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Prices are common, but until 31 January 2017 pay them 40% discount

Barcode encyclopedia : Symbology aztec

AZTEC BARCODE

High density 2D matrix bar code, created in Welch Allyn Inc., Andy Longacre in year 1995, public domain. Aztec code is a 2D matrix barcode symbology designed to combine the best characteristics of several 1st generation symbologies, with special attention paid to ease of printing, ease of finding in any orientation, allowance for field distortion, high data security with user-selected redundancy, and efficient storage over the range from small to large data messages. Aztec symbols are always a square array of square cells with a square "bullseye" at the center.
Reed-Solomon error control encoding provides a user-selected level of data security and robustness. Reed-Solomon error control encoding provides a user-selected level of data security and robustness.

Main features:

  • Easy printing
  • Easy decoding - bulls eye in center
  • minimum size is 13 chars - equal to EAN13 to size
  • No need quiet zone
  • 32 code sizes
  • Reed Solomon error detection/correction, user selectable level
  • can encode 3750 character from all 256 ASCII chars
  • center of barcode is "bulls eye"
  • smallest element is named "element, square dot
  • error correction symbols size are selectable
  • FNC1 (GS1) and ECI support
  • structrured append

The overall size of an Aztec symbol is depended on module size, the total amount of encoded data and error capacity is choosen by the user.
The smallest Aztec symbol is 15 module square and ancode 14 digits with 40 % error correction.
The largest symbol is 151 modules square and can encode 3000 chracters or 3750 digits with 25% error correction.


The size and data bits capacity of Aztec code symbols



LayersSizeBit capacity
Capacity
DigitsTextBytes
119x1912618158
223x23288494024
327x27480846840
431x3170412810462
537x3796017814487
641x411248232187114
745x451568294236145
849x491920362291179
953x532300433348214
1057x572720516414256
1161x613160601482298
1267x673640691554343
1371x714160793636394
1475x754700896718446
1579x7952801008808502
1683x8358801123900559
1787x8765201246998621
1891x91720013781104687
1995x95790015111210753
20101x101864016531324824
21105x105940018011442898
22109x1091020019561566976
23113x11311040211616941056
24117x11711904228118261138
25121x12112792245219631224
26125x12513728263221071314
27131x13114688281822561407
28135x13515672300724071501
29139x13916704320525651600
30143x14317760340927281702
31147x14718840361628941806
32151x15119968383230671914
Data codeword sizes and prime modulus polynomials.
LayersCodewordGalois fieldPrime Modulus Polynomialdecimal equib.
1-26 bits64X6+X+167
3-88 bits256X8+X5+X3+X2+1301
9-2210 bits1024X10+X3+11033
23-3212 bits4096X12+X6+X5+X3+14021


Aztec code high-level encoding
 UpperLowerMixedPunctDigit
ValueCharasciiCharasciiCharasciiCharasciiCharascii
0PS  PS PS FLG***PS 
1SP32SP32SP32CR13SP32
2A65a97SOH1CR LF13,10048
3B66b98STX2. SP46,32149
4C67c99ETX3, SP44,32250
5D68d100EOT4: SP58,32351
6E69e101ENQ5!33452
7F70f102ACK6"34553
8G71g103BEL7#35654
9H72h104BS8$36755
10I73i105HT9%37856
11J74j106LF10&38957
12K75k107VT11'39,44
13L76l108FF12(40.46
14M77m109CR13)41UL 
15N78n110ESC27*42US 
16O79o111FS28+43
17P80p112GS29,44
18Q81q113RS30-45
19R82r114US31.46
20S83s115@64/47
21T84t116\92:58
22U85u117^94;99
23V86v118 95<60
24W87w119`96=61
25X88x120|124>62
26Y89y121~126?63
27Z90z122DEL127[91
28LL US LL ]93
29ML ML UL {123
30DL DL PL }125
31BS BS BS UL 




SMALL(COMPACT) AZTEC CODE

Small Aztec code is smaller version of Aztec code for coding smaller messages to 95 chars.Decoding rights is some as in Aztec Code

LayersSizeBit capacity
Capacity
DigitsTextBytes
115x1510213126
219x19240403319
323x23408705733
427x276081108953




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