How does the area devoted to the x/y axes and their labels figure
into this?
Doesn’t this assume that 100% of the pane is devoted to
chart data?
Joseph Biran
____________________________________________
From:
amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf Of Herman
Sent: Saturday, March 01, 2008 11:56 AM
To: Jerry Gress
Subject: Re: [amibroker] convert Prices coordinates to Pixel coordinates
Thank
you! that will do. I wonder however how GraphxSpace = figures in this. I'll
have to test it.
thanks
again!
herman
For tips
on developing Real-Time Auto-Trading systems visit:
http://www.amibroker.org/userkb/
Saturday,
March 1, 2008, 2:05:20 PM, you wrote:
>
I do not know what message number it the below was so just copied it from my
>
favorites under low level graphics.
>
Begin:
>
Patrick,
>
No, it is not on to-do list.
>
Low-level graphics uses pixels because it is natural co-ordinate system on
>
the computer.
>
You can easily transform from your "values" to pixels using linear
>
transformation:
>
MinY = ...your minimum y
>
MaxY = ...your maximum Y
>
MinX = ...your minimum X
>
MaxX = ...your maximum X
>
function GetPixelY( value )
>
{
>
global MinY;
>
global MaxY;
>
return Status("pxheight") * ( value - MinY ) / (MaxY - MinY); }
>
function GetPixelX( value )
>
{
>
global MinX;
>
global MaxX;
>
return Status("pxwidth") * ( value - MinX ) / (MaxX - MinX); }
>
Best regards,
>
Tomasz Janeczko
>
amibroker.com
>
----- Original Message -----
>
From: "vlanschot" <vlanschot@xxxxxxxxx>
>
To: <amibroker@xxxxxxxxxxxxxxx>
>
Sent: Sunday, October 07, 2007 12:55 PM
>
Subject: [amibroker] Re: Looking for Gfx XY Charting template
>>
Herman, sorry that this won't help you, but I think many people, like
>>
myself who've experimented with the custom charting functions, are
>>
waiting for TJ to upgrade this functionality to chart along specified
>>
values of the variables, instead of (currently the non-intuitive)
>>
screen pixels. My guess is that this is why you see so few Gfx
>>
examples, whereas potentially it's such a great tool. Fortunately,
>>
unless I'm misinformed, this is on TJ's "to-do" list (along
with
>>
15000000000000 other enhancements ;-)).
>>
PS
>
End:
>
Jerry Gress
>
Stockton, Ca.
>
-----Original Message-----
>
From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx]
On Behalf
>
Of Herman
>
Sent: Saturday, March 01, 2008 10:51 AM
>
To: AmiBroker User Group
>
Subject: [amibroker] convert Prices coordinates to Pixel coordinates
>
Hello,
>
I remember seeing an example to convert Prices coordinates to Pixel
>
coordinates, but i can't find it.
>
Would anyone remember how to do it?
>
Many thanks!
>
herman
>
>
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