Bạn sẽ thấy rằng Photoshop là một nơi hợp lý để bắt đầu học tập về và sử dụng 3D trong thiết kế của bạn, không chỉ bởi vì các quy trình công việc Photoshop Tương tác dựng hình là dựng hình xảy ra trong các hoạt động nơi mà các nút chuột xuống ở góc trên bên phải của các ưu đãi 3D. | 3D in Photoshop FIG Shadow cast on the ground plane of the scene. This functions as an invisible shadow catcher plane for your object. . Ground Shadows and Snapping Object to Ground Plane Ground shadows can be created by turning on the option in the 3D menu or in the fly-out of the 3D Scene panel. This option will generate shadows on the ground plane of your scene where the plane is always invisible. This serves as an invisible shadow catcher for your 3D layer Figure . Often your object may be too far from your ground plane for the ground plane to catch the shadow. If this occurs you can use the Snap the Object to Ground Plane command from the 3D menu which will snap the closest point of your 3D object to the ground plane. Note Remember that in order to see shadows you have to be in Ray Trace Draft or Final mode. 50 Lights Shadows and Final Rendering . Colored Transparent Shadows In the image below we have a scene with a plane on the ground which will catch the shadows an opaque window frame an opaque glass object and a point light placed behind the window indicated by the white Light overlay widget . The shadow that is cast in this configuration is a completely black shadow If we set the window s Opacity to 50 we get the following image 51 3D in Photoshop As you can see a semi-transparent shadow is cast and the window is semitransparent. Now let s try to get some color in that shadow. If we set the diffuse color of the glass object to red 255 0 0 . We get the following image Note that the shadow on the ground is tinted red. But why isn t the glass itself red This is because the light is behind the glass pane so when the Ray Tracer does its lighting calculation it gets back black. In this particular scenario if we want the glass pane to also be red we must set it to red using the self-illumination parameter. Setting the Self-Illumination to red we get the following image .
