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natron [2015/07/06 14:46] slackermedia |
natron [2021/06/03 19:48] (current) |
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| - | [[{arrowp.png|border:0;background:none;width:0;display:inline-block;position:absolute;top:0;left:0;}muse|]] | ||
| - | [[{arrown.png|border:0;background:none;width:0;display:inline-block;position:absolute;top:0;margin-left:2.5em;}obs|]] | ||
| ====== Natron ====== | ====== Natron ====== | ||
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| The install can happen in two different ways: | The install can happen in two different ways: | ||
| - | * Run the installer as a normal user and install to a location in your home directory (for instance, ''~/bin/natron'') | + | * Run the installer as a normal user and install to a location in your home directory (somewhere in ''~/bin'' is customary; for instance, ''~/bin/natron'') |
| - | * Run the installer from a terminal using the ''kdesu'' command and install to a systemwide location, (such as ''/opt'') | + | * Run the installer from a terminal using the ''kdesu'' command and install to a systemwide location, (''/opt'' is customary) |
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| Slightly more advanced is the ubiquitous green screen effect. For this, you need sample footage. Sample footage abounds online, but much of what you find online is heavily compressed, which by definition discards information. For a clean green screen, the //less// compressed your footage, the better. | Slightly more advanced is the ubiquitous green screen effect. For this, you need sample footage. Sample footage abounds online, but much of what you find online is heavily compressed, which by definition discards information. For a clean green screen, the //less// compressed your footage, the better. | ||
| - | Download sample footage from [[http://blah|an online mirror]] | + | The Internet has quite a lot of sample greenscreen footage. If you cannot find any that suits, download sample footage from [[https://drive.google.com/open?id=0B_nYaI3DodmMdmZWSE9sbTRQbGs|this online mirror]]. |
| - Add a greenscreen shot with a **Read** node (''r'' on your keyboard, or a right-click anywhere in the **Node Graph** window). | - Add a greenscreen shot with a **Read** node (''r'' on your keyboard, or a right-click anywhere in the **Node Graph** window). | ||
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| [{{ natron_green.jpg?666 | Composites can get complex, and when they aren't frustrating, they're a lot of fun. }}] | [{{ natron_green.jpg?666 | Composites can get complex, and when they aren't frustrating, they're a lot of fun. }}] | ||
| + | |||
| + | Were this an actual deliverable shot, you would apply colour correction and probably an additional transform to position the subject, and so on. There are plenty of effects and nodes available to help a composite reach its best possible quality, and the best way to learn them is to experiment. | ||
| The important lesson here is the segmentation technique; rather than hooking all nodes into a central **Merge** node, the script keeps individual effects in their own subroutines, which are then finally connected to a **Merge** just above the final viewer. That's not always how a composite will go, but it's important to keep in mind that few scripts are just three or four nodes, and fewer still are linear. | The important lesson here is the segmentation technique; rather than hooking all nodes into a central **Merge** node, the script keeps individual effects in their own subroutines, which are then finally connected to a **Merge** just above the final viewer. That's not always how a composite will go, but it's important to keep in mind that few scripts are just three or four nodes, and fewer still are linear. | ||
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| <WRAP tip> | <WRAP tip> | ||
| **See Also** \\ | **See Also** \\ | ||
| - | Blender \\ | + | [[blender|Blender]] \\ |
| - | Synfig | + | [[synfig|Synfig]] |
| + | </WRAP> | ||
| + | |||
| + | <WRAP centeralign> | ||
| + | <wrap fa>[[mypaint|R]]</wrap> <wrap fa>[[start|S]]</wrap> <wrap fa>[[non|Q]]</wrap> | ||
| </WRAP> | </WRAP> | ||
| - | [[{arrown.png|border:0;background:none;width:0;display:inline-block;float:right;}obs|]][[{arrowp.png|border:0;background:none;width:0;float:right;}muse|]] | ||