GIS Architectures, lecture 10

1
GIS Architectures, lecture 10

• Output devices
• printers
• plotters
• monitors

2
General attributes

• Size
• Resolution

3
Monitors

• CRT (Cathode Ray Tube)
• Practical max size 21
• problems with picture quality at larger physical
  size
• max 2048 x 1536 pixels, recommended 1600 x 1200
  pixels
• Fast (as LCD is relatively slow)
• Color reproduction different from monitor to
  monitor and changes in time

4
LCD monitors

• Liquid Crystal Display
• TFT (Thin Film Transistor) Technology
• Light, Low power consumption, No flicker
• Best ones have larger color space than CRT and
  color reproduction is more stable
• Relatively slow (but getting better), price
  (gettin cheaper)
• current max 3840 x 2400

5
Other displays

• Large screen PDP (plasma) monitors
• 50 1600 x 1200
• Projectors
• up to 200 picture
• 1024 x 768

6
Printers

• InkJet
• A4, some A3, Cheap
• Some are sold as photograph printers
• Matrix
• A4 continuous, For forms
• Laser
• A4, some A3, All-purpose
• May have built-in postscript interpreter
• some have network cards

7
Printer specifications

• Printing speed
• Resolution
• Memory
• Built-in PostScript
• Paper size
• Toner price
• Connectivity

8
Multi-function devices

• print, copy, scan, fax

9
Wide format printers (Plotters)

• Epson, HP
• up to 44