You can see what is going on by using the text widget:
<$text text=<<ProgressMark>>/>
gives
<$macrocall $name="rpn" a=<<Proportion>> b=520 operation="*">
- macro are not 'wikified' when used in params
I would use a macro around the svg
\define mymacro(ProgressMark)
<svg><text x=$ProgressMark$ y=16 fill="red">▼</text></svg>
\end
Maybe this is what you are saying....
On Thursday, October 26, 2017 at 3:59:00 PM UTC+2, hubertgk wrote:
>
> Hi All,
>
> I'm building a goal tracker using two html elements: <progress> and <svg>,
> the brilliant "rpn" macro by Thomas Elmiger and a simple "DaysDiff" macro
> that I created myself (it returns the number of days elapsed from a given
> date).
>
> The <svg> HTML element moves along the x axis and shows the completion
> rate (using the fields 'tracker_current_value' divided by
> 'tracker_target_value' multiplied by 520 [px] as "520" is the width that
> amounts to "100% completion"); the <svg> element moves in parallel to the
> <progress> element that is measuring the time that's elapsed:
>
> The relevant snippets of code:
>
> <svg><text x=<<ProgressMark>> y=16 fill="red">▼</text></svg>
> <progress value=<<some value>> max=<<max value>>></progress>
>
> The problem that I have is that the <svg> element will not accept the
> output value of the <<ProgressMark>> macro that I've defined ad-hoc in the
> tiddler in order to calculate the position of the <svg> element in this way:
>
> \define Proportion()
> <$macrocall $name="rpn" a=$(currentVal)$ b=$(targetVal)$ operation="/">
> \end
>
> \define ProgressMark()
> <$macrocall $name="rpn" a=<<Proportion>> b=520 operation="*">
> \end
>
> <$set name=currentVal value={{!!tracker_current_value}}>
> <$set name=targetVal value={{!!tracker_target_value}}>
>
> <svg> does accept the value if it's entered as <<SomeMacro 12345>> but not
> when entered as <$macrocall...> or <<ProgressMark>> even though the
> <<ProgressMark>> returns the correct value when used outside of the <svg>
> element.
>
> How can I process the result of the macro? Could I use <$wikify> perhaps?
> If so, how? I've looked around this group and could not find a satisfactory
> solution.
>
> Thank you very much for any suggestions!
>
>
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