Stop here for a moment:
1. Choose a good placement and good and interesting trails for the goal of structure preservation.
2. Stylize each trail by using some existing curve generation algorithms.
3. Apply some rendering ideas or popup ideas to obtain some interesting effects.
4. Applications: mosaics or collage or abtract
Some issues for this stop:
1. How to keep structure there?
2. Vector field? right now, bilateral smoothness. Have to make sure the quality in swirling areas and validate the field.
3. Placement has great influence for trails. What's our best placement at least in our mind?
4. Effects or quality maintainability? Even spacing seems one of key things.But small details such as eyes seems dense placement is good. Without strange angles or corners.More?
5. Later rendering effects will enhance or weaken the structure?
Exploring other possibilities:
1. Pattern or texture generations based on chosen goal textures. More flexible.Geometrical guide or physical guide or image guide.
2. Image presented with different patterns, such as stone, block, barks, straw. ( *Very interesting)
3. Exclusion effects.
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