PowerPoint picture tools for effective presentations
As pictures are worth a thousand words, we take a look at picture editing tools to enhance your PowerPoint presentations
According to Wikipedia, the phrase, "A picture is worth a thousand words," expresses the idea that a complex concept can be easily understood using just a single image. It also aptly characterises one of the main goals of visualisation, namely making it possible to absorb large amounts of data quickly.
With this in mind, one often wonders why many presentations have little or no appropriate pictures. One common reason is that the creation and editing of pictures is a challenge for many, especially those not naturally gifted in creating artwork or specifically skilled in dedicated drawing/photo-editing software.
This article provides an overview of the PowerPoint 2010 Photo/Picture manipulation tools, that can speed up the process of creating appropriate pictures, to help emphasise your presentation.
Where are the tools?
By default, the PowerPoint 2010 Picture Tools ribbon is not visible and will only appear when you insert a picture or double click on a picture that is already embedded within PowerPoint.
Once the Picture Tools Ribbon appears, there are several useful tools that you can use to quickly enhance your presentations. The tools we give a brief overview of are; Remove Background, Corrections, Artistic Effects, Picture Styles, and Cropping
PowerPoint photo manipulation tools
The Remove Background tool is useful for separating a foreground object in a picture from the background, providing there is a reasonable amount of difference between the object and the background. In other words, the Remove Background tool is useful when you have several objects in a picture or photograph and your presentation needs to focus on one specific object. This tool will help you quickly eliminate all other objects apart from the one object that you want your audience to look at.
Corrections is a tool that has two purposes:
- Corrections enables you to adjust the brightness and contrast of an image, which is helpful when your photograph or picture is too dark or too bright to be seen properly.
- Corrections enables you to adjust the sharpness and softness of a picture - helpful if, for example, you have want to sharpen the blurry text in a screenshot to make it more readable to your audience. Increasing the sharpness is also useful if your photographs appear a little smudged or some of the details have been lost due to bad lighting. Conversely, the Soften setting is useful for portrait shots, where you want to make the subject's skin look smoother.
The Artistic Effects tool provides a basic collection of filters to change your image. These filters are useful if you are trying to make your pictures more interesting - some examples of this use include; transposing a colour photograph to a black and white look and transforming the photograph to look more like a drawing or painting.
Tip: You can apply only one artistic effect at a time to a picture, so applying a different artistic effect will remove the previously applied artistic effect.
Along with the different tools covered in this article, PowerPoint also has a range of customisable effects at its disposal which range from glows, 3D treatments, reflections, and much more. These effects can be found in the Picture Styles group of commands where you can experiment with Picture Effects, Picture Layout and Picture Borders.
PowerPoint also lets you create your own customised versions of many of the effects discussed in this article by using the Picture Styles dialog launcher (it's the tiny grey arrow on the right corner of the Picture Styles group). When you click on the Picture Styles dialog launcher, the Format Picture dialog box will appear with adjustable settings that enable you to experiment with different combinations of corrections, 3D picture glows, borders and other photo manipulation options.
More than just another cropping tool
The most widely used tool, common to all graphics applications, is the crop tool. The crop tool is used for snipping out parts of a picture or photograph that you don't want.
However, PowerPoint's crop tool has an additional feature that goes beyond simply cutting to a rectangular shape or square - it now enables you to crop to specific shapes such as block arrows and star shapes.
The Photo Manipulation tools are particularly useful to help when trying to create eye-catching presentations for a slide show. Whether you're presenting to a general audience, your lecturer or your boss, it's important to ensure the pictures on the slides complement your presentation rather than hinder it.
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