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Re: plot solid circle on image [message #94671 is a reply to message #94668]

Thu, 10 August 2017 23:54

Helder Marchetto
Messages: 520
Registered: November 2011

Senior Member

On Thursday, August 10, 2017 at 9:10:23 PM UTC+2, AGW wrote:
> On Thursday, August 10, 2017 at 7:21:18 PM UTC+2, AGW wrote:
>> I want to plot solid circle of position (x,y) on image. how can I do it?
>
> I want to plot it at specific pixel (x1 = 214 & y1 = 546)

Check the math of the circle equation here:
https://en.wikipedia.org/wiki/Circle
Look "Equations - Cartesian coordinates" for the parametric form using the trigonometric functions.
This should get you in the right direction (if not, check what a and b are).

Cheers,
Helder

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[Message index]

		plot solid circle on image By: Ali Gamal on Thu, 10 August 2017 10:21
		Re: plot solid circle on image By: Lajos Foldy on Thu, 10 August 2017 10:56
		Re: plot solid circle on image By: Ali Gamal on Thu, 10 August 2017 12:10
		Re: plot solid circle on image By: Helder Marchetto on Thu, 10 August 2017 23:54

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