Answered: Create a 2D array of size 14x14 having…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Create a 2D array of size 14x14 having same values ranging from 0 to 255 in each row. You are free to specify the values of this array. For instance, consider a 3x3 array as;
Array [3] [3]= {{12,12,12}, {75, 75, 75}, {247, 247, 247}}
12, 75, and 247 pixel values are specified in a way that they are in a range of 0 to 255 and they are same in a row.
Write a code namely arraytoimage.c using any pgm (portable gray map) format image that represents an image in a text file in which each pixel is represented by a number ranging from 0 and 255. In this code, write:
-P2 (magic number)
-Width and height of the image
-Maximum grayscale value
-Gray scale intensity values you specify in the array
in an order to this image

width = 256
width = 256 pixels
3
253
254 255
0 1 2 3
1 2 3 4
4
253 254 255
....
5
253
254
255
....
1 2 3
4
253 254 255
height =
256 pixels
....
...
1
2
3
4
5
253
254 255
(A)
(B)
Figure 1: Values in the grid represent the grayscale intensities of the image on the right.
(A) Intensitiy values shown in a grid of same dimension as image (B) Image as seen on monitor
: .
...
..
. ..
..
1-
. .

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