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When we have a few separate text objects as
#local t1=text{ ttf "font.ttf", "First", 1, 0 texture{ pigment{ rgb <1,1,1> }}
#local t2=text{ ttf "font.ttf", "Second", 1, 0 texture{ pigment{ rgb <1,1,1> }}
#local t3=text{ ttf "font.ttf", "Third", 1, 0 texture{ pigment{ rgb <1,1,1> }}
union {t1 t2 t3}
how can we place the object after each other on the x-axis to read the text as
"First Second Third"?
I mean how to find the end of each element to place the next one.
I tried to use max_extent, but was confused where to use it to get the last
location of the previous element.
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"Kima" <nomail@nomail> wrote:
> When we have a few separate text objects as
>
> #local t1=text{ ttf "font.ttf", "First", 1, 0 texture{ pigment{ rgb <1,1,1> }}
> #local t2=text{ ttf "font.ttf", "Second", 1, 0 texture{ pigment{ rgb <1,1,1> }}
> #local t3=text{ ttf "font.ttf", "Third", 1, 0 texture{ pigment{ rgb <1,1,1> }}
>
> union {t1 t2 t3}
>
> how can we place the object after each other on the x-axis to read the text as
> "First Second Third"?
>
> I mean how to find the end of each element to place the next one.
>
> I tried to use max_extent, but was confused where to use it to get the last
> location of the previous element.
Don't use union. All that does is treat them all as one compound object.
Use concat ("First", " ", "Second", " ", "Third")
I just put separate spaces in there to show you how to format the command, and
that it doesn't insert any for you.
So,
#local T = concat ("First", " ", "Second", " ", "Third");
object {T texture {pigment {rgb <1,1,1> } }
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"Bald Eagle" <cre### [at] netscapenet> wrote:
> "Kima" <nomail@nomail> wrote:
> > When we have a few separate text objects as
> >
> > #local t1=text{ ttf "font.ttf", "First", 1, 0 texture{ pigment{ rgb <1,1,1> }}
> > #local t2=text{ ttf "font.ttf", "Second", 1, 0 texture{ pigment{ rgb <1,1,1> }}
> > #local t3=text{ ttf "font.ttf", "Third", 1, 0 texture{ pigment{ rgb <1,1,1> }}
> >
> > union {t1 t2 t3}
> >
> > how can we place the object after each other on the x-axis to read the text as
> > "First Second Third"?
> >
> > I mean how to find the end of each element to place the next one.
> >
> > I tried to use max_extent, but was confused where to use it to get the last
> > location of the previous element.
>
> Don't use union. All that does is treat them all as one compound object.
>
> Use concat ("First", " ", "Second", " ", "Third")
>
> I just put separate spaces in there to show you how to format the command, and
> that it doesn't insert any for you.
>
>
> So,
>
> #local T = concat ("First", " ", "Second", " ", "Third");
>
> object {T texture {pigment {rgb <1,1,1> } }
I cannot combine the texts, as they are separate with different fonts.
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"Kima" <nomail@nomail> wrote:
> I cannot combine the texts, as they are separate with different fonts.
Ah. Righto.
So if you use min_extent and max_extent, you can use those to align things.
http://wiki.povray.org/content/Knowledgebase:Language_Questions_and_Tips
So,
you have:
#local t1=text{ ttf "font.ttf", "First", 1, 0 texture{ pigment{ rgb <1,1,1> }}
#local t2=text{ ttf "font.ttf", "Second", 1, 0 texture{ pigment{ rgb <1,1,1> }}
#local t3=text{ ttf "font.ttf", "Third", 1, 0 texture{ pigment{ rgb <1,1,1> }}
Try:
#declare spacing = 1.0;
#local t1=text{ ttf "font.ttf", "First", 1, 0 texture{ pigment{ rgb <1,1,1> }}
#local t1x = max_extent (t1).x;
#local t2=text{ ttf "font.ttf", "Second", 1, 0 texture{ pigment{ rgb <1,1,1> }
translate x*(t1x+spacing)}
#local t2x = max_extent (t2).x;
#local t3=text{ ttf "font.ttf", "Third", 1, 0 texture{ pigment{ rgb <1,1,1> }
translate x*(t2x+spacing)}
Not that by appending ".x" to max_extent, I'm selecting only the x component of
the <x, y, z> vector that the function returns. That way I'm only translating
along x.
Then you can
union {
object {t1}
object {t2}
object {t3}
}
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