Open up GIMP 2! We are going to explore how we can edit photos
and make them better. And yes, its actually called GIMP. This unit
will show you a variety of editing techniques, from the very simple
to more advanced offerings. This slideshow is a guide on what you
will do with your own photos. Feel free to follow along with the
examples before you do your assignment.
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First Steps We are going to look at some simple things we can
do to edit our pictures Have fun!
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GIMP Tools Editing Area
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Cropping a photo Open an image in GIMP that you took Find an
image where there is too much of something that you want to get rid
of. Find the Rectangle Tool in the toolbar and click on it
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This one
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Once you have selected the area, go to Image -> Crop to
Selection
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Voila Now all I have is the two people, and not the freaky
thing in the pool.
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Adding Filters Filters can add an interesting flare to your
photos They can make your picture look more interesting or
mysterious Be careful! Filters can make things look tacky if
overused. Find one that looks good! You can increase the intensity
or the amount of the filter that is used using a slidebar.
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Filters Here is where they are
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I used the Cartoon filter
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Under the Distorts option I chose Emboss
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We can also adjust how bright or dark our images are
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Brightness/Contrast Brightness controls how dark or light the
image is Contrast adjusts the intensity between the dark and light
colours, or black and white.
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Before After
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Adjusting Colour The previous example was black and white. Lets
see what we can do with a colour image.
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Go to Colours -> Colour Balance You can manually adjust
which colours appear in your image. Look at this drastic change in
appearance.
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Go to Color- Hue/ Saturation Here you can control: The colours
used The brightness The intensity
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Adding Text Now we will look at adding text to an image. Click
on the big A button to get the text function.
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Text
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Some Text I added this text to the top of my page Notice that
it also appears as its own Layer. Layers are like pages we can past
different things on.
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Add more text The text is hard to read as it is, so I want to
put the same text behind it in another colour. I will duplicate the
text layer. Right-click on the layer that has the text and click
Duplicate Layer
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Click on the old text layer It is now underneath the new text
layer Change the colour of the text using the text tools on the
left side of GIMP My original text was red, so I changed this new
colour to black, which will contrast with the red. This is a useful
thing to do to make your text look more visible when put on another
image.
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See what I did?
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Assignment 1 Using one of your photos, crop it and add a filter
to it Change the brightness and contrast to a more suitable level
Change either the Colour Balance or the Hue/Saturation Add text to
the image, with a duplicate layer offset behind it to create
clarity Record what you did and why Discuss your results. Do you
like it?
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Fixing Mistakes Photo editing software is a great way to fix
things that have gone wrong. The great thing about this software,
is that we can work with things called Layers. Layers are like
separate transparent pages we can put things on. If we do something
on one layer, it will not show up on another. Layers are a great
way to enhance things or make mistakes without worry of what you
can do to your original image. As a rule, NEVER EVER work on your
background image. Always make a layer copy.
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The Layers- How to View Them
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Duplicating your original image The new little box you see will
show you all of your layers
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Uh Oh As you can see, this man did a bad job making himself
look good on eHarmony. Lets help him out. Clearly he needs some
better editing skills.
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Copy the image into a new layer
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We need to fix this area
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Find the Colour Picker Tool This tool will sample the colour in
a part of the picture that you click on In this example, we want to
Select the wall colour.
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I used the Paintbrush tool After selecting the colour with the
eyedropper, I painted over the area that looked wrong. This still
doesnt look good enough. There is something else we can do.
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Delete the previous layer Make another background copy. This
time, we will use the clone stamp tool. Hold down the CTRL key and
select the area to Copy. The clone stamp tool will copy And replace
a section of the image In this case, we want to copy the
Background.
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Making Adjustments You can adjust the size of the brush that
you use Changing the Opacity changes how see- through or solid what
you are doing will be It is a good idea to not make things Have a
low transparency when first editing
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I got rid of his extra-wideness
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Making things Funny With Dennis Rodman. Create a copy of your
background layer.
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Add Transparency to the Layer You need to do this so that you
can erase parts of it later. Click on Alpha Channel to do
this.
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Another Mouth to Feed Using the Stamp tool, I put another mouth
on his forehead on the new layer. Hold down CTRL!
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More I want to get rid of the extra stuff around his new mouth.
To do this, use an eraser and adjust its size and opacity.
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End Result
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Assignment 2- Using Layers, Effects and Rubber Stamp Get a
picture of someone or yourself Add some new interesting features to
yourself A 3 rd arm, another head? We want to use the tools we have
learned, like the rubber stamp and lasso, magic wand We want it to
look funny, but realistic and blended together Adjust the layers
with contrast to match things better
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The Pen (Paths) Tool
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A powerful tool to trace over images
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How to Use Click on this tool here
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How to Use We need to see the different Paths we will use, like
how we can see and select different layers, so go and enable this
feature to appear in your tools:
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My Object I am going to trace the car The first thing I will do
is zoom in using the + key
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The first thing I will trace is the wheel well I click and drag
with the mouse, making a straight line I will then click HERE to
make the line curve
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We get this: By holding down the CTRL key you can move the
curve around so that it matches the shape you want it to.
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Voila (close enough)
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Make a new Path Each time you make a new path, make the new
path in your dialogue box
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Repeat this Process Until you have everything traced that you
need!!!!!!! Tip: for straight lines with this tool all you have to
do is click where it starts and where it will end, you do not have
to drag the mouse
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Make a new Layer We will paint on this this layer
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Adding Colour Go here to Stroke (paint) the path. Right-click
on a path to choose this option.
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There are lots of options Your colour The style
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In my example here I traced the object in a variety of colours
and sizes. I then added a Gradient background to my image.
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Assignment 3 -Pathways Use different paths to trace around an
image Use different colors to increase the detail Put a gradient
background in your image.
