Excuse the multiple posts yesterday. Gmail was playing up, saying it coulnd't send, when in fact it had.
Mick 2009/5/14 Michael O'Donnell <michael.odonn...@uam.es>: > See below code which moves 10,000 small disks (6x6 pixels) > around a canvas 1000x1000 pixels, without regard to stacking order > (no z axis for disk positions), and moving disks randomly +-1 in > the x and y axis each iteration: > > Takes about 1 second per iteration on my old slow windoze box: > > from Tkinter import * > from random import randint > > class MyCanv(Canvas): > > def setup(self, diskCount): > self.wgts=[] > for i in range(diskCount): > x=randint(0,1000) > y=randint(0,1000) > wid=canv.create_oval(x, y, x+6, y+6, fill="blue") > self.wgts.append((wid, x, y)) > > while True: > self.update1() > > def update1(self): > newItems=[] > for item,x,y in self.wgts: > xdiff=randint(-1,1) > ydiff=randint(-1,1) > newx=x+xdiff > newy=y+ydiff > if newx<0 or newx>1000: > xdiff=0 > newx=x > if newy<0 or newy>1000: > ydiff=0 > newy=y > self.move(item, xdiff, ydiff) > newItems.append((item,newx, newy)) > self.wgts=newItems > self.update() > > main=Tk() > canv=MyCanv(main, bg="white", height=1000, width=1000) > Button(main, text="Start", command=lambda c=canv: c.setup(10000)).pack() > canv.pack(side=TOP) > main.mainloop() > > > > 2009/5/14 Protosssword <xs...@hotmail.com>: >> Dear Colleagues, >> >> I am considering using python to write a simulation program to display the >> motions of about 10,000 2d disks. The program doesn't need to calculate the >> positions of disks. It just reads the result file and displays disks on the >> screen. I wonder whether Tkinter has this ability for rendering so many >> disks in time. >> >> Thanks! >> >> >> Shengxu Xia >> >> ________________________________ >> 使用新一代 Windows Live Messenger 轻松交流和共享！ 立刻下载！ >> _______________________________________________ >> Tkinter-discuss mailing list >> Tkinter-discuss@python.org >> http://mail.python.org/mailman/listinfo/tkinter-discuss >> >> > _______________________________________________ Tkinter-discuss mailing list Tkinter-discuss@python.org http://mail.python.org/mailman/listinfo/tkinter-discuss
