// Method to write the metadata to files
// Gets filenames from private member myFileName
private void writeMetadataToFile(ref StartExperimentDialog myExperimentDialog, ref RabiSelector myRabiSelector,
ref string FolderPath, ref TextWriter[] myFile, int numberOfFiles)
{
// These variables are needed for windowed files only
// But need to create them anyway else C# will complain...
//*****************//
// Store the number sideband we are on
int sbCurrent = sbToScan;
// Store whether we are on a red or blue sideband
char sbRedOrBlue = 'R';
// Store the current sideband in readable format e.g. 001R
string sbCurrentString = "";
//*****************//
// Go through each file (this will only be run once for continuous & fixed files)
for (int i = 0; i < numberOfFiles; i++)
{
// Generating the current filename:
//*******************************//
// This line happens for both continuous & windowed files
myFileName[i] = FolderPath + @"\" + myExperimentDialog.ExperimentName.Text + "_readings";
// These bits only need adding to windowed files
if (specType == "Windowed")
{
myFileName[i] += "_";
// Add preceding 0s to keep format of sideband number as XXX
if (sbCurrent < 10)
{
sbCurrentString = "00";
}
else if (sbCurrent < 100)
{
sbCurrentString = "0";
}
else
{
sbCurrentString = "";
}
// Add current sideband number to filename
sbCurrentString += sbCurrent;
// If not on carrier, add R or B
if (sbCurrent != 0)
{
sbCurrentString += sbRedOrBlue;
}
// Add string to filename
myFileName[i] += sbCurrentString;
}
myFileName[i] += ".txt";
//*******************************//
// Now we get to actually create the file!
myFile[i] = new StreamWriter(myFileName[i]);
//*********************************//
// Write the metadata to the file
//
myFile[i].WriteLine("Spectroscopy data file");
myFile[i].WriteLine(DateTime.Now.ToString("dd/MM/yyyy HH:mm:ss"));
// Spectrum type
myFile[i].WriteLine("Spectrum Type:");
myFile[i].WriteLine(specType);
// 729 direction
myFile[i].WriteLine("729 Direction:");
myFile[i].WriteLine(specDir);
// Trap voltage
myFile[i].WriteLine("Trap Voltage (V):");
myFile[i].WriteLine(this.trapVBox.Value);
// Axial frequency
myFile[i].WriteLine("Axial Frequency (kHz):");
myFile[i].WriteLine(this.axFreqBox.Value);
// Modified cyc freq
myFile[i].WriteLine("Modified Cyclotron Frequency (kHz):");
myFile[i].WriteLine(this.modcycFreqBox.Value);
// Magnetron freq
myFile[i].WriteLine("Magnetron Frequency (kHz):");
myFile[i].WriteLine(this.magFreqBox.Value);
// AOM start freq
myFile[i].WriteLine("AOM Start Frequency (MHz):");
double startFreqMHz = (double)(startFreqArray[i] / 1000000d); // Calculate in MHz (stored in Hz)
myFile[i].WriteLine(startFreqMHz);
// Carrier frequency
myFile[i].WriteLine("Carrier Frequency (MHz):");
myFile[i].WriteLine(this.carFreqBox.Value);
// Step size
myFile[i].WriteLine("Step Size (kHz or ticks):");
// For fixed spectra, put in step size of pulse length variation
if (specType == "Fixed")
{
myFile[i].WriteLine(fixed_stepSize);
}
else
{
myFile[i].WriteLine(this.stepSizeBox.Value); // Othewise, take from core form
}
// Sidebands/side
myFile[i].WriteLine("Sidebands to scan / side:");
if (specType == "Windowed")
{
myFile[i].WriteLine(sbToScan);
}
else
{
myFile[i].WriteLine("N/A");
}
// Sideband width
myFile[i].WriteLine("Sideband Width (steps):");
if (specType == "Windowed")
{
myFile[i].WriteLine(sbWidth);
}
else
{
myFile[i].WriteLine("N/A");
}
// 729 RF amplitude
myFile[i].WriteLine("729 RF Amplitude (dBm):");
myFile[i].WriteLine(rfAmp);
// Number of repeats
myFile[i].WriteLine("Number of repeats per frequency:");
myFile[i].WriteLine(myExperimentDialog.NumberOfRepeats.Value);
// Number interleaved
myFile[i].WriteLine("File contains interleaved spectra:");
myFile[i].WriteLine(myExperimentDialog.NumberOfSpectra.Value);
// Sideband number
myFile[i].WriteLine("This is sideband:");
if (specType == "Windowed")
{
myFile[i].WriteLine(sbCurrentString); // Windowed spectrum, print out readable string
}
else
{
myFile[i].WriteLine("N/A"); // Non-windowed spectra, print "N/A"
}
// Fixed spectrum - pulse start length
myFile[i].WriteLine("Pulse Start Length (fixed freq):");
if (specType == "Fixed")
{
myFile[i].WriteLine(fixed_startLength);
}
else
{
myFile[i].WriteLine("N/A");
}
// Fixed spectrum - number of steps
myFile[i].WriteLine("Number of Steps (fixed freq):");
if (specType == "Fixed")
{
myFile[i].WriteLine(myRabiSelector.stepsSelect.Value.ToString());
}
else
{
myFile[i].WriteLine("N/A");
}
// Name for each spectrum
for (int j = 0; j < myExperimentDialog.NumberOfSpectra.Value; j++)
{
myFile[i].WriteLine("Spectrum " + (j + 1) + " name:");
myFile[i].WriteLine(myExperimentDialog.SpectrumNames[j].Text);
}
// Notes section
myFile[i].WriteLine("Notes:");
myFile[i].WriteLine("#" + myExperimentDialog.NotesBox.Text);
// Title for data
myFile[i].WriteLine("Data:");
// Flush & close the file
myFile[i].Flush();
myFile[i].Close();
//*********************************//
// For the next filename:
// Only needs to happen for windowed files
//*********************//
if (specType == "Windowed")
{
// If we are still on the red side, just decrease the sideband number
if (i < sbToScan)
{
sbCurrent--;
}
else if (i == sbToScan)
// If we have reached the carrier
{
// Change R to B
sbRedOrBlue = 'B';
// Increase sideband number
sbCurrent++;
}
// If we are on the blue side, just increase the sideband number
else
{
sbCurrent++;
}
}
} //End of loop which goes through each file
}
// Method to write the metadata to files
// Gets filenames from private member myFileName
private void writeMetadataToFile( ref StartExperimentDialog myExperimentDialog, ref RabiSelector myRabiSelector,
ref string FolderPath, ref TextWriter[] myFile, int numberOfFiles)
{
// These variables are needed for windowed files only
// But need to create them anyway else C# will complain...
//*****************//
// Store the number sideband we are on
int sbCurrent = sbToScan;
// Store whether we are on a red or blue sideband
char sbRedOrBlue = 'R';
// Store the current sideband in readable format e.g. 001R
string sbCurrentString = "";
//*****************//
// Go through each file (this will only be run once for continuous & fixed files)
for (int i = 0; i < numberOfFiles; i++)
{
// Generating the current filename:
//*******************************//
// This line happens for both continuous & windowed files
myFileName[i] = FolderPath + @"\" + myExperimentDialog.ExperimentName.Text + "_readings";
// These bits only need adding to windowed files
if (specType == "Windowed")
{
myFileName[i] += "_";
// Add preceding 0s to keep format of sideband number as XXX
if (sbCurrent < 10) sbCurrentString = "00";
else if (sbCurrent < 100) sbCurrentString = "0";
else sbCurrentString = "";
// Add current sideband number to filename
sbCurrentString += sbCurrent;
// If not on carrier, add R or B
if (sbCurrent != 0) sbCurrentString += sbRedOrBlue;
// Add string to filename
myFileName[i] += sbCurrentString;
}
myFileName[i] += ".txt";
//*******************************//
// Now we get to actually create the file!
myFile[i] = new StreamWriter(myFileName[i]);
//*********************************//
// Write the metadata to the file
//
myFile[i].WriteLine("Spectroscopy data file");
myFile[i].WriteLine(DateTime.Now.ToString("dd/MM/yyyy HH:mm:ss"));
// Spectrum type
myFile[i].WriteLine("Spectrum Type:");
myFile[i].WriteLine(specType);
// 729 direction
myFile[i].WriteLine("729 Direction:");
myFile[i].WriteLine(specDir);
// Trap voltage
myFile[i].WriteLine("Trap Voltage (V):");
myFile[i].WriteLine(this.trapVBox.Value);
// Axial frequency
myFile[i].WriteLine("Axial Frequency (kHz):");
myFile[i].WriteLine(this.axFreqBox.Value);
// Modified cyc freq
myFile[i].WriteLine("Modified Cyclotron Frequency (kHz):");
myFile[i].WriteLine(this.modcycFreqBox.Value);
// Magnetron freq
myFile[i].WriteLine("Magnetron Frequency (kHz):");
myFile[i].WriteLine(this.magFreqBox.Value);
// AOM start freq
myFile[i].WriteLine("AOM Start Frequency (MHz):");
double startFreqMHz = (double)(startFreqArray[i] / 1000000d); // Calculate in MHz (stored in Hz)
myFile[i].WriteLine(startFreqMHz);
// Carrier frequency
myFile[i].WriteLine("Carrier Frequency (MHz):");
myFile[i].WriteLine(this.carFreqBox.Value);
// Step size
myFile[i].WriteLine("Step Size (kHz or ticks):");
// For fixed spectra, put in step size of pulse length variation
if (specType == "Fixed") myFile[i].WriteLine(fixed_stepSize);
else myFile[i].WriteLine(this.stepSizeBox.Value); // Othewise, take from core form
// Sidebands/side
myFile[i].WriteLine("Sidebands to scan / side:");
if (specType == "Windowed") myFile[i].WriteLine(sbToScan);
else myFile[i].WriteLine("N/A");
// Sideband width
myFile[i].WriteLine("Sideband Width (steps):");
if (specType == "Windowed") myFile[i].WriteLine(sbWidth);
else myFile[i].WriteLine("N/A");
// 729 RF amplitude
myFile[i].WriteLine("729 RF Amplitude (dBm):");
myFile[i].WriteLine(rfAmp);
// Number of repeats
myFile[i].WriteLine("Number of repeats per frequency:");
myFile[i].WriteLine(myExperimentDialog.NumberOfRepeats.Value);
// Number interleaved
myFile[i].WriteLine("File contains interleaved spectra:");
myFile[i].WriteLine(myExperimentDialog.NumberOfSpectra.Value);
// Sideband number
myFile[i].WriteLine("This is sideband:");
if (specType == "Windowed") myFile[i].WriteLine(sbCurrentString); // Windowed spectrum, print out readable string
else myFile[i].WriteLine("N/A"); // Non-windowed spectra, print "N/A"
// Fixed spectrum - pulse start length
myFile[i].WriteLine("Pulse Start Length (fixed freq):");
if (specType == "Fixed") myFile[i].WriteLine(fixed_startLength);
else myFile[i].WriteLine("N/A");
// Fixed spectrum - number of steps
myFile[i].WriteLine("Number of Steps (fixed freq):");
if (specType == "Fixed") myFile[i].WriteLine(myRabiSelector.stepsSelect.Value.ToString());
else myFile[i].WriteLine("N/A");
// Name for each spectrum
for (int j = 0; j < myExperimentDialog.NumberOfSpectra.Value; j++)
{
myFile[i].WriteLine("Spectrum " + (j+1) + " name:");
myFile[i].WriteLine(myExperimentDialog.SpectrumNames[j].Text);
}
// Notes section
myFile[i].WriteLine("Notes:");
myFile[i].WriteLine("#" + myExperimentDialog.NotesBox.Text);
// Title for data
myFile[i].WriteLine("Data:");
// Flush & close the file
myFile[i].Flush();
myFile[i].Close();
//*********************************//
// For the next filename:
// Only needs to happen for windowed files
//*********************//
if (specType == "Windowed")
{
// If we are still on the red side, just decrease the sideband number
if (i < sbToScan) sbCurrent--;
else if (i == sbToScan)
// If we have reached the carrier
{
// Change R to B
sbRedOrBlue = 'B';
// Increase sideband number
sbCurrent++;
}
// If we are on the blue side, just increase the sideband number
else sbCurrent++;
}
} //End of loop which goes through each file
}
// Method to respond to user clicking start button
private void StartButton_Click(object sender, EventArgs e)
{
// If we are restarting the experiment after it being paused, just reset the PauseExperiment flag
if (PauseExperiment == true)
{
PauseExperiment = false; // Set flag
PauseButton.Enabled = true; // Re-enable pause button
StartButton.Enabled = false; // Disable start button
OpenUSBButton.Enabled = false; // Disable open USB button
}
else
{ // Otherwise, start experiment
this.Reset(); // Reset first
if (FPGA.bUSBPortIsOpen == false)
{
WriteMessage("Can't Send Start Signal to FPGA: USB port is not open", true);
return;
}
else
{
//Grab all scan and trap parameters from form:
specType = specTypeBox.SelectedItem.ToString();
specDir = specDirBox.SelectedItem.ToString();
trapV = (float)(1000 * trapVBox.Value); //Trap voltage stored in millivolts
axFreq = (int)(1000 * axFreqBox.Value);
modcycFreq = (int)(1000 * modcycFreqBox.Value);
magFreq = (int)(1000 * magFreqBox.Value);
startFreq = (int)(1000000 * startFreqBox.Value);
carFreq = (int)(1000000 * carFreqBox.Value);
stepSize = (int)(1000 * stepSizeBox.Value);
sbToScan = (int)sbToScanBox.Value;
sbWidth = (int)sbWidthBox.Value;
rfAmp = (float)rfAmpBox.Value;
// Metadata ordering in array:
// 0: Date
// 1: Spectrum type
// 2: 729 direction
// 3: Trap voltage
// 4: Axial freq (kHz)
// 5: Modified cyc freq (kHz)
// 6: Magnetron freq (kHz)
// 7: AOM start freq (MHz)
// 8: Carrier freq (MHz)
// 9: Step size (kHz or ticks)
// 10: Sidebands/side
// 11: Sideband width (steps)
// 12: 729 RF amplitude
// 13: Number of repeats
// 14: Number interleaved
// 15: Which sideband
// 16: Starting pulse length (fixed)
// 17: Number of steps (fixed)
// 18 + i: spectrum i name
// Create new dialog to get data from user before starting the experiment
StartExperimentDialog myExperimentDialog = new StartExperimentDialog();
myExperimentDialog.ShowDialog();
if (myExperimentDialog.DialogResult != DialogResult.Cancel)
{
// Create & fill in metadata
string[] metadata = new string[23];
metadata[0] = DateTime.UtcNow.ToString("dd/MM/yyyy HH:mm:ss");
// This is all from the CoreForm
metadata[1] = specType;
metadata[2] = specDir;
metadata[3] = this.trapVBox.Value.ToString();
metadata[4] = this.axFreqBox.Value.ToString();
metadata[5] = this.modcycFreqBox.Value.ToString();
metadata[6] = this.magFreqBox.Value.ToString();
metadata[7] = this.startFreqBox.Value.ToString();
metadata[8] = this.carFreqBox.Value.ToString();
metadata[9] = this.stepSizeBox.Value.ToString();
metadata[10] = this.sbToScanBox.Value.ToString();
metadata[11] = this.sbWidthBox.Value.ToString();
metadata[12] = this.rfAmpBox.Value.ToString();
// Fill in remaining metadata from form
metadata[13] = myExperimentDialog.NumberOfRepeats.Value.ToString();
metadata[14] = myExperimentDialog.NumberOfSpectra.Value.ToString();
metadata[15] = "N/A";
metadata[16] = "N/A"; // For fixed spectra only
metadata[17] = "N/A"; // For fixed spectra only
int numberOfSpectra = (int)myExperimentDialog.NumberOfSpectra.Value;
for (int i = 0; i < numberOfSpectra; i++)
{
metadata[i + 18] = myExperimentDialog.SpectrumNames[i].Text;
}
metadata[18 + numberOfSpectra] = myExperimentDialog.NotesBox.Text;
// Retrieve the folder path selected by the user
string FolderPath = myExperimentDialog.getFilePath();
// Make sure the
if (FolderPath != null)
{
TextWriter[] myFile; // Declare array of files
// If "Continuous" experiment type has been selected
if (specType == "Continuous")
{
//Turn on frequency generator
bIsFreqGenEnabled = true;
//Start frequency is the value taken directly from the form, no windowing
startFreqArray = new int[1];
startFreqArray[0] = startFreq;
// Create a single file and put all readings in there
myFileName = new string[1];
myFile = new TextWriter[1];
// Create empty RabiSelector object to pass to writeMetadataToFile (not used)
RabiSelector myRabiSelector = new RabiSelector();
// Create the file with appropriate name & write metadata to it
writeMetadataToFile(ref myExperimentDialog, ref myRabiSelector, ref FolderPath, ref myFile, 1);
}
else if (specType == "Windowed")
{
//Turn on frequency generator
bIsFreqGenEnabled = true;
//Calculate frequency offset of sideband start frequencies from sideband centres
int offsetFreq = (int)stepSize * sbWidth / 2;
//Determine window spacing from trap frequencys and the type of spectrum selected
int windowSpace = 0;
if (specDir == "Axial")
{
windowSpace = (int)(axFreq / 2);
}
else if (specDir == "Radial")
{
windowSpace = (int)(modcycFreq / 2);
}
//Array of start frequencies for each sideband (from furthest red to furthest blue)
startFreqArray = new int[sbToScan * 2 + 1];
for (int sb = 0; sb < (sbToScan * 2 + 1); sb++)
{
startFreqArray[sb] = carFreq - offsetFreq - (windowSpace * (sbToScan - sb));
}
// We want a file for each sideband with appropriate naming
// Calculate how many files we will need - one for each R/B sideband plus one for carrier
int numberOfFiles = (int)(sbToScan * 2 + 1);
// Create array of filenames & array of files
myFileName = new string[numberOfFiles];
myFile = new TextWriter[numberOfFiles];
// Create empty RabiSelector object to pass to writeMetadataToFile (not used)
RabiSelector myRabiSelector = new RabiSelector();
// Generate filenames and actually create files
writeMetadataToFile(ref myExperimentDialog, ref myRabiSelector, ref FolderPath, ref myFile, numberOfFiles);
}
else if (specType == "Fixed")
{
// Maybe put a box for user to input which pulses are varied in length
//Start frequency is the value taken directly from the form, no windowing
startFreqArray = new int[1];
startFreqArray[0] = startFreq;
// Show form for user to enter details about fixed frequency sequence
// (need starting pulse length & step size)
RabiSelector myRabiSelector = new RabiSelector();
myRabiSelector.generateSequenceButton.Enabled = false;
myRabiSelector.pulseSelectBox.Enabled = false;
myRabiSelector.repeatsSelect.Enabled = false;
myRabiSelector.ShowDialog();
// Get starting pulse length & step size from user form
fixed_startLength = (int)myRabiSelector.startLengthSelect.Value;
fixed_stepSize = (int)myRabiSelector.stepSizeSelect.Value;
// Change step size in metadata
metadata[9] = fixed_stepSize.ToString();
metadata[16] = fixed_startLength.ToString();
metadata[17] = myRabiSelector.stepsSelect.Value.ToString();
// Create a single file and put all readings in there
myFileName = new string[1];
myFile = new TextWriter[1];
writeMetadataToFile(ref myExperimentDialog, ref myRabiSelector, ref FolderPath, ref myFile, 1);
bIsFreqGenEnabled = false;
}
// If myViewer is not open
if (IsViewerOpen)
{
myViewer.Close();
IsViewerOpen = false;
}
// Create new instance of viewer
myViewer = new Spectroscopy_Viewer.SpectroscopyViewerForm(ref metadata);
// Set up event handler to deal with viewer closing - must be done after it is constructed
myViewer.FormClosing += new FormClosingEventHandler(myViewer_FormClosing);
// Set up event handler to deal with event raised when pause button on viewer is clicked
// This should trigger the pause button in the main window
myViewer.PauseEvent += new SpectroscopyViewerForm.PauseEventHandler(PauseButton_Click);
// Show viewer
myViewer.Show();
// Set boolean to indicate that viewer is open
IsViewerOpen = true;
}
else
{
MessageBox.Show("Error selecting folder. Please try again.");
}
// Code required to start the experiment running:
bShouldQuitThread = false;
GPIB.InitDevice(19);
GPIB.SetAmplitude(rfAmp);
GPIB.SetFrequency(startFreq);
SendSetupFinish();
// Start experiment
StartReadingData();
}
}
}
}
// Method to respond to user clicking start button
private void StartButton_Click(object sender, EventArgs e)
{
// If we are restarting the experiment after it being paused, just reset the PauseExperiment flag
if (PauseExperiment == true)
{
PauseExperiment = false; // Set flag
PauseButton.Enabled = true; // Re-enable pause button
StartButton.Enabled = false; // Disable start button
OpenUSBButton.Enabled = false; // Disable open USB button
}
else
{ // Otherwise, start experiment
this.Reset(); // Reset first
if (FPGA.bUSBPortIsOpen == false)
{
WriteMessage("Can't Send Start Signal to FPGA: USB port is not open", true);
return;
}
else
{
//Grab all scan and trap parameters from form:
specType = specTypeBox.SelectedItem.ToString();
specDir = specDirBox.SelectedItem.ToString();
trapV = (float)(1000 * trapVBox.Value); //Trap voltage stored in millivolts
axFreq = (int)(1000 * axFreqBox.Value);
modcycFreq = (int)(1000 * modcycFreqBox.Value);
magFreq = (int)(1000 * magFreqBox.Value);
startFreq = (int)(1000000 * startFreqBox.Value);
carFreq = (int)(1000000 * carFreqBox.Value);
stepSize = (int)(1000 * stepSizeBox.Value);
sbToScan = (int)sbToScanBox.Value;
sbWidth = (int)sbWidthBox.Value;
rfAmp = (float)rfAmpBox.Value;
// Metadata ordering in array:
// 0: Date
// 1: Spectrum type
// 2: 729 direction
// 3: Trap voltage
// 4: Axial freq (kHz)
// 5: Modified cyc freq (kHz)
// 6: Magnetron freq (kHz)
// 7: AOM start freq (MHz)
// 8: Carrier freq (MHz)
// 9: Step size (kHz or ticks)
// 10: Sidebands/side
// 11: Sideband width (steps)
// 12: 729 RF amplitude
// 13: Number of repeats
// 14: Number interleaved
// 15: Which sideband
// 16: Starting pulse length (fixed)
// 17: Number of steps (fixed)
// 18 + i: spectrum i name
// Create new dialog to get data from user before starting the experiment
StartExperimentDialog myExperimentDialog = new StartExperimentDialog();
myExperimentDialog.ShowDialog();
if (myExperimentDialog.DialogResult != DialogResult.Cancel)
{
// Create & fill in metadata
string[] metadata = new string[23];
metadata[0] = DateTime.UtcNow.ToString("dd/MM/yyyy HH:mm:ss");
// This is all from the CoreForm
metadata[1] = specType;
metadata[2] = specDir;
metadata[3] = this.trapVBox.Value.ToString();
metadata[4] = this.axFreqBox.Value.ToString();
metadata[5] = this.modcycFreqBox.Value.ToString();
metadata[6] = this.magFreqBox.Value.ToString();
metadata[7] = this.startFreqBox.Value.ToString();
metadata[8] = this.carFreqBox.Value.ToString();
metadata[9] = this.stepSizeBox.Value.ToString();
metadata[10] = this.sbToScanBox.Value.ToString();
metadata[11] = this.sbWidthBox.Value.ToString();
metadata[12] = this.rfAmpBox.Value.ToString();
// Fill in remaining metadata from form
metadata[13] = myExperimentDialog.NumberOfRepeats.Value.ToString();
metadata[14] = myExperimentDialog.NumberOfSpectra.Value.ToString();
metadata[15] = "N/A";
metadata[16] = "N/A"; // For fixed spectra only
metadata[17] = "N/A"; // For fixed spectra only
int numberOfSpectra = (int)myExperimentDialog.NumberOfSpectra.Value;
for (int i = 0; i < numberOfSpectra; i++)
{
metadata[i + 18] = myExperimentDialog.SpectrumNames[i].Text;
}
metadata[18 + numberOfSpectra] = myExperimentDialog.NotesBox.Text;
// Retrieve the folder path selected by the user
string FolderPath = myExperimentDialog.getFilePath();
// Make sure the
if (FolderPath != null)
{
TextWriter[] myFile; // Declare array of files
// If "Continuous" experiment type has been selected
if (specType == "Continuous")
{
//Turn on frequency generator
bIsFreqGenEnabled = true;
//Start frequency is the value taken directly from the form, no windowing
startFreqArray = new int[1];
startFreqArray[0] = startFreq;
// Create a single file and put all readings in there
myFileName = new string[1];
myFile = new TextWriter[1];
// Create empty RabiSelector object to pass to writeMetadataToFile (not used)
RabiSelector myRabiSelector = new RabiSelector();
// Create the file with appropriate name & write metadata to it
writeMetadataToFile(ref myExperimentDialog, ref myRabiSelector, ref FolderPath, ref myFile, 1);
}
else if (specType == "Windowed")
{
//Turn on frequency generator
bIsFreqGenEnabled = true;
//Calculate frequency offset of sideband start frequencies from sideband centres
int offsetFreq = (int)stepSize*sbWidth/2;
//Determine window spacing from trap frequencys and the type of spectrum selected
int windowSpace = 0;
if (specDir == "Axial") windowSpace = (int)(axFreq/2);
else if (specDir == "Radial") windowSpace = (int)(modcycFreq/2);
//Array of start frequencies for each sideband (from furthest red to furthest blue)
startFreqArray = new int[sbToScan * 2 + 1];
for (int sb = 0; sb < (sbToScan * 2 + 1); sb++)
{
startFreqArray[sb] = carFreq - offsetFreq - (windowSpace * (sbToScan - sb));
}
// We want a file for each sideband with appropriate naming
// Calculate how many files we will need - one for each R/B sideband plus one for carrier
int numberOfFiles = (int)(sbToScan * 2 + 1);
// Create array of filenames & array of files
myFileName = new string[numberOfFiles];
myFile = new TextWriter[numberOfFiles];
// Create empty RabiSelector object to pass to writeMetadataToFile (not used)
RabiSelector myRabiSelector = new RabiSelector();
// Generate filenames and actually create files
writeMetadataToFile(ref myExperimentDialog, ref myRabiSelector, ref FolderPath, ref myFile, numberOfFiles);
}
else if (specType == "Fixed")
{
// Maybe put a box for user to input which pulses are varied in length
//Start frequency is the value taken directly from the form, no windowing
startFreqArray = new int[1];
startFreqArray[0] = startFreq;
// Show form for user to enter details about fixed frequency sequence
// (need starting pulse length & step size)
RabiSelector myRabiSelector = new RabiSelector();
myRabiSelector.generateSequenceButton.Enabled = false;
myRabiSelector.pulseSelectBox.Enabled = false;
myRabiSelector.repeatsSelect.Enabled = false;
myRabiSelector.ShowDialog();
// Get starting pulse length & step size from user form
fixed_startLength = (int)myRabiSelector.startLengthSelect.Value;
fixed_stepSize = (int)myRabiSelector.stepSizeSelect.Value;
// Change step size in metadata
metadata[9] = fixed_stepSize.ToString();
metadata[16] = fixed_startLength.ToString();
metadata[17] = myRabiSelector.stepsSelect.Value.ToString();
// Create a single file and put all readings in there
myFileName = new string[1];
myFile = new TextWriter[1];
writeMetadataToFile(ref myExperimentDialog, ref myRabiSelector, ref FolderPath, ref myFile, 1);
bIsFreqGenEnabled = false;
}
// If myViewer is not open
if (IsViewerOpen)
{
myViewer.Close();
IsViewerOpen = false;
}
// Create new instance of viewer
myViewer = new Spectroscopy_Viewer.SpectroscopyViewerForm(ref metadata);
// Set up event handler to deal with viewer closing - must be done after it is constructed
myViewer.FormClosing += new FormClosingEventHandler(myViewer_FormClosing);
// Set up event handler to deal with event raised when pause button on viewer is clicked
// This should trigger the pause button in the main window
myViewer.PauseEvent += new SpectroscopyViewerForm.PauseEventHandler(PauseButton_Click);
// Show viewer
myViewer.Show();
// Set boolean to indicate that viewer is open
IsViewerOpen = true;
}
else
{
MessageBox.Show("Error selecting folder. Please try again.");
}
// Code required to start the experiment running:
bShouldQuitThread = false;
GPIB.InitDevice(19);
GPIB.SetAmplitude(rfAmp);
GPIB.SetFrequency(startFreq);
SendSetupFinish();
// Start experiment
StartReadingData();
}
}
}
}