And I see now what I did wrong - thanks for putting up with the questions. On Aug 1, 2010, at 4:32 PM, Peter Otten wrote:
> Chris Hare wrote: > >> Thanks for the help. My one week of python is getting a workout. >> >> I have shortened it all down and made it a standalone example, using yours >> as a model. Your example, works, but it will take a lot of effort to >> retrofit it into the code I have. (which is maybe not a bad idea,). > > You mean retrofit something that works into something tha doesn't? > Seriously, you should never be afraid to throw away code, especially while > you're still in the early phase of learning the language. > >> def sizeit(filename): >> image = Image.open(filename) > > Now you have an Image > >> w,h = image.size >> print w, h >> photo = ImageTk.PhotoImage(file=filename) > > and now a photo, both created from the same file but otherwise independent > >> canvasWidth = 450 >> canvasHeight = 412 >> image = image.resize((canvasWidth,canvasHeight),Image.ANTIALIAS) > > Now you have a new resized Image > >> w,h = image.size >> print w, h >> netRadarImage = Label(frame, image=image) > > Label(image=...) expects a PhotoImage > >> netRadarImage.image = photo >> w.grid(row=1, column=0, columnspan=3) > > Hmm... > >> netRadarImage.grid( row=1, column=0) > > Here's the fixed code: > > def sizeit(filename): > image = Image.open(filename) > canvasWidth = 450 > canvasHeight = 412 > image = image.resize((canvasWidth, canvasHeight),Image.ANTIALIAS) > photo = ImageTk.PhotoImage(image=image) > netRadarImage = Label(frame, image=photo) > netRadarImage.image = photo > netRadarImage.grid(row=0, column=0) > > In plain English: > > - open the Image using the PIL > - resize it > - wrap it into a PhotoImage > - wrap the PhotoImage into a Tkinter.Label either by passing it to the > initialiser or by assigning to label["image"] > - make sure the PhotoImage isn't garbage-collected e. g. by assigning to > label.image > > Peter > -- > http://mail.python.org/mailman/listinfo/python-list -- http://mail.python.org/mailman/listinfo/python-list
