Layer using method

Abstract

The invention discloses a layer use method, which comprises the following steps of: S11, calling a unified layer loading method, and introducing standardized parameters and judgment variables; s12, judging a layer resource acquisition mode through the layer type field of the standardized parameter; s13, carrying out the preprocessing of the layer resources; and S14, judging a specific layer rendering mode through the layer type parameters. According to the method, the same method is called for displaying all types of map resources, so that the understanding of a user on professional concepts of the map and various layers is converted into the understanding on standard parameters. According to the method, each field of the standard parameters is judged, and the corresponding subsequent loading / removing process is automatically carried out, so that secondary development of common developers on the map framework is greatly reduced. The method has the advantages of being simple in code, convenient to use, high in reuse rate, high in flexibility and the like, is more suitable for front-end developers without GIS knowledge, and can be widely applied to rapid construction of map modules in various service fields.

Description

technical field [0001] The invention relates to the technical field of GIS, in particular to a method for using layers. Background technique [0002] With the comprehensive development of GIS technology, it has gradually become an important branch of the information industry. Among them, Web GIS (WebGIS) is widely used in resources, environment, Land, real estate, transportation and government offices and many other fields. Mapmost is a front-end map framework that supports loading of raster, vector and other map services, flexible front-end style customization and rendering, and integrates 3D scenes. It has become the best WebGIS technology route choice in production. [0003] At present, map modules are widely used in a variety of business scenarios, but the demand for map functions is relatively fixed. The current production model easily leads to repeated development of map functions, inconsistent functions and styles, and difficult maintenance. [0004] At the same tim...

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Problems solved by technology

[0003] At present, the map module is widely used in various business scenarios, but the demand for map functions is relatively fixed. The current production model is likely to cause repeated development of map functions, inconsistent functions and styles, and difficult maintenance.

[0004] At the same time, the use of geographic data and map resources requires developers to have strong professional knowledge, and the threshold for using existing technologies is high; if you need to take advantage of its front-end style customization and 3D scene rendering, you need to invest in higher learning costs

[0005] Secondly, in the map container, the rendering language (WebGL) of geographic elements is different from the rendering language (HTML-DOM) of the common front-end, which makes the interaction between developers and clients more difficult.

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