Image Secets
 

Types of Images

There are two basic types of digital image file formats. They are vector-, raster format. These will be described below. If you have any questions please contact us.  

Vector Format

An image stored in a vector format is an images defined by mathematically lines, curves, circles etc, which are stored as mathematical formulas. Compared to raster images only the formulas are stored. This makes the size of the file very small. The images don't loose focus when you zoom, since the lines are re-rendered.

A vector image gives a very high quality, it requires small storage space and is easy to edit. That's why you should always try to save your vector images in a vector format. It is not possible to save photos, scanned images etc in a vector format. 

Examples of vector images are drawings, diagrams and illustrations.

Picture 1. Enlargement of a vector image. The quality is still good.

Raster Format 

A raster image is made up by small dots, known as pixels in different colors. The dots create a pattern which forms the image. The pattern will show if you take a very close look at the image. 





  

Picture 2. Enlargement of a raster image. 

Drawings, photos, images etc, which shall be used in a document need to be transformed into a digital format. This is done by scanning the image or take a photo with a digital camera. The image is then stored as a raster file, i.e. dot-pattern image.

Picture 3. Enlargement of a raster image. The quality is not improved.

 

It is the art of converting raster images to line art images format. Line art images are size independent. That means it can be scaled up and down without losing any quality.

The image will be of same quality no matter what size it is being scaled. To explain it better is to differentiate it to the raster image (bitmap image). Bitmap artwork is comprised of dots (pixels) that represent a graphic image, with each bit or group of bits corresponding to a pixel in the image. When bitmap image is enlarged, it produces jagged edge and graininess, which is not print friendly. The bitmap file is comprised of a series of dots of inch(dpi) and when you enlarge a bitmap, rather than more dots being added, the existing dots are simply enlarged. The larger the dots get, the blurrier the image will be. Examples of Bitmap images are JPG, TIFF, BMP and GIF.

While vector artwork is comprised of lines (wireframe) that represent the objects. Vector images are usually created with the drawing program such as CorelDraw, Adobe Illustrator or Freehand. Increase or reduction in size will produce no pixelization. The combination of one of these programs with an expert digital artist can create a beautiful artwork that can be used on print articles.
 

 

 

Bitmap enlarged to 300 %

 
 

Vector enlarged to 300 %

Resolution Independent : A vectorised images has no jaggedness, no loss in detail and can be printed at any resolution

Size Independent : The image can be scaled up or down without any loss in quality.

We can output to the following file types :
 

CDR - Coreldraw

CDT - Coreldraw Template

CGM - Computer Graphics Metafile

AI - Adobe Illustrator

WPG - Corel Wordperfect Graphic

EMF - Enhanced Windows Metafile

WMF - Windows Metafile

CMX - Corel Presentation Exchange

 

Vectorizing is very used for

  • Sign makers

  • Cap Makers

  • Stencil Engravers

  • Invitation Makers

  • Announcement Makers

  • Heraldic Clipart Makers

  • Plaque Makers

  • Decal Makers

  • Label Makers

  • Trophy Makers

  • Printers & Publishers

  • Diploma Certificate

  • Makers of Promotional Products

  • Graphic Makers

  • Balloon Makers

  • Advertising Agencies

  • Badge Makers

  • e Makers

  • Lapel Makers

  • Pocket Patch Makers

  • Label Makers

  • Game Developers

  • Digital Embroiderers

  • Collectable Pin Makers

  • Printers

  • Sportswear Makers

  • Vinyl Cutters

  • Yearbook Makers

  • Crest Makers

  • Clipart Creators

 

This technique is most effective in Logo Screen Printing and we excel in that art. Given below are few samples and we will keep you updated with many more.

 

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