Reference Manual Volume 5: Compositing, Game Engine, User Preferences, Advanced, Troubleshooting, Glossary, and About This Manual Turned to PDF by: Joking Reaper This document is a transformation from the Blender Reference Manual presented in the official page of Blender (https://www.blender.org/ manual/), as it was presented on the date July 07, 2016. There is no gua- rantee with this book. It can be incomplete, outdated, or with errors. It is the responsibility of the reader the use he gives to this book, and it’s contents. The webpage from which this book was made from is still incomplete at the time, so there are many subjects in the manual that are listed, but missing or incomplete. It is also responsibility of the reader to investigate on it’s own wether if this subjects have already been completed, modified, or eliminated. However, some of this subjects have been found (partially) in some other webpages, and added to this manual, and you will notice because of a change in the format of the pages. As this ¸completions.are not from the official manual, they can be outdated, incomplete, or wrong. Please take caution. The present version of Blender is 2.77, however, there is no guarantee that the contents of this book are updated to this version. This Manual has been divided into 5 volumes, due to it’s size and weight. Volume 1: Getting Started, Interface, and Editors Volume 2: Data System, and Modeling Volume 3: Painting and Sculpting, Rigging, Animation, and Physics Volume 4: Render Volume 5: Compositing, Game Engine, User Preferences, Advanced, Troubleshooting, Glossary, and About This Manual Compositing — Blender Reference Manual https://www.blender.org/manual/compositing/inde... Docs »Compositing Compositing Introduction Getting Started Options Examples Image Size Saving your Composite Image Types of Nodes Input Nodes Output Nodes Color Nodes Converter Nodes Filter Nodes Vector Nodes Matte Nodes Distort Nodes Node Groups Layout Nodes 1 of 1 07/08/2016 04:30 PM Introduction — Blender Reference Manual https://www.blender.org/manual/compositing/intr... Docs »Compositing »Introduction Introduction Compositing Nodes allow you to assemble and enhance an image (or movie). Using composition nodes, you can glue two pieces of footage together and colorize the whole sequence all at once. You can enhance the colors of a single image or an entire movie clip in a static manner or in a dynamic way that changes over time (as the clip progresses). In this way, you use composition nodes to both assemble video clips together and enhance them. Note Term: Image The term Image may refer to a single picture, a picture in a numbered sequence of images, or a frame of a movie clip. The Compositor processes one image at a time, no matter what kind of input you provide. An example of Composition. To process your image, you use nodes to import the image into Blender, change it, optionally merge it 1 of 4 with other images, and finally, save it. 07/08/2016 04:30 PM IntroducTthioen e —xa mBlpelned teor t hRee freigrhent csheo Mwasn tuhael simplest node setup; hatnt pinsp:/u/wt nwowd.eb lleinnkdse trh.oer cga/mmaenrau avlie/cwo mtop aonsiting/intr... output node so it can be saved. Getting Started Access the Node Editor and enable Composite Nodes by clicking on the Image icon. To activate nodes for compositing, click the Use Nodes checkbox (see Options). Note After clicking Use Nodes the Compositor is enabled, however, it can also be disabled in the Post Processing Panel. You now have your first node setup, from here you can add and connect many types of Compositing Nodes, in a sort of map layout, to your heart’s content (or physical memory constraints, whichever comes first). Note Nodes and node concepts are explained in more detail in the Node Editor. Options Compositing Specific Options. Use Nodes Enables basic compositing set up with a Render Layer Node and a Composite Node. Backdrop Enables the use of a backdrop using a Viewer Node. Backdrop Channels See below. Auto Render Re-render and composite changed layer when edits to the 3D scene are made. Backdrop Backdrop Channels Set the image to be displayed with Color, Color and Alpha, or just Alpha. Zoom 2 of 4 07/08/2016 04:30 PM Sets how big the backdrop image is. Offset Introduction — Blender Reference Manual https://www.blender.org/manual/compositing/intr... Change the screen space position of the backdrop, or click the Move button, or shortcut Alt-MMB to manually move it. Fit Automatically scales the backdrop to fit the size of the node editor. Performance Render Backdrop Options. Sets the quality when doing the final render. Edit Sets the quality when making edits. Chunk Size Max size of a title (smaller values give a better distribution of multiple threads, but more overhead). OpenCL Performance Settings. This allows the use of an OpenCL platform to aid in rendering. Generally, this should be enabled unless your hardware does not have good OpenCL support. Buffer Groups Enables buffering of group nodes to increase the speed at the cost of more memory. Two Pass Use two pass execution during editing: first calculate fast nodes, the second pass calculate all nodes. Viewer Border This allows to set an area of interest for the backdrop and preview. The border is started by Ctrl-B and finished by selection of a rectangular area. Ctrl-Alt-B discards the border back to a full preview. This is only a preview option, final compositing during a render ignores this border. Highlight Highlights the nodes that are being calculated. Examples You can do just about anything with images using nodes. Raw footage from a foreground actor in front of a blue screen, or a rendered object doing something, can be layered on top of a background. Composite both together, and you have composited footage. You can change the mood of an image: To make an image ‘feel’ colder, a blue tinge is added. 3 of 4 07/08/2016 04:30 PM To convey a flashback or memory, the image may be softened. IntroductionTo — c oBnlveenyd hera tRreedfe arnedn cferu Mstarantuioanl , add a red tinge or ehnthtapnsc:/e/w thwew r.ebdle.nder.org/manual/compositing/intr... A startling event may be sharpened and contrast-enhanced. A happy feeling - you guessed it - add yellow (equal parts red and green, no blue) for bright and sunny. Dust and airborne dirt are often added as a cloud texture over the image to give a little more realism. Image Size It is recommended to pay attention to image resolution and color depth when mixing and matching images. Aliasing (rough edges), color flatness, or distorted images can all be traced to mixing inappropriate resolutions and color depths. The compositor can mix images with any size, and will only perform operations on pixels where images have an overlap. When nodes receive inputs with differently sized Images, these rules apply: The first/top Image input socket defines the output size. The composite is centered by default, unless a translation has been assigned to a buffer using a Translate node. So each node in a composite can operate on different sized images as defined by its inputs. Only the Composite output node has a fixed size, as defined by the Scene buttons (Format Panel). The Viewer node always shows the size from its input, but when not linked (or linked to a value) it shows a small 320×256 pixel image. Saving your Composite Image The Render button renders a single frame or image. Save your image using File ‣ Save Image or F3 . The image will be saved using the image format settings on the Render panel. To save a sequence of images, for example, if you input a movie clip or used a Time node with each frame in its own file, use the Animation button and its settings. If you might want to later overlay them, be sure to use an image format that supports an Alpha channel (such as PNG ). If you might want to later arrange them front to back or create a depth of field effect, use a format that supports a Z-depth channel (such as EXR ). To save a composition as a movie clip (all frames in a single file), use an AVI or Quicktime format, and use the Animation button and its settings. 4 of 4 07/08/2016 04:30 PM Types of Nodes — Blender Reference Manual https://www.blender.org/manual/compositing/type... Docs »Compositing »Types of Nodes Types of Nodes Input Nodes Output Nodes Color Nodes Converter Nodes Filter Nodes Vector Nodes Matte Nodes Distort Nodes Node Groups Layout Nodes 1 of 1 07/08/2016 04:30 PM Input Nodes — Blender Reference Manual https://www.blender.org/manual/compositing/type... Docs »Compositing »Types of Nodes »Input Nodes Input Nodes Input nodes produce information from some source. For instance, an input could be: Taken directly from the active camera in a selected scene, from a JPG , PNG , etc. file as a static picture, a movie clip (such as an image sequence or video), or just a color or value. These nodes generate the information that feeds other nodes. As such, they have no input- connectors; only outputs. Bokeh Image Image Node Mask Movie Clip Render Layers Node RGB Node Texture Node Time Node Track Position Value Node 1 of 1 07/08/2016 04:30 PM Bokeh Image — Blender Reference Manual https://www.blender.org/manual/compositing/type... Docs »Compositing »Types of Nodes »Input Nodes »Bokeh Image Bokeh Image The Bokeh Image node generates a special input image for use with the Bokeh Blur filter node. The Bokeh Image node is designed to create a reference image which simulates optical parameters such as aperture shape and lens distortions which have important impacts on bokeh in real cameras. Inputs This node has no input sockets. Properties Bokeh Image Node. The first three settings simulate the aperture of the camera. Flaps Sets an integer number of blades for the cameras iris diaphragm. Angle Gives these blades an angular offset relative to the image plane Rounding Sets the curvature of the blades with (0 to 1) from straight to bringing them to a perfect circle. Catadioptric Provides a type of distortion found in mirror lenses and some telescopes. This can be useful to produce a visual complex bokeh. Lens Shift Introduces chromatic aberration into the blur such as would be caused by a tilt-shift lens. Outputs Image The generated bokeh image. Example In the example below the Bokeh Image is used to define the shape of the bokeh for the Bokeh Blur 1 of 2 node. 07/08/2016 04:30 PM