CN108269303A - A kind of three-dimensional weather radar display methods - Google Patents
A kind of three-dimensional weather radar display methods Download PDFInfo
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- CN108269303A CN108269303A CN201711400070.6A CN201711400070A CN108269303A CN 108269303 A CN108269303 A CN 108269303A CN 201711400070 A CN201711400070 A CN 201711400070A CN 108269303 A CN108269303 A CN 108269303A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/05—Geographic models
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/95—Radar or analogous systems specially adapted for specific applications for meteorological use
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/04—Display arrangements
- G01S7/06—Cathode-ray tube displays or other two dimensional or three-dimensional displays
- G01S7/20—Stereoscopic displays; Three-dimensional displays; Pseudo-three-dimensional displays
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/10—Geometric effects
- G06T15/20—Perspective computation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10032—Satellite or aerial image; Remote sensing
- G06T2207/10044—Radar image
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Theoretical Computer Science (AREA)
- Geometry (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Graphics (AREA)
- Software Systems (AREA)
- Electromagnetism (AREA)
- Computing Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
- Processing Or Creating Images (AREA)
Abstract
Technical scheme of the present invention includes a kind of three-dimensional weather radar display methods, is used to implement：The PPI formatted datas of weather radar acquisition are obtained, PPI formatted datas are converted into CAPPI formatted datas and are stored；CAPPI data are carried out by Surface scan, obtain the three-dimensional coordinate point for needing to record；After the three-dimensional coordinate point of record is handled using three-dimensional function library and line is carried out, obtains the threedimensional model of meteorological chart, and threedimensional model is shown in display device.Beneficial effects of the present invention are：The surface for only showing a three-dimension object on the screen, greatly reduces the resource consumption of computer display card, and can be to avoid the aberration generated due to perspective.Using the method for vertical arrangement, meteorologist can equally be visually observed that the variation inside gas field as traditional perspective.
Description
Technical field
The present invention relates to a kind of three-dimensional weather radar display methods, belong to field of computer data processing.
Background technology
The reflectogram of weather radar is that meteorologist analyzes meteorological data, the important evidence for judging and predicting.Tradition
Meteorological radar echo figure can all be divided into PPI (plane position indicator), CAPPI (constant altitude PPI), RHI (away from
From ammeter) etc. two dimensional modes.It is all played in the process that these figures are analyzed in meteor extremely important
Effect.But meteor the phenomenon that being a three-dimensional in fact process, all two-dimentional display methods are that the phenomenon is a certain
The display of section.So two-dimentional explicit representation can not the variation of the entire meteorological process of display completely within a same time.It is existing
With the progress of the progress of computer technology, especially Three-dimensional Display ability, three-dimensional meteorological display has become one kind can
Energy.
Three-dimensional Display method is general in practical application all to be occurred on the screen with the pattern of a perspective.Same side
Position, the data of different colours are mixed to get a final color by Alpha and are then displayed on the screen.It is this traditional saturating
Depending on method, there are two shortcomings.First, all details all show the unusual anxiety so that the capacity of computer video memory seems.The
Two, final color value is influenced by the mixing of Alpha channels so that the color of internal layer can occur compared with practical color value
Certain misalignment.In other words, different feelings is visually had by the mixed inner layer color values of Alpha,
Affect judgement of the meteorologist to actual conditions.
Invention content
In view of the deficiencies of the prior art, technical scheme of the present invention provides a kind of three-dimensional weather radar display methods, uses
In solution the deficiencies in the prior art in fact.
Technical scheme of the present invention includes a kind of three-dimensional weather radar display methods, which is characterized in that this method includes：A.
The PPI formatted datas of weather radar acquisition are obtained, PPI formatted datas are converted into CAPPI formatted datas and are stored；B. it is right
CAPPI data carry out, by Surface scan, obtaining the three-dimensional coordinate point for needing to record；C. the three-dimensional coordinate point of record is used into three-dimensional letter
After number library is handled and line is carried out, obtains the threedimensional model of meteorological chart, and threedimensional model is shown in display device.
According to the three-dimensional weather radar display methods, the step A is further included：Obtain the PPI of weather radar acquisition
The meteorological data of form；The meteorological data of PPI forms is converted to the rectangular coordinate system of CAPPI forms, and is stored, wherein
The coordinate limiting value of CAPPI is cuboid.
According to the three-dimensional weather radar display methods, the step B is further included：CAPPI data swept by face
It retouches, and records the coordinate points for needing value to be shown；The coordinate points of record are analyzed and processed, are located at marginal position including retaining
Point coordinates, and delete remaining coordinate value.
According to the three-dimensional weather radar display methods, the step C is further included：It will treated by analysis coordinate
Point input trigonometric function library, and then the three-dimensional meteorologic model being made of coordinate points line is generated, wherein the trigonometric function library used
Including but not limited to OpenGL and D3D.
In a preferred embodiment, this method further includes：Color filling processing is carried out to threedimensional model surface simultaneously
It is shown using display device.
In a preferred embodiment, this method further includes：If it is aobvious to have detected that multiple three-dimensional meteorologic models need
When showing, then recycle and perform step B and step C until all threedimensional models are shown in the display device specified.
Beneficial effects of the present invention are：The surface for only showing a three-dimension object on the screen, can greatly reduce in this way
The resource consumption of computer display card, and can be to avoid the aberration generated due to perspective.It is meteorological using the method for vertical arrangement
Scholar can equally be visually observed that the variation inside gas field as traditional perspective.
Description of the drawings
Fig. 1 show the overview flow chart according to embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, it is right in the following with reference to the drawings and specific embodiments
The present invention is described in detail.The three-dimensional weather radar display methods of the present invention is suitable for the display of meteorological data.
Fig. 1 show the overview flow chart according to embodiment of the present invention.Its is specific as follows：
All data sent by PPI forms are converted to the rectangular coordinate system in the form of CAPPI to store.
The coordinate extreme value of CAPPI can be defined as a cuboid；
Value scanning is proceeded by from the CAPII slices of lowermost layer, it would be desirable to which the coordinate record of the value of display gets off.It records
Numerical value after coming carries out coordinate analysis processing, only retains the point coordinates positioned at marginal position, remaining coordinate value is all deleted；
Say that all three-dimensional coordinate points recorded are input into three-dimensional function library, it is established that one is connected by these three-dimensional coordinate points
The threedimensional model that line obtains carries out color filling operation to the surface of this threedimensional model, and if there is multiple designated values, then first 2 walk
Suddenly, the threedimensional model of each designated value is identified, be displayed on the screen.
The above, only presently preferred embodiments of the present invention, the invention is not limited in the above embodiment, as long as
It reaches the technique effect of the present invention with identical means, should all belong to the scope of protection of the present invention.In the protection model of the present invention
Its technical solution and/or embodiment can have a variety of different modifications and variations in enclosing.
Claims (6)
1. a kind of three-dimensional weather radar display methods, which is characterized in that this method includes：
A. the PPI formatted datas of weather radar acquisition are obtained, PPI formatted datas are converted into CAPPI formatted datas and are stored；
B. CAPPI data are carried out by Surface scan, obtains the three-dimensional coordinate point for needing to record；
C. after the three-dimensional coordinate point of record is handled using three-dimensional function library and line is carried out, obtains the three-dimensional mould of meteorological chart
Type, and threedimensional model is shown in display device.
2. three-dimensional weather radar display methods according to claim 1, which is characterized in that the step A is further included：
Obtain the meteorological data of the PPI forms of weather radar acquisition；
The meteorological data of PPI forms is converted to the rectangular coordinate system of CAPPI forms, and is stored, wherein the coordinate of CAPPI
Limiting value is cuboid.
3. three-dimensional weather radar display methods according to claim 1 or 2, which is characterized in that the step B is further included：
CAPPI data are carried out by Surface scan, and record the coordinate points for needing value to be shown；
The coordinate points of record are analyzed and processed, including retaining the point coordinates positioned at marginal position, and delete remaining coordinate
Value.
4. the three-dimensional weather radar display methods according to claim 1 or 3, which is characterized in that the step C is further included：
Will treated by analysis coordinate points input trigonometric function library, and then it is meteorological to generate the three-dimensional being made of coordinate points line
Model, wherein the trigonometric function library used includes but not limited to OpenGL and D3D.
5. three-dimensional weather radar display methods according to claim 4, which is characterized in that this method further includes：
Color filling processing is carried out to threedimensional model surface and is shown using display device.
6. the three-dimensional weather radar display methods according to claim 1 or 4, which is characterized in that this method further includes：
If detected that multiple three-dimensional meteorologic models need display, recycle and perform step B and step C up to all three-dimensionals
Model is shown in the display device specified.
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| CN201711400070.6A CN108269303B (en) | 2017-12-22 | 2017-12-22 | Three-dimensional meteorological radar display method |
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| CN201711400070.6A CN108269303B (en) | 2017-12-22 | 2017-12-22 | Three-dimensional meteorological radar display method |
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| CN108269303B CN108269303B (en) | 2021-08-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940978A (en) * | 2019-12-09 | 2020-03-31 | 上海眼控科技股份有限公司 | Radar PPI image display method and device, electronic equipment and storage medium |
| CN111025299A (en) * | 2019-12-09 | 2020-04-17 | 上海眼控科技股份有限公司 | Image display method, device and equipment of radar detection data and storage medium |
| CN111736154A (en) * | 2020-06-22 | 2020-10-02 | 太极计算机股份有限公司 | Construction method and display method of three-dimensional meteorological radar echo model |
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|---|---|---|---|---|
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| CN111025299A (en) * | 2019-12-09 | 2020-04-17 | 上海眼控科技股份有限公司 | Image display method, device and equipment of radar detection data and storage medium |
| CN111736154A (en) * | 2020-06-22 | 2020-10-02 | 太极计算机股份有限公司 | Construction method and display method of three-dimensional meteorological radar echo model |
| CN111736154B (en) * | 2020-06-22 | 2023-09-15 | 太极计算机股份有限公司 | Construction method and display method of three-dimensional weather radar echo model |
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| CN108269303B (en) | 2021-08-24 |
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Address after: No.2 Gangle Road, Tangjiawan Town, Zhuhai City, Guangdong Province 519080 Applicant after: Guangdong Narui Radar Technology Co.,Ltd. Address before: No.2 Gangle Road, Tangjiawan Town, Zhuhai City, Guangdong Province 519080 Applicant before: Zhuhai Naruida Technology Co.,Ltd. |
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