On Mon, Apr 17, 2006 at 11:54:56PM +0300, Niko Tyni wrote:
>
> > 1) The lower bound should be probably rounded down to the next multiple
> > of the interval. This is the behaviour when integer_ticks_only is off.
>
> Right. One more round of iteration attached.
Hello Niko,
There are some ticks above the graph now:
-----------------------
#! /usr/bin/perl -w
use Chart::LinesPoints;
@data=([2000..2190], [18..208]);
$obj=Chart::LinesPoints->new (600,400);
$obj->set ('title' => "Bug");
$obj->set ('max_y_ticks' => 10);
$obj->set ('integer_ticks_only' => 1);
$obj->png ("foo.png",[EMAIL PROTECTED]);
-----------------------
> > 2) the patch did not apply so I used fromdos on Base.pm and it applied.
> > Maybe my MUA has converted the patch to UNIX lines.
>
> No, the problem is at my end. I hope this one comes through correctly.
> (I'm using 'application/x-patch' instead of 'text/plain' now.)
Yes, this one applies fine.
> > 3) I would suggest the default for max_y_ticks to be the same with or
> > without integer_ticks_only (the manpage suggests so). A specific value
> > could be used for max_y_ticks to denote the correct behaviour (no max).
>
> I don't understand this.
>
OK, please try the script below:
----------------------
#! /usr/bin/perl -w
use Chart::LinesPoints;
@data=([2000..2999], [0..999]);
$obj=Chart::LinesPoints->new (600,400);
$obj->set ('integer_ticks_only' => 0);
$obj->png ("foo1.png",[EMAIL PROTECTED]);
$obj=Chart::LinesPoints->new (600,400);
$obj->set ('integer_ticks_only' => 1);
$obj->png ("foo2.png",[EMAIL PROTECTED]);
----------------------
and compare foo1.png with foo2.png.
foo1.png has 10 y ticks while foo2.png has 50 ticks.
> The default for max_y_ticks is the same in both cases, 100. The
> 'integer_ticks_only' code aims for a tick interval of 1, but if that goes
> over max_y_ticks, it starts compensating. Without 'integer_ticks_only',
> the 'max_y_ticks' kicks in only with non-integer tick intervals.
Ah, so this is the intended behaviour ? Weird.
Cheers,
Bill.
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