Method for exhibiting spatial field intensity results in three-dimensional mode
A three-dimensional scene and three-dimensional technology, applied in the field of displaying the results of the spatial field strength in a three-dimensional mode, can solve the problems of inaccurate expression of the actual results of the spatial field strength, no effect, boring display, etc.
Active Publication Date: 2009-11-18
TERRA DIGITAL CREATING SCI & TECH (BEIJING) CO LTD
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Problems solved by technology
This display method cannot well express the influence of three-dimensional objects such as houses, trees, and mountains on the field strength of the space in the actual space. For non-professional users, this display is boring, and there is no expected effect in the mind after watching it.
Although there have been attempts to import the field strength display result map into the 3D GIS scene in image format through the digital terrain model (DTM), the field strength display result layer is attached to the DTM, but for the buildings on the DTM, the field strength display The result map is only displayed on the bottom of the building, and cannot accurately express the actual result of the space field strength
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Embodiment 1
[0013] First, determine the calculation area A.
[0014] The first step: make the DTM of area A, establish the 3D GIS foundation-DTM according to the actual situation of area A, based on the 3D geographic information display platform, and synthesize the 3D terrain with real coordinates and undulations by integrating aerial or satellite photos of scenic spots and DEM data , and then by loading 3D models, text annotations, vector data and other materials, construct a 3D scene of area A. For the topography, landforms, and features of key areas of concern, high-resolution data can be used to construct a detailed and realistic 3D scene;
[0015] Step 2: Make a 3D real scene of area A, select an appropriate propagation model according to the actual topography of area A, calculate the spatial field strength of area A, generate the result data of spatial field strength distribution of area A, and then Import the spatial field strength distribution data results of area A into the 3D re...
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The invention discloses a method for exhibiting spatial field intensity results in a three-dimensional mode. Through five steps of manufacturing DTM, manufacturing a three-dimensional real scene, gridding the three-dimensional scene and matching coordinates, judging whether a building is at the position of the coordinates and exhibiting the three-dimensional field intensity results, the spatial field intensity results are exhibited in the three-dimensional mode. The method for exhibiting the spatial field intensity results in the three-dimensional mode realizes the effect that a field intensity result graph is attached to building drawing according to the intelligent exhibited spatial field intensity results of the building because the judgment whether the building is on the DTM is added.
Description
technical field [0001] The invention relates to a method for displaying spatial field strength results, in particular to a method for displaying spatial field strength results in a three-dimensional mode. Background technique [0002] At present, field strength results are mainly displayed in two-dimensional mode in systems such as electromagnetic compatibility and frequency planning. This display method cannot well express the influence of three-dimensional objects such as houses, trees, and mountains on the field strength of the space in the actual space. For non-professional users, this display is boring, and there is no expected effect in the mind after watching it. . Although there have been attempts to import the field strength display result map into the 3D GIS scene in image format through the digital terrain model (DTM), the field strength display result layer is attached to the DTM, but for the buildings on the DTM, the field strength display The result graph is ...
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IPC IPC(8): G06T17/50G06T17/05
Inventor 刘玲
Owner TERRA DIGITAL CREATING SCI & TECH (BEIJING) CO LTD