mirror of
https://github.com/FAUSheppy/ths-datenlogger
synced 2025-12-06 04:11:34 +01:00
93 lines
3.5 KiB
Python
93 lines
3.5 KiB
Python
#!/usr/bin/python3
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import sys
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from config_parse import CFG
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from constants import *
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from datetime import datetime, timedelta
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from frontend_utils import open_file
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from constants import *
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import math
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import matplotlib
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matplotlib.use(CFG("use_gui_backend"))
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import matplotlib.pyplot as plt
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import matplotlib.dates
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import matplotlib.ticker as ticker
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import plot_graphutils
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import plot_imageutils
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import plot_timeutils
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def plot(datapoints,path=None,date1=None,date2=None):
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plotname = "" if CFG("name_of_plot") == "None" else CFG("name_of_plot")
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tup = [None,None,plot_timeutils.between_dates,plotname]
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if CFG("enable_multicore_support"):
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thread = Process(target=__plot,args=(tup,datapoints,date1,date2))
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thread.start()
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else:
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__plot(tup,datapoints,path,date1,date2)
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def __plot(tup,datapoints,path,date1=None,date2=None):
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NO_SERIES = True
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x,y,ymin,ymax,unix_x,major_xticks = ( [] , [], -1 , -1 , [], [] )
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lw = CFG("plot_line_width")
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ls = CFG("plot_line_style")
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tup[FIGURE],tup[AXIS] = plt.subplots(1, 1)
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for g in datapoints.values():
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#### Check if we are supposed to plot something ####
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if not g.plot:
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continue
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#### GET AND CHECK TIMEFRAMES ####
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x,y, = g.get_timeframe(tup[CALLBACK],date1,date2)
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if len(x) <= 0 or len(y) <= 0:
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print("Warning: Empty series of data '%s' (wrong start/end time?)"%g.name)
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continue
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else:
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NO_SERIES = False
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unix_x = list(map(plot_timeutils.unix,x))
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ymin,ymax = plot_graphutils.getlimits_y(y)
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#### GET LINE STYLES ####
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legend_label = plot_graphutils.legend_box_contents(g.name,y)
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tup[AXIS].plot(unix_x, y,ls=ls,lw=lw,marker="None", label=legend_label, color=g.color)
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if NO_SERIES:
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print("Error: no data, nothing to plot. cannot continue. exit.")
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sys.exit(1)
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## GRID ##
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plot_graphutils.general_background_setup(tup,ymin,ymax,x)
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## using unix_x relys on unix_x to be the same for all plots ##
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if path == None:
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path = open_file()
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pic_path = output_path(path,date1,date2)
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## set resoltuion ##
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DPI = CFG("outfile_resolution_in_dpi")
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fig_x_height = CFG("fig_x_height_inches")/float(1000)
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fig_y_height = CFG("fig_y_height_inches")/float(1000)
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tup[FIGURE].set_size_inches(fig_x_height,fig_y_height)
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## save the figure ##
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tup[FIGURE].savefig(pic_path,dpi=DPI,pad_inches=0.1,bbox_inches='tight',transparent=CFG("transparent_background"))
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### do operations on the finished png ###
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plot_imageutils.check_and_rotate(pic_path)
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def output_path(path,date1,date2):
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if date1 != None and date2 == None:
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pic_path = path + "-nach-%s"%date1.strftime("%d.%m.%y") + ".png"
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elif date1 == None and date2 != None:
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pic_path = path + "-vor-%s"%date2.strftime("%d.%m.%y") + ".png"
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elif date1 == None and date2 == None:
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pic_path = path + "-alles" + ".png"
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else:
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pic_path = path + "-%s_to_%s"%(date1.strftime("%d.%m.%y"),date2.strftime("%d.%m.%y")) + ".png"
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print("Output wird gespeichert nach: %s"%str(pic_path))
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return pic_path
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