我正在寻找某种公式来确定我可以在不大于给定宽度的Code 128条形码上容纳多少数据。用例是一个腕带，上面印有条形码。
是否有最小条形需要最小尺寸才能使所有内容可见？是否在任何地方都可以使用尺寸比例（例如，“ Z占用的空间是0的两倍”）？我看到Code 128支持数字字符串的压缩。消除字母字符会删除更多数据，但是这样做最终会获得相同宽度的更多数据吗？
编辑：同时对数字字符串进行压缩，解决方案是仅测试10、12、15等字符串。我们决定使用12，因为这对于我们的使用来说已经绰绰有余了，并且可以非常轻松地在1英寸腕带上进行扫描，并且两侧各留出10％的空间。我仍然对请求的信息感兴趣，尽管有人可以提供洞察力。
答案 0 :(得分：1)
所有字符的相对宽度相等。代码128C允许您将两个数字组合成一个字符，但是如果您需要混合和匹配数字和字母，则需要连续地具有两对或更多对连续数字，以增加开关字符的负担。
一定高度后，垂直尺寸无关紧要，具体取决于扫描仪。
字符的宽度与字符的可扫描性成正比，并取决于生成器的软件，硬件和打印介质。
我以每英寸字符数来测量密度，使用喷墨打印机，每可扫描英寸我可以得到大约15½个字符。将它们包装得更密一些，我怀疑我需要一台更好的打印机，也许是一台更好的扫描仪。
这里是用Code128B以15.6 cpi编码的40个字符串（包括开始，检查和停止在内的43个字符）。
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width="4" height="30"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAACCAQAAADLaIVbAAAANUlEQVQIHQEqANX/ASL/AADeAAAA/gAAAAIAAAD+AAAAAgAAAAAAAAAAAAAAAAAAAAAAAAAAh6QEAZKdo54AAAAASUVORK5CYII=" width="4" height="30"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAACCAQAAADLaIVbAAAANUlEQVQIHQEqANX/Af//AAABAAAAAAAAAP8AAAAAAAAAAgAAAAAAAAAAAAAAAAAAAAAAAAAAbjUDAlvFFR8AAAAASUVORK5CYII=" width="4" height="30"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAACCAQAAADLaIVbAAAANUlEQVQIHQEqANX/AQD/AAAAAAAAAAAAAP8AAAAAAAAAAgAAAAAAAAAAAAAAAAAAAAAAAAAARTkCAqx1lb4AAAAASUVORK5CYII=" width="4" height="30"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAACCAQAAADLaIVbAAAANUlEQVQIHQEqANX/AQD/AAD/AAAAAQAAAAAAAAD/AAAAAgAAAAAAAAAAAAAAAAAAAAAAAAAAZjkDAtle3bIAAAAASUVORK5CYII=" width="4" height="30"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAACCAQAAADLaIVbAAAANUlEQVQIHQEqANX/Af//AAABAAAA/wAAAAEAAAAAAAAAAgAAAAAAAAAAAAAAAAAAAAAAAAAAck4DAxY8F10AAAAASUVORK5CYII=" width="4" height="30"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAACCAQAAADLaIVbAAAANUlEQVQIHQEqANX/Af//AAAAAAAAAAAAAAEAAAAAAAAAAgAAAAAAAAAAAAAAAAAAAAAAAAAAUUoCA+juoggAAAAASUVORK5CYII=" width="4" height="30"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAACCAQAAADLaIVbAAAANUlEQVQIHQEqANX/AQD/AAD/AAAAAQAAAAAAAAD/AAAAAgAAAAAAAAAAAAAAAAAAAAAAAAAAZjkDAtle3bIAAAAASUVORK5CYII=" width="4" height="30"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAACCAQAAADLaIVbAAAANUlEQVQIHQEqANX/Af//AAAAAAAAAQAAAAAAAAAAAAAAAgAAAAAAAAAAAAAAAAAAAAAAAAAAUU4CA1nljTgAAAAASUVORK5CYII=" width="4" height="30"><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAACCAQAAADLaIVbAAAANUlEQVQIHQEqANX/Af//AAABAAAA/wAAAAEAAAAAAAAAAgAAAAAAAAAAAAAAAAAAAAAAAAAAck4DAxY8F10AAAAASUVORK5CYII=" 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答案 1 :(得分：0)
@Alex DeCamillo，
代码128的ISO / IEC 15417规范定义了一个计算宽度的公式，该公式利用字符数，最窄元素的宽度和所需的静区来计算总宽度。您也可以将其以恒定的宽度使用，以计算最小元素的所需宽度，依此类推。不幸的是，我无法在规范之外找到该公式的文档，因此我不能在不违反规范条款的情况下共享该公式，但是您可以在此处获得该规范：https://www.iso.org/standard/43896.html
Terry Warwick，微软