CN102496349A - Graph equipment display method and device - Google Patents
Graph equipment display method and device Download PDFInfo
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- CN102496349A CN102496349A CN2011104017008A CN201110401700A CN102496349A CN 102496349 A CN102496349 A CN 102496349A CN 2011104017008 A CN2011104017008 A CN 2011104017008A CN 201110401700 A CN201110401700 A CN 201110401700A CN 102496349 A CN102496349 A CN 102496349A
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Abstract
The embodiment of the invention provides a graph equipment display method. The method comprises the following steps: receiving a graph equipment display request, wherein the graph equipment display request comprises a graph device identification; searching to obtain the coordinate information and device type of graph equipment to be displayed according to the graph device identification; determining the device type of the graph equipment to be displayed; if the graph equipment is point-shaped graph equipment, obtaining a foursquare range value according to preset magnification; if the graph equipment is line-type or surface-type graph equipment, obtaining the maximum value and minimum value of coordinates of the equipment, and determining the foursquare range value of the equipment according to the maximum value and the minimum value of the coordinates; adjusting the foursquare range value of the graph equipment according to the size of a display screen; and displaying the equipment to be displayed in a region determined by the foursquare range values. The embodiment of the invention also provides a graph equipment display method. According to embodiment of the invention, the problem that the proportion is improper when the graph equipment is displayed is solved, and hand regulation is avoided.
Description
Technical field
The present invention relates to the pattern exhibiting technical field, relate in particular to a kind of graphics device display packing and related device.
Background technology
The pattern exhibiting technology is widely used in various fields, and after especially GIS-Geographic Information System (GIS, geographic information system) occurred, the pattern exhibiting technology obtained important development.GIS-Geographic Information System integrates geographical science, computer technology, remote sensing technology and information science, sets up the cover data acquisition corresponding with physical world, after these data are analyzed, process, transformed, is used to instruct real work.Such as; In the power equipment management system; The power equipment that will extensively distribute according to actual conditions earlier is abstract one by one to be model; Gather the real data of these models then, comprise coordinate data, device status data, with the annexation data of other equipment etc., utilize these data construct to go out an electric system operation computer network.Can on this basis, use after setting up good such basic network, such as, when the monitor monitors that is positioned at physical location arrives mutation, be reflected to this network, thereby pinpoint the problems and solution in time.Generalized information systems such as arcgis commonly used at present, supermap, after the equipment of acquisition Location Request, search equipment calculates the coordinate frame of this graphics device then to obtain device coordinate information in database earlier, thereby on display terminal, demonstrates this graphics device.Yet; This graphics device display mode location efficient of publishing picture is low, and graphics proportion shows or be excessive, perhaps too small; And can not adjust automatically and reasonably according to the display device screen size; Need the user to carry out after graphics device shows that secondary is manual to be amplified or dwindle, reduced efficient, operation inconvenience.
Summary of the invention
Because the problem that exists in the prior art; The goal of the invention of the embodiment of the invention is to provide a kind of graphics device display packing and related device; This method and apparatus is after four angular regions that obtain graphics device; Proofread and correct this four angular region according to the display screen actual conditions, graphics device is presented in the definite zone of this four angular region, the graphics device displaying ratio is improper to solve, the problem of inefficiency.
The graphics device display packing that the embodiment of the invention provides comprises:
Receive graphics device and show request, said graphics device shows that request comprises the graphics device sign;
Search obtains the coordinate information and the device type of graphics device to be shown according to the graphics device sign;
Judge the device type of said graphics device to be shown,, then obtain four angular region values of this equipment according to preset enlargement factor if be some type graphics device; If be line style or face type graphics device, then obtain the coordinate maximal value and the minimum value of this equipment, confirm four angular region values of this equipment according to said coordinate maximal value and minimum value;
Proofread and correct four angular region values of said graphics device according to the display screen size;
Equipment to be shown is presented in the definite zone of this four angular regions value.
Preferably, said four angular regions are the rectangular area, and the length of said rectangular area is the poor of said horizontal ordinate maximal value and minimum value, and the wide of said four angular regions is the poor of said ordinate value maximal value and minimum value.
Further preferably; When the graphics device type is line style or face type; The length and/or the wide and preset enlargement factor of the rectangular area of four angular regions of graphics device to be shown are compared; If less than preset times magnification numerical value, then adjust four angular region values according to the adjustment difference, said adjusted value is half of the length of preset enlargement factor and four angular region rectangular areas or wide difference.
Further preferably, said according to graphical display screen size correction graph equipment four angular region values for to proofread and correct according to the length breadth ratio of graphical display screen, specifically comprise:
The length breadth ratio of graphic screen length breadth ratio and four angular region rectangular areas is compared, if the graphic screen length breadth ratio greater than four angular region rectangular area length breadth ratios, then stretches said four angular region rectangular areas; If the graphic screen length breadth ratio less than four angular region rectangular area length breadth ratios, is then compressed said four angular region rectangular areas.
Further preferably, if the graphic screen length breadth ratio is greater than four angular region rectangular area length breadth ratios, then according to computes corrected value δ:
δ＝[px*(ymax-ymin)/py-(xmax-xmin)]/2
In the formula: px, py are the length of graphic screen and wide, and ymin, ymax are the ordinate minimum value and the maximal value of graphics device, and xmin, xmax are little finger of toe of the horizontal ordinate of graphics device and maximal value;
Graphics device horizontal ordinate minimum value is deducted said corrected value δ, graphics device horizontal ordinate maximal value is added the above corrected value δ, confirm four angular regions of this equipment according to new horizontal ordinate minimum value and maximal value.
If the graphic screen length breadth ratio is less than four angular region rectangular area length breadth ratios, then according to computes corrected value δ:
δ＝(py*(xmax-xmin)/px-(ymax-ymin))/2
In the formula: px, py are the length of graphic screen and wide, and ymin, ymax are the ordinate minimum value and the maximal value of graphics device, and xmin, xmax are little finger of toe of the horizontal ordinate of graphics device and maximal value;
Graphics device ordinate minimum value is deducted said corrected value δ, graphics device ordinate maximal value is added the above corrected value δ, confirm four angular regions of this equipment according to new ordinate minimum value and maximal value.
The present invention also provides a kind of graphics device display device, and this device comprises: receiving element, first acquiring unit, judging unit, second acquisition unit, correcting unit and display unit, wherein:
Said receiving element is used to receive graphics device and shows request, and said graphics device shows that request comprises the graphics device sign;
Said first acquiring unit is used for searching for coordinate information and the device type that obtains graphics device to be shown according to the graphics device sign;
Said judging unit is used to judge the device type of graphics device to be shown, if for some type graphics device, then call second acquisition unit obtains this equipment according to preset enlargement factor four angular region values; If be line style or face type graphics device, then call maximal value and minimum value that second acquisition unit obtains this device coordinate, confirm four angular region values of this equipment according to said maximal value and minimum value;
Said correcting unit is used for the four angular region values of proofreading and correct said graphics device according to the display screen size;
Said display unit is used for graphics device to be shown is presented in the definite zone of said four angular region values.
The method and apparatus of the embodiment of the invention is after receiving graphics device demonstration request; Search obtains the coordinate information and the device type of this graphics device; Confirm four angular region values of this equipment again according to device type information; Be benchmark with the display screen size then, the four angular regions correction of carrying out or stretching or compress is presented at graphics device in the definite zone of four angular regions after the calibration.Compared with prior art; After the embodiment of the invention is obtained facility information; Carry out processing such as four angular regions are confirmed, four angular region adjustment, rather than directly graphics device is presented on the display screen, make the graphics device that shows be of moderate size with respect to display screen; Avoided artificially manually carrying out the adjustment operation that secondary amplifies or dwindles, thereby improved the display operation efficient of graphics device.
Description of drawings
Fig. 1 is the process flow diagram of a method embodiment of the present invention;
Fig. 2 is the process flow diagram of the instance of the inventive method embodiment;
Fig. 3 is the composition frame chart of system embodiment of the present invention.
Embodiment
Embodiments of the invention provide a kind of graphics device display packing and corresponding device thereof; This method and apparatus is after receiving graphics device demonstration request, and search obtains the coordinate information and the device type of this graphics device, confirms four angular regions of this equipment again according to device type information; Be benchmark with the display screen size then; The four angular regions correction of carrying out or stretching or compress is presented at graphics device in the definite zone of four angular regions after the calibration, has solved the problem of the displaying ratio imbalance that direct display graphics equipment brings in the prior art; Avoided carrying out the secondary manual adjustment, thereby improved graphics device locating and displaying efficient.
In order to be expressly understood technical scheme of the present invention and technical characterictic, describe in detail below in conjunction with accompanying drawing and embodiment.
Referring to accompanying drawing 1, the figure shows one embodiment of the present of invention, the graphics device display packing that this embodiment provides comprises:
Step S101: receive graphics device and show request, said graphics device shows that request comprises the graphics device sign;
Graphics device shows that request is the triggering that the user imports; The sign that comprises graphics device in this demonstration request; The sign of graphics device is to confirm the unique index of graphics device; Data such as the title of these graphics devices or index are the graphics device storehouses of setting up in advance according to the physical device situation, and this graphics device storehouse and actual physical network have mapping relations.Actual physical equipment is that some type, line style and face type device storage are in this database with abstract.
Step S101: search obtains the coordinate information and the device type of graphics device to be shown according to the graphics device sign;
Preserve the coordinate information and the device type information of graphics device in the graphics device storehouse, can obtain these information, be used for next step processing according to the sign of graphics device.
Step S102: judge the device type of said graphics device to be shown,, then obtain four angular region values of this equipment according to preset enlargement factor if be some type graphics device; If be line style or face type graphics device, then obtain the maximal value and the minimum value of this device coordinate, confirm four angular region values of this equipment according to said maximal value and minimum value;
The type of graphics device is different; There is difference in mode in the demonstration of display screen, such as a type graphics device, because it is merely a point; Its display mode only needs to obtain four angular regions according to preset enlargement factor; Obtain four angular regions and take to be the center, to carry out square and extend usually with this graphics device point, the length of extension is half the for preset enlargement factor.But for line style equipment or face type equipment; Then comparatively complicated; Generally need to obtain earlier the maximal value and the minimum value of this device coordinate, and then confirm four angular regions of equipment according to this maximal value and minimum value, this four angular region is generally the rectangular area; The length of rectangular area is the poor of graphics device horizontal ordinate maximal value and minimum value, and the wide of rectangular area is the poor of graphics device ordinate maximal value and minimum value.
Step S103: according to four angular region values of the said graphics device of display screen size correction;
The coordinate of graphics device is corresponding with the actual physical coordinate; When showing; Do not make the graphics device that shows can not The profile if do not consider the big young pathbreaker of display screen; Present embodiment is proofreaied and correct this four angular region after obtaining four angular regions of graphics device, and the mode of correction can be the scale of judging earlier between the length and width of length and width and graphic screen of above-mentioned rectangular area; Carrying out suitable stretching or compression, thereby make and adapt between four angular zones and the display screen of graphic display device.
Step S104: equipment to be shown is presented in the definite zone of this four angular regions value.
After graphics device to be shown having been carried out processing such as four angular regions are confirmed, four angular region corrections, the demonstration of graphics device can adapt with display screen, and be presented at graphics device in the definite scope of this four angular region this moment.
The method and apparatus of present embodiment is after receiving graphics device demonstration request; Search obtains the coordinate information and the device type of this graphics device; Confirm four angular regions of this equipment again according to device type information; Be benchmark with the display screen size then, the four angular regions correction of carrying out or stretching or compress is presented at graphics device in the definite zone of four angular regions after the calibration.Compared with prior art; After the embodiment of the invention is obtained facility information; Carry out processing such as four angular regions are confirmed, four angular region adjustment, and directly graphics device be not presented on the display screen, make the graphics device that shows relatively and display screen be of moderate size; Avoided artificially manually carrying out the adjustment operation that secondary amplifies or dwindles, thereby improved the display operation efficient of graphics device.
For technical scheme of the present invention more clearly is described, introduce with an instantiation below.The preset enlargement factor of hypothesis is 500 in this instance, and promptly according to 1: 500 ratio demonstration actual physical equipment, four angular regions were with rectangular extent, and the graphics device here is a line style equipment.Shown in accompanying drawing 2, the figure shows the process flow diagram of this instance.
Step S201: load the graphics device storehouse to internal memory, the graphics device storehouse comprises and the coordinate information of the corresponding graphics device of physical equipment, device type information etc.
Step S202: the graphics device that receives user's input shows request, and this graphics device shows that request comprises the graphics device sign.
Step S203:, obtain the coordinate information and the device type of graphics device to be shown according to graphics device sign searching graphic device databases;
Step S204: judge the device type of said graphics device to be shown,, then obtain four angular region values of this equipment according to preset enlargement factor if be some type graphics device; If be line style or face type graphics device, then obtain the maximal value and the minimum value of this device coordinate, confirm four angular region values of this equipment according to said maximal value and minimum value;
Because the graphics device of this instance is a line style equipment; Therefore from the coordinate information of this graphics device, can obtain the maximum x coordinate xmax of this graphics device, minimum x coordinate xmin; Maximum y coordinate ymax, minimum y coordinate ymin, four angular region values of this graphics device are respectively thus:
[(xmin，ymin)，(xmax，ymin)，(xmax，ymax)，(xmin，ymax)]
Can confirm the rectangular area that four angular regions are corresponding by these four coordinate figures.Explain in passing: if some type graphics device, magni-scale is 1: 500 o'clock, and four angular region values then are:
[(x-250，y-250)，(x+250，y-250)，(x+250，y+250)，(x-250，y+250)]。
Step S205: according to four angular region values of preset enlargement factor adjustment graphics device;
The length and the wide and preset enlargement factor 500 of the graphics device of this instance are compared; The length of the graphics device here refers to maximum abscissa value and minimum abscissa value poor of graphics device; The maximum ordinate of the wide finger graphics device of graphics device and minimum ordinate value poor, following situation will appear in result relatively:
If the length of graphics device and wide all less than preset enlargement factor 500, the center point coordinate of then former four angular regions (adjusted value) is: x=(xmin+xmax)/2, y=(yxmin+ymax)/2; Four new thus angular regions be adjusted into [(x-250, y-250), (x+250; Y-250), (x+250, y+250); (x-250, y+250)].
If the length of graphics device is less than preset enlargement factor 500, then adjusted value dif1 is: dif=(500-(xmax-xmin))/2, and four new thus angular regions are adjusted into: [(xmin-dif1, ymin); (xmax+dif1, ymin), (xmax-dif1; Ymax), (xmin-dif1, ymax)].
If graphics device is wide less than preset enlargement factor 500, adjusted value dif1=(500-(ymax-ymin))/2 then, new thus four angular regions be adjusted into [(xmin, ymin-dif), (xmax, ymin-dif), (xmax, ymax+dif), (xmin, ymax+dif)].
Step S206: the size of the length breadth ratio of four angular regions of judgement display screen length breadth ratio and graphics device, the four angular region values of proofreading and correct said graphics device according to the display screen length breadth ratio;
Suppose graphic screen show long for px, widely be py, suppose through above-mentioned adjusted graphics device four angular regions for [(xmin, ymin), (xmax, ymin), (xmax, ymax), (xmin, ymax)], promptly long is xmax-xmin, wide is ymax-ymin.
If (px/py)＞(xmax-xmin)/(ymax-ymin), promptly figure need elongate to adapt to screen, corrected value dif2=(px* (ymax-ymin)/py-(xmax-xmin))/2 then, and then new four angular regions are:
[(xmin-dif2，ymin)，(xmax+dif2，ymin)，(xmax＝dif2，ymax)，(xmin-dif2，ymax)]。
If (px/py)＜(xmax-xmin)/(ymax-ymin), promptly figure need widen to adapt to screen, then corrected value dif2=(py* (xmax-xmin)/px-(ymax-ymin))/2; Then new four angular regions are: [(xmin, ymin-dif), (xmax; Ymin-dif), (xmax, ymax+dif); (xmin, ymax+dif)].
Step S207: equipment to be shown is presented in the definite zone of this four angular regions value.
Describe method embodiment of the present invention above in detail, correspondingly, the present invention also provides a kind of graphics device device shown embodiment.Referring to Fig. 3, this device 300 comprises: receiving element 301, first acquiring unit 302, judging unit 303, second acquisition unit 304, correcting unit 305 and display unit 306, wherein:
Said receiving element 301 is used to receive graphics device and shows request, and said graphics device shows that request comprises device identification;
Said first acquiring unit 302 is used for searching for coordinate information and the device type that obtains graphics device to be shown according to the graphics device sign;
Said judging unit 303 is used to judge the device type of graphics device to be shown, if for some type graphics device, then call second acquisition unit obtains this equipment according to preset enlargement factor four angular region values; If be line style or face type graphics device, then call maximal value and minimum value that second acquisition unit obtains this device coordinate, confirm four angular region values of this equipment according to said maximal value and minimum value;
Said correcting unit 304 is used for the four angular region values of proofreading and correct said graphics device according to the display screen size;
Said display unit 305 is used for graphics device to be shown is presented in the definite zone of said four angular region values.
The course of work of native system embodiment is: receiving element 301 receives graphics device and shows request, and said graphics device shows that request comprises device identification; Search for coordinate information and the device type that obtains graphics device to be shown by first acquiring unit 302 according to the graphics device sign; Judge the device type of graphics device to be shown then by judging unit 303, if, then call second acquisition unit obtains this equipment according to preset enlargement factor four angular region values for some type graphics device; If be line style or face type graphics device, then call maximal value and minimum value that second acquisition unit obtains this device coordinate, confirm four angular region values of this equipment according to said maximal value and minimum value; The four angular region values that correcting unit 304 is proofreaied and correct said graphics device according to the display screen size; Display unit 305 is used for graphics device to be shown is presented in the definite zone of said four angular region values.
The method and apparatus of present embodiment is after receiving graphics device demonstration request; Search obtains the coordinate information and the device type of this graphics device; Confirm four angular regions of this equipment again according to device type information; Be benchmark with the display screen size then, the four angular regions correction of carrying out or stretching or compress is presented at graphics device in the definite zone of four angular regions after the calibration.Compared with prior art; After the embodiment of the invention is obtained facility information; Carry out processing such as four angular regions are confirmed, four angular region adjustment, rather than graphics device directly is presented on the display screen, make the graphics device that shows be of moderate size; Avoided artificially manually carrying out the adjustment operation that secondary amplifies or dwindles, thereby improved the display operation efficient of graphics device.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of invention.
Claims (6)
1. one kind graphics device display packing is characterized in that, this method comprises:
Receive graphics device and show request, said graphics device shows that request comprises the graphics device sign;
Search obtains the coordinate information and the device type of graphics device to be shown according to the graphics device sign;
Judge the device type of said graphics device to be shown,, then obtain four angular region values of this equipment according to preset enlargement factor if be some type graphics device; If be line style or face type graphics device, then obtain the coordinate maximal value and the minimum value of this equipment, confirm four angular region values of this equipment according to said coordinate maximal value and minimum value;
Four angular region values according to the said graphics device of display screen size correction;
Equipment to be shown is presented in the definite zone of this four angular regions value.
2. method according to claim 1; It is characterized in that; Said four angular regions are the rectangular area, and the length of said rectangular area is horizontal ordinate maximal value and minimum value poor of graphics device, and said four angular regions wide is ordinate value maximal value and minimum value poor of graphics device.
3. method according to claim 2; It is characterized in that; When the graphics device type is line style or face type, the length and/or the wide and preset enlargement factor of the rectangular area of four angular regions of graphics device to be shown compared, if less than preset times magnification numerical value; Then adjust four angular region values according to adjusted value, said adjusted value is half of the length of preset enlargement factor and four angular region rectangular areas or wide difference.
4. method according to claim 3 is characterized in that, said according to graphical display screen size correction graph equipment four angular region values for to proofread and correct according to the length breadth ratio of graphical display screen, specifically comprise:
The length breadth ratio of graphic screen length breadth ratio and four angular region rectangular areas is compared, if the graphic screen length breadth ratio greater than four angular region rectangular area length breadth ratios, then stretches said four angular region rectangular areas; If the graphic screen length breadth ratio less than four angular region rectangular area length breadth ratios, is then compressed said four angular region rectangular areas.
5. method according to claim 4 is characterized in that, if the graphic screen length breadth ratio is greater than four angular region rectangular area length breadth ratios, then according to computes corrected value δ:
δ＝[px*(ymax-ymin)/py-(xmax-xmin)]/2
In the formula: px, py are the length of graphic screen and wide, and ymin, ymax are the ordinate minimum value and the maximal value of graphics device, and xmin, xmax are little finger of toe of the horizontal ordinate of graphics device and maximal value;
Graphics device horizontal ordinate minimum value is deducted said corrected value δ, graphics device horizontal ordinate maximal value is added the above corrected value δ, confirm four angular regions of this equipment according to new horizontal ordinate minimum value and maximal value.
If the graphic screen length breadth ratio is less than four angular region rectangular area length breadth ratios, then according to computes corrected value δ:
δ＝[py*(xmax-xmin)/px-(ymax-ymin)]/2
In the formula: px, py are the length of graphic screen and wide, and ymin, ymax are the ordinate minimum value and the maximal value of graphics device, and xmin, xmax are little finger of toe of the horizontal ordinate of graphics device and maximal value;
Graphics device ordinate minimum value is deducted said corrected value δ, graphics device ordinate maximal value is added the above corrected value δ, confirm four angular regions of this equipment according to new ordinate minimum value and maximal value.
6. a graphics device display device is characterized in that, this device comprises: receiving element, first acquiring unit, judging unit, second acquisition unit, correcting unit and display unit, wherein:
Said receiving element is used to receive graphics device and shows request, and said graphics device shows that request comprises the graphics device sign;
Said first acquiring unit is used for searching for coordinate information and the device type that obtains graphics device to be shown according to the graphics device sign;
Said judging unit is used to judge the device type of graphics device to be shown, if for some type graphics device, then call second acquisition unit obtains this equipment according to preset enlargement factor four angular region values; If be line style or face type graphics device, then call maximal value and minimum value that second acquisition unit obtains this device coordinate, confirm four angular region values of this equipment according to said maximal value and minimum value;
Said correcting unit is used for the four angular region values of proofreading and correct said graphics device according to the display screen size;
Said display unit is used for graphics device to be shown is presented in the definite zone of said four angular region values.
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| CN201110401700.8A CN102496349B (en) | 2011-12-06 | 2011-12-06 | Graph equipment display method and device |
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| CN201110401700.8A CN102496349B (en) | 2011-12-06 | 2011-12-06 | Graph equipment display method and device |
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| CN102496349A true CN102496349A (en) | 2012-06-13 |
| CN102496349B CN102496349B (en) | 2014-04-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103684879A (en) * | 2013-12-30 | 2014-03-26 | 华为技术有限公司 | Display processing method and device |
| CN110489583A (en) * | 2019-08-22 | 2019-11-22 | 南京信易达计算技术有限公司 | A kind of life sciences analytical graphical system and method based on Web |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105302892B (en) * | 2015-10-19 | 2019-01-22 | 南京国电南自轨道交通工程有限公司 | A kind of device data inquiry methods of exhibiting based on model |
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| CN102496349B (en) | 2014-04-16 |
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