[chiplotle-discuss] Hatching

douglas repetto douglas at music.columbia.edu
Sat Sep 10 23:13:59 EDT 2011


Not hatching, exactly, but someone wrote to me awhile ago saying that 
they had good results using the FS (pen pressure) command on a Roland XY 
plotter to do a kind of greyscale rastering. He sent me a couple 
examples that looked terrific!


douglas


On 9/10/11 3:09 PM, Tom Sparks wrote:
> I know that inkscape can do hatching, but I dont know if it can do shaded style hatching
>
>
> --
> tom_a_sparks "It's a nerdy thing I like to do"
> Please use ISO approved file formats excluding Office Open XML - http://www.gnu.org/philosophy/no-word-attachments.html
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>
>
> ----- Original Message -----
>> From: Rupert Brooks<rupert.brooks at gmail.com>
>> To: Tom Sparks<tom_a_sparks at yahoo.com.au>; chiplotle - now that's a spicy plotter library!<chiplotle-discuss at music.columbia.edu>
>> Cc:
>> Sent: Saturday, 10 September 2011 11:55 AM
>> Subject: Re: [chiplotle-discuss] Hatching
>>
>> Hi Tom,
>>
>> I havent done it, but it interests me a lot.  You are thinking of
>> generating the hatches from a photographic image or something like
>> that?  I've seen this done for sketching elevation in cartography
>> before:
>>
>> Visvalingam, M and Dowson, K,  Algorithms for Sketching Surfaces,
>> Computers&  Graphics 22 (2&3), 269 - 280
>> Unfortunately, having trouble getting a PDF this morning...
>>
>> However,  a quick google found me this page on non-photorealistic
>> rendering with far more material, which will likely occupy the rest of
>> my weekend as i read through it!
>> http://www.red3d.com/cwr/npr/
>>
>> Happy hatching
>> Rupert
>> --------------------------------------------------------------
>> Rupert Brooks
>> rupert.brooks at gmail.com
>>
>>
>>
>>
>> On Sat, Sep 10, 2011 at 04:52, Tom Sparks<tom_a_sparks at yahoo.com.au>
>> wrote:
>>>   has anybody done any hatching[1] based art on a pen plotter?
>>>   I am thinking of do an image, any pointers you can give me?
>>>
>>>
>>>   [1] http://en.wikipedia.org/wiki/Hatching
>>>
>>>   --
>>>   tom_a_sparks "It's a nerdy thing I like to do"
>>>   Please use ISO approved file formats excluding Office Open XML -
>> http://www.gnu.org/philosophy/no-word-attachments.html
>>>   3 x (x)Ubuntu 10.04, Amiga A1200 WB 3.1, UAE AF 2006 WB 3.X, Sam440 AOS
>> 4.1.2
>>>   Wanted: RiscOS system, GEOS system (C64/C128), Atari ST, Apple Macintosh
>> (68k/PPC only)
>>>   _______________________________________________
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>>>
>>
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