Welcome to the knowledge base, we keep this area regularley updated with frequently asked questions, terms and examples, tutorials and documentation.

Paper Sizes

paper_sizes

Folds

  • Half Fold
  • Tri Fold
  • Map Fold
  • 4 Panel Fold
  • 3 Panel Gate Fold
  • Roll Fold
  • Half Fold
  • Double Parallel Fold
  • Quarter Fold
  • Z Fold
  • Double Gate Fold

Types of Paper

Coated paper
Coating is a process by which paper or board is coated with an agent to improve brightness or printing properties. By applying PCC, china clay, pigment or adhesive the coating fills the miniscule pits between the fibres in the base paper, giving it a smooth, flat surface which can improve the opacity, lustre and colour-absorption ability. Various blades and rollers ensure the uniform application of the coating.

Different levels of coating are used according to the paper properties that are required. They are divided into light coated, medium coated, high coated, and art papers – art paper is used for the high quality reproduction of artwork in brochures and art books.

Uncoated paper
Not all paper is coated. Uncoated paper is typically used for letterheads, copy paper, or printing paper. Most types of uncoated paper are surface sized to improve their strength. Such paper is used in stationary and lower quality leaflets and brochures.

Textured paper
There is also textured paper available, although this is appealing at first, for the majoriity of things you would be looking to have printed, textured paper is not always sutible and does not produce the expected result.

Preparing a Document for Print

Facing Pages Using inDesign
Bleeds & Margins using inDesign

Resolution of your image
If you have any images in your documents, they MUST be at least 300dpi or they will look pixelated.

File Types

There are two quite different techniques for creating, storing and processing computer images: bitmap graphics and vector graphics. This page just defines the two types as simply as possible. You will find links to more detailed descriptions at the bottom.

Vector Graphics
A vector graphics file is a collection of graphics primitives — points, shapes, lines, curves and colors. There are several types of vector graphics formats, but the Scalable Vector Graphics format is the only format endorsed by the World Wide Web Consortium. SVG format saves primitive information in an XML format, though it can also save raster graphics information. SVG files can contain animations and even include filters and hyperlinks.

Vector graphics are easy to create and manipulate via an editor such as Inkscape or Adobe Illustrator. It is especially simple to make small tweaks to only a part of an image, or a full transformation. Although doubling the size of a raster image can create blurry artifacts, the SVG file scales cleanly. It also supports multiple layers with which to divide an image into multiple depth groups, while JPEG images are limited to one layer. For small images with only a few elements, vector files are fairly small — even without compression.

Bitmap Graphics
JPEG files, named after the Joint Photographics Expert Group, are raster images that are compressed to save space. This compression can result in loss of image data. Digital photographs and scanned art often use the JPEG file format. It can contain a maximum resolution of 65,535 by 65,535. JPEG files can use lossless compression, although it typically results in larger file sizes and is not well supported by editors.

Tiff is an industry standard file type for distributing high quality scanned images or finished photographic files. These contain more information than jpg files and take up more memory space.

As a widely supported graphics standard, Bitmap images are a common choice for graphics designers. Internet Explorer versions prior to 9 did not support SVG graphics, and many image hosts, often designed for photo storage, only accept raster images. In addition, although SVG files are more functional than simple raster formats, they can also have larger file sizes, especially if they contain many elements.

Read more about JPEG & Vector @ http://www.ehow.com/info_12013572_vector-graphic-vs-jpeg.html

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