[PDF] Class X ICT Notes Chapter 2 - Advanced GIMP

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Class X ICT Notes

Mohd. Hashim Khan

PGT-PTT Computer

Senior Secondary School (Girls) AMU

Video Lectures: My lectures on GIMP can be viewed on YouTube Channel named ͞Thenetguruz", search with channel name on YouTube App or scan QR code:

Chapter 2 - Advanced GIMP

Introduction to GIMP

GIMP is an acronym for GNU Image Manipulation Program. It is a freely distributed program for such tasks as photo retouching, image composition and image authoring.

It has many capabilities. It

can be used as a simple paint program, an expert quality photo retouching program, an online batch processing system, a mass production image renderer, an image format converter, etc. Students are advised to download GIMP software from www.gimp.org website and install it on their computer. Then explore all the tools in it and practice the usage of the tools on any existing image that you click using your phone or download from internet. In case of any doubt, students may contact me on my WhatsApp no. 8869072491.

A. Multiple choice questions

1. _________ tool helps you to add a new layer to the image which is identical copy of the active layer.

(a) Smudge Tool (b) Dodge Tool (c) Perspective Tool (d) Duplicate Layer

2. By default the mask is shown in ______, but you can change this if another mask colour is more convenient.

(a) Red (b) Blue (c) Green (d) No colour

3. In _________ mode, the selection is shown as a translucent screen overlying -the image, whose transparency at

each pixel indicates the degree to which that pixel is selected. (a) Default (b) Quickmask (c) Marching ants (d) Normal

4. __________ are the transparent sheets one on top of the other.

(a) Masking (b) Tools (c) Layers (d) None of the above

5. By default the extension of Gimp file is ______

(a) .XCf (b) .BMP (c) .TIFF (d) .PNG

6. GPL stands for

(a) General Private license (b) Great Pioneer License (c) General Public Limited (d) General Public License

7. The image loses some of its quality by being _______

(a) Scaled (b) Merging (c) Renaming (d) Masking

9. In _______ mode, over-application of the tool will produce noise.

(a) Sharpen (b) Blur (c) Dodge (d) Smudging

10. ________ takes colour in passing and uses it to mix it to the next colours it meets.

(a) Sharpen (b) Blur (c) Dodge (d) Smudging

B. Answer the following questions:

Q1. Name the application areas where Gimp can be used.

Ans. GIMP is a GNU Image Manipulation Program. It is a powerful open source image editing tool that provides

retouching, authoring and composition of photos. Application areas of GIMP are:

1. It can be used as a simple paint program

2. It can be used as an expert quality photo retouching program.

3. It can be used as an online batch processing system.

4. It can be used as a mass production image producer to develop different models.

5. The advanced scripting interface allows everything from the simplest task to the most complex

image manipulation procedures to be easily scripted.

6. It can convert and save files to many file formats such as gif, jpeg, tiff.etc

7. It can load and save animations in a convenient frame as layer format.

Q2. Mention all the features of Gimp.

Ans. Features of GIMP are:

1. It can be used as a simple paint program

2. It can be used as an expert quality photo retouching program.

3. It can be used as an online batch processing system.

4. It can be used as a mass production image producer to develop different models.

5. The advanced scripting interface allows everything from the simplest task to the most complex image

manipulation procedures to be easily scripted.

6. It can convert and save files to many file formats such as gif, jpeg, tiff.etc

7. It can load and save animations in a convenient frame as layer format.

8. Virtually unlimited images can be opened at one time.

9. GIMP works with numerous operating systems including Linux, Mac OS and Microsoft Windows.

Q3. What do you understand by General Public License (GPL)?

Ans. The GNU General Public License (GNU GPL or GPL) is a widely used free software license, which guarantees end

users the freedom to run, study, share and modify the software. Q4. Which tool is used to align the objects placed on different layers? Explain all its options. The Align tool is useful to align the image layers with various image objects. When this tool is selected, the mouse pointer turns to a small hand. By clicking on an element of a layer in the image, you choose the layer which will be moved (with Shift + click, you can choose several layers to be aligned), this focalised layer has small squares in corners.

Various buttons in the dialog allow you to select how the layer will be moved. And you can select the image object

(other layer, selection, path...) the selected layer will be aligned on. This object is called target.

Q5. Name the properties needs to be changed while scaling the image.

Ans. The Scale Image command enlarges or reduces the physical size of the image by changing the number of pixels

it contains. Q6. Which tool is used to lighten the pixels in an image?

Ans. The Dodge tool.

Q7. Which tool is used to darken the colour pixels in an image?

Ans. The Burn tool.

Q8. Differentiate between Shear and Perspective tool.

Ans. Shear tool is used to shift one part of an image, a layer, a selection or a path to a direction and the other part to

the opposite direction.

The Perspective Tool is used to change the dimensions of the active layer content, of selection content or of a path.

Q9. What is the default background and foreground colour of image window?

Ans. Default background colour - White

Default foreground colour - Black

Q10. How is blur tool different from smudge tool?

Ans. Blur mode causes each pixel affected by the brush to be blended with neighbouring pixels, thereby increasing

the similarity of pixels inside the brushstroke area.

The Smudge tool uses the current brush to smudge colours on the active layer or a selection. It takes color in passing

and uses it to mix it to the next colours it meets, on a distance you can set. Q11. Name any four tools used for changing the pixel arrangement in an image.

Ans. Retouching tools are used for the arrangement of pixels. The following are the retouching tools available in

Gimp:

1. Brush & Pencil Tool

2. Blend Tool

3. Blur & Sharpen Tool

4. Dodge & Burn Tool

Q12. What is the difference between Blur tool and Sharpen tool?

Ans. Blur mode causes each pixel affected by the brush to be blended with neighbouring pixels, thereby increasing

the similarity of pixels inside the brushstroke area.

Sharpen mode causes each pixel to become more different from its neighbours, it increases contrast inside the

brushstroke area. Q13. How is flipping an image different from rotating an image?

Ans. Flipping can be Horizontal, Vertical or Both. There is difference between Flipping and Rotating image. Flipping is

mirror image and rotating is rotation of image by some angle. Q14. Write the steps to apply blend effect on an image?

Ans. To make a blend, drag the cursor in the direction you want the gradient to go, and release the mouse button

when you feel you have the right position and size of your blend. The softness of the blend depends on how far you

drag the cursor. The shorter the drag distance, the sharper it will be. Q15. What are Layers? What is the purpose of using Layers? Ans. In GIMP terminology, each individual transparency is called a layer. A new image in Gimp has a single layer. You can add a number of additional layers to add different elements in an image. Layer provides a variety of effects that change the appearance of the image. It allows you to work with one element of an image without disturbing the others. Layers are the transparent sheets one on top of the other. You can see through transparent areas of a layer to the layers below.

Q16. What is the need of merging the Layers?

Merging layers is helpful when we no longer need every layer to be independent and also to reduce the number of

layers in the image. Merging layers decreases the memory requirements for the image and file saved with lesser

number of layers are smaller. C. Identify the tools used for the following purpose:

1. To resize the layer/image : Scale tool

2. To move layers : Move tool

3. To align the layers with various objects : Align tool

4. To create the mirror image ͗ Transform Tools ї Flip

5. To draw free hand drawings : Pencil Tool

6. To lighten the colour pixels of an image : Dodge tool

7. To give wet paint effect in an image : Smudge tool

8. To shift one part of an image/ a layer to a particular direction : Shear tool

9. To apply different colours without effecting the original image : Layer

10. To remove objects from the canvas : Eraser Tool

More Videos on GIMP from my Channel

Getting Started with GIMP

Concept of Layers in GIMP

How to use Alignment Tool

Layer Mask - Removing

Background

Animation in GIMP (Basics)

Using Perspective Tool and Light

and Shadow.quotesdbs_dbs21.pdfusesText_27

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