Alain wrote:
> Master Xan nous apporta ses lumieres ainsi en ce 2004/05/05 16:34... :
> 
>> "Ross" <rli### [at] everestkcnet> wrote:
>>  
>>
>>> "Master Xan" <nomail@nomail> wrote in message
>>> news:web.4098f88ef7b95717a81507220@news.povray.org...
>>>   
>>>
>>>> Hey, just started using this program... I'm trying to make a logo for a
>>>> website, and I want an engraved sword... I'm learning how to make the
>>>> sword, but I can't seem to get anything with engraved text... I checked
>>>>     
>>>
>>> the
>>>   
>>>
>>>> documentation, I saw something with a difference tag, but couldn't 
>>>> get it
>>>> working... any suggestions?
>>>>
>>>>     
>>>
>>> First off, welcome to povray. second, using True Type Fonts in scenes 
>>> can
>>> become slow, especially with difference. Difference is what you want 
>>> to do,
>>> you were right on that point.
>>>
>>> basically, what you do is this
>>>
>>> difference {
>>>   object {my_sword}
>>>   object {my_text]
>>> }
>>>
>>> you may want to try with simple object at first if you havn't. for 
>>> instance
>>>
>>> difference {
>>>   /* object to cut into */
>>>   box {
>>>      <1, 1, 1>, <-1, -1, -1>
>>>      pigment {rgb <0, 0, 1>}
>>>   }
>>>   /* this box cuts a square shaped hole all the way through the above 
>>> box
>>> */
>>>   box {
>>>      <.5, 2, .5>, <-.5, -2, -.5>
>>>      pigment {rgb <1, .5, 0>}
>>>   }
>>>   rotate 45*y
>>>   translate <0, 1, 0>
>>> }
>>>
>>> the important part is making sure that the object that does the cutting
>>> actually comes into contact with the object you want to cut into. It is
>>> sometimes useful to use "union" in that testing phase (so you 
>>> actually see
>>> where the cutting object is), then replace the union keyword with 
>>> difference
>>> when you have it in the right place.
>>>
>>> what specific problems are you encountering?
>>>   
>>
>>
>> Well, I can't get all the words visable beyond the cone I'm trying to use
>> (kinda looks like a sword if you can't see the ends, I'll replace it
>> later). I think it's because I can't get the text to slant (the cone goes
>> from 0 Z to 3 Z, but the text won't start at 0 Z and end at 3 Z)
>>
>> On an unrelated note, is there a list of included things (textures,
>> pigments, whatever) that comes with the program, or do I have to copy 
>> them
>> from the website?
>>
>>
>>
>>
>>
>>  
>>
> You can rotate the text around any axis. So, assuming your "sword" sit 
> along the x axis, with the small end on the right, rotate your text by 
> -1 to -5 on the y axis like "rotate -2*y". you may need to translate 
> along the z axis. Some trigonometry can give you the exact angle. The 
> origin of your text is completely to the left front of the first letter 
> on the base line of the text (text goes up and right from the origin 
> point and is extruded back)
> 
> Alain

as though it was in a box { <0,0,0>,<len, height, depth>}
height, length, depth related to size of letters on relevant axes

stephen

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