- SketchUp 2014 for Architectural Visualization（Second Edition）
- Thomas Bleicher Robin de Jongh
- 667字
- 2021-07-16 11:47:35
Setting up the camera to challenge and impress
Take a look at the following two examples. Which of the two do you find more stimulating?
The SketchUp camera view can be set up to simulate the human eye, a long-range camera, or even a fisheye lens. To you and me, this means that we get great flexibility in the effects we can achieve when composing our scene. The two images here demonstrate that the same model need not convey the same impression. Here, the first image is rather mundane and ordinary, but the second one is aggressive and challenging. When setting up the view, experiment with the field of view and different angles until you have the striking image that will wow your clients.
Alternatively, depending on what you're trying to convey, you may like to go safe and conventional. The choice is yours.
Changing the field of view
Carry out the following steps to change the field of view:
- Navigate to Camera | Zoom or click on the Zoom icon (represented by a magnifying glass).
- Hold down Shift and move the mouse up or down to increase or decrease the field of view. Notice how the background changes in relation to the foreground.
- Notice that the Value Control Box (bottom right) changes to show the value of the current field of view in degrees.
- Now, try typing in some values and hit Enter each time.
The beauty of SketchUp is that the view changes in real time letting you experiment to your heart's content. The field of view isn't the only tool you can use to break away from the mundane!
Think like a pigeon
Have you ever found yourself wondering what the world looks like to a pigeon walking around in the street? No? Well, I must admit neither have I until now, but let me assure you that the pigeon's view on the world is a very interesting one! Take a look at this sequence of three images, again starting with a standard SketchUp view of our model and then how a pigeon would see it on the ground and in flight.
Which of these gives the best impression of height?
This just demonstrates how easy it is to surprise people by showing them buildings from a perspective they have never considered before. People want to be challenged in this way. Experimenting a little with viewing angles will pay off in the end with a gripping rather than a mundane image.
Of course, sometimes they just want to see how a building will look like to them. It all depends on knowing the audience and purpose of the visualization.
Here are some other things to try:
- Banking
- Tilting (hold Ctrl (for Windows) or Option (for Mac) while using the Orbit tool)
- Flying right in close on detail (usually, with the loss of feathers)
- Top-down views
- Panoramas
The perspective projection mimics the human visual perception, where far away objects look smaller and objects close up look larger. This is our natural experience, and we can easily relate to these images.
However, for architectural presentation, we also use parallel projection. This method of projection preserves the aspect ratio of vertical and horizontal lines and so, it is valuable to estimate the proportions of a building fa?ade or other details.
Turning perspective view off is necessary for modeling when you need to see orthographic views (top, left, front, and so on). It's also good when you want to output these views to create 2D drawings for construction documentation. If you are used to 3D CAD drawing, you may even prefer this look over perspective views.
To change between the projection modes, navigate to Camera | Parallel Projection or Camera | Perspective. By navigating to Camera | Standard Views..., you can set up presets for orthographic views. If you are going to refer to a specific view frequently during the modeling, you can also save all the settings in a scene tab.
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