Graphics and Animation

GRAPHICS AND ANIMATION:

Raster Graphics

The picture or image which is created by Raster Graphics is entered as it is ‘as file and data’. Pictures are of two types one is Vector another one is Raster.

Raster Graphics are created on the basisof PIXELS. The photos taken by camera and the photos scanned by a scanner are of the Raster type. When we enlarge this type of photos we could see the pictures as rectangular layers or grids.

Raster File Types:

* png (Portable Network Graphics)

* .jpg or .jpeg (Joint Photographics Experts Group)

* .gif (Graphics interchange Format)

* .tiff (Tagged Image File Format)

* .psd (Photoshaop Document)

The Software which edit the Raster Graphics:

* Adobe Photoshop

* Vector Graphics

As the Vector Pictures are created on the basis of Mathematics, even when we enlarge the picture it’s accuracy won’t change.

Types of Vector Graphics Files

* .eps (Encapsulated Post Script)

* .ai (Adobe Illustrator Artwork)

* .pdf (Portable Document Format)

* .svg (Scalable Vector Graphics)

* .sketch

The Softwares which edit the Vector Graphic Images

* Adobe Illustrator

* Sketch

* Inkscape

Inkscape

Step 1: First we have to scan the picture we havedrawn in the COMPUTER.

Step 2: Then we have to open this picture in the‘INKSCAPE’ software. Select the entire picture.

Step 3: Select PATH option. From the submenu,select ‘TRACE BITMAP’ option.

Step 4: Do corrections in the small screen whichappears. Now UPLOAD this edited image and click on OK.

Step 5: Now close the screen of TRACEBITMAP. Now click the picture that appears on the present screen and drag it .You will get the vector graphics of the drawn picture. SAVE it by clicking the ‘save button’ and save it in your choice of file format.

2 Dimensional and 3 Dimensional Images:

As soon as we see the above picture we know the difference between the two. The first is TWO DIMENSIONAL (2D) another one is THREE DIMENSIONAL (3D).The two dimensional 2D images have only the two dimensions - length and height. But three dimensional images (3D) have length, height and width. 3D images appear in front of our eyes like it happens in the real world.

Three dimensional videos will bring the scenes alive before our eyes. Already there are three dimensional films. Now three dimensional games have also got released.

Now there is another new technology VIRTUAL REALITY in 3D.VIRTUAL REALITY is a technology which shows the computer image as real image. When we see games through this technology we can feel/ perceive the setting of the game as real. Now this technology has been introduced in Smart Phones too.