By Simon Schurr


Photoshop plugins load into Photoshop's Filter menu when Photoshop launches. They add all sorts of extra functions to Photoshop. In the old days Photoshop plugins were just a bunch of weird effects.. Today, however, some very sophisticated plugins have been produced that aim at complicated image retouching that would otherwise have been impossible or very time consuming in Photoshop. More recent versions of Photoshop has been inspired by some old plugins and does similar things, like lens correction and proper black-white conversion.

But how does one install plugins into Photoshop, you may ask? Adobe Photoshop installs with a folder called Plug-Ins inside the Photoshop folder. All you have to do is place the plugins inside the Plug-Ins folder. Next time you launch Photoshop, the menu Filters will have your new plugins as an entry. If you had Photoshop running, when you installed the new plugins, you will have to shut and relaunch Photoshop to see the new plugins. The plugins can in fact be installed in any folder you want, not just Photoshop's Plug-Ins folder. Follow these guidelines to install plugins in any folder you like:

1. First make sure you have an alternative plugins folder. Create it where ever you like and call it what you will.. 2. Start Photoshop. 3. Open the menu Edit. At the bottom you will find Preferences; go there. This opens the Preferences sub menu. 4. Plug-Ins might be called "Plug-Ins and Scratch Disk" depending on your Photoshop version. Go there. 5. Check Additional Plug-Ins Folder to activate it. 6. Now locate your alternative plugins folder by clicking the Browse button.

That's all there is to it! You can now store all your plugins in this alternative plugins folder. Exit the preferences and relaunch Photoshop. The plugins in your alternative location will be listed at the bottom of the Filter menu next time you run Photoshop.

Plugins generally fall into two categories: 1. Plugins for photo retouching. 2. Plugins that add effects. Retouching plugins don't add anything new to the picture, but rather manipulate what is already there. Effects plugins on the other hand add, well, effects to the photograph. Retouching examples could be sharpening, exposure or saturation. Lens flare, bokeh or raster would be examples of effects. Of course there are cross overs. Is lens correction a retouch or an effect, for example? It is a retouch if you correct barreling or pincushion, but if you make a regular image look like a fish eye photo, it is an effect.

Third party plugin were made possible in 1991 when Photoshop introduced the possibility in Photoshop 2. In 1994 Joe Ternasky released Filter Factory for writing third party plugins. Three years after Filter Factory appeared, Alex Hunter released Filter Meister as an improvement over Filter Factory. Many of today's plugins are written in Filter Meister. In 2007 a novel approach to plugin development was released as Filter Forge. Filter Forge plugins require Filter Forge to run and they are not stand alone. Currently Filter Meister plugins only support 32bit Photoshop. But Alex Hunter says 64 bit support will come some time in 2013. Filter Meister is only available for the Windows platform.




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