Question 4: Consider the texture map shown in Fig. 2, that is an image of size 1200x600. Figure 2: Sample texture map of the earth. (a) Explain precisely how it can be used to render images of the earth. (3 marks) (b) What are the advantage and drawbacks of the above texture map over the standard one shown in the textbook and in Fig.3 (right) below? (2 marks) Image space Surface S in world space Texture space, T Figure 3: Mapping a texture map of the earth Marschner 2017] Question 4: Consider the texture map shown in Fig. 2, that is an image of size 1200x600. Figure 2: Sample texture map of the earth. (a) Explain precisely how it can be used to render images of the earth. (3 marks) (b) What are the advantage and drawbacks of the above texture map over the standard one shown in the textbook and in Fig.3 (right) below? (2 marks) Image space Surface S in world space Texture space, T Figure 3: Mapping a texture map of the earth Marschner 2017]