CN109658462A - The QuickDraw method and system of magnanimity discrete data based on Qt - Google Patents
The QuickDraw method and system of magnanimity discrete data based on Qt Download PDFInfo
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- CN109658462A CN109658462A CN201710941743.2A CN201710941743A CN109658462A CN 109658462 A CN109658462 A CN 109658462A CN 201710941743 A CN201710941743 A CN 201710941743A CN 109658462 A CN109658462 A CN 109658462A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/001—Texturing; Colouring; Generation of texture or colour
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/20—Drawing from basic elements, e.g. lines or circles
- G06T11/206—Drawing of charts or graphs
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Abstract
The QuickDraw method and system for the magnanimity discrete data based on Qt that the invention discloses a kind of.This method comprises: the discrete data based on preparation, carries out regularization processing to discrete data；Rule-basedization processing, creates the list of the custom colors scheme of discrete data；Create extra buffer；The position of computation ruleization treated position and drawing area of the discrete data in the list of custom colors scheme；The drawing image in extra buffer；The image of extra buffer is copied into window member.The advantage is that: accelerating plotting speed for the method that software design directly operation pixel data combination screen back buffer area draws, improving the software operation response time；It is found out from large-scale unordered seismic data and is hidden in data distribution rule therein, improve the efficiency for seeking and determining oil and gas deposit.
Description
Technical field
The present invention relates to field of seismic exploration, more particularly, to a kind of rapid drawing of magnanimity discrete data based on Qt
Drawing method and system.
Background technique
As oil and gas exploration object becomes increasingly complex, surveying accuracy require it is higher and higher, seismic data acquisition and
The data volume of processing is also increasing.However, relative earthquake data processing technique, visualization means remain in the simple of early stage
Data processing stage much lags behind the development of seismic data acquisition, has been unable to satisfy the essence of current exploration process object
Degree and depth requirements.How to improve and improve Seismic Data Processing Technique and related data graphical display technics has become current object
Visit matter of utmost importance urgently to be resolved in work.Meanwhile the high speed processing ability of modern computer how is utilized, improve seismic data
Processing accuracy enriches existing graphical display technics, and major issue in the urgent need to address at present.So far, both at home and abroad
Numerous geophysical prospecting for oil companies, institute, related colleges and universities have put into a large amount of fund and technical force, are dedicated to ground
It shakes data processing and visualizes the research of the relevant technologies.
The display of seismic data figure contains the coordinate system of seismic data, wave plotting table, grayscale mode display figure
Shape, color mode show the related display and processing of figure, FK filtering, spectrogram, speed spectrogram etc. and graphical interaction.Over the ground
Shake data two-dimensional visualization modeling be exactly how correlated digital information is shown on two-dimensional surface, by point (collection), line,
The basic geometric figures such as geometrical curve, face combine, so that it may on two-dimensional surface image display enrich comprehensive earthquake number it is believed that
Breath.
Using computer graphics and image processing techniques, by collected during seismic prospecting it is extensive, from
The data dissipate, being abstracted are handled, and are then intuitively shown on computers or are exported respective graphical, image, and provide interaction
Property man-machine interface, analyze geological structure distribution for related technical personnel, lithologic character and oil and gas deposit provide detailed technology according to
According to accelerate mineral exploration process, the development for industrial gas oil is vital.
Therefore, it is necessary to develop a kind of QuickDraw method and system of magnanimity discrete data based on Qt, sought for software
An efficient, quick magnanimity discrete data pattern drawing method is sought, by discrete, mixed and disorderly seismic data by processing
Reason, forms visual in image image using visual computer technology, is promoted by the research to image to architectonic reason
Solution, and found out from large-scale unordered seismic data and be hidden in data distribution rule therein, to substantially increase spy
It seeks and determines the efficiency of oil and gas deposit, there is far-reaching economic and social benefit.
The information for being disclosed in background of invention part is merely intended to deepen the reason to general background technique of the invention
Solution, and it is known to those skilled in the art existing to be not construed as recognizing or imply that the information is constituted in any form
Technology.
Summary of the invention
The QuickDraw method and system for the magnanimity discrete data based on Qt that the invention proposes a kind of, can pass through base
In the QuickDraw technology of the magnanimity discrete data of Qt, in conjunction with the display and interaction of π-Frame seismic processing soft ware platform
Feature, the seismic data visualization technique method of other related softwares of research and analysis seek one efficiently, quickly for software
Magnanimity discrete data pattern drawing method.
According to an aspect of the invention, it is proposed that a kind of QuickDraw method of the magnanimity discrete data based on Qt, described
QuickDraw method includes:
Discrete data based on preparation carries out regularization processing to the discrete data；
It is handled based on the regularization, creates the list of the custom colors scheme of the discrete data；
Create extra buffer；
It computation ruleization treated position of the discrete data in the list of the custom colors scheme and draws
The position of graph region；
The drawing image in extra buffer；
The image of the extra buffer is copied into window member.
Preferably, the QuickDraw method includes Interactive Visualization, and steps are as follows for the Interactive Visualization:
It creates the extra buffer, the picture material of image buffer is copied into the interim buffering when Interactive Visualization
Area；
It draws on the basis of the extra buffer, the picture material that the extra buffer is drawn replicates
To image buffer；
The image of described image buffer area is copied into window member.
Preferably, the QuickDraw method further includes that nonreciprocal is drawn:
When nonreciprocal is drawn, directly the picture material of described image buffer area is shown on the window member.
Preferably, drawing image includes: in the extra buffer
Calculate position of the sample value of the discrete data in the list of the custom colors scheme；
Calculate position of the sample value in the extra buffer.
Preferably, the discrete data of the preparation includes:
Define a structural body；
The path of the discrete data is obtained, is the structural body assignment；
Preferably, the structural body includes three one-dimension arrays and an integer variable.
Preferably, the creation extra buffer includes: and faces described in creation one is identical with the window member size
When buffer area.
Preferably, the discrete data drafting pattern picture includes: in the extra buffer directly to described image content
Pixel operated, assignment is carried out to the pixel of each described image content.
According to another aspect of the invention, it is proposed that a kind of QuickDraw system of the magnanimity discrete data based on Qt, institute
Stating QuickDraw system includes:
Memory is stored with computer executable instructions；
Processor, the processor run the computer executable instructions in the memory, execute following steps:
Discrete data based on preparation carries out regularization processing to the discrete data；
It is handled based on the regularization, creates the list of the custom colors scheme of the discrete data；
Create extra buffer；
It computation ruleization treated position of the discrete data in the list of the custom colors scheme and draws
The position of graph region；
The drawing image in extra buffer；
The image of the extra buffer is copied into window member.
Preferably, the QuickDraw system includes Interactive Visualization, and steps are as follows for the Interactive Visualization:
It creates the extra buffer, the picture material of image buffer is copied into the interim buffering when Interactive Visualization
Area；
It draws on the basis of the extra buffer, the picture material that the extra buffer is drawn replicates
To image buffer；
The image of described image buffer area is copied into window member.
A kind of QuickDraw method and system of magnanimity discrete data based on Qt of the invention, the advantage is that: due to
The requirement of real-time that seismic processing soft ware platform shows seismic data and interacts, caused by reducing mass data processing
The method for directly operation pixel data combination screen back buffer area drawing that delay has been software design, accelerates plotting speed,
Improve the software operation response time；Discrete, mixed and disorderly seismic data is passed through into working process, utilizes computer visualization skill
Art forms visual in image image, is promoted by research to image to architectonic understanding, and from large-scale unordered
It is found out in seismic data and is hidden in data distribution rule therein, to substantially increase the effect for seeking and determining oil and gas deposit
Rate has far-reaching economic and social benefit.
Method and system of the invention have other characteristics and advantages, these characteristics and advantages are attached from what is be incorporated herein
It will be apparent in figure and subsequent specific embodiment, or will be in the attached drawing and subsequent specific implementation being incorporated herein
It is stated in detail in example, these the drawings and specific embodiments are used together to explain specific principle of the invention.
Detailed description of the invention
Exemplary embodiment of the present is described in more detail in conjunction with the accompanying drawings, of the invention is above-mentioned and other
Purpose, feature and advantage will be apparent, wherein in exemplary embodiments of the present invention, identical appended drawing reference is usual
Represent same parts.
Fig. 1 shows a kind of the quick of magnanimity discrete data based on Qt of an exemplary embodiment according to the present invention
The flow chart of the step of drawing practice.
Fig. 2 shows a kind of schematic diagrames of double buffering graphics display mechanism of an exemplary embodiment according to the present invention.
Fig. 3 shows the π-Frame seismic processing soft ware platform of an exemplary embodiment according to the present invention certainly
The schematic diagram of dynamicization velocity analysis quality controlled attribute.
Specific embodiment
The present invention will be described in more detail below with reference to accompanying drawings.Although showing the preferred embodiment of the present invention in attached drawing,
However, it is to be appreciated that may be realized in various forms the present invention and should not be limited by the embodiments set forth herein.On the contrary, providing
These embodiments are of the invention more thorough and complete in order to make, and can will fully convey the scope of the invention to ability
The technical staff in domain.
The QuickDraw method for the magnanimity discrete data based on Qt that the invention proposes a kind of, the QuickDraw method include
Interactive Visualization, steps are as follows for Interactive Visualization:
Discrete data based on preparation carries out regularization processing to discrete data；
Rule-basedization processing, creates the list of the custom colors scheme of discrete data；
Create extra buffer；
Computation ruleization treated position and drawing area of the discrete data in the list of custom colors scheme
Position；
The drawing image in extra buffer；
The image of extra buffer is copied into window member.
Preferably, QuickDraw method includes Interactive Visualization, and steps are as follows for Interactive Visualization:
Extra buffer is created, the picture material of image buffer is copied into extra buffer when Interactive Visualization；
It draws on the basis of the extra buffer, the picture material that the extra buffer is drawn replicates
To image buffer；
The image of described image buffer area is copied into window member.
It wherein, is one structural body of data definition for needing drawing image, which includes three one-dimension arrays and one
A integer variable, three one-dimension arrays store the x needed for drawing, y-coordinate (xSeries, ySeries) and corresponding respectively
Numerical value (zSeries) in (x, y) coordinate points, the size of this numerical value are distinguished by different colours, and integer variable stores three one
The dimension (samplesNum) of dimension group.Data path is obtained, for the structural body assignment.
The data of discrete array (zSeries) have a numberical range, if the numerical value of most of discrete point is only distributed in
Some section of this numberical range then will lead to a large amount of discrete point and a color be only presented, and it is discrete to cannot be distinguished remaining
The distribution of point, therefore need array (zSeries) carrying out regularization before drawing: seek the root mean square of array (zSeries)
Rms replaces the value for being greater than rms in array (zSeries) with rms, and the value less than negative rms is replaced with negative rms.
Preferably, the list of the custom colors scheme of discrete data is created are as follows: obtain array (zSeries)
Maximum value maxZ and minimum value minZ, according to etc. interval of values specify corresponding color to draw, that is, be distributed in this numerical intervals
Discrete point value drawn with specified color.
Preferably, extra buffer includes:
The QPixmap of one and practical drawing forms etc. big (mSize), i.e. extra buffer are created, is equivalent in memory
In open up one piece of virtual canvas, the figure of picture in need will be drawn on this block " virtual canvas ".
Because the drafting of all figures is not that real calling display system comes " picture ", display system will not be occupied and opened
Pin, greatly improves drawing efficiency.
Preferred embodiment is done, drawing image includes: in extra buffer
Calculate position of the sample value of discrete data in the list of custom colors scheme；
Calculate position of the sample value in extra buffer.
Where it is assumed that the number of colors in custom colors list is rgbs.size (), appointing in array (zSeries)
The numerical value of meaning element indicates that the value of pos is as shown in following code with os color of pth in colors list:
Int pos=(zSeries [i]-minZ)/(maxZ-minZ) * rgbs.size ().
Maximum value maxX, the maxY and minimum value minX, minY for obtaining array (xSeries) and (ySeries), will be practical
(x, y) coordinate transformation at the column locations in drawing area, as shown in following code:
Int x=(xSeries [i]-minX) * mSize.width ()/(maxX-minX)；
Int y=(ySeries [i]-minY) * mSize.height ()/(maxY-minY).
Wherein, for the discrete point enormous amount for needing to draw the characteristics of, in extra buffer using directly to image slices
The method that element is operated improves drawing efficiency.A QImage big with QPixmap etc. is created, each pixel is assigned
Value, as shown in following code:
Image.scanLine (y) [4*x]=qBlue (rgbs [pos])；
Image.scanLine (y) [4*x+1]=qGreen (rgbs [pos])；
Image.scanLine (y) [4*x+2]=qRed (rgbs [pos])；
Image.scanLine (y) [4*x+3]=qAlpha (rgbs [pos]).
Preferably, specific drafting code has been executed in drawing function, what we drew at this time is one de-
The painting canvas storage of screen in memory, calls update to be updated on screen, QPixmap is replicated finally by QPainter
The drafting work of whole figure is completed in the position specified to window member.
Preferably, QuickDraw method further includes that nonreciprocal is drawn:
When nonreciprocal is drawn, directly the picture material of image buffer is shown on window member.
Due to the requirement of real-time that seismic processing soft ware platform shows seismic data and interacts, magnanimity number is reduced
It is delayed according to caused by processing, being software design directly operates the method drawn in pixel data combination screen back buffer area, adds
Fast plotting speed, improves the software operation response time；Discrete, mixed and disorderly seismic data is passed through into working process, is utilized
Visual computer technology forms visual in image image, is promoted by the research to image to architectonic understanding, and from
It is found out in large-scale unordered seismic data and is hidden in data distribution rule therein, sought and determine to substantially increase
The efficiency of oil and gas deposit has far-reaching economic and social benefit.
Of the invention additionally provides a kind of QuickDraw system of magnanimity discrete data based on Qt, the QuickDraw system
System, including Interactive Visualization, steps are as follows for Interactive Visualization:
Memory is stored with computer executable instructions；
Processor, the processor run the computer executable instructions in the memory, execute following steps:
Discrete data based on preparation carries out regularization processing to the discrete data；
It is handled based on the regularization, creates the list of the custom colors scheme of the discrete data；
Create extra buffer；
Computation ruleization treated position and drawing area of the discrete data in the list of custom colors scheme
Position；
The drawing image in extra buffer；
The image of extra buffer is copied into window member.
Preferably, QuickDraw method includes Interactive Visualization, and steps are as follows for Interactive Visualization:
Extra buffer is created, the picture material of image buffer is copied into the extra buffer when Interactive Visualization；
It draws on the basis of the extra buffer, the picture material that the extra buffer is drawn replicates
To image buffer；
The image of described image buffer area is copied into window member.
Embodiment
Fig. 1 shows a kind of the quick of magnanimity discrete data based on Qt of an exemplary embodiment according to the present invention
The flow chart of the step of drawing practice.
As shown in Figure 1, the present embodiment proposes a kind of QuickDraw method of magnanimity discrete data based on Qt, this is quickly
Drawing practice includes Interactive Visualization, and steps are as follows for Interactive Visualization:
Discrete data based on preparation carries out regularization processing to discrete data；
Rule-basedization processing, creates the list of the custom colors scheme of discrete data；
Create extra buffer；
Computation ruleization treated position and drawing area of the discrete data in the list of custom colors scheme
Position；
The drawing image in extra buffer；
The image of extra buffer is copied into window member.
Wherein, QuickDraw method includes Interactive Visualization, and steps are as follows for Interactive Visualization:
Extra buffer is created, the picture material of image buffer is copied into extra buffer when Interactive Visualization；
It draws on the basis of the extra buffer, the picture material that the extra buffer is drawn replicates
To image buffer；
The image of described image buffer area is copied into window member.
Fig. 2 shows a kind of schematic diagrames of double buffering graphics display mechanism of an exemplary embodiment according to the present invention.
As shown in Fig. 2, this embodiment describes a kind of magnanimity discrete data QuickDraw method based on Qt, works as data volume
When very big, drawing may need several seconds even for more time, can also flash sometimes, to solve these problems, can be used double slow
Technology is rushed to draw.Qt is that we provide a perfect double buffering graphics display mechanism, i.e., in drawing course, a buffer area
Temporary content is drawn, a buffer area saves the content drawn, finally merges.During Interactive Visualization, program will
Image buffer copies to extra buffer, and draws on extra buffer, and drafting, which finishes, to be copied to image for result again and delay
Rush area.If directly image buffer is shown on screen without Interactive Visualization.
Fig. 3 shows the π-Frame seismic processing soft ware platform of an exemplary embodiment according to the present invention certainly
The schematic diagram of dynamicization velocity analysis quality controlled attribute.
The present embodiment has been applied to draw in π-Frame seismic processing soft ware platform at automated speed analysis batch
The quality controlled attribute data graph of module is managed, as shown in figure 3, its plotting speed is than the drawPoint letter using QPainter
Number efficient 10 times or so of plotting speeds, draw 100,000,000 orders of magnitude discrete point only need 2 seconds or so, greatly improve magnanimity from
The efficiency for dissipating map data, solves the problems, such as screen flicker when big data quantity drawing, ensure that π-Frame seismic processing software
System platform show with the real-time interacted, improve the stability and high efficiency of platform.
The embodiment of the present invention is described above, above description is exemplary, and non-exclusive, and also not
It is limited to disclosed embodiment.Without departing from the scope and spirit of embodiment described, for the art
Those of ordinary skill for many modifications and changes are obvious.The selection of term used herein, it is intended to best
Principle, practical application or the improvement to the technology in market of embodiment are explained in ground, or make the other common of the art
Technical staff can understand embodiments disclosed herein.
Claims (10)
1. a kind of QuickDraw method of the magnanimity discrete data based on Qt, which is characterized in that the QuickDraw method includes:
Discrete data based on preparation carries out regularization processing to the discrete data；
It is handled based on the regularization, creates the list of the custom colors scheme of the discrete data；
Create extra buffer；
Computation ruleization treated position and Drawing zone of the discrete data in the list of the custom colors scheme
The position in domain；
The drawing image in extra buffer；
The image of the extra buffer is copied into window member.
2. the QuickDraw method of the magnanimity discrete data according to claim 1 based on Qt, wherein the QuickDraw
Method includes Interactive Visualization, and steps are as follows for the Interactive Visualization:
It creates the extra buffer, the picture material of image buffer is copied into the extra buffer when Interactive Visualization；
It draws on the basis of the extra buffer, the picture material that the extra buffer is drawn is copied into figure
As buffer area；
The image of described image buffer area is copied into window member.
3. the QuickDraw method of the magnanimity discrete data according to claim 1 based on Qt, wherein the QuickDraw
Method further includes that nonreciprocal is drawn:
When nonreciprocal is drawn, directly the picture material of described image buffer area is shown on the window member.
4. the QuickDraw method of the magnanimity discrete data according to claim 1 based on Qt, wherein described interim slow
Rushing drawing image in area includes:
Calculate position of the sample value of the discrete data in the list of the custom colors scheme；
Calculate position of the sample value in the extra buffer.
5. the QuickDraw method of the magnanimity discrete data according to claim 1 based on Qt, wherein the preparation from
Scattered data include:
Define a structural body；
The path of the discrete data is obtained, is the structural body assignment.
6. the QuickDraw method of the magnanimity discrete data according to claim 5 based on Qt, wherein the structural body packet
Include three one-dimension arrays and an integer variable.
7. the QuickDraw method of the magnanimity discrete data according to claim 1 based on Qt, wherein the creation is interim
Buffer area includes: one extra buffer identical with the window member size of creation.
8. the QuickDraw method of the magnanimity discrete data according to claim 7 based on Qt, wherein the discrete data
Drafting pattern picture includes: directly to operate to the pixel of described image content in the extra buffer, to each figure
As the pixel of content carries out assignment.
9. a kind of QuickDraw system of the magnanimity discrete data based on Qt, which is characterized in that the QuickDraw system includes:
Memory is stored with computer executable instructions；
Processor, the processor run the computer executable instructions in the memory, execute following steps:
Discrete data based on preparation carries out regularization processing to the discrete data；
It is handled based on the regularization, creates the list of the custom colors scheme of the discrete data；
Create extra buffer；
Computation ruleization treated position and Drawing zone of the discrete data in the list of the custom colors scheme
The position in domain；
The drawing image in extra buffer；
The image of the extra buffer is copied into window member.
10. the QuickDraw system of the magnanimity discrete data according to claim 9 based on Qt, wherein the rapid drawing
Drawing system includes Interactive Visualization, and steps are as follows for the Interactive Visualization:
It creates the extra buffer, the picture material of image buffer is copied into the extra buffer when Interactive Visualization；
It draws on the basis of the extra buffer, the picture material that the extra buffer is drawn is copied into figure
As buffer area；
The image of described image buffer area is copied into window member.
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| US20050143921A1 (en) * | 2003-12-12 | 2005-06-30 | Exxonmobil Upstream Research Company | Method for seismic imaging in geologically complex formations |
| CN106802924A (en) * | 2016-12-19 | 2017-06-06 | 北京科胜永昌软件有限公司 | The cautious data of magnanimity observation system big gun based on multi-threaded parallel draw display methods |
-
2017
- 2017-10-11 CN CN201710941743.2A patent/CN109658462A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050143921A1 (en) * | 2003-12-12 | 2005-06-30 | Exxonmobil Upstream Research Company | Method for seismic imaging in geologically complex formations |
| CN106802924A (en) * | 2016-12-19 | 2017-06-06 | 北京科胜永昌软件有限公司 | The cautious data of magnanimity observation system big gun based on multi-threaded parallel draw display methods |
Non-Patent Citations (2)
| Title |
|---|
| 曹永生: "地震数据处理及可视化技术研究与应用", 《中国优秀硕士学位论文全文数据库 信息科技辑（月刊 ）》 * |
| 杨延: "二维地震数据的可视化研究与实现", 《中国优秀硕士学位论文全文数据库 信息科技辑（月刊 ）》 * |
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