mirror of
https://github.com/wxWidgets/Phoenix.git
synced 2025-07-21 12:41:10 +02:00
a2743ad554
These aliases were deprecated in numpy 1.20.0 (January 2021), and removed in 1.24.0 (December 2022) This helps with NumPy 2 support (June 2024). Fixes: numpy-deprecated-type-alias (NPY001) Ruff rule to help transition: https://docs.astral.sh/ruff/rules/numpy-deprecated-type-alias/
150 lines
4.0 KiB
Python
150 lines
4.0 KiB
Python
#!/usr/bin/env python
|
|
|
|
import wx
|
|
## import the installed version
|
|
from wx.lib.floatcanvas import NavCanvas, FloatCanvas
|
|
|
|
## import a local version
|
|
#import sys
|
|
#sys.path.append("../")
|
|
#from floatcanvas import NavCanvas, FloatCanvas
|
|
|
|
import numpy as np
|
|
from numpy import random as random
|
|
|
|
NumChannels = 200
|
|
MaxValue = 2000
|
|
#MaxValue = 2**24
|
|
|
|
|
|
def YScaleFun(center):
|
|
"""
|
|
Function that returns a scaling vector to scale y data to same range as x data
|
|
|
|
This is used by FloatCanvas as a "projection function", so that you can have
|
|
a different scale for X and Y. With the default projection, X and Y are the same scale.
|
|
|
|
"""
|
|
|
|
# center gets ignored in this case
|
|
return np.array((1, float(NumChannels)/MaxValue), float)
|
|
|
|
def ScaleWorldToPixel(self, Lengths):
|
|
"""
|
|
This is a new version of a function that will get passed to the
|
|
drawing functions of the objects, to Change a length from world to
|
|
pixel coordinates.
|
|
|
|
This version uses the "ceil" function, so that fractional pixel get
|
|
rounded up, rather than down.
|
|
|
|
Lengths should be a NX2 array of (x,y) coordinates, or
|
|
a 2-tuple, or sequence of 2-tuples.
|
|
"""
|
|
return np.ceil(( (np.asarray(Lengths, float)*self.TransformVector) )).astype('i')
|
|
|
|
|
|
class DrawFrame(wx.Frame):
|
|
|
|
"""
|
|
A frame used for the FloatCanvas Demo
|
|
|
|
"""
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
wx.Frame.__init__(self, *args, **kwargs)
|
|
|
|
self.CreateStatusBar()
|
|
|
|
# Add the Canvas
|
|
FloatCanvas.FloatCanvas.ScaleWorldToPixel = ScaleWorldToPixel
|
|
NC = NavCanvas.NavCanvas(self,-1,
|
|
size = (500,500),
|
|
BackgroundColor = "DARK SLATE BLUE",
|
|
ProjectionFun = YScaleFun,
|
|
)
|
|
|
|
self.Canvas = Canvas = NC.Canvas
|
|
#self.Canvas.ScaleWorldToPixel = ScaleWorldToPixel
|
|
|
|
self.Canvas.Bind(FloatCanvas.EVT_MOTION, self.OnMove)
|
|
|
|
self.Values = random.randint(0, MaxValue, (NumChannels,))
|
|
|
|
self.Bars = []
|
|
self.BarWidth = 0.75
|
|
# add an X axis
|
|
Canvas.AddLine(((0,0), (NumChannels, 0 )),)
|
|
for x in np.linspace(1, NumChannels, 11):
|
|
Canvas.AddText("%i"%x, (x-1+self.BarWidth/2,0), Position="tc")
|
|
|
|
for i, Value in enumerate(self.Values):
|
|
bar = Canvas.AddRectangle(XY=(i, 0),
|
|
WH=(self.BarWidth, Value),
|
|
LineColor = None,
|
|
LineStyle = "Solid",
|
|
LineWidth = 1,
|
|
FillColor = "Red",
|
|
FillStyle = "Solid",
|
|
)
|
|
self.Bars.append(bar)
|
|
|
|
# Add a couple a button the Toolbar
|
|
|
|
tb = NC.ToolBar
|
|
tb.AddSeparator()
|
|
|
|
ResetButton = wx.Button(tb, label="Reset")
|
|
tb.AddControl(ResetButton)
|
|
ResetButton.Bind(wx.EVT_BUTTON, self.ResetData)
|
|
|
|
# PlayButton = wx.Button(tb, wx.ID_ANY, "Run")
|
|
# tb.AddControl(PlayButton)
|
|
# PlayButton.Bind(wx.EVT_BUTTON, self.RunTest)
|
|
tb.Realize()
|
|
|
|
self.Show()
|
|
Canvas.ZoomToBB()
|
|
Canvas.Draw(True)
|
|
|
|
|
|
def OnMove(self, event):
|
|
"""
|
|
Updates the status bar with the world coordinates
|
|
|
|
"""
|
|
channel, value = event.Coords
|
|
if 0 < channel < NumChannels :
|
|
channel = "%i,"%(channel+1)
|
|
else:
|
|
channel = ""
|
|
|
|
if value >=0:
|
|
value = "%3g"%value
|
|
else:
|
|
value = ""
|
|
self.SetStatusText("Channel: %s Value: %s"%(channel, value))
|
|
|
|
def ResetData(self, event):
|
|
self.Values = random.randint(0, MaxValue, (NumChannels,))
|
|
for i, bar in enumerate(self.Bars):
|
|
bar.SetShape(bar.XY, (self.BarWidth, self.Values[i]))
|
|
self.Canvas.Draw(Force=True)
|
|
|
|
app = wx.App(False)
|
|
F = DrawFrame(None, title="FloatCanvas Demo App", size=(700,700) )
|
|
app.MainLoop()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|