Method for associating unstructured navigation book table and electronic chart
An unstructured, electronic chart technology, applied in the direction of unstructured text data retrieval, file access structure, electronic digital data processing, etc. problems, to achieve the effect of improving retrieval efficiency, promoting informatization capabilities, and reasonable design
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[0030] The implementation of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0031] A method for associating unstructured navigation books and electronic charts, comprising the following steps:
[0032] Step 1. Split and number the navigation book form PDF file according to the hierarchical structure of chapters. Numbers are used for numbering, and every two digits represent a chapter level, and 0 is added at the beginning of the actual lack of two digits; the length of the number is fixed at the deepest level to be processed × 2, that is, the first two digits represent the first-level chapter number, and the next two digits represent the second Level chapter number, and so on; if the current chapter does not contain sub-chapters, the subsequent code assignment will be "00"; the split content corresponding to the current chapter does not contain sub-chapters; create a PDF file according to the minimum pages cover...
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