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#16 Mr_Lamppost

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Posted 13 June 2009 - 07:15 AM

By the way, it's also possible to import a photo and have Genetica automatically figure out how to color the pebbles.

Great tip. :good:

#17 MonsterMind

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Posted 05 July 2009 - 11:59 PM

Tropical Queen:

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Edited by MonsterMind, 06 July 2009 - 12:05 AM.

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#18 MonsterMind

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Posted 07 September 2009 - 10:33 AM

Corinth Floor:

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#19 MonsterMind

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Posted 07 October 2009 - 07:05 AM

Rangoli:

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#20 MonsterMind

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Posted 06 December 2009 - 01:28 AM

Blue Fish:

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Edited by MonsterMind, 06 December 2009 - 01:29 AM.

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#21 adi

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Posted 09 December 2009 - 06:37 PM

To my mind, mosaic tiles of more than one colour are not very common, so I borrowed the fish and tried to put mortar between the colours, too.
What do you think?

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#22 gordon

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Posted 09 December 2009 - 08:51 PM

To my mind, mosaic tiles of more than one colour are not very common, so I borrowed the fish and tried to put mortar between the colours, too.
What do you think?

Interesting technique! I also agree that multicolored tiles are not common and thus would require extra mortar.
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#23 MonsterMind

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Posted 10 December 2009 - 12:38 AM

To my mind, mosaic tiles of more than one colour are not very common, so I borrowed the fish and tried to put mortar between the colours, too.
What do you think?


The technique is interesting, the results are fantastic. I will try to use the new technique. It will be nice to develop filters with different shapes of tiles.

Floor mosaics of ancient times were made out of small stones depicting colorful scenes. There are also multicolor wall mosaics of various periods.
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#24 Atlas

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Posted 12 December 2009 - 01:47 PM

Floor mosaics of ancient times were made out of small stones depicting colorful scenes. There are also multicolor wall mosaics of various periods.

They were referring to the fact that some some of the individual stones in your mosaic had multiple colors in it:

Multicolor.JPG

#25 MonsterMind

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Posted 13 December 2009 - 04:25 AM

They were referring to the fact that some some of the individual stones in your mosaic had multiple colors in it:


I see. I missed the point. I was aware of this small problem but couldn't find a solution offhand. Adi's solution is excellent. I still prefered my old method because I could use it to import an image and change it to a mosaic.

I tried to modify Adi's gtx and use it as a filter but accoutered the same problem. I am still working on it.

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Edited by MonsterMind, 13 December 2009 - 04:27 AM.

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#26 adi

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Posted 14 December 2009 - 06:51 PM

I tried to modify Adi's gtx and use it as a filter but accoutered the same problem. I am still working on it.


Here is one possible solution.
Note, however, that high contrast speckled regions of the initial picture (such as the black and white streak on the back of the fish) will inevitably introduce noise into the coloured tile outline, and the final image will look as if it has broken tiles and wide gaps filled with mortar.
One workaround is to use some form of noise reduction on the initial image, but that will lose detail on the tiles.

Now, if we could have a noise reduction node...
Or maybe could someone show us a good way to do noise reduction with the existing nodes?

Anyway, I do prefer my initial approach, because I can have control over the contours, as well as the materials of the mortar and background tiles.

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#27 MonsterMind

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Posted 15 December 2009 - 12:44 AM

Here is one possible solution.
Note, however, that high contrast speckled regions of the initial picture (such as the black and white streak on the back of the fish) will inevitably introduce noise into the coloured tile outline, and the final image will look as if it has broken tiles and wide gaps filled with mortar.
One workaround is to use some form of noise reduction on the initial image, but that will lose detail on the tiles.

Now, if we could have a noise reduction node...
Or maybe could someone show us a good way to do noise reduction with the existing nodes?

Anyway, I do prefer my initial approach, because I can have control over the contours, as well as the materials of the mortar and background tiles.


It is an interesting gtx structure.Thank you.

I agree, your initial approach is the best.
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#28 Atlas

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Posted 16 December 2009 - 12:56 PM

Now, if we could have a noise reduction node...
Or maybe could someone show us a good way to do noise reduction with the existing nodes?

Well I can show you noise reduction tricks, but that won't do anything for the large areas of unwanted mortar.

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#29 adi

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Posted 16 December 2009 - 11:10 PM

Well I can show you noise reduction tricks, but that won't do anything for the large areas of unwanted mortar.


Thank you. Your method is good to remember for other cases, too.
I tried to use it on the picture before extracting the contours, and here is what I obtained.

As you can see, the efect is the loss of some contours, and thus we have multicoloured tiles.

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Edited by adi, 16 December 2009 - 11:12 PM.


#30 MonsterMind

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Posted 26 January 2010 - 02:10 AM

Plou-Plou Mosaic:

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