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The convention when importing numpy is to use `import numpy as np` Fixes: unconventional-import-alias (ICN001) Ruff rule: https://docs.astral.sh/ruff/rules/unconventional-import-alias/
118 lines
2.8 KiB
Python
118 lines
2.8 KiB
Python
#!/usr/bin/env python
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"""
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A simple demo that shows how to use FloatCanvas to draw rectangles on the screen
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Note: this is now broken -- the events are not getting to the Rubber Band Box object.
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It should be re-factored to use GUIMode
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"""
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import wx
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## import a local version
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#import sys
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#sys.path.append("..")
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#from floatcanvas import NavCanvas, FloatCanvas, Resources, Utilities, GUIMode
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#from floatcanvas.Utilities import GUI
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## import the installed version
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from wx.lib.floatcanvas import NavCanvas, FloatCanvas, GUIMode
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from wx.lib.floatcanvas.Utilities import GUI
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import numpy as np
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class DrawFrame(wx.Frame):
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"""
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A frame used for the FloatCanvas Demo
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"""
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def __init__(self,parent, id,title,position,size):
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wx.Frame.__init__(self,parent, id,title,position, size)
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self.CreateStatusBar()
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# Add the Canvas
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NC = NavCanvas.NavCanvas(self,
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size= (500,500),
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ProjectionFun = None,
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Debug = 0,
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BackgroundColor = "DARK SLATE BLUE",
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)
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self.Canvas = NC.Canvas
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self.Canvas.Bind(FloatCanvas.EVT_MOTION, self.OnMove)
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# Add some buttons to the Toolbar
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tb = NC.ToolBar
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tb.AddSeparator()
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ClearButton = wx.Button(tb, wx.ID_ANY, "Clear")
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tb.AddControl(ClearButton)
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ClearButton.Bind(wx.EVT_BUTTON, self.Clear)
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DrawButton = wx.Button(tb, wx.ID_ANY, "StopDrawing")
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tb.AddControl(DrawButton)
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DrawButton.Bind(wx.EVT_BUTTON, self.SetDraw)
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self.DrawButton = DrawButton
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tb.Realize()
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# Initialize a few values
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self.Rects = []
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self.RBBoxMode = GUI.RubberBandBox(self.NewRect)
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self.Canvas.SetMode(self.RBBoxMode)
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self.Canvas.ZoomToBB()
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self.Show(True)
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return None
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def Clear(self, event=None):
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self.Rects = []
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self.Canvas.ClearAll()
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self.Canvas.Draw()
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def SetDraw(self, event=None):
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label = self.DrawButton.GetLabel()
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if label == "Draw":
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self.DrawButton.SetLabel("StopDrawing")
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self.Canvas.SetMode(self.RBBoxMode)
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elif label == "StopDrawing":
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self.DrawButton.SetLabel("Draw")
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self.Canvas.SetMode(GUIMode.GUIMouse())
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else: # huh?
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pass
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def NewRect(self, rect):
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self.Rects.append(self.Canvas.AddRectangle(*rect, LineWidth=4))
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self.Canvas.Draw(True)
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def OnMove(self, event):
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"""
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Updates the status bar with the world coordinates
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"""
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self.SetStatusText("%.4f, %.4f"%tuple(event.Coords))
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event.Skip()
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app = wx.App()
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DrawFrame(None, -1, "FloatCanvas Rectangle Drawer", wx.DefaultPosition, (700,700) )
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app.MainLoop()
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