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Model Geometry:

The picture I chose in model 4 is the famous artwork by Mondrian. I think this painting with distinct color blocks can show the adaptive parametric design clearly.

Modeling Approach - Part One

• Step1. Apply Adaptive UV panels points and add adaptive panels.

I created integer sliders of the numbers of U and V so that they can be changed easily. Then I created the list of points and then use "AdaptiveCoponent.ByPoints" to define the family type of "Rect_Seamless Panel 4". Also, I add the function node so that the "Height" Parameter can be adjusted easily.

• Step2. Map the Colors Firstly, I used "File Path" to load the image. Then I used "Image.Pixels" node to break image into points of color list.
• Step3. Provide the Ability to Mirror or Flip the Image as Desired In the Boolean node, I create four lists, which are “original”, “horizontally flip”, “vertically flip”, and “flip both horizontally and vertically”. In this way the “Mirror Image” can be achieved on both directions.

• Step4. Adjust the Thicknesses of the Adaptive Panels

In step 4, I used the color brightness of each block as the value to adjust the parameter of height of each panel.

• Step 5. Add Logic to Enable Your Users to Quickly Choose Between an Embossed or Debossed Effect

Similarly to the boolean node in step 3, I set the embossed and debossed conditions separately and add the node "List.GetItemAtIdex" to make a choice. Here I set standard thickness as 3 and range the additional thickness by the brightness from 0-4.

Modeling Approach - Part Two

• Step1. Evaluate the Directness of the Surface Panels to the Sun

The basic logic in step 1 is: firstly calculate the surface normal vectors of panels in a list (as step 1.3), then choose a sunsetting (step 1.4), and then use dot product and standardized the product from 0-1 (step 1.5)

The custom node I create use the same logic behind:

Here inside the node step2A there is a process of flipping. By using “IF” conditions, we can flip all vectors to positive.

• Step 2: Use Color to Indicate the Directness of the Sun

In step 2, I firstly choose a color range from pure red to pure blue. Then I change the color of panels according to their sun vectors value (in step 2.2). The graph when the sun rises at 10:00 am is attached below, where the red color means the panel is more exposed to sun and the blue color means the panel is more shaded.

• Step 3: Adjust the Surface Panel Geometry based on Directness of the Sun

Because the panel type I used here is “Rect_AperaturePanel”, I want to adjust both the “WallThickness” and “WallAngle” parameters based on the directness of the sun, in which the thickness ranges from 0’3’’ to 4’0’’, and the angle ranges from 10 to 80 degrees.

In the picture we can see the panels on the sun exposed area have a smaller angle and smaller thickness, whereas the panels on the shaded area have larger wallagle and larger thickness.