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#!/usr/bin/env python
"""
A simple demo to show how to do grids
"""
import wx
try:
# See if there is a local copy
import sys
sys.path.append("../")
from floatcanvas import NavCanvas, FloatCanvas
except ImportError:
from wx.lib.floatcanvas import NavCanvas, FloatCanvas
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
Canvas = NavCanvas.NavCanvas(self,-1,
size = (500,500),
ProjectionFun = None,
Debug = 0,
BackgroundColor = "DARK SLATE BLUE",
).Canvas
Point = (45,40)
Box = Canvas.AddCircle(Point,
Diameter = 10,
FillColor = "Black",
LineColor = "Red",
LineWidth = 6)
# Crosses:
Grid = FloatCanvas.DotGrid( Spacing=(1, .5), Size=2, Color="Cyan", Cross=True, CrossThickness=2)
#Dots:
#Grid = FloatCanvas.DotGrid( (0.5, 1), Size=3, Color="Red")
Canvas.GridUnder = Grid
#Canvas.GridOver = Grid
Canvas.Bind(FloatCanvas.EVT_MOTION, self.OnMove )
self.Show()
Canvas.ZoomToBB()
def OnMove(self, event):
"""
Updates the status bar with the world coordinates
"""
self.SetStatusText("%.2f, %.2f"%tuple(event.Coords))
app = wx.App(False) # true to get its own output window.
F = DrawFrame(None, title="FloatCanvas Demo App", size=(700,700) )
app.MainLoop()
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