Help required with Tranformation of coordinate system

[BansalMaddy]

On Nov 29, 8:33 pm, Terry Reedy <tjre... at udel.edu> wrote:
> On 11/29/2010 1:55 AM, BansalMaddy wrote:
>
>
>
> > On Nov 29, 2:03 am, Terry Reedy<tjre... at udel.edu>  wrote:
> >> On 11/28/2010 6:36 PM, BansalMaddy wrote:
>
> >>> hi all!
> >>> i need a help in python! i am struggling to implement this since last
> >>> 2/3 days. suppose i have a 2D plot (say y=x**2).
> >>> now on the same plot i want to transform my origin of coordinate
> >>> system to a point (x',y' on this curve and again create a new plot
> >>> with origin at x',y')
> >>> can somebody help me how can i offset my cordinate system ...
>
> >> Plot y-y' == (x-x')**2 - y' against x-x'.
>
> >> --
> >> Terry Jan Reedy
>
> > Thanks for the reply, but i was looking for some built in function to
> > offset coordinate system, because my problem is not very simple as i
> > mentioned in my query, actually i need to plot some kind of closed
> > loops.
> > e..g
> > 1. curve will be y=f(x) then i have to search for a point on y=f(x)
> > curve and i have to plot another function y'=f(x'), where x' and y'
> > are (-2x) and (-2y) repectively.
> > 2. then again i hve to search for a pont on y'=f(x') and do some third
> > kind of operations, on that.
> > in that case if can shift my coordinate system to desired location on
> > curve the computation becomes simpler.
>
> > THanks again, hope i made myself clear :)
>
> You would have to look at the docs for particular third-party plotting
> libraries, such as you might find on PyPI.
>
> --
> Terry Jan Reedy

OK thanks