Alternating type online statistical map generation and releasing device and method thereof

A technology of map generation and release device, applied in the directions of map/plan/chart, calculation, special data processing application, etc., can solve the problems of backwardness, high software cost, failure to realize user map generation and release, etc., and achieve convenient access to statistics effect of data

Inactive Publication Date: 2009-12-02
INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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Problems solved by technology

Based on the analysis of current web services, distributed computing and other related technologies and software architecture models, it is found that current users have the following problems in the acquisition and application of statistical data: First, the published data is generally carried out through two-dimensional tables or single statistical charts However, the chart method cannot reveal the spatial characteristics of the statistical units very well. Therefore, the spatialized statistics and expression of industry statistical data, and the visual expression of the regional differences and distribution characteristics of the data are important to improve the spatial cognition level of the industry. It is extremely important; the second is that the way of data release is r

Method used

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  • Alternating type online statistical map generation and releasing device and method thereof
  • Alternating type online statistical map generation and releasing device and method thereof
  • Alternating type online statistical map generation and releasing device and method thereof

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specific Embodiment approach

[0108] (1) Hierarchical mapping

[0109] In traditional hierarchical cartography, firstly, the entire layer’s primitive data is graded and filtered according to the value range of the statistical data item, and then the primitives under each filtering condition are rendered with the same display style attribute value for symbol rendering. There are many defects in this method. One is to use multiple style rules to complete multiple classifications. Since each style rule contains its own symbol rendering process, and multiple rules must correspond to multiple data query and filtering operations, therefore, If there are too many levels, the efficiency of the program will be very low; but for combining and grading multiple style attribute values, the traditional method must include more filter conditions, such as: a point layer, if you need to use 4 symbol sizes, If 5 geometric shapes and 6 symbol colors are used for rendering, 120 style rules need to be generated, corresponding ...

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Abstract

The invention discloses an alternating type online statistical map generation and releasing device and a method thereof; the device comprises a statistical composite element resource generation module, a statistical graphic processing module and a statistical map release processing module, wherein the statistical composite element resource generation module is used for generating a statistical element resource library according to input statistical attribute data and statistical unit base spatial data; the statistical graphic processing module carries out hierarchical layer description and statistical layer description respectively according to data input by the statistical element resource library, a set thematic statistical symbol script library and a color scheme library and is combined with a base map layer resource library and uses a layer resource ID as an identifier to carry out combined processing so as to generate the statistical map resource library; and the statistical map release processing module is used for providing a user requirement customization input interface and generating and outputting statistical map data customized by a user according to data input by the user requirement customization input interface.

Description

technical field [0001] The invention belongs to the technical field of geographic information statistics, and in particular relates to an Internet-based interactive statistical map generation and distribution device and method. Background technique [0002] With the further popularization and application of computer network technology and the continuous penetration of computer Internet into people's production and life, the traditional data publishing, sharing and application modes have undergone great changes. [0003] For the statistical industry, the statistical agency regularly publishes the national industry statistics by province, prefecture, county, and even township by administrative division and industry statistics by regional geographic characteristics through printing and publishing, CD-ROMs, and network downloads. . Based on the analysis of current web services, distributed computing and other related technologies and software architecture models, it is found th...

Claims

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Application Information

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IPC IPC(8): G06F17/30G09B29/00
Inventor 王英杰罗斌余卓渊李洪省
Owner INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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