Re: Motivation for having a 'text color' that is invisible

[christian ridderstrom gmail com]

On Wed, 24 Oct 2007, Michael Ross wrote:

> Can't you put all the "sometimes invisible" text on a layer and toggle 
> that on and off as needed?  I do that all the time with equipment 
> diagrams now. One layer is the functional diagram, another maybe a 
> schematic, another may have purchasing information or setup information 
> on it. I turn them on an off as needed.

I should have been more clear. In this case I always want the text that 
belongs to the shape 'Chronogram - time scale' to be invisible.

Note that the text belongs to this particular shape, and as far as I know, 
I must place the entire shape on the same layer.

Clearer now?
/Christian

> I also overlay scanned graphs and do the same.
>
> mike
>
> On 10/24/07, christian ridderstrom gmail com <
> christian ridderstrom gmail com> wrote:
> > Hi,
> >
> > I'm not sure if the following use case for why an 'invisble' text colour
> > is needed, but I have a vague memory that one was needed from a long time
> > back. The use case should probably be added to a bugzilla issue, but I'd
> > like to mention it here first (and maybe someone can remember which
> > issue..).
> >
> > Here's the use case.  I wanted to draw a timing diagram, and used the
> > Chronogram block. However, that block automatically shows various numbers
> > and I want to have arbitrary text instead of numbers.  The solution I
> > chose now was to set the text colour to the same value as that of the
> > background.  This will however not work if the background varies, or if it
> > is later changed.
> >
> > So to summarize, this is a situation when I would have like to be able to
> > set the colour of the text to 'invisible'.
> >
> > I hope the description of the use case makes sense, and if there are other
> > solutions please let me know.
> >
> > Best regards
> > /Christian
> >
> > --
> > Christian Ridderström, +46-8-768 39 44
> > http://www.md.kth.se/~chr
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--
Christian Ridderström, +46-8-768 39 44               http://www.md.kth.se/~chr