Method for displaying extra-large page digital publication original graph

A digital publishing and page technology, applied in the direction of electronic digital data processing, digital output to display equipment, input/output process of data processing, etc., can solve problems such as difficult to support effectively

Active Publication Date: 2018-04-13
CHANGAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is still the case for general digital publishing original images, and it is difficult to effectively support the existing technologies and methods for digital publishing original images with large pages

Method used

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  • Method for displaying extra-large page digital publication original graph
  • Method for displaying extra-large page digital publication original graph
  • Method for displaying extra-large page digital publication original graph

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Embodiment Construction

[0062] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, not for limit the invention.

[0063] see figure 1 , the method for displaying the original picture of super-large page digital publishing of the present invention comprises the following steps:

[0064] Step 1: Use the commercial software Adobe Illustrator CS6 to save the full-image file of the original digital publication in EPS format as a full-image file of the original digital publication in PDF format, and export the full-image JPEG image. Specific steps are as follows:

[0065] First, determine the type of the original image file for digital publishing in EPS format. If it is a color-sepa...

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Abstract

The invention discloses a method and a system for displaying an extra-large page digital publication original graph. The method comprises the steps that an EPS-format digital publication original graph total-graph file is stored as a PDF-format digital publication original graph total-graph file, and a total-graph JPEG image is exported; meshing is performed on a PDF-format digital publication original graph total-graph page, and meshing parameters are calculated; clipping processing is performed on graphic primitives, and a digital publication original graph PDF tile file is generated; a tiledata table and a mesh parameter list are created; the digital publication original graph total-graph JPEG image is displayed in a full-screen mode, and a PDF document cache is created; and a digitalpublication original graph PDF tile package is displayed, and a digital publication original graph display resolution is calculated and utilized to control scheduling of a display data source. Throughthe method and the system, map display speed is increased, the problems that the requirement on hardware performance is high and user reading experience is poor when extra-large page EPS data is displayed are solved, and the method is provided for displaying the extra-large page digital publication original graph.

Description

technical field [0001] The invention belongs to the technical field of displaying PDF and EPS files, and in particular relates to a method for displaying original images of super-large-page digital publishing. Background technique [0002] Maps are widely used in economic, social, cultural, military and other industries, and map publishing has gradually shifted from printing to electronic publishing. The original image for digital publishing is the basic base image stored in a print-oriented EPS file for making map layout films, which usually takes up a large storage space. For example, the EPS file size of a small-scale topographic map is about 30M, and the EPS file size of the combined version exceeds 100M; the EPS file size of a national thematic map is often more than 200M. Due to the large size of EPS files and the large number of graphic objects on the page, there are usually two ways to display the original digital publishing images. One is to use mature commercial s...

Claims

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Application Information

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IPC IPC(8): G06F3/14G06T1/00
CPCG06F3/1407G06T1/0007G06T2200/16
Inventor 孟妮娜周校东
Owner CHANGAN UNIV
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