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cob heatmap was broken - fixed

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This commit is contained in:
Dobromir Popov
2025-08-10 03:35:14 +03:00
parent 132bd0176a
commit 1de536322a
1 changed files with 32 additions and 6 deletions
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38
web/clean_dashboard.py
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@ -1482,13 +1482,27 @@ class CleanTradingDashboard:
fig.add_annotation(text="No COB heatmap data", xref="paper", yref="paper", x=0.5, y=0.5, showarrow=False)
fig.update_layout(margin=dict(l=10, r=10, t=20, b=10))
return fig
# Prepare data safely for Plotly
z = np.array(matrix, dtype=float)
z = np.nan_to_num(z, nan=0.0, posinf=0.0, neginf=0.0)
# Normalize per-time column (visual only) and transpose to [buckets x time]
col_max = np.maximum(z.max(axis=0), 1e-9)
zn = (z / col_max).T
# Ensure x axis has tz-naive datetimes
try:
local_tz = datetime.now().astimezone().tzinfo
x_vals = []
for t in times:
if hasattr(t, 'tzinfo') and t.tzinfo is not None:
tt = t.astimezone(local_tz).replace(tzinfo=None)
x_vals.append(tt)
else:
x_vals.append(t)
except Exception:
x_vals = times
fig = go.Figure(data=go.Heatmap(
z=zn,
x=times,
x=x_vals,
y=prices,
colorscale='Turbo',
colorbar=dict(title='Norm'),
@ -1512,8 +1526,8 @@ class CleanTradingDashboard:
else:
y_vals.append(None)
fig.add_trace(go.Scatter(
x=[t.strftime('%H:%M:%S') for t in times],
y=[f"{yv:.2f}" if yv is not None else None for yv in y_vals],
x=times,
y=y_vals,
mode='lines',
line=dict(color='white', width=1.5),
name='Mid Price'
@ -1551,11 +1565,23 @@ class CleanTradingDashboard:
fig.update_layout(margin=dict(l=10, r=10, t=20, b=10))
return fig
z = np.array(matrix, dtype=float)
z = np.nan_to_num(z, nan=0.0, posinf=0.0, neginf=0.0)
col_max = np.maximum(z.max(axis=0), 1e-9)
zn = (z / col_max).T
try:
local_tz = datetime.now().astimezone().tzinfo
x_vals = []
for t in times:
if hasattr(t, 'tzinfo') and t.tzinfo is not None:
tt = t.astimezone(local_tz).replace(tzinfo=None)
x_vals.append(tt)
else:
x_vals.append(t)
except Exception:
x_vals = times
fig = go.Figure(data=go.Heatmap(
z=zn,
x=times,
x=x_vals,
y=prices,
colorscale='Turbo',
colorbar=dict(title='Norm'),
@ -1576,8 +1602,8 @@ class CleanTradingDashboard:
else:
y_vals.append(None)
fig.add_trace(go.Scatter(
x=[t.strftime('%H:%M:%S') for t in times],
y=[f"{yv:.2f}" if yv is not None else None for yv in y_vals],
x=times,
y=y_vals,
mode='lines',
line=dict(color='white', width=1.5),
name='Mid Price'