THE MAKING OF CONTAINER HOUSE: SKETCHUP, V-RAY AND POST-PRODUCTION TUTORIAL



In this tutorial, you’re going to learn how to use Photoshop and Picasa as a tool for post-production. The practice of post-production is important to all visualizer which deserve an in-depth study and analysis.  Some would say that rendering using different photorealistic ‘render engine’ is enough in order to come-up with a convincingly realistic photo. However, whatever you do, don't stop there! There are some important things you need to do to your raw render image before it's worthy of your portfolio. The primary functions of photo editing softwares such as Photoshop, Picasa, Gimp etc. are usually to correct color, to adjust light intensity, to insert entourage, to make bump map material and many more that enables you to create your own compositional style.

SKETCHUP MODELLING



The real deal in achieving such photorealistic image is through detailed modelling with proper application of texture and material settings.

STEP 1: Using the SketchUp program, make a detailed 3D shipping container with 8x40 feet in size or you can download any available model(s) in 3Dwarehouse site that correspond to the specification if available.


STEP 2: Make a copy of the shipping container model> Place it on top of the other model> Insert 3D sliding doors and windows to your model.


STEP 3: Add some details to your container house model: roof, railings, balcony, deck, stairs etc.


STEP 4: Click on the ‘Paint Bucket’ tool icon> Choose any applicable textures from the ‘materials pallet’> Click on the face to apply the texture.


STEP 5: Insert 3D entourage in the scene


STEP 6: After finding your preferred perspective view. Save your scene: view> animation> add scene. Creating a scene in SketchUp enables you to capture a state of model, thus you can go back to the same view and settings when needed.

V-RAY RENDERING

STEP 1: Apply the following Vismat (V-Ray) materials to your model:

(a) Metal car paint/ Container metal paint

Car paint reflection settings


Car paint red color 1


Car paint red color 2


Car paint green color 1


Car paint green color 2


(b) Window glass

Reflection settings


IOR settings


Under ‘options’, check ‘trace refraction’


(c) Wood

Reflection and Diffuse settings


Diffuse: Old white wood 200cmx10cm #014


(d) Grass

Diffuse and Maps settings


Grass diffuse


Grass bump





STEP 2: All V-Ray settings should be set in default mode, except for the output setting. Under V-Ray option editor, adjust the output setting to 1600X1200 resolutions. When you’re done, click the render button ‘R’.

STEP 3: Save the following images:

Raw rendered image


Alpha channel

Note: Alpha channel or mask render is a black-and-white representation of all the outlines from the scene. We will be using this image during the post-production, specifically when we need to replace the background of a scene


POST-PRODUCTION

STEP 1: Open the last saved images in Photoshop. The ‘raw rendered image or the main scene’ will serve as the background layer. Place the ‘alpha channel image’ in layer 1.


STEP 2: Delete the blue sky horizon from the background layer (container house raw render). To do that, go to layer 1 (alpha channel image) then using the ‘magic wand tool’ select the black tinted color> go to background and press the delete key. After that, uncheck the visibility of layer 1 (alpha channel image).


STEP 3: Insert the forest background image to your scene. To do that, open the file image of the forest scene> drag the image> fit the entourage image using transform command (press Ctrl+T)> change the image view if needed by clicking ‘Edit’> ‘Transform (horizontal or vertical). Place the forest background in layer 2.


Forest Scene


Note: Technically, any scenery photo you find in the internet can be used as a background element. However, you need to choose photos that match the lighting conditions and proportionality of your rendered 3D scene. 

STEP 4: Remove the lower portion of the forest background, especially the part that covers the ‘container house’. To do that, go to layer 1 again (alpha channel image) then using the ‘magic wand tool’ select the white tinted color> go to layer 2 (forest background) and press the delete key. After that, uncheck the visibility of layer 1 (alpha channel image).

STEP 5: Insert grass landscape in Layer 3. Roughly, erase the upper portion of the image using the eraser tool.

Grass landscape

STEP 6: Insert the following 2D entourage trees. To do that, open the entourage images in Photoshop> drag the images to your scene using ‘move tool’> fit the entourage image using transform command (press Ctrl+T)> change the image view if needed by clicking ‘Edit’> ‘Transform’ (horizontal or vertical). Place the grass landscape scenery in layer 3. Place each tree entourage in layer 4 and 5.

STEP 7:  To accentuate the shadows, duplicate the following layers: Background layer (container house scene), Layer 3 (grass landscape scenery), and (trees entourage) layers 4 and 5. Make sure that the following duplicated layers are place on top. Then set the blend mode to ‘Multiply’ with the value ranging from 5-100% opacity. 

STEP 8: Select each layer that is set in multiply mode, roughly erase the portion you don’t want to be affected by the masking effect or shadows. Result so far.

STEP 9: Add vines or creeping plant image in the scene> set the blend mode to ‘Lighter color’


STEP 10: Save your work in JPEG or PNG format. Result so far

STEP 11: In order to blend all the entourage to the main scene (raw render image), adjust the ‘color balance’ and ‘saturation’ settings. Open the last saved image and follow the settings.

STEP 12: When done, save your work in JPEG or PNG format. Result so far

STEP 13: Open your last saved image in Picasa. Follow the workflow for Picasa: (1) Orton mode> (2) Glow effect> (3) Color temperature> (4) Click ‘Save as’ and save your work in JPEG or PNG format.

POST-PRODUCTION SUMMARY

RAW RENDERED IMAGE VS POST-PROCESSED IMAGE

FINAL RENDER OUTPUT

CONTAINER HOUSE (.skp file)
To download click HERE

Comments

  1. Es super excelente, voy a intentar hacerlo, con un modelo distinto, muchas gracias

    ReplyDelete
  2. This is sick. Hoping for more settings tutorial

    ReplyDelete
  3. This is really a nice and informative, containing all information and also has a great impact on the new technology. Thanks for sharing it
    shipping container

    ReplyDelete


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