Pixelmator Pro is another good Photoshop alternative for Mac users. It uses advanced Mac technologies like Automator and Core Image to provide a superior image editing environment. It uses advanced Mac technologies like Automator and Core Image to provide a superior image editing environment. Plus, with the plethora of tools on offer in Photoshop, it can be quite tough to use. So, if you are looking for a Photoshop alternative that’s easier to use or a free Photoshop alternative for your Windows PC, Mac, Linux machine or even your Android or iOS device, well we have you covered.

• Scott, Rick; DeJean, David; Yegulalp, Serdar (November 20, 2006).. Retrieved June 8, 2016.

An Alpha Channel represents information added to a raster image to indicate where it is transparent. Beginning with version 5, SketchUp supports transparent PNG alpha channels. Many paint programs like Photoshop and Photoshop Elements also make it easy to add alpha channels. However, Windows Paint, and several other paint program do not have this capability. The Alpha Channel wizard (a SketchUp plug-in) makes it easy to add an alpha channel to an existing raster image (saved on disk), by indicating a color in the existing image which is supposed to be transparent. Examples Image without and with an alpha channel. RpTools Alpha Images RpTools has two features to help with images.

Save model as alpha image This feature will save an image of the SketchUp model with the background of the image saved as an a alpha channel. (SketchUp has this feature for the Mac version, but not for the Windows version.) Add Alpha Channel to existing image This is a wizard to convert a color, or range of colors in an existing image into an alpha channel and save it as a new.PNG file. Photoshop Tutorials There are several ways to remove unwanted background color in a paint program. More tutorials than the two linked below can be found by searching the internet for something like “Photoshop alpha transparency.” • Creating a simple alpha channel mask • Good, detailed steps on adding an alpha channel mask to remove unwanted background color. • Very nice video • Tutorial • Photoshop action – Free (This will not run in Photoshop Elements. Most downloads like this from the Photoshop Exchange are free. Other catagories like paterns, gradients, brushes, shapes and styles will work in Photoshop Elements.) • Filter Plug-ins are an automated method to adding transparency.

The filters work in programs that support Photoshop plug-ins (Photoshop Elements, Paintshop Pro, Corel Draw, Illustrator.) • for black and white transparency from Trimoon’s Blog – Free • with several adjustment levels from Power Retouche – Fee Tip: In Photoshop and Photoshop Elements do the original work at whatever resolution or desirable detail level for optimum results. To reduce the impact of importing overly large images into SketchUp, try out the File > Save for Web option to save the material for importing into SketchUp. Save for Web has a lot of options to optimize a new material file without altering the original image file. It is an easy way to minimize SketchUp material file size when super, high quality detail is not needed. And do not forget to crop the image to the smallest size needed. See Also • SUWiki tutorial article • SUWiki glossary article • tomsdesk 2.5D tutorial • thomthom – SketchUp plugin to export PNG image from SketchUp with an alpha channel. Free pdf converter for mac. • One of the tools in RpTools will export a PNG image of a SketchUp model scene with an alpha channel.