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Map visualization method and device and computer readable storage medium

A computer program and map technology, used in map visualization devices, computer-readable storage media, and map visualization fields, can solve problems such as fatigue, high data structure requirements, and large bandwidth occupation.

Pending Publication Date: 2019-10-29
ZICT TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In related technologies, when drawing a map that needs to reflect the flow direction of the river, the traditional map visualization method is often weak. The usual method is to use arrow symbols to mark, which is not beautiful enough, or the algorithm of particle motion is complicated, or input data Including spatiotemporal attributes (time variables and space variables), which makes the dynamic visualization method of linear river elements complex, requires high data structure, and occupies a large bandwidth

Method used

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  • Map visualization method and device and computer readable storage medium
  • Map visualization method and device and computer readable storage medium
  • Map visualization method and device and computer readable storage medium

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Embodiment Construction

[0034] In order to more clearly understand the above objects, features and advantages of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0035] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

[0036] figure 1 A schematic flowchart of a map visualization method according to an embodiment of the present invention is shown.

[0037] Such as figure 1 As shown, the map visualization method according t...

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Abstract

The invention provides a map visualization method and device and a computer readable storage medium, and the method comprises the steps: carrying out the interpolation processing of a first line element formed by a plurality of pieces of vector data, obtaining an interpolated line element, and recording the interpolated line element as a second line element; determining points in the second line element according to the vector data and interpolation processing, and generating particles according to the points in the second line element; and controlling the position parameters of the particlesto be unchanged, and adjusting the display state parameters of the particles. By means of the technical scheme, dynamic visualization of the number of the map lines is achieved, the dynamic effect isvivid and changeable, the requirement for the data structure is low, and position parameters are easy to calculate.

Description

technical field [0001] The present invention relates to the field of dynamic visualization, in particular to a map visualization method, a map visualization device and a computer-readable storage medium. Background technique [0002] Map visualization is a core content in modern cartography. It visualizes the data or the results of data analysis on the digital map to help users intuitively understand the content of the map. For example: with the support of visualization technology, time-related variables are used as independent visual parameters of geographic information graphics to draw the flow direction of rivers, so that users can intuitively see the flow direction of rivers. [0003] In related technologies, when drawing a map that needs to reflect the flow direction of the river, the traditional map visualization method is often weak. The usual method is to use arrow symbols to mark, which is not beautiful enough, or the algorithm of particle motion is complicated, or...

Claims

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Application Information

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IPC IPC(8): G06T17/05
CPCG06T17/05G06T2210/56
Inventor 唐新波李付群
Owner ZICT TECH CO LTD
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