Friday, February 10th, 2012

Ho-Hum to Wow! in Gimp

Some time ago I wrote a blog post http://projectwoman.com/2009/03/photoshop-color-that-packs-a-punch.html which involved using the LAB color space to adjust an image. In the interests of those of you who use Gimp, this blog post is a revisit on the topic of dragging color out of lackluster images this time using Gimp.

One of the hidden secrets of Gimp is that it supports the LAB color space so you can get access to the L, a and b channels in an image. This adjustment therefore produces similar results to those you can achieve with my earlier post using Photoshop it’s just that the process in Gimp is a little different.

Start out with an image that could use a color boost. This image of a statue over a door in Paris is very monochromatic so it’s a great contender for this process.

Start by making sure your Layers panel is visible – if not, choose Window > Dockable Dialogs > Layers (or Control + L) to display it. Right click the Background layer and choose Duplicate Layer. Select this new top layer.

To convert the image to LAB color, choose Colors > Components > Decompose. From the color model dropdown list, select LAB. You will want to decompose to layers so select Decompose To Layers and click Ok.

You’ll have a new image on the screen with three layers. Right now you’ll be looking at the L channel and below it in the Layers palette are the A and B channels.

Disable visibility on the L layer and click the A layer to select it. You should have a dark murky almost negative looking image on this layer. Choose Colors > Curves and adjust the curves by dragging the top right and bottom left points on the curve one, two or three boxes inwards on the grid. You can read off the values so pairs of values like (30,0) and (225,255) or (64,0) and (191,255) are good.

You need to make sure the line goes through the middle of the grid, or you will get an unwanted color cast in the final image. This A channel controls the Magenta and Green in the image and you’re boosting it now to very high levels. Click Ok.

Repeat this by disabling the visibility on the A channel and do the same on the B channel. This is the Yellow/Blue channel. When you’re done, turn back on the visibility of all three channels. You should see no difference in the image at this stage.

If desired, you can adjust the contrast in the L channel using curves – this will give you some additional boost in contrast in the final image. The L channel is the luminosity channel and it has no color in it at all so you can create a different shape curve here and there is no requirement for the line to go through the middle of the grid.

When you’re done, choose Colors > Components > Recompose. The layers will be recomposed back into the original image.

To see it, you will need to close the LAB version and return to your original image. Because you’re working on a duplicate layer, you can now blend the top layer by selecting a different blend mode such as Overlay for the top layer and then adjust down the Opacity to suit.

Labels: boost color, color fix, download, free, gimp, increase contrast, LAB, Photoshop, pop

Categories:Uncategorized

posted by Helen Bradley @ 9:00 amNo Comments links to this post

Wednesday, February 8th, 2012

More Flexible Lightroom to Photoshop editing

If you work in Lightroom, at some stage you’ll probably want to take an image to Photoshop for some additional processing. How you send it to Photoshop will have an impact on the options available to you. One option in Lightroom is to take an image to Photoshop as a Smart Object and that has some advantages. Here’s how to do it and why you might consider using this feature.

Open as a Smart Object

In Lightroom, when you’ve finished processing the image and you’re ready to head to Photoshop, right click the image and choose Edit in > Open as Smart Object in Photoshop (this is available if you’re using Photoshop CS5, CS4 or CS3 – Smart Objects weren’t available in earlier versions of Photoshop).

Photoshop will open with your image open on the screen. If you look at the Layers palette you’ll see the layer has an icon in the bottom right corner of its thumbnail. This tells you the image is a Smart Object.

If you want to make further adjustments to the image you don’t have to start over. Instead, double click the image thumbnail in the Layers palette and the image will open in Adobe Camera RAW (ACR). The processing options in ACR are the same as you have in Lightroom so you can change how the image is processed.

When you are done making changes, click Ok. The changes to the image will appear in the Smart Object back in Photoshop.

Double processing

The obvious advantage of opening an image in Photoshop as a Smart Object is being able to make changes to the image even after it has been brought into Photoshop and even after you have made changes to it – such as adding an Adjustment Layer, for example.

In addition you can use this feature to process an image in more than one way and to blend the two versions together. To do this, right click on the smart object layer and choose New Smart Object via Copy. This creates a copy of the smart object layer.

Double click on the thumbnail of this second Smart Object to open it in ACR and now process it a second time to bring out detail in another part of the image. In this case I adjusted to get a better sky. When you’re done click Ok to return to Photoshop.

The changes have been applied to only the second copy of the image and not the first so there is a different version of the image in each layer.

To blend the two layers together add a Layer Mask to the topmost layer – to do this, select the layer and click the Add Layer Mask icon at the foot of the Layers palette. Target the mask by clicking its thumbnail in the Layers palette and paint on the image with black to bring back detail in the layer below.

If any of the layers still needs fine tuning, return it to ACR to fix it.

Because the two versions of the image are on separate layers you can blend those two layers together using a blend mode or adjust the Opacity of the top layer.

When you are done, click Save to save the file, close it and return to Lightroom. Your edited version of the image will be saved in the same location as the original image and will appear in Lightroom too.

If you want to edit this image again at a later date and have the Smart Objects still in place, when you right click the image and choose Edit In > Adobe Photoshop CS5 (or CS4 or CS3), choose Edit Original.

Taking your images to Photoshop as Smart Objects gives you additional tools for working with your images in Photoshop – it’s a handy technique to add to your Lightroom/Photoshop toolkit.

Labels: Layers, Lightroom, Photoshop, round trip to Photoshop, Smart Object

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posted by Helen Bradley @ 9:00 amNo Comments links to this post

Tuesday, February 7th, 2012

Create a collage in Gimp

One task I perform regularly in Photoshop and Lightroom is to assemble multiple images on a single page for printing. I love displaying my photos, for example, as triptychs –which are three side by side images.

I’ve posted before on the process in Lightroom here (http://projectwoman.com/2009/07/creating-a-triptych-in-lightroom.html) and here (http://projectwoman.com/2009/10/how-to-select-and-compose-a-triptych-in-lightroom.html)and today I’ll show you how to do this in Gimp using a set of templates I have created for you and that you can download free.

These templates work with both Gimp and Photoshop and you can find them here: http://projectwoman.com/articles/45PhotoshopTemplates.html

Unzip the files and open the one to use in Gimp along with the images that you want to use. I’m using the Triptych.psd file.

Start by viewing the template you are using and, in the Layers palette select and discard the top three layers which include the instructions for using the template in Gimp and in Photoshop and Photoshop Elements.

Select the first of your images, choose Select > All and then select > Edit > Copy to copy the image to the clipboard.

In the template click on the layer marked A and choose Edit > Paste as > New Layer. This pastes the image from the clipboard into the layer immediately above layer A.

Click the Move tool (set it to Layer) and drag the image over the top of the shape on the right. If desired, click the Scale tool and scale the image to size it larger than the black rectangle.

Move the portion of the image that you’re most interested in seeing over the shape.

Now, to crop the image to size, click layer A, right click and choose Alpha to Selection.

Now select the Clipboard layer that you’ve been working on, choose Select > Invert and press Delete.

The image will be clipped to size using the template shape as a guide to the size. Choose Select > None before continuing.

Repeat this process for layers B and C – select and copy the image to use, click the layer you’re working with (B or C) and choose Edit > Paste As > New Layer.

Move the image into position and scale it if desired. When scaling, making sure to lock the width and height so that the image is scaled in proportion.

Right click the layer you’re working with – Layer B (or C) and choose Alpha To Selection. Click your newest clipboard layer and choose Select > Invert and then Delete.

When you are done you should have all 3 images in position.

This image has a background layer behind the pictures which currently shows white. If you prefer to add a solid color behind everything, delete this layer and add a new layer filled with your choice of color. Here I’ve added a new dark grey filled layer.

You can finish off the design with some text or simply save the resulting image.

These storyboard templates are a good place to start with your picture layouts. You can find similar templates elsewhere on the web so start with a search for “Free Photoshop Clipping Mask Templates” or “Free Storyboard templates”

Labels: Collage, download, free, gimp, Photoshop, template, triptych

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posted by Helen Bradley @ 9:00 amNo Comments links to this post

Monday, February 6th, 2012

Cool Suffolk Sheep

On the weekend I had the chance to photograph some suffolk sheep, the lambs were so cute and the ewes too. Click here for the picture gallery.

Labels: cross bred, hampshire downs, lambs, suffolk sheep

Categories:Uncategorized

posted by Helen Bradley @ 2:25 pmNo Comments links to this post

Saturday, February 4th, 2012

Slideshow Titles with Identity Plates in Lightroom

Identity plates are one of the best kept secrets in Lightroom. There are lots of ways that you can use Identity Plates in Lightroom not only to customize the interface as I discussed in this post: http://projectwoman.com/2011/11/personalize-lightroom-with-identity-plates.html but also customize your print, web and slideshow applications.

In this post, I’ll show you how to create and use identity plates to create custom title and ending slides in the Lightroom Slideshow module.

Create a slideshow

For a slideshow, it is a good idea to start by placing all the images in a collection – then select the collection and switch to the Slideshow module.

From the toolbar choose All Filmstrip Photos to set up the slideshow with all those images.

From the Template Browser choose the Default template. Chose a background color by opening the Backdrop Panel and choose Background Color and sample a color to use.

You can add a background color with or without a color wash. You can also set a background image – for example use an image from your slideshow with a reduced opacity as the background.

Here I have settled for a plain dark gray background.

From the Layout panel select Show Guides and make sure Link All is selected and then drag in on the guides so you have some space around the images.

By unlinking the guides, you can set one guide to be smaller than the others – I like to make the top margin smaller than the others to push the images higher on the screen.

Use your Identity Plate

The first place you can use an identity plate is in the Overlays panel. This Identity Plate will sit on each slide and it will show as the slideshow plays. For this, I like to use a plain text identity plate so make sure Identity Plate is checked and then click the down-pointing arrow and select an identity plate that you’ve already created.

Alternatively, click Edit and type identity plate information into the box and then select it and select a font, font size and color. When you’ve done this, click the Custom button, click Save as and give your identity plate a name.

It doesn’t matter what color you have selected for the Identity Plate text because you can select the Override Color checkbox and select an alternative color for your text identity plate. Adjust the scale to a large value so that you can see the identity plate text on the screen, drag it into position and then fine-tune the scale and opacity to suit.

Identity Plate for a Title

Another place you can use an Identity Plate is the Titles panel. Here you can add an Intro and Ending screen to your slideshow. While you could use a simple identity plate configured for the purpose, you can also use an image.

Here I have taken one of the images from the slideshow into Photoshop by right clicking it and choose Edit in Photoshop.

I cropped a portion of the image and used it to create an interesting starting slide for the slideshow. Here I added some text to the image to introduce the slide show. Where possible, it’s a good idea to leave as much of the image transparent as possible so you keep the file size small.

Size the image to approximate the size of the slideshow window – I used 1408 x 800 pixels.

Save the image in Photoshop as a PNG file so it retains its transparency. Later you can control the background color for the title slide by selecting a color from the Intro screen color selector rather than having the color already in the Identity Plate image.

Now, back in Lightroom, in the Title panel click Add Identity Plate and select Edit and this time select Use a Graphical Identity Plate. Click Locate file and either drag and drop the image into the window or find the image on disk. Click Ok to load it as an identity plate – you may be prompted that it is very big – click Use Anyway to continue.

The image will appear for a second or two on the title slide and it will then disappear from the main screen but you will see it in the Titles panel. It will probably be too small so adjust the Scale slider to increase its size.

You can go ahead and create a similar graphical identity plate if desired for the ending screen.

By creating a second Photoshop image in the same way and importing it as a Graphical Identity Plate you can have a different and custom ending screen for your slideshow.

To view the slides and your new titles, click the first image in the slideshow and click the Play button.

Labels: identity plate, image, layout, light room, picture identity plate, slide show

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posted by Helen Bradley @ 9:00 amNo Comments links to this post

Friday, February 3rd, 2012

Winter Photography Tip # 9 – Camera care

Most cameras work just fine in cold weather but their batteries don’t so you’ll treat your camera one way and batteries another.

To avoid condensation affecting your camera it’s best to keep it cold rather than taking it from warm to cold all the time. So, don’t tuck your camera inside your jacket, and if it’s wet use a rainproof covering for it only.

If you get the camera covered in snow just brush or shake it off – don’t rub so it melts into the camera!

On the flip side, a battery’s chemicals will simply not work efficiently if the batteries are cold so tuck them close to your body in an inside jacket pocket until you need them. And expect to consume more batteries in winter as they won’t last as long as they do in warmer months.

Labels: camera care, cold weather, covering, rainproof, snow, tips, winter photography

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posted by Helen Bradley @ 9:00 amNo Comments links to this post

Tuesday, January 31st, 2012

5 Gotchas in the Lightroom Print Module

When you’re setting up single or multiple image printing in the Lightroom Print module here are some things to be aware of:

Nonexistent Drag and drop

You can drag and drop pictures onto a print template in Lightroom in some circumstances but not in others. This can be confusing but there is some logic behind it.

When you select a Lightroom template from the Template Browser, make sure to open the Layout Style panel on the right at the same time. Templates can be one of three layout styles and each operates differently. Knowing what style a template is will help you understand its behavior.

If it is a Single Image/Contact Sheet template then you must select images on the filmstrip to add them to the contact sheet and they appear in the layout in the order they appear in the filmstrip. You can’t drag and drop images from the filmstrip into a Single Image/Contact Sheet layout.

If the template is a Custom Package then you can drag and drop an image into any of the containers on the screen. You can also drag and drop an image into any position in the layout and it will sit on the screen even overlapping other images.

If a template is a Picture Package, then you can fill it by clicking an image in the filmstrip. A picture package prints multiple images on a single sheet of paper. If you select two images in the filmstrip, you’ll then have two pages in your picture package – one for each of the selected images. You can drag and drop an image into a Picture Package but when you do, you’ll create all sorts of issues. Not only will you add a new image to the layout page you are seeing on the screen but you’ll do the same for all the pages in the current layout. It’s generally best not to drag and drop images into an already tightly designed picture package layout.

Understand Border behavior

If you have a Photo Border enabled for a either a Custom Package or a Picture Package then the width of the border will make the image smaller. The color of the border is the color of the page background if you have a page background selected. If not, it will be white. If you set an Inner Stroke then it too will reduce the size of the image but it can be set to your choice of color.

So, for example, if you want a black page background but a white border around your images, set the page background color to black and use the Inner Stroke rather than the Photo Border to apply the white border to the image.

Identity Plate Behavior

When you add an Identity Plate to a Custom Package it appears once on the page and you resize it to suit and place it where you want it to go. However, it only appears once in the layout so, if you add a second page to the print layout, the identity plate will appear only on the first page.

Alternatively you can add the identity plate to every image by selecting Render On Every Image. Now the identity plate will appear on each image rather than on each page but it will appear in the very middle of the image and you can’t move it.

So, if what you want is your name on each printout as an Identity Plate, create a Custom Package design with an Identity Plate but not set to render on every image. Make sure the identity plate is in the correct position and fill the page with images and print or save it. Then fill it again with a new set of images and output the result and repeat as required.

On the other hand, an Identity Plate added to a Single Image/Contact Sheet prints on every page of the document in the place you position it in.

Any size JPG output

You can print your layout to a JPG file that you can then upload to the web or send out for printing. To do this, from the Print Job panel, click the Print To: dropdown list and choose JPEG File.

Set the File Resolution and then the Custom File Dimensions for the page. Then, when you’re done assembling the images, click Print to File to print the layout to an image file rather than to a printer.

Crop your images

When you’re working with a Single Image/Contact Sheet, if the image is set to Zoom To Fill it will be made large enough to fill the container on the page. If the image height and width does not match the size of the container then part of the image will be removed. You can adjust the positioning of the image within the container by dragging on it with the mouse.

If you have a Picture Package or Custom Package selected you can move an image within its container also, but to do so you must hold the Ctrl key (Command) on the Mac.

The different behaviors of images within what appear to be similar layouts in Lightroom can be confusing but once you understand that different layout styles bring with them different key combinations and behaviors you’ll be on your way to creating great looking prints in Lightroom.

Labels: custom package, drag and drop, Lightroom, picture package, printing, problems, tips, tricks, troubleshooting

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posted by Helen Bradley @ 9:00 amNo Comments links to this post

Tuesday, January 31st, 2012

Winter Photography Tip #8 – White balance

When you are photographing in snow conditions there are situations where you’ll need to adjust the white balance so that snow is white and so it doesn’t have a blue cast.

On the other hand the colourcast you get when you shoot in the early morning or at sunset is desirable so don’t remove it or your sunsets and sunrises will be ruined.

To capture the colour of the light set the camera’s white balance setting to sunny day – the camera makes almost no adjustment to white balance when you do this. This makes it a good setting to use when capturing sunsets, for example.

However, when there is a colour cast that you don’t want to capture such as blue light on snow, then adjust the white balance setting in your camera to remove it. To warm up an image, set the white balance to shade as this adds a pink/ orange warming cast to the image and counteracts the blue/colder light.

Labels: adjustments, camera, colourcast, light capture, tip, white balance, winter photography

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posted by Helen Bradley @ 9:00 amNo Comments links to this post

Friday, January 27th, 2012

Smarter Content Aware Fill

If you’re like me, you’ve tried out the new Content Aware Fill feature in Photoshop CS5 and you’ve been left just a little bit disappointed.

What Content Aware Fill does is to replace unwanted areas of an image in a smart way. It can reduce the amount of time you spend working with the Clone Stamp and other fixing tools when you have something you need to get rid of in an image. However, where the Content Aware Fill feature appears to fail is when you want to remove a large portion of an image – those very times you wish it would work perfectly.

Well, last week I learned a cool technique to use with Content Aware Fill that solves these problems, thanks to Adobe’s Bryan Hughes. So here’s a way to make Content Aware Fill behave a whole lot smarter.

In this balloon image, if I want to remove the trees at the bottom of the image, I would make a selection around them with, for example, the Lasso tool.

Then, in Photoshop CS5 – even though the bottom layer of the image is a Background layer I would press Delete to open the Fill dialog. Here I can choose Use: Content Aware Fill and press Enter to have Photoshop remove the trees for me.

The problem is, that as often as not, part of one or more balloons will appear in the filled area. What I want is blue sky and not balloons. I could repeat the “Select and Delete” process until the image looks as I want it to but there is an alternative way to use the Content Aware fill feature. This way of working is great when you are trying to remove a large object and where there is not a lot of clean image data for Photoshop to use to do the fill with.

This solution involves removing any part of the image I don’t want the content aware fill feature to use – here that is the balloons – temporarily leaving only the content I want it to use – here that is blue sky. To do this I converted the background layer to a regular layer by double clicking it and pressing Enter.

Then I added a layer mask using Layer > Layer Mask > Reveal All and painted on the mask in black to remove the balloons – a hard edge brush is a good choice here.

Now I’ve reselected the image – not the mask – and made a selection around the trees again using the Lasso tool. Pressing Delete this time won’t work – it just deletes the selection so, instead, I need to press Shift + F5 or choose Edit > Fill to open the Fill dialog. Make sure that Use: is set to Content Aware and click Ok.

This time Photoshop uses only the visible content to fill the area and because the balloons aren’t visible they aren’t used to fill the area when the trees are removed.

Once you are done, you can bring back the balloons by dragging and dropping the layer mask into the trashcan – select Delete when prompted so you remove the mask – don’t apply it.

Now the content aware fill tool works as you would expect it to – allowing you to remove large portions of an image and have the area filled in an intelligent way.

Labels: content aware, content aware fill, fill, how to, Photoshop CS5, troubleshoot

Categories:Uncategorized

posted by Helen Bradley @ 9:00 amNo Comments links to this post

Thursday, January 26th, 2012

Winter Photography tips #7 – Work with what you have

Winter scenery typically lacks the bold colors of the other seasons. However, there’s still plenty of good subject matter to photograph. Look for the contrast of bare trees against wintry skies or soft snow hanging from the boughs of prickly conifers.

Contrast in line and texture make a great focal point for your images.

In the city, look for winter fogs and mists that partially hide buildings and in the country, look for elements which break the landscape drawing your eye to them such as a stream running through snow, a fence, hoof prints in icy paddocks or early bulbs.

Labels: ice, landscape, techniques, tips, tricks, Winter photograpy

Categories:Uncategorized

posted by Helen Bradley @ 8:37 amNo Comments links to this post

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Friday, February 10th, 2012

Ho-Hum to Wow! in Gimp

Wednesday, February 8th, 2012

More Flexible Lightroom to Photoshop editing

Open as a Smart Object

Double processing

Tuesday, February 7th, 2012

Create a collage in Gimp

Monday, February 6th, 2012

Cool Suffolk Sheep

Saturday, February 4th, 2012

Slideshow Titles with Identity Plates in Lightroom

Create a slideshow

Use your Identity Plate

Identity Plate for a Title

Friday, February 3rd, 2012

Winter Photography Tip # 9 – Camera care

Tuesday, January 31st, 2012

5 Gotchas in the Lightroom Print Module

Nonexistent Drag and drop

Understand Border behavior

Identity Plate Behavior

Any size JPG output

Crop your images

Tuesday, January 31st, 2012

Winter Photography Tip #8 – White balance

Friday, January 27th, 2012

Smarter Content Aware Fill

Thursday, January 26th, 2012

Winter Photography tips #7 – Work with what you have