Exercise 11.7

Photoshop Post Processing - Exterior Rendering


In this exercise, you will work each channel of the image you rendered in Exercise 11.5. You will also combine other imagery from the web or our course website to create a representation of your design. The strategies employed in this exercise will vary based on individual imagery and I will demonstrate many different strategies for post processing.

Part 1: Opening the images in Photoshop & Setting up the files

  • With Photoshop open, use File>Open to open each of your channels. You should open them in separate documents (winodws) as you will need them later.
  • Beginning with the RGB color image, navigate to File>Place and select your outline image from Exercise 11.5. This image will come in as a new layer (on top of your RGB color image on the “Background” layer).
  • Switch the layer blending mode to “Multiply” or “Overlay” and adjust the transparency to eye. You can repeat this with the wireframe image.
    • Note: You should preform this step, but if you don’t like the results, you can turn off the layer before saving the final image.

Part 2: Adding the Background and Collage Elements.

  • If the background did not render with your RGB Color image, use the File>Place command to insert the background image that you used for your HDRI (Ideally use the .jpg image of your HDRI rather than the .hdr file). Make sure that the new layer you create is below the RGB color image in the layer stack.
  • You may wish to add a layer mask to this layer and fade out the top portion of the image. I will demonstrate this in lecture.
  • Find images of people/animals/etc. to inhabit the space. You can search the course website repository (Collage Elements section under the Resources tab) for images or you can find your own.
  • Place these images in your rendering and scale them appropriately. Remember to adjust for your horizon line and make the people properly sized for the perspective.

Part 3: Adding landscape

  • Find an image that approximates the landscape in your rendering (This could be a grassy field, rocky cliff, etc.) Place this image in your drawing where the landscape should be.
  • Use the Polygonal marquee (or create a curve in the curve window and draw with the pen tool) and delete parts of the image that don’t fit with your image.
  • Use the clone stamp tool with an appropriate brush (if grass, use the grass brush) to make your texture overlap your building. This will add realism to your rendering.
  • Add additional trees, shrubs, bushes, etc. where appropriate.

Part 4: Finesse & Final Image

  • I will demonstrate a number of optional techniques in lecture. You can perform these by following tutorials mentioned.
  • Use File>Save As to save your final work. Post this work to the course website. You should comment on 3 other students’ work.


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