From fa6eda5c162068eb549d9eaf9cb347c110b25558 Mon Sep 17 00:00:00 2001
From: DBras <danielbrasholt@gmail.com>
Date: Mon, 10 Jun 2024 14:15:17 +0200
Subject: [PATCH] question: D3 Q4

---
 demo_plotter.py | 21 +++++++--------------
 1 file changed, 7 insertions(+), 14 deletions(-)

diff --git a/demo_plotter.py b/demo_plotter.py
index da3f37c..6f77e84 100755
--- a/demo_plotter.py
+++ b/demo_plotter.py
@@ -36,7 +36,7 @@ else:
 
 
 ################################################################################
-################## Question 3 ##################################################
+################## Question 4 ##################################################
 ################################################################################
 
 # Construct a dataframe and pivot it to obtain a dataframe with a column per unit, and a row per timestamp.
@@ -46,22 +46,15 @@ df_pivot = df.pivot_table(values='value', columns='unit', index='time')
 df_resampled = df_pivot.resample('s').mean()
 df_resampled.interpolate(method='linear', inplace=True)
 df_resampled = pd.DataFrame(df_resampled)
-df_gaia = df_resampled['gaia_p']
-df_gaia_diffs = df_gaia.diff()
-gaia_min, gaia_max = df_gaia.min(), df_gaia.max()
-diff_min, diff_max = df_gaia_diffs.min(), df_gaia_diffs.max()
-
-print(f'{gaia_min=}, {gaia_max=}')
-print(f'{diff_min=}, {diff_max=}')
+df_resampled['common_p'] = df_resampled[[c for c in df_resampled if '_p' in c
+                                         and c != 'pcc_p']].sum(axis=1) * -1
 
 # Plot the data. Note, that the data will mostly not be plotted with lines.
 plt.ion()  # Turn interactive mode on
 plt.figure()
-ax1, ax2 = plt.subplot(211), plt.subplot(212)
-df_gaia.plot(marker='.', ax=ax1, linewidth=3)
-ax1.hlines([gaia_min, gaia_max], df_gaia.index.min(), df_gaia.index.max(), color='r')
-df_gaia_diffs.plot(marker='.', ax=ax2, linewidth=3)
+plt.plot(df_resampled['pcc_p'])
+plt.plot(df_resampled['common_p'])
 plt.show(block=True)
 
-## gaia_min=0.62, gaia_max=7.085
-## diff_min=-1.963, diff_max=1.3210000000000002
+## The controller seems to balance in and out from the grid. Differences are
+## probably from interpolation and resampling.