DEFAULT_WIN_SIZE = (600, 300)
DIV_LEVELS = (1, 2, 5, 10, 20)
MIN_DYNAMIC_RANGE, MAX_DYNAMIC_RANGE = 10, 200
+DYNAMIC_RANGE_STEP = 10.
COLOR_MODES = (
('RGB1', 'rgb1'),
('RGB2', 'rgb2'),
"""
self.parent = parent
wx.Panel.__init__(self, parent, style=wx.SUNKEN_BORDER)
+ parent[SHOW_CONTROL_PANEL_KEY] = True
+ parent.subscribe(SHOW_CONTROL_PANEL_KEY, self.Show)
control_box = wx.BoxSizer(wx.VERTICAL)
control_box.AddStretchSpacer()
options_box = forms.static_box_sizer(
def _on_clear_button(self, event):
self.parent[NUM_LINES_KEY] = self.parent[NUM_LINES_KEY]
def _on_incr_dynamic_range(self, event):
- self.parent[DYNAMIC_RANGE_KEY] = min(self.parent[DYNAMIC_RANGE_KEY] + 10, MAX_DYNAMIC_RANGE)
+ self.parent[DYNAMIC_RANGE_KEY] = min(MAX_DYNAMIC_RANGE, common.get_clean_incr(self.parent[DYNAMIC_RANGE_KEY]))
def _on_decr_dynamic_range(self, event):
- self.parent[DYNAMIC_RANGE_KEY] = max(self.parent[DYNAMIC_RANGE_KEY] - 10, MIN_DYNAMIC_RANGE)
+ self.parent[DYNAMIC_RANGE_KEY] = max(MIN_DYNAMIC_RANGE, common.get_clean_decr(self.parent[DYNAMIC_RANGE_KEY]))
def _on_incr_ref_level(self, event):
- self.parent[REF_LEVEL_KEY] = self.parent[REF_LEVEL_KEY] + self.parent[DYNAMIC_RANGE_KEY]*.1
+ self.parent[REF_LEVEL_KEY] = self.parent[REF_LEVEL_KEY] + self.parent[DYNAMIC_RANGE_KEY]/DYNAMIC_RANGE_STEP
def _on_decr_ref_level(self, event):
- self.parent[REF_LEVEL_KEY] = self.parent[REF_LEVEL_KEY] - self.parent[DYNAMIC_RANGE_KEY]*.1
+ self.parent[REF_LEVEL_KEY] = self.parent[REF_LEVEL_KEY] - self.parent[DYNAMIC_RANGE_KEY]/DYNAMIC_RANGE_STEP
def _on_incr_time_scale(self, event):
old_rate = self.parent[FRAME_RATE_KEY]
self.parent[FRAME_RATE_KEY] *= 0.75
Does not affect the current data in the waterfall.
"""
if not len(self.samples): return
- #get the peak level (max of the samples)
- peak_level = numpy.max(self.samples)
- #get the noise floor (averge the smallest samples)
- noise_floor = numpy.average(numpy.sort(self.samples)[:len(self.samples)/4])
- #padding
- noise_floor -= abs(noise_floor)*.5
- peak_level += abs(peak_level)*.1
+ min_level, max_level = common.get_min_max_fft(self.samples)
#set the range and level
- self[REF_LEVEL_KEY] = peak_level
- self[DYNAMIC_RANGE_KEY] = peak_level - noise_floor
+ self[DYNAMIC_RANGE_KEY] = common.get_clean_num(max_level - min_level)
+ self[REF_LEVEL_KEY] = DYNAMIC_RANGE_STEP*round(.5+max_level/DYNAMIC_RANGE_STEP)
def handle_msg(self, msg):
"""
self.samples = samples = numpy.fromstring(msg, numpy.float32)[:self.fft_size] #only take first frame
num_samps = len(samples)
#reorder fft
- if self.real: samples = samples[:num_samps/2]
- else: samples = numpy.concatenate((samples[num_samps/2:], samples[:num_samps/2]))
+ if self.real: samples = samples[:(num_samps+1)/2]
+ else: samples = numpy.concatenate((samples[num_samps/2+1:], samples[:(num_samps+1)/2]))
#plot the fft
self.plotter.set_samples(
samples=samples,