgraph_msgs::LogConstPtr &msg)
iterator const_iterator
void readBagFile(const QString &filename)
Definition: bag_reader.cpp:41
iterator end()
iterator begin()


swri_console
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autogenerated on Fri Apr 3 2020 03:20:03