Computer graphics software can create shapes as vector graphics or as bitmap images. Identify one use of vector graphics in computing. Explain, in detail, why vector graphics can be resized without losing image quality but bitmap images usually cannot.

9626_m20_qp_32

THEORY

2020

Paper 3, Variant 2

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A graphics artist has drawn a shape on a 600 × 800 pixel resolution grid as shown in Fig. 3. Y X Fig. 3 The shape is to be stored in a computer file as a vector graphic so that it can be opened and displayed in different resolutions without loss of quality. Describe the information about the shape that would be stored in the vector graphic file.

9626_s18_qp_31

THEORY

2018

Paper 3, Variant 1

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A designer creates vector graphics for companies for use in their advertising. Explain why the designer uses the svg file format for storing the vector graphics. Describe the information that must be stored in a vector graphic file so that the image can be recreated when the file is opened.

9626_s22_qp_31

THEORY

2022

Paper 3, Variant 1

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A designer creates vector graphics for companies for use in their advertising. Explain why the designer uses the svg file format for storing the vector graphics. Describe the information that must be stored in a vector graphic file so that the image can be recreated when the file is opened.

9626_s22_qp_33

THEORY

2022

Paper 3, Variant 3

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An artist has sketched some of the shapes to use in a cartoon image of a snail. The pre-drawn shapes are shown in Fig. 1. Shape 1 Shape 2 Shape 3 Shape 4 Fig. 1 The final image is then composed and completed using image-editing tools on a computer. It is shown in Fig. 2. Cartoon Snail Fig. 2 Explain, in detail, how you would use image-editing tools to create the final image from the components.

9626_w17_qp_32

THEORY

2017

Paper 3, Variant 2

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Vector images use ‘nodes’. Describe what is meant by a ‘node’ in a vector image. Describe how node editing can be used to change a vector image.

9626_w19_qp_32

THEORY

2019

Paper 3, Variant 2

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Many web pages now use vector graphics as well as bitmap graphics for images and icons. Evaluate, by weighing up the advantages and disadvantages, the suitability of vector graphics compared with bitmap graphics for this purpose.

9626_w21_qp_32

THEORY

2021

Paper 3, Variant 2

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Vector images consist of shapes which can be edited into different shapes to change the appearance of the image. Describe the techniques that can be applied to the shapes in a vector image to change its appearance.

9626_w23_qp_31

THEORY

2023

Paper 3, Variant 1

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Vector images consist of shapes which can be edited into different shapes to change the appearance of the image. Describe the techniques that can be applied to the shapes in a vector image to change its appearance.

9626_w23_qp_33

THEORY

2023

Paper 3, Variant 3

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A digital camera captures bitmap images. These images can be converted into editable vector shapes. Describe how a bitmap image is converted into editable vector shapes. Vector images can be used on web pages. Discuss the advantages and disadvantages of using a vector image with editable shapes instead of a bitmap image.

9626_m23_qp_32

THEORY

2023

Paper 3, Variant 2

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