Sunday, September 8, 2013

[photoshop-beginners] Re: "Night background", daylight subject

A better way is with adjustment layers.
Since there is less light at night, contrast is less and the colour sensing cones in our eyes react less. The value sensing rods however are more sensitive to blue light, so colours seem skewed to blue.
1- add an adjustment layer for contrast and brightness and lower the contrast and brightness. If there are point sources of light, like street lamps or interior lights shining out of windows, paint those locations black on the layer mask of the adjustment layer to limit or remove the effect.
2- add an adjustment layer for colour balance and make the blue more dominant. Again, paint out incandescent light sources on the mask.
3- for finer control, you might add another adjustment layer for hue and saturation and reduce the saturation.
Adjustment layers are always adjustable.
For the focus effect, make a duplicate layer from the original above the original layer and blur it. Than add a layer mask and paint out the areas where you wish to retain focus.
Your adjustment layers go above that.
God bless you always, all ways,

--- In photoshop-beginners@yahoogroups.com, Clay Swatzell <photoguyinmo@...> wrote:
> Open your image in Photoshop. Click on the black and white icon in the
> layers panel (create a new fill or adjustment layer). Select 'solid color'
> and then select a 'dark blue' color. Click ok. The blue layer will now be
> visible. Change the blend mode to "multiply". Adjust the layer opacity to
> your liking making sure it looks natural. If you want to adjust objects to
> appear brighter you will need to have a layer mask on the blue layer. White
> is visible black hides. Use a soft black brush (set opacity of the brush to
> a fairly low level say 10% or so) and paint on the layer mask.
> Clay Swatzell

> From: photoshop-beginners@yahoogroups.com
> [mailto:photoshop-beginners@yahoogroups.com] On Behalf Of kjb_1611
> Sent: Wednesday, September 04, 2013 10:38 AM
> To: photoshop-beginners@yahoogroups.com
> Subject: [photoshop-beginners] "Night background", daylight subject
> I am fairly new to Photoshop, probably have enough knowledge to graduate
> from Newbie to Beginner. I still don't understand things like masks and
> curves and I believe that's what I need now. I have a normal picture taken
> in the middle of the day and I want to have the whole photo look light night
> or twilight, but I want my subject to stay bright and in focus, I may even
> add a bokeh or depth of field blur to the background also, not sure, have to
> try each way. However, I have no clue how to pull this off. As some
> background, I was watching an old movie called South Pacific. They used the
> techniques of filming in broad daylight through some sort of filter so the
> whole thing looked like night, sort of a transparent blue/black. Then I saw
> a photo that was taken this way:
> http://i1294.photobucket.com/albums/b613/1611kjb/LeerJetSimulator_zpsc07f519
> 7.jpg
> The photo was apparently done in a studio fashion with backlighting, front
> lighting, and either the lights down low or they may have used Photoshop
> themselves. In any event, I am trying to achieve the effects in this photo.
> How do I do that? I assume it's going to have some king of layers, the
> layers will have to be adjusted for the colors and then merged back together
> and I assume some kind of masking and/or curves to get the various types of
> lighting and shading as in the picture. I don't even know if there is a name
> for this process, but it is fairly common. Is there a tutorial or something
> that would explain how to do this? If not, what techniques do I have to
> learn to acheive this result?


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