CN101426126A - Projection wall window regulation method for large screen monitoring system - Google Patents
Projection wall window regulation method for large screen monitoring system Download PDFInfo
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- CN101426126A CN101426126A CNA2007100941895A CN200710094189A CN101426126A CN 101426126 A CN101426126 A CN 101426126A CN A2007100941895 A CNA2007100941895 A CN A2007100941895A CN 200710094189 A CN200710094189 A CN 200710094189A CN 101426126 A CN101426126 A CN 101426126A
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Abstract
The invention discloses a projection wall window regulation method pf a large-screen monitoring system, which includes: firstly selecting object required to divide and the division number at the user interface of the customer terminal; and then computing the coordinates of the left upper point and the right lower point of each divided small window; transmitting the coordinates from the customer terminal to a system control server through a control command; the system control server transmitting the control command to a projection wall control unit, and then the projection wall control unit controls the projection wall to opens a window at the corresponding position based upon the windows locating information provided in the control command, and connecting the designated input signal onto the designated windows according to the control command. The invention has advantages of simple operation and capability of arbitrary partition to the projection wall. The invention is applied in window regulation of large-screen monitoring system in intelligent buildings, rail traffic, tunnels, coal mines, petrochemical factories and other fields.
Description
Technical field
The present invention relates to a kind of window regulation method that is applicable to the large screen monitoring system in fields such as intelligent building, track traffic, tunnel, colliery, petrochemical industry.
Background technology
Along with the development of Chinese national economy and improving constantly of living standards of the people, the motor vehicles owning rate is soaring day by day in the city, and existing traffic infrastructure has been in the high load capacity operating state.In recent years, urban public transport develop rapidly, subway, tunnel and to stride the construction of river, bridge spanning the sea in full swing.What how to manage urban transportation, minimizing traffic congestion and traffic accident effectively is the common issue with that each urban development faces.Under this background, industry begins to be devoted to the exploitation of real-time traffic supervisory control system.Meanwhile, the supervisory control system of other field also receives the concern of all circles day by day.
The world today has entered the information explosion epoch, and only several projectors can't satisfy the display requirement of information, thereby is arisen at the historic moment by the projection wall that a plurality of projecting cells are formed.Constantly applying and improve along with high-resolution projector, no matter be abroad or at home, the splicing of taking large screen monitoring system based on projection wall equipment to carry out figure, image in the major project has become scheduling, the requisite means of command centre and instrument.
Large screen monitoring system is mainly used in the demonstration bulk information, as video image, computer simulation image, network information image etc.The monitor staff can make corresponding judgment and scheduling by the information of observing on the large-screen.
Large screen monitoring system hardware is formed and is comprised: the projection wall that a plurality of projecting cells are formed, projection wall control unit, video matrix, video signal source, Control Server etc.Each projecting cell of forming projection wall in the large screen monitoring system only shows a part of entire image, all projecting cell is combined a complete big picture that has just constituted projection wall, and the resolution of big picture is the multiple of each projecting cell resolution.The image of every road signal all is that the form with window is presented on the projection wall.Position of window, size, quantity can change arbitrarily.The management of large screen monitoring system is realized by software.Large screen monitoring system software is in order to functions such as the adjustment that realizes projection wall window, network control, matrix switchings.Some prediction schemes commonly used that can also prestore can be called prediction scheme during use at any time, can realize Expected Results, thereby simplify operation, have improved efficient.
Existing large screen monitoring system generally only has the function of creating floating frame and merging window, and can not realize projecting cell cut apart once more or whole projection wall is carried out integral body cutting apart, existing in addition large screen monitoring system also can't satisfy to switch specifies the operation (needs by the matrix handoff functionality of other video monitoring system finish) of a certain video signal source to projection wall arbitrarily.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of projection wall window regulation method of large screen monitoring system, and it is simple to operate, can cut apart arbitrarily projection wall.
For solving the problems of the technologies described above, the projection wall window regulation method of large screen monitoring system of the present invention comprises the steps:
At first, select the object that to cut apart and cut apart number in the user interface of client;
The left upper apex of each wicket after the computed segmentation and bottom right apex coordinate then;
Described coordinate is sent to system's Control Server by client by control command;
System's Control Server is sent to the projection wall control unit with described control command, the projection wall control unit is left window according to the window's position information Control projection wall that provides in the control command in corresponding position, and the projection wall control unit is connected on the window of appointment according to the input signal of control command with appointment.
The present invention can realize large-screen layout management flexibly, and layout management relates generally to floating frame and merges window in the prior art, projecting cell is not cut apart with integral body and is cut apart.Adopt method of the present invention to realize window setting flexibly to projection wall as required, satisfy the different needs that show occasion, can better bring into play the monitoring function of large screen monitoring system.
The present invention can realize seamless link with video monitoring system after the window adjustment of projection wall is finished.In the prior art, realize that some specification signals source is connected to the large-screen window and generally need strides two different systems and operate, at first in video monitoring system, video signal source is switched to one of them input (generally realizing) of large-screen, in large screen monitoring system, the input port of this large-screen is connected to the large-screen window then with video matrix.And among the present invention, realize this function and just can realize to window as long as the user directly drags the video signal source icon in the large screen monitoring system client.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments:
Fig. 1 is the frame structure schematic diagram of large screen monitoring system;
Fig. 2 is cut apart and the user interface schematic diagram of new window projecting cell;
Fig. 3 carries out the user interface schematic diagram that integral body is cut apart to projection wall;
Fig. 4 is a control flow chart of the present invention.
Embodiment
Referring to Fig. 4 and in conjunction with shown in Figure 1, the projection wall window regulation method of large screen monitoring system of the present invention is realized as follows:
At first, select the object that to cut apart and cut apart number in the user interface of client.The described object of cutting apart comprises to be cut apart (being called for short the unit cuts apart) and projection wall integral body is cut apart (being called for short integral body cuts apart) a certain projecting cell of projection wall.
The left upper apex of each wicket after the computed segmentation and bottom right apex coordinate then; Described coordinate is sent to system's Control Server by client by control command; System's Control Server is sent to the projection wall control unit with described control command, the projection wall control unit is left window according to the window's position information Control projection wall that provides in the control command in corresponding position, and the projection wall control unit is connected on the window of appointment according to the input signal of control command with appointment.If the user has set this window and has needed the video signal displayed source, then system's Control Server will be transmitted control command to video matrix, video matrix switches this video signal source to the corresponding input port of projection wall, thereby finishes the demonstration of video signal source on window.
System's Control Server returns to user interface with control information, makes the situation that user interface can the actual response projection wall.
Described unit is cut apart, and promptly can cut apart any projecting cell arbitrarily in projection wall, such as a certain projecting cell being carried out 4 cut apart, 9 cut apart, 16 cutting apart etc. (can only be square number, be set to 16 at most simultaneously and cut apart).
Carry out the unit when cutting apart, the computational methods of the left upper apex of each wicket after each is cut apart and bottom right apex coordinate are: [generally speaking the left upper apex coordinate of whole projection wall is (0 with respect to the position of whole projection wall according to the projecting cell of desiring to cut apart, 0)], be its left upper apex and bottom right apex coordinate [(x1, y1), (x2, y2)], (as if cutting apart number is 4, then n=2 in conjunction with cutting apart several n^2; As if cutting apart number is 9, then n=3; If to cut apart number is 16, n=4 then) calculates the left upper apex and the bottom right apex coordinate of each wicket after cutting apart; Wherein the (i, j) left upper apex and the bottom right apex coordinate of individual wicket (it is capable with respect to the i of projecting cell to cut apart the back, the window of j row) are respectively,
Left upper apex coordinate: [x1+ (i-1) * (x2-x1)/n, y1+ (j-1) * (y2-y1)/n]
Bottom right apex coordinate: [x1+i* (x2-x1)/n, y1+j* (y2-y1)/n]
In the formula: (x1, y1), (x2 is y2) for desiring to cut apart the left upper apex and the bottom right apex coordinate of projecting cell; I, j are the row and column with respect to projecting cell of cutting apart rear hatch; N is cut apart several square roots.
Described integral body is cut apart, and promptly can cut apart arbitrarily projection wall, is made up of 3 row *, 4 row piece projecting cells such as combination, can in use projection wall be divided into window layout modes such as 4 row *, 5 row or 4 row *, 6 row as required.
Carry out integral body when cutting apart, according to the position and the size of projection wall, i.e. its left upper apex and bottom right apex coordinate [(x1, y1), (x2, y2)], generally speaking (x1 y1) is (0,0), if projection wall is rearranged by 3 row *, 4 row projecting cells, and each projecting cell length and width is 1024*768, then (x2, y2) be (4096,2304), cut apart number and be the capable * n row of m, calculate the left upper apex and the bottom right apex coordinate of each wicket after cutting apart.Wherein, the (i, j) left upper apex and the bottom right apex coordinate of individual window (it is capable that whole projection wall is cut apart back i, the window of j row) are respectively:
Left upper apex coordinate: [x1+ (i-1) * (x2-x1)/n, y1+ (j-1) * (y2-y1)/m]
Bottom right apex coordinate: [x1+i* (x2-x1)/n, y1+j* (y2-y1)/m]
In the formula: (x1, y1), (x2 y2) is the left upper apex and the bottom right apex coordinate of projection wall; I, j are the row and column that whole projection wall is cut apart rear hatch; M, n represent to cut apart several row and columns.
Referring to Fig. 2, wherein dotted line is represented undivided projection wall, form by 3*4 projecting cell, 4 projecting cells (dotted border) in the upper left corner have been merged into a new window (solid border), the projecting cell in the lower left corner is divided into 4 windows (solid border wicket), a newly-built on the right floating frame (solid border).
In Fig. 3, be that projection wall is carried out schematic diagram after whole 4*6 is cut apart.Dotted line is represented undivided projection wall, is made up of 3*4 projecting cell, the window that the solid line bar touches off all after cutting apart.
For the window after cutting apart, can carry out seamless link with video monitoring system, directly drag video source in the video source list to any window, just can realize being connected of video source and this window, also can utilize interface to realize other self-defining attended operation modes.
The control procedure of described seamless link is:
At first, video signal source is switched to a certain input of projection wall.Projection wall has a plurality of inputs, and vision signal can send a signal to some windows of projection wall by these inputs.Send the video switch order to system's Control Server in client, system's Control Server is transmitted the video switch order and is driven to video matrix, and video matrix drives the control that realizes video matrix equipment, and promptly the Switch Video signal source is to a certain input of projection wall.
Then, connect a certain window of the input of projection wall to projection wall, system's Control Server issues control command to the projection wall control unit, and the projection wall control unit is directly controlled projection wall and connected.
More than two control actions be one step completed for the operator, promptly directly drag video source in the video source list to any window, feel it is seamless link from visual effect.
Can carry out program management for any window of cutting apart, both can preserve current layout in actual mechanical process is prediction scheme, also can carry out off-line prediction scheme editor and management under the situation of no actual projection wall.Adopt the scheme of simulated projections wall and analog video signal, on user interface, can directly carry out prediction scheme editor and preservation.
User interface adopts the ActiveX control mode to realize in the present invention, and this control provides abundant interface to call for external system, by these interfaces, and can self-defined monitoring interface mode of operation in the practical engineering application process.
Described system Control Server is meant system's Control Server of limited company of Baosight " integrated centralized monitor command system " product, the major function of this server is the control command of collecting other all subsystems in " integrated centralized monitor command system " product, according to the control command parameter, these control commands are transmitted to equipment.
More than by embodiment the present invention is had been described in detail; but it is not in order to limit the present invention; for the person of ordinary skill of the art; under the prerequisite that does not break away from the principle of the invention; also can make some distortion and improvement, these also should be considered as belonging to protection scope of the present invention.
Claims (11)
1, a kind of projection wall window regulation method of large screen monitoring system is characterized in that: comprise the steps:
At first, select the object that to cut apart and cut apart number in the user interface of client;
The left upper apex of each wicket after the computed segmentation and bottom right apex coordinate then;
Described coordinate is sent to system's Control Server by client by control command;
System's Control Server is sent to the projection wall control unit with described control command, the projection wall control unit is left window according to the window's position information Control projection wall that provides in the control command in corresponding position, and the projection wall control unit is connected on the window of appointment according to the input signal of control command with appointment.
2, the projection wall window regulation method of large screen monitoring system as claimed in claim 1, it is characterized in that: if the user has set described specified window and needed the video signal displayed source, then system's Control Server will be transmitted control command to video matrix, video matrix switches this video signal source to the corresponding input port of projection wall, thereby finishes the demonstration of video signal source on window.
3, the projection wall window regulation method of large screen monitoring system as claimed in claim 1 or 2, it is characterized in that: the described object of cutting apart comprises to be cut apart a certain projecting cell of projection wall, be that the unit is cut apart and projection wall integral body is cut apart, promptly integral body is cut apart.
4, the projection wall window regulation method of large screen monitoring system as claimed in claim 3 is characterized in that: carrying out the unit when cutting apart, is 4 to cut apart, 9 cut apart or 16 cut apart to the number of cutting apart of any projecting cell.
5, the projection wall window regulation method of large screen monitoring system as claimed in claim 3 is characterized in that: carry out the unit when cutting apart, the computational methods of the left upper apex of each wicket after cutting apart and bottom right apex coordinate are,
The left upper apex coordinate:
[x1+(i-1)*(x2-x1)/n，y1+(j-1)*(y2-y1)/n]
The bottom right apex coordinate:
[x1+i*(x2-x1)/n，y1+j*(y2-y1)/n]
In the formula: (x1, y1), (x2 is y2) for desiring to cut apart the left upper apex and the bottom right apex coordinate of projecting cell; I, j are the row and column with respect to projecting cell of cutting apart rear hatch; N is cut apart several square roots.
6, the projection wall window regulation method of large screen monitoring system as claimed in claim 3 is characterized in that: carry out integral body when cutting apart, the left upper apex of each wicket after cutting apart and bottom right apex coordinate are calculated as follows:
The left upper apex coordinate:
[x1+(i-1)*(x2-x1)/n，y1+(j-1)*(y2-y1)/m]
The bottom right apex coordinate:
[x1+i*(x2-x1)/n，y1+j*(y2-y1)/m]
In the formula: (x1, y1), (x2 y2) is the left upper apex and the bottom right apex coordinate of projection wall; I, j are the row and column that whole projection wall is cut apart rear hatch; M, n represent to cut apart several row and columns.
7, the projection wall window regulation method of large screen monitoring system as claimed in claim 1 or 2 is characterized in that: described system Control Server returns to user interface with control information, makes the situation that user interface can the actual response projection wall.
8, the projection wall window regulation method of large screen monitoring system as claimed in claim 1 or 2 is characterized in that: for the window after cutting apart, can carry out seamless link with video monitoring system.
9, the projection wall window regulation method of large screen monitoring system as claimed in claim 8 is characterized in that: the control procedure of described seamless link is:
At first, video signal source is switched to a certain input of projection wall; Send the video switch order to system's Control Server in client, system's Control Server is transmitted the video switch order and is driven to video matrix, and video matrix drives the control that realizes video matrix equipment, and promptly the Switch Video signal source is to a certain input of projection wall;
Then, connect a certain window of the input of projection wall to projection wall, system's Control Server issues control command to the projection wall control unit, and the projection wall control unit is directly controlled projection wall and connected.
10, the projection wall window regulation method of large screen monitoring system as claimed in claim 1 or 2, it is characterized in that: can carry out program management for any window of cutting apart, both can preserve current layout in actual mechanical process is prediction scheme, also can carry out off-line prediction scheme editor and management under the situation of no actual projection wall; Adopt the scheme of simulated projections wall and analog video signal, on user interface, can directly carry out prediction scheme editor and preservation.
11, the projection wall window regulation method of large screen monitoring system as claimed in claim 1 or 2 is characterized in that: user interface adopts the ActiveX control mode to realize.
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