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#!/usr/bin/env python
# This file is part of the Printrun suite.
#
# Printrun is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Printrun is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Printrun. If not, see <http://www.gnu.org/licenses/>.
import wx
from math import log10, floor, ceil
from printrun.utils import install_locale
install_locale('pronterface')
from .bufferedcanvas import BufferedCanvas
class GraphWindow(wx.Frame):
def __init__(self, root, parent_graph = None, size = (600, 600)):
super(GraphWindow, self).__init__(None, title = _("Temperature graph"),
size = size)
panel = wx.Panel(self, -1)
vbox = wx.BoxSizer(wx.VERTICAL)
self.graph = Graph(panel, wx.ID_ANY, root, parent_graph = parent_graph)
vbox.Add(self.graph, 1, wx.EXPAND)
panel.SetSizer(vbox)
class Graph(BufferedCanvas):
'''A class to show a Graph with Pronterface.'''
def __init__(self, parent, id, root, pos = wx.DefaultPosition,
size = wx.Size(150, 80), style = 0, parent_graph = None):
# Forcing a no full repaint to stop flickering
style = style | wx.NO_FULL_REPAINT_ON_RESIZE
super(Graph, self).__init__(parent, id, pos, size, style)
self.root = root
if parent_graph is not None:
self.extruder0temps = parent_graph.extruder0temps
self.extruder0targettemps = parent_graph.extruder0targettemps
self.extruder1temps = parent_graph.extruder1temps
self.extruder1targettemps = parent_graph.extruder1targettemps
self.bedtemps = parent_graph.bedtemps
self.bedtargettemps = parent_graph.bedtargettemps
else:
self.extruder0temps = [0]
self.extruder0targettemps = [0]
self.extruder1temps = [0]
self.extruder1targettemps = [0]
self.bedtemps = [0]
self.bedtargettemps = [0]
self.timer = wx.Timer(self)
self.Bind(wx.EVT_TIMER, self.updateTemperatures, self.timer)
self.minyvalue = 0
self.maxyvalue = 250
self.rescaley = True # should the Y axis be rescaled dynamically?
if self.rescaley:
self._ybounds = Graph._YBounds(self)
#If rescaley is set then ybars gives merely an estimate
#Note that "bars" actually indicate the number of internal+external gridlines.
self.ybars = 5
self.xbars = 7 # One bar per 10 second
self.xsteps = 60 # Covering 1 minute in the graph
self.window = None
def show_graph_window(self, event = None):
if not self.window:
self.window = GraphWindow(self.root, self)
self.window.Show()
if self.timer.IsRunning():
self.window.graph.StartPlotting(self.timer.Interval)
else:
self.window.Raise()
def __del__(self):
if self.window: self.window.Close()
def updateTemperatures(self, event):
self.AddBedTemperature(self.bedtemps[-1])
self.AddBedTargetTemperature(self.bedtargettemps[-1])
self.AddExtruder0Temperature(self.extruder0temps[-1])
self.AddExtruder0TargetTemperature(self.extruder0targettemps[-1])
self.AddExtruder1Temperature(self.extruder1temps[-1])
self.AddExtruder1TargetTemperature(self.extruder1targettemps[-1])
if self.rescaley:
self._ybounds.update()
self.Refresh()
def drawgrid(self, dc, gc):
#cold, medium, hot = wx.Colour(0, 167, 223),\
# wx.Colour(239, 233, 119),\
# wx.Colour(210, 50.100)
#col1 = wx.Colour(255, 0, 0, 255)
#col2 = wx.Colour(255, 255, 255, 128)
#b = gc.CreateLinearGradientBrush(0, 0, w, h, col1, col2)
gc.SetPen(wx.Pen(wx.Colour(255, 0, 0, 0), 1))
#gc.SetBrush(wx.Brush(wx.Colour(245, 245, 255, 52)))
#gc.SetBrush(gc.CreateBrush(wx.Brush(wx.Colour(0, 0, 0, 255))))
gc.SetPen(wx.Pen(wx.Colour(255, 0, 0, 255), 1))
#gc.DrawLines(wx.Point(0, 0), wx.Point(50, 10))
font = wx.Font(10, wx.DEFAULT, wx.NORMAL, wx.BOLD)
gc.SetFont(font, wx.Colour(23, 44, 44))
# draw vertical bars
dc.SetPen(wx.Pen(wx.Colour(225, 225, 225), 1))
for x in range(self.xbars + 1):
dc.DrawLine(x * (float(self.width - 1) / (self.xbars - 1)),
0,
x * (float(self.width - 1) / (self.xbars - 1)),
self.height)
# draw horizontal bars
spacing = self._calculate_spacing() # spacing between bars, in degrees
yspan = self.maxyvalue - self.minyvalue
ybars = int(yspan / spacing) # Should be close to self.ybars
firstbar = int(ceil(self.minyvalue / spacing)) # in degrees
dc.SetPen(wx.Pen(wx.Colour(225, 225, 225), 1))
for y in range(firstbar, firstbar + ybars + 1):
#y_pos = y*(float(self.height)/self.ybars)
degrees = y * spacing
y_pos = self._y_pos(degrees)
dc.DrawLine(0, y_pos, self.width, y_pos)
gc.DrawText(unicode(y * spacing),
1, y_pos - (font.GetPointSize() / 2))
if self.timer.IsRunning() is False:
font = wx.Font(14, wx.DEFAULT, wx.NORMAL, wx.BOLD)
gc.SetFont(font, wx.Colour(3, 4, 4))
gc.DrawText("Graph offline",
self.width / 2 - (font.GetPointSize() * 3),
self.height / 2 - (font.GetPointSize() * 1))
#dc.DrawCircle(50, 50, 1)
#gc.SetPen(wx.Pen(wx.Colour(255, 0, 0, 0), 1))
#gc.DrawLines([[20, 30], [10, 53]])
#dc.SetPen(wx.Pen(wx.Colour(255, 0, 0, 0), 1))
def _y_pos(self, temperature):
"""Converts a temperature, in degrees, to a pixel position"""
#fraction of the screen from the bottom
frac = (float(temperature - self.minyvalue)
/ (self.maxyvalue - self.minyvalue))
return int((1.0 - frac) * (self.height - 1))
def _calculate_spacing(self):
# Allow grids of spacings 1,2.5,5,10,25,50,100,etc
yspan = float(self.maxyvalue - self.minyvalue)
log_yspan = log10(yspan / self.ybars)
exponent = int(floor(log_yspan))
#calculate boundary points between allowed spacings
log1_25 = log10(2) + log10(1) + log10(2.5) - log10(1 + 2.5)
log25_5 = log10(2) + log10(2.5) + log10(5) - log10(2.5 + 5)
log5_10 = log10(2) + log10(5) + log10(10) - log10(5 + 10)
if log_yspan - exponent < log1_25:
return 10 ** exponent
elif log1_25 <= log_yspan - exponent < log25_5:
return 25 * 10 ** (exponent - 1)
elif log25_5 <= log_yspan - exponent < log5_10:
return 5 * 10 ** exponent
else:
return 10 ** (exponent + 1)
def drawtemperature(self, dc, gc, temperature_list,
text, text_xoffset, r, g, b, a):
if self.timer.IsRunning() is False:
dc.SetPen(wx.Pen(wx.Colour(128, 128, 128, 128), 1))
else:
dc.SetPen(wx.Pen(wx.Colour(r, g, b, a), 1))
x_add = float(self.width) / self.xsteps
x_pos = 0.0
lastxvalue = 0.0
lastyvalue = temperature_list[-1]
for temperature in (temperature_list):
y_pos = self._y_pos(temperature)
if (x_pos > 0.0): # One need 2 points to draw a line.
dc.DrawLine(lastxvalue, lastyvalue, x_pos, y_pos)
lastxvalue = x_pos
x_pos = float(x_pos) + x_add
lastyvalue = y_pos
if len(text) > 0:
font = wx.Font(8, wx.DEFAULT, wx.NORMAL, wx.BOLD)
#font = wx.Font(8, wx.DEFAULT, wx.NORMAL, wx.NORMAL)
if self.timer.IsRunning() is False:
gc.SetFont(font, wx.Colour(128, 128, 128))
else:
gc.SetFont(font, wx.Colour(r, g, b))
text_size = len(text) * text_xoffset + 1
gc.DrawText(text,
x_pos - x_add - (font.GetPointSize() * text_size),
lastyvalue - (font.GetPointSize() / 2))
def drawbedtemp(self, dc, gc):
self.drawtemperature(dc, gc, self.bedtemps,
"Bed", 2, 255, 0, 0, 128)
def drawbedtargettemp(self, dc, gc):
self.drawtemperature(dc, gc, self.bedtargettemps,
"Bed Target", 2, 255, 120, 0, 128)
def drawextruder0temp(self, dc, gc):
self.drawtemperature(dc, gc, self.extruder0temps,
"Ex0", 1, 0, 155, 255, 128)
def drawextruder0targettemp(self, dc, gc):
self.drawtemperature(dc, gc, self.extruder0targettemps,
"Ex0 Target", 2, 0, 5, 255, 128)
def drawextruder1temp(self, dc, gc):
self.drawtemperature(dc, gc, self.extruder1temps,
"Ex1", 3, 55, 55, 0, 128)
def drawextruder1targettemp(self, dc, gc):
self.drawtemperature(dc, gc, self.extruder1targettemps,
"Ex1 Target", 2, 55, 55, 0, 128)
def SetBedTemperature(self, value):
self.bedtemps.pop()
self.bedtemps.append(value)
def AddBedTemperature(self, value):
self.bedtemps.append(value)
if float(len(self.bedtemps) - 1) / self.xsteps > 1:
self.bedtemps.pop(0)
def SetBedTargetTemperature(self, value):
self.bedtargettemps.pop()
self.bedtargettemps.append(value)
def AddBedTargetTemperature(self, value):
self.bedtargettemps.append(value)
if float(len(self.bedtargettemps) - 1) / self.xsteps > 1:
self.bedtargettemps.pop(0)
def SetExtruder0Temperature(self, value):
self.extruder0temps.pop()
self.extruder0temps.append(value)
def AddExtruder0Temperature(self, value):
self.extruder0temps.append(value)
if float(len(self.extruder0temps) - 1) / self.xsteps > 1:
self.extruder0temps.pop(0)
def SetExtruder0TargetTemperature(self, value):
self.extruder0targettemps.pop()
self.extruder0targettemps.append(value)
def AddExtruder0TargetTemperature(self, value):
self.extruder0targettemps.append(value)
if float(len(self.extruder0targettemps) - 1) / self.xsteps > 1:
self.extruder0targettemps.pop(0)
def SetExtruder1Temperature(self, value):
self.extruder1temps.pop()
self.extruder1temps.append(value)
def AddExtruder1Temperature(self, value):
self.extruder1temps.append(value)
if float(len(self.extruder1temps) - 1) / self.xsteps > 1:
self.extruder1temps.pop(0)
def SetExtruder1TargetTemperature(self, value):
self.extruder1targettemps.pop()
self.extruder1targettemps.append(value)
def AddExtruder1TargetTemperature(self, value):
self.extruder1targettemps.append(value)
if float(len(self.extruder1targettemps) - 1) / self.xsteps > 1:
self.extruder1targettemps.pop(0)
def StartPlotting(self, time):
self.Refresh()
self.timer.Start(time)
if self.window: self.window.graph.StartPlotting(time)
def StopPlotting(self):
self.timer.Stop()
self.Refresh()
if self.window: self.window.graph.StopPlotting()
def draw(self, dc, w, h):
dc.SetBackground(wx.Brush(self.root.settings.bgcolor))
dc.Clear()
gc = wx.GraphicsContext.Create(dc)
self.width = w
self.height = h
self.drawgrid(dc, gc)
self.drawbedtargettemp(dc, gc)
self.drawbedtemp(dc, gc)
self.drawextruder0targettemp(dc, gc)
self.drawextruder0temp(dc, gc)
self.drawextruder1targettemp(dc, gc)
self.drawextruder1temp(dc, gc)
class _YBounds(object):
"""Small helper class to claculate y bounds dynamically"""
def __init__(self, graph, minimum_scale=5.0, buffer=0.10):
"""_YBounds(Graph,float,float)
graph parent object to calculate scales for
minimum_scale minimum range to show on the graph
buffer amount of padding to add above & below the
displayed temperatures. Given as a fraction of the
total range. (Eg .05 to use 90% of the range for
temperatures)
"""
self.graph = graph
self.min_scale = minimum_scale
self.buffer = buffer
# Frequency to rescale the graph
self.update_freq = 10
#number of updates since last full refresh
self._last_update = self.update_freq
def update(self, forceUpdate=False):
"""Updates graph.minyvalue and graph.maxyvalue based on current
temperatures """
self._last_update += 1
# TODO Smart update. Only do full calculation every 10s. Otherwise,
# just look at current graph & expand if necessary
if forceUpdate or self._last_update >= self.update_freq:
self.graph.minyvalue, self.graph.maxyvalue = self.getBounds()
self._last_update = 0
else:
bounds = self.getBoundsQuick()
self.graph.minyvalue, self.graph.maxyvalue = bounds
def getBounds(self):
"""
Calculates the bounds based on the current temperatures
Rules:
* Include the full extruder0 history
* Include the current target temp (but not necessarily old
settings)
* Include the extruder1 and/or bed temp if
1) The target temp is >0
2) The history has ever been above 5
* Include at least min_scale
* Include at least buffer above & below the extreme temps
"""
extruder0_min = min(self.graph.extruder0temps)
extruder0_max = max(self.graph.extruder0temps)
extruder0_target = self.graph.extruder0targettemps[-1]
extruder1_min = min(self.graph.extruder1temps)
extruder1_max = max(self.graph.extruder1temps)
extruder1_target = self.graph.extruder1targettemps[-1]
bed_min = min(self.graph.bedtemps)
bed_max = max(self.graph.bedtemps)
bed_target = self.graph.bedtargettemps[-1]
miny = min(extruder0_min, extruder0_target)
maxy = max(extruder0_max, extruder0_target)
if extruder1_target > 0 or extruder1_max > 5: # use extruder1
miny = min(miny, extruder1_min, extruder1_target)
maxy = max(maxy, extruder1_max, extruder1_target)
if bed_target > 0 or bed_max > 5: # use HBP
miny = min(miny, bed_min, bed_target)
maxy = max(maxy, bed_max, bed_target)
padding = (maxy - miny) * self.buffer / (1.0 - 2 * self.buffer)
miny -= padding
maxy += padding
if maxy - miny < self.min_scale:
extrapadding = (self.min_scale - maxy + miny) / 2.0
miny -= extrapadding
maxy += extrapadding
return (miny, maxy)
def getBoundsQuick(self):
# Only look at current temps
extruder0_min = self.graph.extruder0temps[-1]
extruder0_max = self.graph.extruder0temps[-1]
extruder0_target = self.graph.extruder0targettemps[-1]
extruder1_min = self.graph.extruder1temps[-1]
extruder1_max = self.graph.extruder1temps[-1]
extruder1_target = self.graph.extruder1targettemps[-1]
bed_min = self.graph.bedtemps[-1]
bed_max = self.graph.bedtemps[-1]
bed_target = self.graph.bedtargettemps[-1]
miny = min(extruder0_min, extruder0_target)
maxy = max(extruder0_max, extruder0_target)
if extruder1_target > 0 or extruder1_max > 5: # use extruder1
miny = min(miny, extruder1_min, extruder1_target)
maxy = max(maxy, extruder1_max, extruder1_target)
if bed_target > 0 or bed_max > 5: # use HBP
miny = min(miny, bed_min, bed_target)
maxy = max(maxy, bed_max, bed_target)
#We have to rescale, so add padding
bufratio = self.buffer / (1.0 - self.buffer)
if miny < self.graph.minyvalue:
padding = (self.graph.maxyvalue - miny) * bufratio
miny -= padding
if maxy > self.graph.maxyvalue:
padding = (maxy - self.graph.minyvalue) * bufratio
maxy += padding
return (min(miny, self.graph.minyvalue),
max(maxy, self.graph.maxyvalue))