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Allow choosing chart skew at runtime

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XANTRONIX 2025-03-14 13:09:44 -04:00
parent 933d11ebc7
commit 77fe922d90
1 changed files with 5 additions and 4 deletions
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9
lib/xmet/skew_t.py
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@ -32,11 +32,12 @@ def clamp(value, lowest, highest):
return value
class SkewTGraph():
__slots__ = 'width', 'height', 'temp_step_width',
__slots__ = 'width', 'height', 'skew', 'temp_step_width',
def __init__(self, width: float, height: float):
def __init__(self, width: float, height: float, skew: float=SKEW):
self.width = width
self.height = height
self.skew = skew
self.temp_step_width = min(self.width, self.height) / TEMP_STEP_COUNT
@ -74,7 +75,7 @@ class SkewTGraph():
cr.restore()
def skew_t_to_graph(self, x: float, y: float):
return (x+SKEW*y, y)
return (x+self.skew*y, y)
def sample_to_graph(self, temp: float, pressure: float):
x = (temp / TEMP_STEP) * self.temp_step_width
@ -241,7 +242,7 @@ class SkewTLegend():
x_rel, y_rel = skew_t.sample_to_screen(temp, PRESSURE_MAX)
if x_rel < 0:
y_rel = skew_t.height + x_rel / SKEW
y_rel = skew_t.height + x_rel / skew_t.skew
x_rel = 0
if y_rel <= 0: