Re: Exception in barchart

> Christian,
>> is it possible to make some changes in barchart.pl as follows:
>>
>> Line 440ff
>>
>> get(T, width, W), get(T, height, H),
>> send(I, hot_spot, point(W+5, H/2)),
>> %send(I, hot_spot, point(T?width+5, T?height/2)),
>
> Except for errors, this is -as I think you know-, the same. Why is there
> an error though. Or more specifically, why does get(T, height, H) fail?

> I surely have used this package with success.  Your fix might be a fix
> at the wrong place, but before deciding we must know why it fails.
>
> Cheers --- Jan
>
>> I'm getting the following exceptions when drawing barcharts and we don't
>> want to change them every time we install a new version of swi-prolog.
>>
>> ERROR: point ->initialise: Argument 2 (y): `[int]' expected, found
>> `@13807156?height/2'
>> ^  Exception: (20) send(@13707180/image,
>> hot_spot(point(@13807156/text?width+5, @13807156/text?height/2))) ? creep
>>    Exception: (19) Send-method on @13839200/bar_label:
>> bar_label->update_label ? creep
>> ERROR: point ->initialise: Argument 2 (y): `[int]' expected, found
>> `@13807156?height/2'
>> ^  Exception: (17) send(@13839200/bar_label, update_label) ? creep
>>    Exception: (16) Send-method on @13839200/bar_label:
>> bar_label->initialise(@13835130/bar_group)
>>