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Oblique modeling data based two and three dimensional integration method and system

A modeling data, three-dimensional technology, applied in the field of geographic information systems, can solve the problems of inability to separate multiple scenes, application limitations, and independent models.

Inactive Publication Date: 2015-04-22
BEIJING SUPERMAP SOFTWARE CO LTD
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Problems solved by technology

[0003] However, compared with traditional modeling, the oblique photographic model cannot be directly integrated, that is, it cannot separate multiple consecutive scenes into independent models, but only continuous slice data
As a result, oblique photographic modeling data can only be used for overall display at present, and its application in GIS is greatly limited

Method used

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  • Oblique modeling data based two and three dimensional integration method and system
  • Oblique modeling data based two and three dimensional integration method and system
  • Oblique modeling data based two and three dimensional integration method and system

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Embodiment Construction

[0054] In order to make the above objects, features and advantages of the present application more obvious and comprehensible, the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0055] figure 1 It is a flow chart of an embodiment of the 2D and 3D integration method based on inclined modeling data of the present application, and the method includes:

[0056] In step S10, load oblique photographic modeling data and its matching vector surface data;

[0057] Oblique photography refers to images acquired by aerial cameras with a certain inclination angle. Oblique photography technology is a high-tech developed in the field of international surveying, mapping and remote sensing in recent years. By carrying multiple sensors on the same flight platform and collecting images from different angles such as vertical and oblique, more complete and accurate information on ground objects can...

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Abstract

The invention provides an oblique modeling data based two and three dimensional integration method and system. The oblique modeling data based two and three dimensional integration method comprises the steps of loading oblique photograph modeling data and vector face data matched with the oblique photograph modeling data, showing the oblique photograph modeling data as a three dimensional scene, selecting a vector face in the vector face data and displaying the vector face on the three dimensional scene in a superposed mode. By means of the oblique modeling data based two and three dimensional integration method and system, the oblique photograph modeling data are permitted to be highlighted and subjected to other protruded display through vector face and three dimensional scene superposed two and three dimensional integration, monomerization is achieved, and the problem that a GIS established according to the oblique photograph modeling data by means of correlation techniques cannot be monomerized is solved.

Description

technical field [0001] The present application relates to the technical field of geographic information systems, in particular, to a method and system for integrating 2D and 3D based on oblique modeling data. Background technique [0002] With the continuous development of surveying and mapping technology, new GIS (Geography Information System, geographic information system) basic data production methods continue to emerge, and the production technology of 3D models is also changing with each passing day. The oblique image model is a good example. To reduce labor costs and improve production efficiency, city-level model building tasks are gradually replaced by oblique photography. [0003] However, compared with traditional modeling, the oblique photographic model cannot be directly integrated, that is, it cannot separate multiple consecutive scenes into independent models, but only continuous slice data. As a result, oblique photographic modeling data can only be used for ...

Claims

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Application Information

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IPC IPC(8): G06F17/30G06T17/00
CPCG06T17/05G06F16/29
Inventor 冯振华曾志明杨洋高峰张文燕王博黄骞张帅李凯李濛
Owner BEIJING SUPERMAP SOFTWARE CO LTD
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