Geographic Information Sharing and Publishing Service Platform

1、 Platform Overview

Provide a one-stop tool for updating, storing, mapping, publishing, and integrated management of spatiotemporal data (including heterogeneous spatiotemporal data), achieving unified management and application of spatiotemporal information, and adapting to the needs of massive, multi type data production and management, as well as frequent data updates. The system mainly includes functions such as directory and spatiotemporal data management, map management, service management, input and output, query statistics, data visualization, metadata management, and system and security management.

2、 Platform architecture

3、 Platform functions

• Space time data management

Through the form of a resource directory, data management is achieved, with each type of data corresponding to a data source and each layer corresponding to a dataset. The system provides operations for adding, deleting, and modifying data sources, datasets, and field information to manage and maintain data resources.

• Service Management

Map data is published as corresponding map services for sharing by web or other users. The system provides functions for publishing, registering, and viewing services. Users can publish maps with pre configured styles as standard services (such as WMTS, REST, SFS, WMS, WFS, etc.) to support various applications on the platform's web end.

• query statistics

Support the ability to query and retrieve spatiotemporal information of different time periods, types, and regions based on time, attributes, space, or their combination conditions, and extract and statistically analyze it; Support the function of querying 3D model data; The function of directory retrieval for 3D model data; The function of quickly locating based on search results.

• Data visualization:

Support the combination, stacking, symbolic display, and browsing functions such as zooming in, zooming out, roaming, front view, and back view of multi temporal data, and can simulate changes through animation, dynamic symbols, and colors; Support the display of 3D model data, and to improve system performance, it is advisable to support dynamic loading of models; Equipped with 3D roaming function, it is recommended to support drag, slide, and flight modes; Support multi perspective browsing, including head up, upward, and downward angles.

• metadata management

Manage metadata templates, dataset metadata, etc.

1. Metadata template management: Metadata templates refer to XML type files that define n nodes and are used to describe various attribute information of dataset metadata, such as data source, data production department, data production date, responsible person, and so on. This function is designed to manage the content of metadata templates, allowing for the creation or modification of data descriptions. It supports the import, export, editing, and deletion of metadata templates.

2. Dataset metadata management: Add and modify various detailed data descriptions of the dataset, which supports the import, export, and viewing of dataset metadata.