A dynamic arrow plotting method in military plot symbol plotting

Abstract

The invention provides a dynamic arrow plotting method in military plot symbol plotting. Two control points are calibrated in a three-dimensional geographic information system; generating other vertexdata of the arrow mark according to the two control points; the standard dynamic arrow and the standard dovetail dynamic arrow only need to perform vector transformation and color mapping on each vertex; for the attack type arrow mark, all vertexes are assigned through vertex data interpolation calculation and color mapping; According to the method, the arrow is subjected to triangular meshing, and finally, an increment of color transparency is added to the arrow needing to be rendered in the rendering process, so that the arrow plotted on a geographic information system has a dynamic effect,and a military commander can be more clearly assisted in making a battle plan. The three-dimensional dynamic rocket target display method is combined with a three-dimensional geographic information system with a real terrain for display, the effect of the three-dimensional dynamic rocket target is achieved in a simpler and faster rendering mode, and visual, rich and vivid battlefield situation information is provided for battlefield command and decision making.

Description

technical field [0001] The invention relates to the field of three-dimensional geographic information drawing, in particular to a method for drawing dynamic arrows in a three-dimensional geographic information system. Background technique [0002] Human beings are already in the information age, and information warfare has become an important combat method in the information age. In the future, a large number of information resources on the battlefield need to be presented to combat commanders in the form of digital maps. As a commonly used graphic symbol in military combat command, combat simulation and other military-related activities, the 3D military standard symbol is an indispensable medium for transmitting battlefield information. The plotting of military symbols provides intuitive, rich, and visual battlefield situation information for combat command and decision-making. There are various forms of irregular military symbol symbols, especially the use of irregular mil...

AI Technical Summary

Problems solved by technology

[0003] The method proposed by Zhao Zhou et al. to determine the geometric shape of the arrow using external input points, and then obtain the required arrow drawing method for each control point through the geometric parameters of the arrow and the arrow body, because too many points need to be input from the outside , it is difficult for cartographers to quickly and accurately draw arrow symbols on the map

At present, there are various drawing methods in the field of military standard drawing, and some drawing methods are too cumbersome, which limits the operation of the mappers, and the drawn military standard symbols are displayed statically in the geographic information system, which cannot clearly represent the battlefield situation information , especially combat intentions, intentions and trend information, so it is very meaningful to simplify the operation of plotters and the research of dynamic military standards

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