Construction Tree Evolution Batik in Indonesia

Illustration of tree construction filomemetika Batik Nusantara
Indonesia was awarded the cultural diversity that is so remarkable. One of the very high cultural diversity is batik. Style batik in Indonesia is very diverse. He not only developed in Java, but also in Kalimantan, Sumatra, Sulawesi, Bali, Nusa Tenggara and Papua.

Almost every area has a distinctive style batik. There are thousands of batik motifs successfully inventoried in budaya-indonesia.org, originally spread from across the archipelago.

Diversity is so great challenge to us: how to assess the evolution, history, development and the relationship between the motif? This problem can be solved true interdisciplinary perspective, namely by combining fractal mathematical approaches, computational sciences and the study of evolutionary biology color.

The geometric structure or shape of the motif is measured through mathematical fractal approach. Classical geometry teach us about understanding the forms are simple, that dimension integers, eg: a straight line (dimension 1), circles and rectangles (dimension 2 or fields or Flat), as well as cubes, cones and balls (dimensionless 3 or geometry). Mathematics of fractal geometry introduced the concept of contemporary, dimensionless fractions, such as 1.41; 2.35; 3.80 and so on.

The pattern of color characteristic motif is analyzed through computational approaches colors. Batik color configuration expressed in RGB color histogram or red (red), green (green), and blue (blue). A color can be formed from a combination of the three colors.

Why in addition to considering the shape, we must also consider the color? Color is a vital element in a pattern motif. He is associated with the element selection of materials, weather, and collective preferences of the public.

The parameters obtained from the above computation results were analyzed through the evolutionary tree approach commonly found in the study of evolutionary biology. Parameter geometric shapes and color patterns of batik motif is processed as a sequence-sequence information, like DNA sequences in biological structures.

The long series of studies eventually led filomemetika tree representing the development and kinship motives batik in Indonesia.

They Crowding

There is a very interesting findings from the batik produced filomemetika tree. This computational process shows the batik grouping by region. Samples of Solo batik motifs teem with the motif of Solo others. Samples batik from Yogyakarta also clustered with one another. And so on.
Zoom-in filomemetika tree batik: batik motif occurs grouping by region of origin
The motif did not cluster based on the same basic pattern. Latticework of Yogyakarta batik motif did not cluster with latticework motif of Garut. Each region has distinctive characteristics that influence design style batik produced.

Imagine we're in a batik market anywhere. Then we take a piece of batik cloth at random, and we photograph with a digital camera. Without any additional information, after the photo is computationally processed, then probabilistically we can know which region batik motif originated.

Indonesia has a sort of 'DNA' for batik. Interesting right?

By. Hokky Situngkir
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