renamed and fully integrated lowpass filter

src/damaris/data/ADC_Result.py

@@ -148,7 +148,7 @@ class ADC_Result(Resultable, Drawable, DamarisFFT, Signalpath):
         return self.is_clipped
 
 
-    def digital_filter(self, cutoff, numtaps=None):
+    def lowpass(self, cutoff, numtaps=None):
         """
         Apply a zero-phase lowpass FIR filter to all channels.
 
@@ -185,12 +185,12 @@ class ADC_Result(Resultable, Drawable, DamarisFFT, Signalpath):
         Examples
         --------
         >>> # Lowpass at 1 MHz (taps auto-computed, ~40)
-        ... filtered = adc.digital_filter(cutoff=1e6)
+        ... filtered = adc.lowpass(cutoff=1e6)
         >>> # Lowpass at 500 kHz with fixed 63 taps
-        ... filtered = adc.digital_filter(cutoff=500e3, numtaps=63)
+        ... filtered = adc.lowpass(cutoff=500e3, numtaps=63)
         """
         if not self.contains_data():
-            raise RuntimeError("digital_filter: no data present")
+            raise RuntimeError("lowpass: no data present")
 
         nyquist = self.sampling_rate / 2.0
         cutoff = float(cutoff)

src/damaris/gui/DamarisGUI.py

@@ -1366,7 +1366,7 @@ class ScriptWidgets:
 class import from as return yield while continue break assert None True False AccumulatedValue
 Accumulation MeasurementResult ADC_Result Experiment synchronize sleep result data
 issubclass min max abs pow range xrange log_range lin_range staggered_range file
-combine_ranges interleaved_range get_sampling_rate uses_statistics write_to_csv write_to_hdf
+combine_ranges interleaved_range get_sampling_rate uses_statistics write_to_csv write_to_hdf lowpass
 get_job_id get_description set_description get_xdata get_ydata set_xdata set_ydata
 ttl_pulse ttls rf_pulse state_start state_end wait record loop_start loop_end set_frequency
 set_pfg set_dac set_phase set_pts_local get_length set_title get_title add_lineplotdata 

src/damaris/gui/python.xml

@@ -191,6 +191,7 @@
         <keyword>set_pts_local</keyword>
         <keyword>wait</keyword>
         <keyword>record</keyword>
+        <keyword>lowpass</keyword>
     </keywordlist>
 
     <keywordlist style="datatype">