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I've been playing with rendering various text objects with different fonts.
I used a standard (ie. from the "Insert" menu) text object, plug in my text,
then type in the font I want to try and render away. However, certain font
don't render correctly. That is, the letters are scrambled, and often
aren't in the text string I entered in the text object. I'm reasonably
certain that the font is not corrupt because I can use it in a standard word
processing program or paint tool like Print Shop or any tool that lets you
select your font.
Here's an example that works just fine:
text
{
ttf // font type (only TrueType format for now)
"arial.ttf", // Microsoft Windows-format TrueType font file name
"123456",
TextDepth, // the extrusion depth
CharSeparation // inter-character spacing
texture { Text_Tex }
rotate <0, -2, 0>
translate <-3, 0.3, 2>
}
Now, I've got quite an extensive collection of font types because I do a lot
of web development and associated graphics design. I'm always looking for
the right font for a given job. I wanted to do some 3d rendering of the
fonts I'm using for some web graphics. I'm finding that quite a few fonts
aren't working in POV-Ray quite as expected.
Is this a known problem?
- Patrick
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...
> I used a standard (ie. from the "Insert" menu) text object, plug in my
> text, then type in the font I want to try and render away. However,
> certain font don't render correctly.
...
Look into, "Insert/Statements/charset", this needs to be in a global setting
statement.
Stephen
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Thanks, Stephen, than helped a bit. Now at least the characters that render
are the ones I expect to see. Mostly...
Some of the characters still don't render, though. For example, if I try to
render the string "abcdefg" for one font I get the 'a' through 'f', but the
'g' comes out as one of those little empty boxes. (For different fonts the
missing letter is something different. This is just an example. And this
problem does NOT happen for MOST fonts types.) Using the same font in
another tool shows the 'g' to be there as normally as all the other
characters. Also, in the Windows Font folder, if you double-click the
font's ttf file, you can see all the characters that are defined for the
font, and the 'g' is certainly one of them.
Some of the fonts I have only have definitions for the letters, some of them
only for the upper case or only the lower case letters. I'm not trying to
render in POV-Ray letters that are not defined in the font.
It still seems that there's a text/font rendering problem in POV-Ray.
- Patrick
"StephenS" <stephen@nospam> wrote in message
news:44a65900$1@news.povray.org...
> ...
>> I used a standard (ie. from the "Insert" menu) text object, plug in my
>> text, then type in the font I want to try and render away. However,
>> certain font don't render correctly.
> ...
> Look into, "Insert/Statements/charset", this needs to be in a global
> setting statement.
>
> Stephen
>
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...
> Some of the characters still don't render, though.
...
At this point some additional information would be needed.
What version of POV-Ray are you using?
Are any of the fonts you are having problems with publicly available?
Can you post a short code that illustrates the problem(in the appropriate
group).
Stephen
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POV-Ray version 3.6.1c.id8.win32 according to the popup window.
I believe at least some of the fonts are freely available publicly, if you
go to the right web site. I can include by attachment one or two with the
posted code, if that would help. (After, of course, I verify that I got the
font from a "free font" web site.)
Finally, what would be the appropriate group for this code posting?
- Patrick
"StephenS" <stephen@nospam> wrote in message
news:44a70292$1@news.povray.org...
> ...
>> Some of the characters still don't render, though.
> ...
> At this point some additional information would be needed.
>
> What version of POV-Ray are you using?
> Are any of the fonts you are having problems with publicly available?
> Can you post a short code that illustrates the problem(in the appropriate
> group).
>
> Stephen
>
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...
> Finally, what would be the appropriate group for this code posting?
...
If you can point us to the correct place for the font, and the code is
short(under 20 lines), this group is fine.
If you want to attach files(font, code, picture) a binaries group would be
best, perhaps povray.binaries.scene-files.
Stephen
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Sorry for not replying for a while. Holiday and vacation activities keeping
me otherwise occupied.
Well, I've seen this problem with several fonts. But one that's available
free from multiple web sites is "01-01-00.ttr". I did a Google search and
it showed up all over the place.
So, I'll post below the code that shows the problem.
start code...
//----------------------------------------------------------------------------------------------------------------
#version 3.6;
global_settings
{
assumed_gamma 1.0
//charset ascii // standard ascii (only 0 to 127 are valid)
charset utf8 // unicode
//charset sys // system specific charset
}
// ----------------------------------------
camera
{
location <0.0, 1.0, -6.0>
direction 1.5*z
right 4/3*x
look_at <0.0, 0.0, 6.0>
}
sky_sphere {pigment{ gradient y color_map { [0.0 color blue 0.6] [1.0 color
rgb 1] }}}
light_source
{
<0, 0, 0> // light's position (translated below)
color rgb <1, 1, 1> // light's color
translate <-30, 30, -30>
}
// ----------------------------------------
#declare Text_Tex = texture
{
pigment{ color rgb <0.98, 0.83, 0.58> }
normal{ dents 1.2 scale 0.01 }
finish{ phong 0 brilliance 0.7 }
}
#declare TextDepth = 0.22;
#declare CharSeparation = <0.06, 0, 0>;
#declare FontName = "01-01-00.TTF";
#declare xPos = -3.4;
#declare yPos = 0.4;
#declare zPos = 4.2;
#declare testString1 = "`1234567890-=";
#declare testString2 = "~!@#$%^&*()_+";
#declare testString3 = "qwertyuiop[]\\";
#declare testString4 = "QWERTYUIOP{}|";
#declare testString5 = "asdfghjkl;'";
#declare testString6 = "ASDFGHJKL:\"";
#declare testString7 = "zxcvbnm,./";
#declare testString8 = "ZXCVBNM<>?";
text
{
ttf // font type (only TrueType format for now)
FontName, // Microsoft Windows-format TrueType font file name
testString5, // Change string number (1-8) to try different
characters.
TextDepth, // the extrusion depth
CharSeparation // inter-character spacing
texture { Text_Tex }
rotate <0, -2, 0>
translate <xPos, yPos, zPos>
}
plane { y, 0 pigment { color rgb <0.7,0.5,0.3> } }
//----------------------------------------------------------------------------------------------------------------
... end code
- Patrick
"StephenS" <stephen@nospam> wrote in message
news:44a85a61$1@news.povray.org...
> ...
>> Finally, what would be the appropriate group for this code posting?
> ...
> If you can point us to the correct place for the font, and the code is
> short(under 20 lines), this group is fine.
>
> If you want to attach files(font, code, picture) a binaries group would be
> best, perhaps povray.binaries.scene-files.
>
> Stephen
>
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fwiw, I tried it with the suggested font and got similar problems (windows
XP)
with a test string of
#declare testStringJA = "abcdefghijklmnopqrstuvwxyz1234567890";
with charset UTF-8 I got warning messages of
File: E:!dsPOVlibjaTestFontRenderingProblem.pov Line: 67
Parse Warning: Character 103 (0x67) not found in C:WINDOWSFonts1-01-00.TTF
File: E:!dsPOVlibjaTestFontRenderingProblem.pov Line: 67
Parse Warning: Character 108 (0x6C) not found in C:WINDOWSFonts1-01-00.TTF
File: E:!dsPOVlibjaTestFontRenderingProblem.pov Line: 67
Parse Warning: Character 112 (0x70) not found in C:WINDOWSFonts1-01-00.TTF
File: E:!dsPOVlibjaTestFontRenderingProblem.pov Line: 67
Parse Warning: Character 113 (0x71) not found in C:WINDOWSFonts1-01-00.TTF
File: E:!dsPOVlibjaTestFontRenderingProblem.pov Line: 67
Parse Warning: Character 115 (0x73) not found in C:WINDOWSFonts1-01-00.TTF
if you change the charset to ascii, you get a crash. Fair enough.
Maybe Povray does not support all possible valid TTFs or maybe some of them
are invalid.. maybe you just have to do a test render of the full alphabet
to find out .. perhaps the experts can tell us.
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Fontviewer from Mike Lischke at
http://www.lischke-online.de/FontViewer.php
displays that unicode font just fine, but very slowly.. also the windows
applet that displays the font is also very slow to render it.
Maybe there is something arcane about it .. some excess hinting?
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Well, just to test exactly that theory, I used it in several applications to
make sure it behaved appropriately before I ever posted anything here.
I've not seen anything slow about it or the other fonts I've had the problem
with, but then I'm running a 3GHz dual core processor. The slow-down might
not be enough to notice at that speed.
- Patrick
"Mutley2003" <nomail@nomail> wrote in message
news:web.44adbda1ab1d1e6e2362b6c20@news.povray.org...
>
> Fontviewer from Mike Lischke at
> http://www.lischke-online.de/FontViewer.php
> displays that unicode font just fine, but very slowly.. also the windows
> applet that displays the font is also very slow to render it.
>
> Maybe there is something arcane about it .. some excess hinting?
>
>
>
>
>
>
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