确定 Code 128 条码可用的最大宽度
Determining max width available for Code 128 barcode
我正在寻找某种可用的公式来确定我可以在不大于给定宽度的 Code 128 条码上容纳多少数据。用例是一个腕带，上面印有条形码。
要使所有内容都可见，最小栏是否有最小尺寸要求？是否有可用的大小比例（即 "Z takes up x times more space than 0"）？我看到 Code 128 支持对数字字符串进行压缩。消除字母字符会带走更多数据，但这样做最终会得到相同宽度的更多数据吗？
编辑：随着数字字符串的压缩，解决方案是只测试 10、12、15 等字符串。我们决定使用 12，因为这对我们的使用来说绰绰有余，并且在 1 英寸的腕带上非常容易扫描，每侧留出 10% 的空间。如果有人有洞察力，我仍然对请求的信息感兴趣。
所有字符的相对宽度都相等。代码 128C 允许您将两个数字放入一个字符中，但如果您需要混合和匹配数字和字母，则需要始终让两对或更多对数字连续，以使开关字符增加的负担是值得的。
达到一定高度后，垂直尺寸无关紧要，具体取决于扫描仪。
字符的宽度与其可扫描性成正比，并取决于生成器软件、硬件和打印介质。
我用每英寸字符数测量密度，使用喷墨打印机，我每可扫描英寸可以打印大约 15½ 个字符。将它们包装得更密集，我怀疑我需要一台更好的打印机，也许还需要一台更好的扫描仪。
这是在 Code128B 中以 15.6 cpi 编码的 40 个字符的字符串（43 个字符，包括开始、检查和停止）。
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@Alex DeCamillo,
Code 128 符号体系的 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空白区来计算总宽度。您还可以将其与恒定宽度一起使用，以计算最小元素等所需的宽度。不幸的是，我无法在规范之外找到这个公式，所以我不能在不违反规范条款的情况下分享这个公式，但你可以在这里获得规范：https://www.iso.org/standard/43896.html
特里·沃维克，微软
我正在寻找某种可用的公式来确定我可以在不大于给定宽度的 Code 128 条码上容纳多少数据。用例是一个腕带，上面印有条形码。
要使所有内容都可见，最小栏是否有最小尺寸要求？是否有可用的大小比例（即 "Z takes up x times more space than 0"）？我看到 Code 128 支持对数字字符串进行压缩。消除字母字符会带走更多数据，但这样做最终会得到相同宽度的更多数据吗？
编辑：随着数字字符串的压缩，解决方案是只测试 10、12、15 等字符串。我们决定使用 12，因为这对我们的使用来说绰绰有余，并且在 1 英寸的腕带上非常容易扫描，每侧留出 10% 的空间。如果有人有洞察力，我仍然对请求的信息感兴趣。
所有字符的相对宽度都相等。代码 128C 允许您将两个数字放入一个字符中，但如果您需要混合和匹配数字和字母，则需要始终让两对或更多对数字连续，以使开关字符增加的负担是值得的。
达到一定高度后，垂直尺寸无关紧要，具体取决于扫描仪。
字符的宽度与其可扫描性成正比，并取决于生成器软件、硬件和打印介质。
我用每英寸字符数测量密度，使用喷墨打印机，我每可扫描英寸可以打印大约 15½ 个字符。将它们包装得更密集，我怀疑我需要一台更好的打印机，也许还需要一台更好的扫描仪。
这是在 Code128B 中以 15.6 cpi 编码的 40 个字符的字符串（43 个字符，包括开始、检查和停止）。
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@Alex DeCamillo,
Code 128 符号体系的 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空白区来计算总宽度。您还可以将其与恒定宽度一起使用，以计算最小元素等所需的宽度。不幸的是，我无法在规范之外找到这个公式，所以我不能在不违反规范条款的情况下分享这个公式，但你可以在这里获得规范：https://www.iso.org/standard/43896.html
特里·沃维克，微软