move to a more standard python packaging structure

doc/index.rst

@@ -13,36 +13,9 @@ DAMARIS documentation
    :maxdepth: 3
    :caption: Contents:
 
+   api_reference
    manual
    devel
 
-#############
-API Reference
-#############
 
-This API reference is generated from the source code.
-
-***********
-Experiments
-***********
-
-.. automodule:: damaris.experiments.Experiment
-   :members:
-   :undoc-members:
-
-************
-Data Objects
-************
-
-.. automodule:: damaris.data.Accumulation
-   :members:
-   :undoc-members:
-
-.. automodule:: damaris.data.ADC_Result
-   :members:
-   :undoc-members:
-
-.. automodule:: damaris.data.DamarisFFT
-   :members:
-   :undoc-members:
 

pyproject.toml

@@ -35,27 +35,14 @@ maintainers = [
 [project.scripts]
 DAMARIS3 = "damaris.__main__:main"
 
-[tool.setuptools]
-packages = [
-    "damaris",
-    "damaris.data",
-    "damaris.experiments",
-    "damaris.gui",
-    "damaris.tools"
-]
-
-[tool.setuptools.package-dir]
-"damaris" = "src"
-"damaris.data" = "src/data"
-"damaris.experiments" = "src/experiments"
-"damaris.gui" = "src/gui"
-"damaris.tools" = "src/tools"
+[tool.setuptools.packages.find]
+where = ["src"]
 
 [tool.setuptools.package-data]
 "damaris.gui" = ["DAMARIS3.png", "DAMARIS3.ico", "damaris.xml", "python.xml"]
 
 [tool.setuptools.data-files]
-"share/python3-damaris/images" = ["src/gui/DAMARIS3.png", "src/gui/DAMARIS3.ico"]
+"share/python3-damaris/images" = ["src/damaris/gui/DAMARIS3.png", "src/damaris/gui/DAMARIS3.ico"]
 #"share/python3-damaris/doc" = ["doc/index.html"]
 #"share/python3-damaris/doc/reference-html" = ["doc/reference-html/*"]
 #"share/python3-damaris/doc/tutorial-html" = ["doc/tutorial-html/*"]

src/damaris/experiments/Experiment.py

@@ -107,12 +107,40 @@ class Experiment:
 
     def ttl_pulse(self, length, channel = None, value = None):
         """
-        Creates a state with length **length** and switches
-        requested bits of the pulse programmer to HIGH:
+        Creates a state with length **length** and switches requested bits of the pulse programmer to HIGH.
 
-        :param float length: pulse length in seconds
-        :param int  channel: selects a single channel (No. 1 - 24)
-        :param int  value: lines to set (integer) for example value=3 selects channels 0 and 1 (2**0 + 2**1)
+        This command generates a TTL pulse with the specified duration on a specific channel or multiple channels.
+
+        Parameters:
+        -----------
+        length : float
+            Pulse length in seconds.
+        channel : int, optional
+            Selects a single channel (No. 1 - 24). If provided, the value is calculated as 2^channel.
+        value : int, optional
+            Lines to set (integer). For example, value=3 selects channels 0 and 1 (2**0 + 2**1).
+            If both channel and value are None, the pulse is set to 0.
+
+        Examples:
+        ---------
+        >>> e.ttl_pulse(length=5e-6, channel=1)
+        Creates a 5 microsecond pulse on channel 1.
+
+        >>> e.ttl_pulse(length=3e-6, value=3)
+        Creates a 3 microsecond pulse on channels 0 and 1.
+
+        >>> e.ttl_pulse(length=1e-6, value=0xffffff)
+        Creates a 1 microsecond pulse on all channels.
+
+        Notes:
+        ------
+        Hexadecimal representation (number starts with *0x*) is convenient as the numbers are shorter.
+        To set all channels, value would be in decimal 16777215 and in hexadecimal 0xffffff.
+        One letter in hexadecimal represents four bits.
+
+        See Also:
+        ---------
+        ttls : Same as ttl_pulse, but no channel keyword.
         """
         the_value=0
         if value is not None:
@@ -176,12 +204,43 @@ class Experiment:
 
     def wait(self, time, ttls=None, gating=False):
         """
-        Wait specified **time** doing nothing.
+        Waits for a specified amount of time without performing any actions.
+
+        This command inserts a delay in the pulse sequence, allowing time for relaxation,
+        or synchronization with other events.
+
+        Parameters:
+        -----------
+        time : float
+            Time to wait in seconds.
+            The minimum time is 90 ns, and the maximum is essentially unlimited (years).
+            The backend driver circumvents the limit imposed by the pulse programmer by adding loops.
+
+        ttls : int, optional
+            Additional TTL lines to set (integer) during the wait period.
+            Allows simultaneous control of TTL lines while waiting.
+            For example, ttls=3 activates channels 0 and 1 (2^0 + 2^1).
+
+        gating : bool, optional
+            If True, reduces the wait time by the gating time (typically 2 µs).
+            This is useful for waiting in front of an rf_pulse to account for gating delays.
+            Default is False.
+
+        Returns:
+        --------
+        None
+
+        Examples:
+        ---------
+        >>> e.wait(time=2e-3)
+        Waits for 2 milliseconds.
+
+        >>> e.wait(time=1e-6, ttls=3)
+        Waits for 1 microsecond while activating TTL channels 0 and 1.
+
+        >>> e.wait(time=5e-6, gating=True)
+        Waits for 5 microseconds, reduced by the gating time for rf_pulse synchronization.
 
-        :param float time: seconds to wait
-        :param int ttls: lines to set (integer)
-        :param bool gating: reduce time by gating, i.e. wait in front of rf_pulse
-        :return:
         """
         if gating:
             time -= self.gating
@@ -196,16 +255,70 @@ class Experiment:
 
     def record(self, samples, frequency, timelength=None, sensitivity = None, ttls=None, channels = 3, offset = None, impedance = None):
         """
-        Records data with a given number of samples, sampling frequency and sensitivity.
-        Optionally, the time length of this state can be specified. If not specified, **timelength** is
-        deduced from **samples**/**frequency**:
+        Records data with a given number of samples, sampling frequency, and sensitivity.
+        This command starts data acquisition from the ADC (Analog-to-Digital Converter).
+
+        Parameters:
+        -----------
+        samples : int
+            Number of samples to record. This determines the number of data points in the resulting signal.
+
+        frequency : float
+            Sampling frequency in Hz. This determines how often samples are taken from the analog signal.
+            The maximum sampling frequency is 20 MHz.
+
+        timelength : float, optional
+            Length of this state in seconds. If not specified (None), it is calculated automatically as samples/frequency.
+            This parameter allows overriding the automatic calculation for special timing requirements.
+
+        sensitivity : float or list, optional
+            Sensitivity in U_MAX/V. Specifies the input voltage range for the ADC.
+            Accepted values are 0.2, 0.5, 1, 2, 5, and 10 V.
+            Can be a single value (applied to all channels) or a list of values (one per channel).
+
+        ttls : int, optional
+            Additional TTL lines to set (integer) during recording. Allows simultaneous control of TTL lines.
+            For example, ttls=3 activates channels 0 and 1 (2^0 + 2^1).
+
+        channels : int, optional
+            Channels to activate. Default is 3 (channels 0 and 1).
+            Accepted values are 1 (channel 0), 3 (channels 0 and 1), 5 (channels 0, 1, and 2), and 15 (all 4 channels).
+
+        offset : int or list, optional
+            Voltage offset for the ADC input. Can be a single integer value (applied to all channels)
+            or a list of values (one per channel).
+            Normally not used.
+
+        impedance : float or list, optional
+            Input impedance for the ADC. Can be a single number (applied to all channels)
+            or a list of values (one per channel).
+            Normally set in the backend config and not changeable.
+
+        Returns:
+        --------
+        None
+
+        Examples:
+        ---------
+        >>> e.record(samples=1024, frequency=2e6, sensitivity=2)
+        Records a signal with 1024 data points and 2 MHz sampling frequency.
+        The sensitivity will be ±2 V, providing a resolution of 0.2 mV with a 14-bit ADC card.
+
+        >>> e.record(samples=4096, frequency=10e6, sensitivity=[1, 2], channels=3)
+        Records a signal with 4096 data points and 10 MHz sampling frequency.
+        Channel 0 uses 1 V sensitivity, and channel 1 uses 2 V sensitivity.
+
+        >>> e.record(samples=2048, frequency=5e6, ttls=3)
+        Records a signal with 2048 data points and 5 MHz sampling frequency.
+        Simultaneously activates TTL channels 0 and 1.
+
+        Notes:
+        ------
+        - Multiple record statements can be in a single scan (gated sampling) or in a loop.
+        - The onboard memory can hold 8M samples shared by all channels (depends on the board).
+        - The sensitivity setting affects the resolution of the ADC.
+        - The actual timing may vary slightly due to hardware limitationslike pre- and post-trigger delays.
 
-        :param int samples: Number of samples to record
-        :param float frequency: Sampling frequency / Hz
-        :param float timelength: Length of this state, per default calculated automatically
-        :param float sensitivity: Sensitivity in U_MAX/V
-        :param int ttls: additional ttl lines to set (integer)
-        :param int channels: channels to activate, default=3 (0+1)
         """
         attributes='s="%d" f="%d"'%(samples,frequency)#%g
         if channels != 1 and channels != 3 and channels != 5 and channels != 15:
@@ -371,17 +484,51 @@ class Experiment:
 
     def set_dac(self, dac_value, dac_id=1, length=None, is_seq=False, ttls=0):
         """
-        This sets the value for the DAC and if given additional ttl lines.
-        It also sets it back to zero automatically when is_seq=False.
-        If you don't wish to set the value back to zero (i.e. line shapes) set is_seq=True
+        Sets the value for the DAC (Digital-to-Analog Converter) and optionally additional TTL lines.
+        This command is used to control analog output signals, such as pulsed field gradients.
 
-        The state length is at least 3.78 µs (is_seq=1) or 7.28µs (is_seq=0).
+        Parameters:
+        -----------
+        dac_value : int
+            DAC value, between -2**19-1 (-524287) and +2**19 (524288).
+            This value determines the analog output voltage.
 
-        :param int dac_value: DAC value, between -2**19-1 and +2**19
-        :param int dac_id: default=1, which DAC to control
-        :param float length: default=None, length of this state in seconds. If *None* length=42*90ns=3.78µs
-        :param bool is_seq: default=False, do not reset DAC to 0 (zero) if True
-        :param int ttls: default=0,  lines to set (integer)
+        dac_id : int, optional
+            Specifies which DAC to control. Default is 1.
+            This allows control of multiple DAC channels if available.
+
+        length : float, optional
+            Length of this state in seconds. Default is None, which sets the length to 42*90ns=3.78µs.
+            If is_seq is False, the total length is doubled due to the automatic reset to zero.
+
+        is_seq : bool, optional
+            If True, the DAC value is not reset to zero after the pulse. Default is False.
+            Use is_seq=True for creating line shapes or sequential pulses.
+
+        ttls : int, optional
+            Lines to set (integer) for TTL output. Default is 0.
+            Allows simultaneous control of TTL lines along with the DAC.
+
+        Returns:
+        --------
+        None
+
+        Examples:
+        ---------
+        >>> e.set_dac(dac_value=15040, dac_id=1, length=1e-3)
+        Sets DAC channel 1 to value 15040 for 1 millisecond and then resets to zero.
+
+        >>> e.set_dac(dac_value=10000, is_seq=True)
+        Sets DAC to value 10000 for 3.78µs without resetting to zero.
+
+        >>> e.set_dac(dac_value=20000, ttls=3)
+        Sets DAC to value 20000 and activates TTL channel 1 (2^1 + 2^0 = 3).
+
+        Notes:
+        ------
+        - The minimum state length is 3.78 µs when is_seq=True.
+        - When is_seq=False, the DAC is automatically reset to zero, adding another 3.78 µs to the total length.
+        - The actual length may be longer than specified if additional time is required for DAC settling.
 
         """
         if length==None:
@@ -401,13 +548,40 @@ class Experiment:
 
     def set_phase(self, phase, ttls=0):
         """
-        Sets the phase of the RF source to this value.
-        Note: This is relative to the phase at the beginnig of the experiment.
-        The state length is 0.5 µs, but the stabilisation time is RF source dependent. Typical
-        values for PTS310 is 2 µs.
+        Sets the phase of the RF source to the specified value.
 
-        :param float phase: phase to set
-        :param int ttls: default=0,  lines to set (integer)
+        This command changes the phase of the frequency source. The phase is given in degrees and is
+        relative to the phase at the beginning of the experiment.
+
+        Parameters:
+        -----------
+        phase : float
+            Phase to set in degrees. This value determines the phase of the RF signal.
+
+        ttls : int, optional
+            Lines to set (integer) for TTL output. Default is 0.
+            Allows simultaneous control of TTL lines along with setting the phase.
+
+        Returns:
+        --------
+        None
+
+        Examples:
+        ---------
+        >>> e.set_phase(phase=90)
+        Sets the receiver phase to 90 degrees.
+
+        >>> e.set_phase(phase=180, ttls=3)
+        Sets the phase to 180 degrees and activates TTL channels 0 and 1.
+
+        >>> e.set_phase(phase=45)
+        Sets the phase to 45 degrees.
+
+        Notes:
+        ------
+        - The state length for this command is 0.5 µs.
+        - The stabilization time for the phase change is RF source dependent. A typical value for PTS310 is 2 µs.
+        - The phase is relative to the initial phase set at start of the experiment.
         """
         s_content = '<analogout phase="%f" />' % (phase)
         if ttls!=0:
@@ -418,12 +592,40 @@ class Experiment:
 
 
     def set_description(self, key, value):
-        """Sets a description which is carried via the back end result 
-        file to the result script in the front end. In the result script 
-        you can extract the description with get_description
+        """
+        Sets a description key-value pair in the experiment description dictionary.
 
-        :param str key: the key
-        :param value: the value, its type is saved.
+        This command creates an entry with the specified key and value in the description dictionary.
+        In case of data being stored in a HDF5 file, this dictionary is stored as well, allowing
+        parameter passing between the experiment script and the result script.
+
+        Parameters:
+        -----------
+        key : str
+            The key identifier for the description entry. This will be used to retrieve the value later.
+
+        value : any
+            The value to be associated with the key. Can be of any type (string, number, list, etc.).
+
+        Returns:
+        --------
+        None
+
+        Examples:
+        ---------
+        >>> e.set_description(key="tau", value=2e-3)
+        Sets the description entry with key "tau" to the value 0.002 seconds.
+
+        >>> e.set_description(key="temperature", value=298.15)
+        Sets the description entry with key "temperature" to the value 298.15 Kelvin.
+
+        >>> e.set_description(key="pulse_sequence", value="CPMG")
+        Sets the description entry with key "pulse_sequence" to the string "CPMG".
+
+        Notes:
+        ------
+        If the key already exists in the description dictionary, a warning message will be printed
+        indicating that the existing value will be overwritten.
         """
         if key in list(self.description.keys()):
             print('Warning: Overwriting existing description "%s" = "%s" with "%s"' % (key, self.description[key], value))