Bạn đang bị ràng buộc để có một số hình ảnh mà sẽ làm nền cho khung cảnh của bạn. Nếu không, chỉ cần lấy một cái gì đó từ Internet hiện nay. Tất cả những gì bạn đang sau là một cái nhìn khá thú vị của cửa sổ. Bạn sẽ cần một số hình ảnh mà sẽ làm cho | Chapter 3 6. Click and hold the left mouse button to move the grips. 7. Align a green dotted line along an edge going off to the right. 8. Align the second green line in the same plane but further away from the first 9. Do the same with the red lines to the left. 10. Click Done. ----------------------------------------------- 63 ----------------------------------------------- Composing the Scene What just happened SketchUp has now created a scene the tab in the top left of your screen which you can click whenever you want to come back to this view. You have now set up the blue red and green axes to correspond to the real world up down in out left right that you ve captured in the photograph. Having done this you can now happily draw away in the scene knowing that the model you create will always look right within the photograph. The depth of field focal length and eye height have all been taken care of. And that s a big deal because doing this by trial and error would have taken far more time and probably caused a lot of frustration You now know how to take just about any photograph and insert 3D content into it. Before the days of SketchUp this was only just possible but best left to the experts. Having learnt how to do it don t waste the talent. Use it as often as you can Using this technique you can seamlessly fit your models into pre-made backdrops and save bags of time. You will come across other ways to benefit from this in Chapter 4 Modeling for Visualization. Time for action - 3D drawing in a 2D photo You can now test your new camera setup by drawing a simple box into the scene. If this looks right in relation to the photo you know you ve done the photo match correctly. 1. Select the Pencil tool. 2. Click on the origin where the blue red and green axes meet . 3. Move up the blue axis and click. 4. Move along the green axis and click. 5. Move down the blue axis hold Shift and click on origin. 6. Click on origin again to complete the face as you can see in .
