private void readDataFeatures(IFMEOReader fmeReader, ref int featureCount)
{
// Initialize counters
int numFeatures = 0;
// Now, read all the different features
IFMEOFeature fmeFeature = m_fmeSession.CreateFeature();
while (fmeReader.Read(fmeFeature))
{
// Log the feature to the log file
m_fmeLogFile.LogFeature(fmeFeature, FMEOMessageLevel.Inform, -1);
// Increment feature count
numFeatures++;
// For every feature, we will put it into m_featureTypeDictionary
insertIntoFeatureTypeDictionary(fmeFeature);
// Check if we need to update status bar
if ((numFeatures % m_kUpdateInterval) == 0)
{
updateStatusBar("Read " + numFeatures.ToString() + " features...");
}
// Create a new feature for the next read
fmeFeature = m_fmeSession.CreateFeature();
}
fmeFeature.Dispose();
featureCount = numFeatures;
}
private void openOption_Click(object sender, System.EventArgs e)
{
try
{
if (m_fmeDialog.SourcePrompt("", "", m_dataInfo, m_createDirectives))
{
// Disposes and clears entries inside m_featureTypeDictionary
resetAllDictionaries();
// Add IFMEOReader code here
// Update status bar
updateStatusBar("Reading from source...");
// If we are here, then the user did not hit Cancel. Now let's
// create a reader to read in features. Caching is enabled for
// the reader to improve performance on subsequent re-reads.
IFMEOReader fmeReader = m_fmeSession.CreateReader(m_dataInfo.Format, false,
m_createDirectives);
// Open the reader
StringCollection openParams = new StringCollection();
fmeReader.Open(m_dataInfo.Dataset, openParams);
int featureCount = 0;
// Now, read in the data features
readDataFeatures(fmeReader, ref featureCount);
// Update status bar with final feature count
updateStatusBar("Total features: " + featureCount.ToString());
// Clean up reader
fmeReader.Close();
fmeReader.Dispose();
fmeReader = null;
// Refresh the current tab
refreshCurrentTab();
// Enable the tab panels
tabControl1.Enabled = true;
}
}
catch (FMEOException ex)
{
// Log errors to log file
m_fmeLogFile.LogMessageString(ex.FmeErrorMessage, FMEOMessageLevel.Error);
m_fmeLogFile.LogMessageString(ex.FmeStackTrace, FMEOMessageLevel.Error);
m_fmeLogFile.LogMessageString(ex.FmeErrorNumber.ToString(),
FMEOMessageLevel.Error);
// Now exit the application
Application.Exit();
}
}
