Click on the Wizard button to the right of X Dimension. This feature can be found in the properties of the barcode on the Symbology and Size page. Although a picture object can be scaled to any dimension desired, it will result in a poor quality barcode and may be unreadable by a barcode scanner.īarTender allows you to specify a target x-dimension of your barcode, which will tell BarTender to always render your barcode as close to the target x-dimension as possible. We do not advise that you try working around this physical limitation of the printer by exporting the barcode object as a graphic and then importing it back into your design as a picture object. The higher the resolution of the printer, the smaller these increments will be, because the size of a single dot will be smaller. This accounts for the "jumping" in the barcode's width when you increase the X-dimension. Suppose the narrowest element is 1 dot wide and the widest element is 10, when we increase the X-dimension by 1 so that the narrow element is 2, the widest element will now be 20. Of course all wider barcode elements grow in ratio to this. The printer resolution is important because it's impossible to increase the narrowest elements by fractions of a dot it can only increase by a full extra dot. Each step up of the X-dimension increases the narrowest element by a single dot. A dot represents the size of the smallest mark the printer can print. The size of the dot and the X-dimension are determined by the selected printer's resolution. Printer resolution determines available sizes As a result, all other bars of greater width grow in ratio to the narrowest bar as you expand the barcode's width, which is what causes the "jump." In general, when specifying a barcode scanner, giving the scanner manufacturer information regarding the code density and the printing process will minimize any potential scanning problems.The X-dimension setting of a barcode specifies the width of the barcode this, in fact, adjusts the number of dots a printer uses for the width of the narrowest element of the barcode. In this case a very narrow aperture could see the individual dots, and spaces between the dots, causing a misread of the code. For example a low density code may be printed with a dot matrix printer. However, low density codes are not, in many cases, printed with the same quality or the same printing methods as high density codes. The same narrow aperture could theoretically be used to read low density codes also. Note: To find the overall bar code width. Obviously a very narrow reading aperture is necessary to read high density codes. The allowable magnification range for an EAN-13 Barcode Symbol is POS 80 200 (X-dimension 0.26mm-0.66mm). Usually barcode reading optics are not designed to read all code densities. Codes with X-Dimensions between 0.01 and 0.025 inch are considered to be medium density and codes with larger X-Dimensions are considered to be low density. Codes with an X-Dimension of less than 0.01 inch are considered to be high density codes. This is also referred to as the code's X-Dimension. In our end of the business we usually always measure code density by the width of the narrow element. In a 1D barcode the X dimension, in conjunction with the narrow-to-wide ratio of bars and spaces, and the amount of encoded data, determines the physical size of the entire barcode and its quiet zones. In both symbol types, the X dimension is the basic building block of the symbol. When we talk about barcode printing density we usually refer to it in one of two ways, either by the size of the narrow element in the code or the number of characters that can be encoded per inch of code length. In a 2D symbol the X dimension is called an element or module. In general, a middle-of -the-road figure of 2.5:1 is used as the nominal printing specification. Generally this is between 2.2:1 to 3.0: 1. Most code specifications specify a range for the ratio of the wide to narrow elements. Since there are both wide and narrow elements (a bar or space is an element), lets talk first about how much wider the wide elements are than the narrow ones. The length of the symbol from first bar to last depends directly on the width of the individual elements in the code. What is meant by Code Density or X-Dimension?īoth have to do with how much space the printed barcode symbol takes up.
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