photoshop

Retina display support on Mac OS X

Tuesday, October 22nd, 2013

Updates to both Tintii (2.8.1) and Urban Lightscape (1.3.1) are now available, bringing support for Apple’s high-resolution retina displays. The updates also include a number of compatibility improvements for older versions of Mac OS X.

Enhancements to Tintii and Urban Lightscape Photoshop plugins

Saturday, October 5th, 2013

Updates to both Tintii (version 2.8.0) and Urban Lightscape (version 1.3.0) are now available for download. These bring a number of enhancements that will be of particular interest to Photoshop users, including:

  • Support for 16 and 32 bits per channel images.
  • Better support for the active colour profile.
  • Restoration of the online help system on Mac OS X.

A number of additional tweaks to the user interface, such as higher resolution sliders, and improved default settings for all sliders, are now also included. These will be of benefit to users of the standalone apps as well as the Photoshop plugins.

Photoshop CS6 support: indii.org plugins work

Sunday, June 10th, 2012

Testing has been completed with both Tintii and Urban Lightscape under Adobe’s new Photoshop CS6. Good news: existing versions of both indii.org plugins work, with no updates required.

With that said, if you do find a problem, please report this to support@indii.org.

5 Tips to using the Urban Lightscape Photoshop plugin

Sunday, April 22nd, 2012

Leap ahead with these five quick tips for using the Urban Lightscape Photoshop plugin to correct exposure and balance lighting in your pictures.

Placing control points close together with respect to the Spread slider can cause stark contrast in lighting.

Figure 1: Placing control points close together relative to the Spread setting can cause stark contrast in lighting.

Tip #1: Know when to use the smoothness slider

Placing two or more control points close together with respect to the setting of the Spread slider can trigger a sharp contrast in light and dark (see Figure 1). Increase the Smoothness slider to fix the problem while keeping the overall effect faithful to your intent.

Tip #2: Sharpen after, not before

Urban Lightscape relies on edge information to propagate and interpolate adjustments between control points. The purpose of sharpening is to exaggerate edges, but this interferes with Urban Lightscape too. The end result is more grain than you may like, so sharpen after using the plugin, rather than before, if this isn’t what you want.

Tip #3: Save contrast adjustments for later

Contrast adjustment is what Urban Lightscape achieves, but spatially rather than pixel-by-pixel. Increasing the contrast of an image may darken areas that you will later lighten with Urban Lightscape, amplifying noise. Consider deferring your final contrast adjustments until after you have used Urban Lightscape to get the spatial balance right.

Tip #4: Avoid JPEG images if you can

JPEG compression artifacts that are imperceptible to the human eye can still mislead the edge detection used by Urban Lightscape, and degrade its output. Within Photoshop, prefer using the RAW files produced by your camera, if available, rather than compressed JPEG images.

Tip #5: Use the sRGB colour space

The Urban Lightscape Photoshop plugin uses the sRGB colour space internally. Elsewhere in Photoshop, you may be using a different colour space, such as Adobe RGB. This mismatch will degrade the faithfulness of the preview image in Urban Lightscape, usually producing noticeably dull colours. To ensure that you are using sRGB, use the Edit > Convert to Profile menu item in Photoshop, and select "sRGB IEC61966-2.1".

Following the above tips should get you well on the way to getting the most out of the Urban Lightscape Photoshop plugin!


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