WO2023005104A1 - 一种多视图展示方法、装置、设备和介质 - Google Patents

一种多视图展示方法、装置、设备和介质 Download PDF

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Publication number
WO2023005104A1
WO2023005104A1 PCT/CN2021/137614 CN2021137614W WO2023005104A1 WO 2023005104 A1 WO2023005104 A1 WO 2023005104A1 CN 2021137614 W CN2021137614 W CN 2021137614W WO 2023005104 A1 WO2023005104 A1 WO 2023005104A1
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Prior art keywords
view
display
views
display area
planned
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PCT/CN2021/137614
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English (en)
French (fr)
Inventor
陈茜
曾伟
邵灵丹
楚哲
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Shenzhen Institute of Advanced Technology of CAS
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Shenzhen Institute of Advanced Technology of CAS
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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
    • G06F16/54—Browsing; Visualisation therefor
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/901—Indexing; Data structures therefor; Storage structures
    • G06F16/9024—Graphs; Linked lists
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/901—Indexing; Data structures therefor; Storage structures
    • G06F16/9027—Trees
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90—Details of database functions independent of the retrieved data types
    • G06F16/904—Browsing; Visualisation therefor

Definitions

  • the embodiments of the present invention relate to the technical field of data visualization, and in particular to a multi-view display method, device, device and medium.
  • Multi-view visualization can combine different types of views to display the characteristics of data from multiple angles or display different data at the same time. Due to the limitation of the screen size of mobile devices, it is difficult to display all the information at the same time when the multi-view visualization is displayed. Therefore, it is necessary to plan the views contained in the multi-view visualization for view display.
  • the current planning of multi-view visual display is to combine and display multiple views by analyzing the display space of the display screen and the maximum size of each visual view, and maximize the size of each view as much as possible.
  • This view planning method only considers Vertical stacking and grid-based view layouts are adopted, but the richness of multi-view visualization view layouts in practice is not fully utilized. The unreasonable layout leads to low view readability, and the view layout method needs to be optimized.
  • Embodiments of the present invention provide a multi-view display method, device, device, and medium to implement combined planning for multi-view display according to view characteristics and parameters of view display areas, so as to make multi-view display results more reasonable and improve view readability sex.
  • an embodiment of the present invention provides a multi-view display method, the method comprising:
  • the establishing a view visualization tree structure according to the initial layout of the display view to be planned includes:
  • the horizontal or vertical segmentation is used for segmentation, and the view visualization tree structure is constructed according to the segmentation results.
  • grouping the display views to be planned based on the view visualization tree structure includes:
  • the views corresponding to the nodes having the same parent node are divided into one group.
  • the segmentation is performed in a horizontal or vertical manner, including:
  • the views corresponding to the connected nodes are views of the same category and size, the views corresponding to the connected nodes are taken as a whole without splitting.
  • the determining the planning result of the display view to be planned according to the grouping result of the display view to be planned, the view information, and the view display area parameters includes:
  • each view display area that can be used by each group of views after grouping according to the view category and view scaling parameters in the view information, generate all the arrangement schemes of each group of views after grouping;
  • For each grouped view calculate the cost value of each arrangement scheme based on preset rules, and use the scheme with the lowest cost value in each view display area as the arrangement scheme of each group of views in the corresponding view display area ;
  • the layout scheme is the final view planning result.
  • the view display area that can be used by each group of views after grouping is determined according to the number of groups of the views to be displayed, the number of view display areas in the view display area parameters, and the size of each view display area, include:
  • each view display area serves as a view display area that can be used by each group of views after grouping.
  • the generation of all grouped views in the display area includes:
  • Each grouped group of views is stretched, flipped or rotated in each usable view display area according to the view category and view scaling parameters to generate multiple view arrangement schemes.
  • the preset rules include:
  • the method before displaying the display view to be planned according to the planning result, the method further includes:
  • the method before displaying the display view to be planned according to the planning result, the method further includes:
  • an embodiment of the present invention provides a multi-view display device, which includes:
  • the initial view data acquisition module is used to obtain the planned display view, view information and view display area parameters
  • a view grouping module configured to establish a view visualization tree structure according to the initial layout of the display views to be planned, and group the display views to be planned based on the view visualization tree structure;
  • a view display planning module configured to determine the planning result of the display view to be planned according to the grouping result of the display view to be planned, the view information and the view display area parameters, and display the display view to be planned according to the planning result Plan the display view.
  • the view grouping module includes a visual tree structure establishment submodule for:
  • the horizontal or vertical segmentation is used for segmentation, and the view visualization tree structure is constructed according to the segmentation results.
  • the view grouping module includes a view grouping submodule for:
  • the views corresponding to the nodes having the same parent node are divided into one group.
  • the visual tree structure establishment submodule is also used for:
  • the views corresponding to the connected nodes are views of the same category and size, the views corresponding to the connected nodes are taken as a whole without splitting.
  • the view display planning module includes:
  • the display area determination sub-module is used to determine the view display that can be used by each group of views after grouping according to the number of groups of the views to be displayed and the number of view display areas in the view display area parameters and the size of each view display area area;
  • the view arrangement scheme generation sub-module is used to generate all grouped views according to the view category and view scaling parameters in the view information in each view display area that can be used by the grouped views.
  • Arrangement plan ;
  • the view layout scheme determination sub-module is used to calculate the cost value of each layout scheme based on preset rules for each grouped view, and use the scheme with the lowest cost value in each view display area as the view in each group.
  • the multi-view group overall arrangement scheme determination sub-module is used to calculate the cost value of the overall arrangement scheme of the multiple matching results of multiple grouped views synchronously matched with the view display area based on the preset rules, and combine the Among the multiple matching results, the layout scheme with the lowest cost value of the overall layout scheme is used as the final view planning result.
  • the display area determination submodule is specifically used for:
  • each view display area serves as a view display area that can be used by each group of views after grouping.
  • the view layout scheme generating submodule is specifically used for:
  • Each grouped group of views is stretched, flipped or rotated in each usable view display area according to the view category and view scaling parameters to generate multiple view arrangement schemes.
  • the preset rules include:
  • the multi-view display device further includes a text adjustment module, configured to adjust the font and font size of text in each view in each view display area.
  • the multi-view display device further includes a legend style adjustment module, configured to adjust the text when it is recognized that the legend label text in any view overlaps before displaying the display view to be planned according to the planning result.
  • the display style of overlapping legend labels has been adjusted.
  • an embodiment of the present invention also provides a computer device, the computer device comprising:
  • processors one or more processors
  • memory for storing one or more programs
  • the one or more processors When the one or more programs are executed by the one or more processors, the one or more processors implement the multi-view presentation method provided by any embodiment of the present invention.
  • an embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, and when the program is executed by a processor, the multi-view presentation provided by any embodiment of the present invention is realized.
  • the display view to be planned by acquiring the display view to be planned, view information and view display area parameters; establishing a view visualization tree structure according to the initial layout of the display view to be planned, and creating a display for the display to be planned based on the view visualization tree structure Grouping the views; determining the planning results of the display views to be planned according to the grouping results of the display views to be planned, the view information and the view display area parameters, and displaying the display views to be planned according to the planning results . It solves the problem of low readability caused by unreasonable multi-view layout in the prior art, realizes the combined planning of multi-view display according to the view characteristics and the parameters of the view display area, makes the multi-view display results more reasonable, and improves the view readability sex.
  • FIG. 1 is a flow chart of a multi-view display method provided by Embodiment 1 of the present invention.
  • Fig. 2 is an illustration of a group of display views to be planned provided by Embodiment 1 of the present invention
  • Fig. 3 is a schematic diagram of the layout of a group of view display areas provided by Embodiment 1 of the present invention.
  • Fig. 4 is a schematic diagram of the view topology of the view to be planned and displayed in Fig. 2 provided by Embodiment 1 of the present invention
  • FIG. 5 is a schematic diagram of the process of segmenting the view topology in FIG. 4 provided by Embodiment 1 of the present invention.
  • FIG. 6 is a schematic diagram of a view visualization tree structure determined based on the segmentation process in FIG. 4 provided by Embodiment 1 of the present invention.
  • Fig. 7 is a schematic diagram of the view grouping results of the views to be planned and displayed in Fig. 2 provided by Embodiment 1 of the present invention.
  • Fig. 8 is a schematic diagram of various view arrangement schemes of a view group in a view display area provided by Embodiment 1 of the present invention.
  • Fig. 9 is a plan display effect diagram of dividing the views to be planned in Fig. 2 into two groups of views provided by Embodiment 1 of the present invention.
  • Fig. 10 is a schematic diagram of a view label font size adjustment process provided by Embodiment 1 of the present invention.
  • Fig. 11 is a schematic diagram of a display view to be planned in an application example provided by Embodiment 1 of the present invention.
  • Fig. 12 is an effect diagram of displaying multiple views in Fig. 11 in a view display area using the prior art provided by Embodiment 1 of the present invention
  • Fig. 13 is an effect diagram of displaying multiple views in Fig. 11 in a view display area provided by Embodiment 1 of the present invention using the technology of the embodiment of the present invention;
  • Fig. 14 is an effect diagram of displaying multiple views in Fig. 11 in two view display areas using the prior art provided by Embodiment 1 of the present invention
  • Fig. 15 is an effect diagram of displaying multiple views in Fig. 11 in two view display areas provided by Embodiment 1 of the present invention using the technology of the embodiment of the present invention;
  • Fig. 16 is an effect diagram of displaying multiple views in Fig. 11 in three view display areas provided by Embodiment 1 of the present invention using the technology of the embodiment of the present invention;
  • Fig. 17 is a schematic structural diagram of a multi-view display device provided by Embodiment 2 of the present invention.
  • FIG. 18 is a schematic structural diagram of a computer device provided by Embodiment 3 of the present invention.
  • FIG. 1 is a flow chart of a multi-view display method provided by Embodiment 1 of the present invention. This embodiment is applicable to the situation of layout planning and display of multiple views simultaneously displayed.
  • the method can be executed by a multi-view display device, the device can be realized by software and/or hardware, and integrated in an electronic device with application development function.
  • the multi-view display method includes the following steps:
  • the display view to be planned is a view uploaded by the user to the multi-view display planning system, and is a visualized view initially created and formed by the user based on the data to be displayed.
  • View information includes view type, encoding information, and bounding box information.
  • the view type is used to describe the basic geometric elements of data items or links in the visualization, including view types such as scatter chart, line chart, column chart, area chart, pie chart and map. Different types of views have different attributes, such as whether the view can be rotated or not. Generally, only histograms can be rotated, and other types of views cannot be rotated.
  • Encoding information is used to control the visual appearance of the view, including label font size, color display style and other information.
  • the bounding box specifies the display properties of the view, which is composed of the position of the center point of the view, width and height, and also includes the numerical adjustment range of the view's width and height. For example, Fig.
  • the group of views includes a histogram (the leftmost diagram), a map (the middle diagram), a line graph (the rightmost column diagram top plot), scatter plot (middle plot in the rightmost column of plots), and pie chart (bottom plot in the rightmost column of plots).
  • the center point of the current location of the histogram in Figure 2 is set at (0.0885, 0.5), the width is 0.177 units, and the height is 1 unit.
  • the view display area parameters include the number and size of areas used to display the planned display views, and the layout of multiple view display areas.
  • the view display area is usually a screen of a display terminal, which may be a display screen of a terminal, or may be composed of display screens of multiple terminals.
  • the layout of multiple view display areas refers to the arrangement of multiple terminals when the view display area contains multiple terminals, such as multiple layouts of left and right and/or up and down.
  • the view display area is composed of two mobile terminals, wherein, The size of the smartphone on the left is 375*667, and the size of the tablet on the right is 1024*768.
  • the two adopt a side-by-side layout.
  • the obtained initial layout of the display view to be planned refers to information such as the size, aspect ratio, and layout relationship between each view when the display view to be planned is obtained, for example, Figure 2
  • the arrangement of the views in is its initial layout.
  • the initial layout page of the views to be displayed reflects the user's view layout preferences, such as which view is connected to which view and other view setting parameters.
  • each view in the display view to be planned is regarded as a node, and a connection line is established between the nodes corresponding to the two adjacent views in the initial layout to establish an initial view It can be understood that the connection between nodes is undirected.
  • the initial view topology may refer to the topology shown in FIG. 4 , where a, b, c, d, and e respectively represent the five views in FIG. 2 .
  • FIG. 5 numerals 1, 2, 3 and 4 represent the order of segmentation respectively. Divide the views into two groups by slice 1, followed by slices 2, 3, and 4 until the views cannot be split between them.
  • the views corresponding to the connected nodes are views of the same category and size, the views corresponding to these connected nodes are taken as a whole without splitting.
  • a view visualization tree structure as shown in FIG. 6 can be constructed.
  • the view visualizes the tree structure based on grouping multiple views. For example, views corresponding to nodes with the same parent node in the view visualization tree structure may be grouped into one group.
  • grouping results refer to the schematic diagram of view grouping results shown in FIG. 7 .
  • the five divided views can be used as a group and displayed on the terminal display interface respectively.
  • two view display areas that is, two terminals
  • multiple views can be divided into two groups, views a and b form a group, and views b, c and d form a group.
  • it can also be divided into 3 groups or 4 groups and other grouping methods.
  • the corresponding views of unconnected nodes need not be grouped in the same group.
  • the view display areas that can be used by each group of views after grouping should be determined.
  • each view display area selects a larger size among multiple view display areas, the number of which is View display areas with the same number of view groups as described above are used as view display areas that can be used by each group of views; when the number of view groups is greater than or equal to the number of view display areas, each view display area is used as each view display area after grouping The view display area that the group view can use. That is, at present, for each grouped view group, any view display area can be used for display. As for which view display area is finally selected, further evaluation of the view arrangement display scheme is required.
  • each grouped view group is generated, and all layout schemes are generated in each usable view display area.
  • an arrangement scheme for all the grouped views can be generated. For example, stretch, flip or rotate the grouped views in each usable view display area according to the view category and view scaling parameters to generate multiple view arrangement schemes.
  • the group of views in other available view display areas can also obtain multiple view arrangement schemes in the above manner. That is to say, if the views to be displayed are grouped to obtain two groups of views, and there are two view display areas that can be used, they need to be determined separately.
  • the first view group is arranged in multiple views in the first view display area Scheme, multiple view arrangement schemes of the first view grouped in the second view display area, multiple view arrangement schemes of the second view grouped in the first view display area, and the arrangement scheme of the second view grouped in the second view display area Multiple view layout schemes.
  • an optimal view arrangement scheme in each available view display area for each group of views after grouping That is to determine the best view arrangement scheme of the first view group in the first view display area, the best view arrangement scheme of the first view group in the second view display area, and the second view group in the lowest position of the first view display area
  • the best view layout scheme, and the best view layout scheme for the second view group in the second view display area Specifically, for each grouped view, calculate the cost value of each arrangement scheme based on a preset rule, and use the scheme with the lowest cost value in each view display area as each group of views in the corresponding view display area the best arrangement for .
  • the preset rule can also be called a cost function, which comprehensively considers the space utilization index of the view display area, the relative size index of the view, the aspect ratio index of the view, and the evaluation index of the view topology to evaluate various views.
  • the rendering effect of the layout scheme can also be called a cost function, which comprehensively considers the space utilization index of the view display area, the relative size index of the view, the aspect ratio index of the view, and the evaluation index of the view topology to evaluate various views.
  • the space utilization index is 100% minus the area ratio of multiple views in the view display area in the view arrangement scheme.
  • the relative size index refers to the ratio of the view area of the views in the view group in the initial layout to the area of the original view display area, and the ratio of the view area in the new view arrangement scheme to the area of the available view display area where it is located difference.
  • the aspect ratio index refers to the difference between the aspect ratio value of each view in the view group in the initial layout and the aspect ratio value of the corresponding view in the new view arrangement scheme.
  • the topology index uses Weissfeller-Lehmann algorithm to calculate the difference between the topology index value of the views in the view group in the initial layout and the topology index value in the new view arrangement scheme. When a view group contains multiple views, the relative size index and aspect ratio index are calculated by averaging the indexes of multiple views. Finally, the values of the four indicators are added together as the value of the cost function.
  • the judgment is to adopt the best view arrangement scheme of the first view group in the first view display area and the best view arrangement of the second view group in the second view display area.
  • the layout scheme with the lowest cost value of the layout scheme is taken as the final view planning result.
  • the calculation of each index adopts the mean value of each index for each view display area.
  • the finally selected layout scheme can be shown in FIG. 9 and FIG. 10 .
  • the views to be planned are divided into two groups, and the number of view display areas is 2.
  • the arrangement of the two view display areas is shown in FIG. 9 .
  • the font and font size of the text in each view in each view display area can be further adjusted, such as setting the minimum The font size is 12px so that the text can be read clearly.
  • the font size of the view label is adjusted to be larger, and the following figure is obtained.
  • the phenomenon of overlapped view labels can be automatically identified.
  • the Adjust the display style of the legend label For example, apply line breaks to very long tags consisting of two or more words; or, rotate tags by 45 degrees first, then increase the rotation to 90 degrees if there is still overlap.
  • whether the two paragraphs of text overlap can be judged by parameters such as start and end points and gaps of the two paragraphs of text.
  • the lengths of the two texts are known to be len1 and len2, and the distances between the starting endpoints of the two texts and the origin of the coordinate system are startLen1 and startLen2, respectively, and we expect the gap between the two texts to be gap.
  • (len1+len2)/2 ⁇ abs(startLen2-startLen1)-gap is established, it indicates that the two paragraphs of text do not overlap.
  • the following is an embodiment of the multi-view display device provided by the embodiment of the present invention.
  • the device and the multi-view display method of the above-mentioned embodiment belong to the same inventive concept, and can realize the multi-view display method of the above-mentioned embodiment.
  • the nine views in Figure 11 are used as the views to be planned, and when there is only one view display area, if the view display method in the prior art is adopted, the view planning shown in Figure 12 can be obtained
  • the view planning effect as shown in FIG. 13 can be obtained.
  • the three view display interface means that the three view groups are divided into three pages for display, not three view display areas.
  • the view planning display effect shown in Figure 14 can be obtained; if the multi-view display method in this embodiment is used, the view display effect shown in Figure 15 can be obtained
  • the displayed view planning effect is obviously more readable and the layout is more reasonable.
  • FIG. 16 shows an effect diagram of displaying multiple views in FIG. 11 in three view display areas by using the technology of the embodiment of the present invention.
  • FIG. 17 is a schematic structural diagram of a multi-view display device provided by Embodiment 2 of the present invention. This embodiment is applicable to the situation of layout planning and display of multiple views simultaneously displayed.
  • the multi-view presentation device includes an initial view data acquisition module 210 , an initial view data acquisition module 210 and a view presentation planning module 230 .
  • the initial view data acquisition module 210 is used to obtain the display view to be planned, view information and view display area parameters;
  • the view grouping module 220 is used to establish a view visualization tree structure according to the initial layout of the display view to be planned, and based on The view visualization tree structure groups the display views to be planned;
  • the view display planning module 230 is configured to determine the display views to be planned according to the grouping results of the display views to be planned, the view information, and the view display area parameters. Planning the planning result of the display view, and displaying the display view to be planned according to the planning result.
  • the view grouping module 220 includes a visual tree structure establishment submodule for:
  • the horizontal or vertical segmentation is used for segmentation, and the view visualization tree structure is constructed according to the segmentation results.
  • the view grouping module 220 also includes a view grouping submodule, configured to:
  • the views corresponding to the nodes having the same parent node are divided into one group.
  • the visual tree structure establishment submodule is also used for:
  • the views corresponding to the connected nodes are views of the same category and size, the views corresponding to the connected nodes are taken as a whole without splitting.
  • the view display planning module 230 includes:
  • the display area determination sub-module is used to determine the view display that can be used by each group of views after grouping according to the number of groups of the views to be displayed and the number of view display areas in the view display area parameters and the size of each view display area area;
  • the view arrangement scheme generation sub-module is used to generate all grouped views according to the view category and view scaling parameters in the view information in each view display area that can be used by the grouped views.
  • Arrangement plan ;
  • the view layout scheme determination sub-module is used to calculate the cost value of each layout scheme based on preset rules for each grouped view, and use the scheme with the lowest cost value in each view display area as the view in each group.
  • the multi-view group overall arrangement scheme determination sub-module is used to calculate the cost value of the overall arrangement scheme of the multiple matching results of multiple grouped views synchronously matched with the view display area based on the preset rules, and combine the Among the multiple matching results, the layout scheme with the lowest cost value of the overall layout scheme is used as the final view planning result.
  • the display area determination submodule is specifically used for:
  • each view display area serves as a view display area that can be used by each group of views after grouping.
  • the view layout scheme generating submodule is specifically used for:
  • Each grouped group of views is stretched, flipped or rotated in each usable view display area according to the view category and view scaling parameters to generate multiple view arrangement schemes.
  • the preset rules include:
  • the multi-view display device further includes a text adjustment module, configured to adjust the font and font size of text in each view in each view display area.
  • the multi-view display device further includes a legend style adjustment module, configured to adjust the text when it is recognized that the legend label text in any view overlaps before displaying the display view to be planned according to the planning result.
  • the display style of overlapping legend labels has been adjusted.
  • the multi-view display device provided by the embodiments of the present invention can execute the multi-view display method provided by any embodiment of the present invention, and has corresponding functional modules and beneficial effects for executing the method.
  • FIG. 18 is a schematic structural diagram of a computer device provided by Embodiment 3 of the present invention.
  • Figure 18 shows a block diagram of an exemplary computer device 12 suitable for use in implementing embodiments of the present invention.
  • the computer device 12 shown in FIG. 18 is only an example, and should not limit the functions and scope of use of this embodiment of the present invention.
  • the computer device 12 can be any terminal device with computing capability, such as an intelligent controller, a server, a mobile phone and other terminal devices.
  • computer device 12 takes the form of a general-purpose computing device.
  • Components of computer device 12 may include, but are not limited to: one or more processors or processing units 16 , system memory 28 , bus 18 connecting various system components including system memory 28 and processing unit 16 .
  • Bus 18 represents one or more of several types of bus structures, including a memory bus or memory controller, a peripheral bus, an accelerated graphics port, a processor, or a local bus using any of a variety of bus structures. Examples of these architectures include, but are not limited to, the Industry Standard Architecture (ISA) bus, the Micro Channel Architecture (MAC) bus, the Enhanced ISA bus, the Video Electronics Standards Association (VESA) local bus, and the Peripheral Component Interconnect ( PCI) bus.
  • ISA Industry Standard Architecture
  • MAC Micro Channel Architecture
  • VESA Video Electronics Standards Association
  • PCI Peripheral Component Interconnect
  • Computer device 12 typically includes a variety of computer system readable media. These media can be any available media that can be accessed by computer device 12 and include both volatile and nonvolatile media, removable and non-removable media.
  • System memory 28 may include computer system readable media in the form of volatile memory, such as random access memory (RAM) 30 and/or cache memory 32 .
  • Computer device 12 may further include other removable/non-removable, volatile/nonvolatile computer system storage media.
  • storage system 34 may be used to read and write to non-removable, non-volatile magnetic media (not shown in FIG. 18, commonly referred to as a "hard drive”).
  • disk drives for reading and writing to removable non-volatile disks such as "floppy disks”
  • removable non-volatile optical disks such as CD-ROM, DVD-ROM or other optical media
  • each drive may be connected to bus 18 via one or more data media interfaces.
  • System memory 28 may include at least one program product having a set (eg, at least one) of program modules configured to perform the functions of various embodiments of the present invention.
  • Program/utility 40 may be stored, for example, in system memory 28 as a set (at least one) of program modules 42 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each or some combination of these examples may include the implementation of the network environment.
  • Program modules 42 generally perform the functions and/or methodologies of the described embodiments of the invention.
  • Computer device 12 may also communicate with one or more external devices 14 (e.g., a keyboard, pointing device, display 24, etc.), and with one or more devices that enable a user to interact with computer device 12, and/or with Any device (eg, network card, modem, etc.) that enables the computing device 12 to communicate with one or more other computing devices. Such communication may occur through input/output (I/O) interface 22 .
  • the computer device 12 can also communicate with one or more networks (eg, a local area network (LAN), a wide area network (WAN) and/or a public network, such as the Internet) through the network adapter 20 .
  • network adapter 20 communicates with other modules of computer device 12 via bus 18 .
  • bus 18 e.g., other hardware and/or software modules may be used in conjunction with computer device 12, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape Drives and data backup storage systems, etc.
  • the processing unit 16 executes various functional applications and data processing by running the program stored in the system memory 28, for example, implementing a multi-view display method provided by the embodiment of the present invention, including:
  • Embodiment 4 provides a computer-readable storage medium on which a computer program is stored.
  • the program is executed by a processor, the multi-view presentation method provided in any embodiment of the present invention is implemented, including:
  • the computer storage medium in the embodiments of the present invention may use any combination of one or more computer-readable media.
  • the computer readable medium may be a computer readable signal medium or a computer readable storage medium.
  • a computer-readable storage medium may be, for example but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device, or device, or any combination thereof. More specific examples (non-exhaustive list) of computer-readable storage media include: electrical connections with one or more leads, portable computer disks, hard disks, random access memory (RAM), read only memory (ROM), Erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the above.
  • a computer-readable storage medium may be any tangible medium that contains or stores a program that can be used by or in conjunction with an instruction execution system, apparatus, or device.
  • a computer readable signal medium may include a data signal carrying computer readable program code in baseband or as part of a carrier wave. Such propagated data signals may take many forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing.
  • a computer-readable signal medium may also be any computer-readable medium other than a computer-readable storage medium, which can send, propagate, or transmit a program for use by or in conjunction with an instruction execution system, apparatus, or device. .
  • Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
  • Computer program code for carrying out the operations of the present invention may be written in one or more programming languages, or combinations thereof, including object-oriented programming languages, such as Java, Smalltalk, C++, and conventional A procedural programming language, such as the "C" language or similar programming language.
  • the program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server.
  • the remote computer can be connected to the user computer through any kind of network, including a local area network (LAN) or a wide area network (WAN), or it can be connected to an external computer (such as through the Internet using an Internet service provider). connect).
  • LAN local area network
  • WAN wide area network
  • connect such as AT&T, MCI, Sprint, EarthLink, MSN, GTE, etc.
  • each module or each step of the present invention described above can be realized by a general-purpose computing device, and they can be concentrated on a single computing device, or distributed on a network formed by multiple computing devices.
  • they can be implemented with executable program codes of computer devices, so that they can be stored in storage devices and executed by computing devices, or they can be made into individual integrated circuit modules, or a plurality of modules in them Or the steps are fabricated into a single integrated circuit module to realize.
  • the present invention is not limited to any specific combination of hardware and software.

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Abstract

本发明实施例公开了一种多视图展示方法、装置、设备和介质，其中，方法包括：获取待规划展示视图、视图信息及视图展示区域参数；据所述待规划展示视图的初始布局建立视图可视化树结构，并基于所述视图可视化树结构为所述待规划展示视图进行分组；根据所述待规划展示视图的分组结果、所述视图信息和所述视图展示区域参数确定所述待规划展示视图的规划结果，并根据所述规划结果展示所述待规划展示视图。本实施例的技术方案解决了现有技术中多视图布局不合理导致可读性低的问题，实现了根据视图特性以及视图展示区域的参数对多视图展示进行组合规划，使多视图展示结果更加合理，提高视图可读性。

Description

一种多视图展示方法、装置、设备和介质 技术领域
本发明实施例涉及数据可视化技术领域，尤其涉及一种多视图展示方法、装置、设备和介质。
 背景技术
多视图可视化可将不同种类的视图组合起来，从多个角度展示数据的特征或是同时展示不同的数据。由于受到移动设备屏幕大小的限制，多视图可视化在进行显示时，难以同时显示所有信息，为此需要将多视图可视化包含的视图进行视图规划，以进行视图展示。
目前的多视图可视化展示的规划是通过分析展示屏幕的展示空间，以及每个可视化视图的最大尺寸，将多个视图进行组合显示，尽可能将各视图尺寸最大化，此种视图规划方法只考虑了垂直堆叠和基于网格的视图布局，没有充分利用实践中多视图可视化的视图布局的丰富性，布局不合理导致视图可读性低，视图布局方式还有待优化。
 技术问题
本发明实施例提供了一种多视图展示方法、装置、设备和介质，以实现根据视图特性以及视图展示区域的参数对多视图展示进行组合规划，使多视图展示结果更加合理，提高视图可读性。
 技术解决方案
第一方面，本发明实施例提供了一种多视图展示方法，该方法包括：
获取待规划展示视图、视图信息及视图展示区域参数；
根据所述待规划展示视图的初始布局建立视图可视化树结构，并基于所述视图可视化树结构为所述待规划展示视图进行分组；
根据所述待规划展示视图的分组结果、所述视图信息和所述视图展示区域参数确定所述待规划展示视图的规划结果，并根据所述规划结果展示所述待规划展示视图。
可选的，所述根据所述待规划展示视图的初始布局建立视图可视化树结构，包括：
将所述待规划展示视图中每一个视图作为一个节点，在所述初始布局中位置相邻的两个视图对应的节点之间建立连接线，形成视图连接拓扑结构图；
针对所述视图连接拓扑结构图中的各节点之间的连接线，采用水平或垂直的切分的方式进行切分，并根据切分结果构建视图可视化树结构。
可选的，所述基于所述视图可视化树结构为所述待规划展示视图进行分组，包括：
将所述视图可视化树结构中，具有相同父节点的节点对应的视图分为一组。
可选的，针对所述视图连接拓扑结构图中的各节点之间的连接线，采用水平或垂直的切分的方式进行切分，包括：
当相连接的节点对应的视图为类别和尺寸相同的视图时，将所述相连接的节点对应的视图作为一个整体，不进行切分。
可选的，所述根据所述待规划展示视图的分组结果、所述视图信息和所述视图展示区域参数确定所述待规划展示视图的规划结果，包括：
根据所述待规划展示视图的分组数量以及所述视图展示区域参数中的视图展示区域数量和各视图展示区域的尺寸确定分组后的各组视图能够使用的视图展示区域；
在分组后的各组视图能够使用的每一个视图展示区域中，按照所述视图信息中的视图类别和视图缩放比例参数，生成分组后的各组视图全部排布方案；
针对分组后的各组视图，基于预设规则计算每一个排布方案的成本数值，并将在各视图展示区域中成本数值最低的方案作为各组视图在对应的视图展示区域中的排布方案；
基于所述预设规则，计算分组后多组视图与视图展示区域同步匹配的多个匹配结果的整体排布方案的成本数值，并将所述多个匹配结果中整体排布方案的成本数值最低的排布方案作为最终的视图规划结果。
可选的，所述根据所述待规划展示视图的分组数量以及所述视图展示区域参数中的视图展示区域数量和各视图展示区域的尺寸确定分组后的各组视图能够使用的视图展示区域，包括：
当所述视图分组的数量小于所述视图展示区域数量时，按照各视图展示区域的尺寸大小，在视图展示区域中选取与所述视图分组的数量相同的视图展示区域，作为分组后的各组视图能够使用的视图展示区域；
当所述视图分组的数量大于或等于所述视图展示区域数量时，每一个视图展示区域均作为分组后的各组视图能够使用的视图展示区域。
可选的，所述按照所述视图信息中的视图类别、视图缩放比例参数，在展示区域中生成分组后的各组视图全部排布方案，包括：
将分组后的各组视图在每一个能够使用的视图展示区域中，按照视图类别和视图缩放比例参数进行拉伸、翻转或旋转操作，生成多个视图排布方案。
可选的，所述预设规则包括：
针对每一个排布方案中，通过计算视图展示区域中的显示区域空间利用率、每个视图尺寸与对应原视图尺寸的缩放比例、每个视图长宽比与对应原视图的长宽比差值及排布方案中视图拓扑结构指标与原拓扑结构指标的差值之和作为成本数值。
可选的，在根据所述规划结果展示所述待规划展示视图之前，所述方法还包括：
调整各视图展示区域中各视图中的文本字体和字号。
可选的，在根据所述规划结果展示所述待规划展示视图之前，所述方法还包括：
当识别到任一视图中的图例标签文本重叠时，对文本重叠的图例标签的展示样式进行调整。
第二方面，本发明实施例提供了一种多视图展示装置，该装置包括：
初始视图数据获取模块，用于获取待规划展示视图、视图信息及视图展示区域参数；
视图分组模块，用于根据所述待规划展示视图的初始布局建立视图可视化树结构，并基于所述视图可视化树结构为所述待规划展示视图进行分组；
视图展示规划模块，用于根据所述待规划展示视图的分组结果、所述视图信息和所述视图展示区域参数确定所述待规划展示视图的规划结果，并根据所述规划结果展示所述待规划展示视图。
可选的，所述视图分组模块包括可视化树结构建立子模块，用于：
将所述待规划展示视图中每一个视图作为一个节点，在所述初始布局中位置相邻的两个视图对应的节点之间建立连接线，形成视图连接拓扑结构图；
针对所述视图连接拓扑结构图中的各节点之间的连接线，采用水平或垂直的切分的方式进行切分，并根据切分结果构建视图可视化树结构。
可选的，所述视图分组模块包括视图分组子模块，用于：
将所述视图可视化树结构中，具有相同父节点的节点对应的视图分为一组。
可选的，所述可视化树结构建立子模块还用于：
当相连接的节点对应的视图为类别和尺寸相同的视图时，将所述相连接的节点对应的视图作为一个整体，不进行切分。
可选的，所述视图展示规划模块包括：
展示区域确定子模块，用于根据所述待规划展示视图的分组数量以及所述视图展示区域参数中的视图展示区域数量和各视图展示区域的尺寸确定分组后的各组视图能够使用的视图展示区域；
视图排布方案生成子模块，用于在分组后的各组视图能够使用的每一个视图展示区域中，按照所述视图信息中的视图类别和视图缩放比例参数，生成分组后的各组视图全部排布方案；
视图排布方案确定子模块，用于针对分组后的各组视图，基于预设规则计算每一个排布方案的成本数值，并将在各视图展示区域中成本数值最低的方案作为各组视图在对应的视图展示区域中的排布方案；
多视图组整体排布方案确定子模块，用于基于所述预设规则，计算分组后多组视图与视图展示区域同步匹配的多个匹配结果的整体排布方案的成本数值，并将所述多个匹配结果中整体排布方案的成本数值最低的排布方案作为最终的视图规划结果。
可选的，所述展示区域确定子模块具体用于：
当所述视图分组的数量小于所述视图展示区域数量时，按照各视图展示区域的尺寸大小，在视图展示区域中选取与所述视图分组的数量相同的视图展示区域，作为分组后的各组视图能够使用的视图展示区域；
当所述视图分组的数量大于或等于所述视图展示区域数量时，每一个视图展示区域均作为分组后的各组视图能够使用的视图展示区域。
可选的，所述视图排布方案生成子模块具体用于：
将分组后的各组视图在每一个能够使用的视图展示区域中，按照视图类别和视图缩放比例参数进行拉伸、翻转或旋转操作，生成多个视图排布方案。
可选的，所述预设规则包括：
针对每一个排布方案中，通过计算视图展示区域中的显示区域空间利用率、每个视图尺寸与对应原视图尺寸的缩放比例、每个视图长宽比与对应原视图的长宽比差值及排布方案中视图拓扑结构指标与原拓扑结构指标的差值之和作为成本数值。
可选的，所述多视图展示装置还包括文字调整模块，用于调整各视图展示区域中各视图中的文本字体和字号。
可选的，所述多视图展示装置还包括图例样式调整模块，用于在根据所述规划结果展示所述待规划展示视图之前，当识别到任一视图中的图例标签文本重叠时，对文本重叠的图例标签的展示样式进行调整。
第三方面，本发明实施例还提供了一种计算机设备，所述计算机设备包括：
一个或多个处理器；
存储器，用于存储一个或多个程序；
当所述一个或多个程序被所述一个或多个处理器执行，使得所述一个或多个处理器实现如本发明任意实施例所提供的多视图展示方法。
第四方面，本发明实施例还提供了一种计算机可读存储介质，其上存储有计算机程序，该程序被处理器执行时实现如本发明任意实施例所提供的多视图展示。
 有益效果
上述发明中的实施例具有如下优点或有益效果：
本发明实施例，通过获取待规划展示视图、视图信息及视图展示区域参数；根据所述待规划展示视图的初始布局建立视图可视化树结构，并基于所述视图可视化树结构为所述待规划展示视图进行分组；根据所述待规划展示视图的分组结果、所述视图信息和所述视图展示区域参数确定所述待规划展示视图的规划结果，并根据所述规划结果展示所述待规划展示视图。解决了现有技术中多视图布局不合理导致可读性低的问题，实现了根据视图特性以及视图展示区域的参数对多视图展示进行组合规划，使多视图展示结果更加合理，提高视图可读性。
 附图说明
图1是本发明实施例一提供的一种多视图展示方法的流程图；
图2是本发明实施例一提供的一组待规划展示视图例图；
图3是本发明实施例一提供的一组视图展示区域排布示意图；
图4是本发明实施例一提供的图2中待规划展示视图的视图拓扑结构示意图；
图5是本发明实施例一提供的对图4中的视图拓扑结构进行切分的过程示意图；
图6是本发明实施例一提供的基于图4的切分过程确定的视图可视化树结构的示意图；
图7是本发明实施例一提供的对图2中待规划展示视图进行视图分组结果示意图；
图8是本发明实施例一提供的一个视图组在一个视图展示区域中多种视图排布方案的示意图；
图9是本发明实施例一提供的将图2中待规划视图分为2组视图的规划展示效果图；
图10是本发明实施例一提供的一种视图标签字号调整过程示意图；
图11是本发明实施例一提供的一个应用实例中待规划展示视图的示意图；
图12是本发明实施例一提供的采用现有技术在一个视图展示区域中展示图11中多视图的效果图；
图13是本发明实施例一提供的采用本发明实施例技术在一个视图展示区域中展示图11中多视图的效果图；
图14是本发明实施例一提供的一种采用现有技术在两个视图展示区域中展示图11中多视图的效果图；
图15是本发明实施例一提供的采用本发明实施例技术在两个视图展示区域中展示图11中多视图的效果图；
图16是本发明实施例一提供的采用本发明实施例技术在三个视图展示区域中展示图11中多视图的效果图；
图17是本发明实施例二提供的一种多视图展示装置的结构示意图；
图18是本发明实施例三提供的一种计算机设备的结构示意图。
 本发明的实施方式
下面结合附图和实施例对本发明作进一步的详细说明。可以理解的是，此处所描述的具体实施例仅仅用于解释本发明，而非对本发明的限定。另外还需要说明的是，为了便于描述，附图中仅示出了与本发明相关的部分而非全部结构。
实施例一
图1为本发明实施例一提供的一种多视图展示方法的流程图，本实施例可适用于对同时展示的多个视图进行布局规划并展示的情况。该方法可以由多视图展示装置执行，该装置可以由软件和/或硬件的方式来实现，集成于具有应用开发功能的电子设备中。
如图1所示，多视图展示方法包括以下步骤：
S110、获取待规划展示视图、视图信息及视图展示区域参数。
其中，待规划展示视图是由用户上传到多视图展示规划系统的视图，是用户根据待展示的数据初步制作形成时可视化视图。
视图信息则包括视图类型，编码信息，以及边界框等信息。其中，视图类型，用于描述可视化中的数据项或链接的基本几何元素，包括散点图、线型图、柱状图、面积图、饼状图和地图等视图类型。不同类型的视图具有不同的属性，如视图是否能够旋转的属性是不同的，通常只有柱状图是可以旋转的，其他类型的视图是不可以旋转的。编码信息是用于控制视图的视觉外观的信息，包括标签字体大小、颜色展示样式等信息。边界框则指定了视图的显示属性，由视图的中心点的位置，宽和高构成，还包括视图的宽和高数值调整范围。例如，图2示出了一组获取到的待规划展示视图，在该组视图中，包括柱状图（最左侧图），地图（中间的图），线状图（最右侧一列图中的最上面的图），散点图（最右侧一列图中的中间的图）和饼状图（最右侧一列图中的最下面的图）。图2中的柱状图当前所在的位置的中心点的置（0.0885，0.5），宽为0.177个单位，高为1个单位。
进一步的，视图展示区域参数包括用于展示待规划展示视图的区域数量、尺寸以及多个视图展示区域的布局。视图展示区域通常为显示终端的屏幕，可以是一个终端的显示屏幕，也可以由多个终端的显示屏幕组成。多个视图展示区域的布局则是指视图展示区域包含多个终端时，多个终端的排列情况，如左右和/或上下并排的多种布局方式。如图3所示，假设用户希望将图2中的多个可视化视图，经过重新规划布局后，显示在图3所示的视图展示区域中，该视图展示区域由两个移动终端构成，其中，左侧为智能手机尺寸为375*667，右侧平板电脑的尺寸为1024*768，两者采用左右并排的布局方式。
S120、根据所述待规划展示视图的初始布局建立视图可视化树结构，并基于所述视图可视化树结构为所述待规划展示视图进行分组。
本实施例中，获取到的待规划展示视图的初始布局，是指获取到待规划展示视图时，各视图的尺寸大小、宽高比以及各视图之间的布局关系等信息，例如，图2中各视图的排布即为其初始布局。待规划展示视图的初始布局页体现了用户的视图排布偏好，如哪一个视图和哪一个视图连在一起等视图的设置参数。
首先，先依据待规划展示视图的初始布局，将待规划展示视图中每一个视图作为一个节点，在初始布局中位置相邻的两个视图对应的节点之间建立连接线，建立一个初始的视图拓扑结构，可以理解的是，节点间的连线是无向的。初始的视图拓扑结构可参考图4中所示的拓扑结构，其中，a、b、c、d和e分别代表图2中的5个视图。
进一步的，针对图4中的视图拓扑结构图中的各节点之间的连接线，采用水平或垂直的切分的方式进行切分，直到视图之间不能被分割为止。切分的过程如图5所示。在图5中，数字1、2、3和4分别表示进行切分的先后顺序。通过切片1将视图分为两组，接下来是切片2、3和4，直到视图之间不能被分割为止。特别的，当相连接的节点对应的视图为类别和尺寸相同的视图时，将这些相连接的节点对应的视图作为一个整体，不进行切分。
然后，根据切分的结果，可以构成如图6所示的视图可视化树结构。
最终，视图可视化树结构的基础上，对多个视图进行分组。例如，可以将视图可视化树结构中，具有相同父节点的节点对应的视图分为一组。分组结果可参考图7所示的视图分组结果示意图。当视图展示区域只有一个时（即一个终端），可以将切分开的5个视图作为一组，分别在终端显示界面上进行显示。当视图展示区域有两个时（即2个终端），可以将多个视图分为两组，视图a和b为一组，视图b、c和d为一组。或者，还可以分为3组或4组等其他分组方式。在视图拓扑结构图中，无连接的结点对应视图不被分在同一组即可。
S130、根据所述待规划展示视图的分组结果、所述视图信息和所述视图展示区域参数确定所述待规划展示视图的规划结果，并根据所述规划结果展示所述待规划展示视图。
在视图规划的过程中，由于视图展示区域（目标移动终端）数量是固定的，而视图分组的数量是动态的，而不是确定的，我们需要进一步的确定视图分组以及对应的视图展示区域中视图排布规划的结果。
首先，要根据待规划展示视图的分组数量以及所述视图展示区域参数中的视图展示区域数量和各视图展示区域的尺寸确定分组后的各组视图能够使用的视图展示区域。
当所述视图分组的数量小于视图展示区域数量时，表明一些移动终端可能不会被使用，那么便按照各视图展示区域的尺寸大小，在多个视图展示区域中选取尺寸较大的，数量所述视图分组的数量相同的视图展示区域，作为分组后的各组视图能够使用的视图展示区域；当视图分组的数量大于或等于视图展示区域数量时，每一个视图展示区域均作为分组后的各组视图能够使用的视图展示区域。即目前，对于分组后的每一个视图组，可以使用任意一个视图展示区域进行展示，至于最终选取哪一个视图展示区域，还需要进一步的对视图排布展示方案进行评估。
然后，生成分组后的每一个视图组，在每一个可以使用的视图展示区域中，全部的排布方案。具体的，可以在分组后的各组视图能够使用的每一个视图展示区域中，按照所述视图信息中的视图类别和视图缩放比例参数，生成分组后的各组视图全部排布方案。如将分组后的各组视图在每一个能够使用的视图展示区域中，按照视图类别和视图缩放比例参数进行拉伸、翻转或旋转操作，生成多个视图排布方案。示例性的，可参考图8所示的一个视图组在一个可以使用的视图展示区域中的多种排布方式，其中，将每个视图用矩形的四个顶点表示，这些点可以放置视图展示区域的任何位置，但不允许放置在其他视图内，确保不重叠。如果两个矩形之间共享整条边，则有两个共享顶点，为初始化设计（如图（a）），1和2为视图组中两个视图的共享节点；如果两个矩形共享部分，则拥有一个共享顶点（如图（c1））。通过对视图进行拉伸，将视图的一条边向特定方向移动，如果该视图的顶点和另一个视图共享，则另一个视图共享边也向同样的方向移动，可由图（a）得到图（b）。将两个视图之间的相邻关系从水平翻转到垂直，通过翻转可以打破两个视图之间共享点，还可以进一步的得到图（c1）。将图（c1）中上面的图进行旋转，以转换视图的宽和高，可得到图（c2），再由图（c2）进行拉伸得到图（c3）共五种视图排布方案。同理，该组视图在其他的可以使用的视图展示区域中，也可以按照上述方式，得到多种视图排布方案。也就是说，如果将待规划展示视图进行分组，得到2组视图，且有两个可以使用的视图展示区域时，需要分别确定，第一视图分组在第一视图展示区域的多个视图排布方案，第一视图分组在第二视图展示区域的多个视图排布方案，第二视图分组在第一视图展示区域的多个视图排布方案，以及第二视图分组在第二视图展示区域的多个视图排布方案。
进一步的，要为分组后的各组视图在每一个可以使用的视图展示区域中，确定一个最佳的视图排布方案。即确定第一视图分组在第一视图展示区域的最佳视图排布方案，第一视图分组在第二视图展示区域的最佳视图排布方案，第二视图分组在第一视图展示区域的最佳视图排布方案，以及第二视图分组在第二视图展示区域的最佳视图排布方案。具体的，针对分组后的各组视图，基于一个预设规则计算每一个排布方案的成本数值，并将在各视图展示区域中成本数值最低的方案作为各组视图在对应的视图展示区域中的最佳排布方案。其中，预设规则也可以称为一个成本函数，综合考虑视图展示区域的空间利用率指标、视图相对大小指标、视图长宽比指标以及视图拓扑结构评价指标多方面的数据，来评估多种视图排布方案的呈现效果。
空间利用率指标是用100% 减去视图排布方案中，多个视图占视图展示区域的面积比例。相对大小指标是指该视图分组中的视图在初始布局中的视图面积与原视图展示区域面积的比值，与新的视图排布方案中视图面积占其所在的可以使用的视图展示区域面积比值的差值。长宽比指标是指该视图分组中的各视图在初始布局中视图的长宽比值，与新的视图排布方案中对应视图的长宽比值之差。拓扑结构指标是采用威斯费勒-莱曼算法来计算视图分组中的视图在初始布局中的拓扑结构指标与新的视图排布方案中的拓扑结构指标值之差。当视图分组中包含多个视图时，相对大小指标和长宽比指标采用将多个视图的指标求平均值的方式进行计算。最终，将四个指标的数值相加作为成本函数数值。
接下来，要综合考虑多个视图分组的整体布局，判断是采取第一视图分组在第一视图展示区域的最佳视图排布方案和第二视图分组在第二视图展示区域的最佳视图排布方案，还是采取第一视图分组在第二视图展示区域的最佳视图排布方案和第二视图分组在第一视图展示区域的最佳视图排布方案。同样，从整体出发，基于上述预设规则，计算分组后多组视图与多个视图展示区域同步匹配的多个匹配结果的整体排布方案的成本数值，并将所述多个匹配结果中整体排布方案的成本数值最低的排布方案作为最终的视图规划结果。在从整体评估多个视图组的排布方案时，各指标的计算采用针对每个视图展示区域的各指标均值。根据成本函数数值的计算，最终选定的排布方案，可如图9和图10所示。其中，图9中将待规划视图分为了2组，且视图展示区域的数量为2，两个视图展示区域的排布方式如图9所示。
本实施例的技术方案，通过获取待规划展示视图、视图信息及视图展示区域参数；根据所述待规划展示视图的初始布局建立视图可视化树结构，并基于所述视图可视化树结构为所述待规划展示视图进行分组；根据所述待规划展示视图的分组结果、所述视图信息和所述视图展示区域参数确定所述待规划展示视图的规划结果，并根据所述规划结果展示所述待规划展示视图，即分别对分组后的各组视图确定其在各视图显示区域的排布方式，进而确定多组视图的整体视图排布方案。解决了现有技术中多视图布局不合理导致可读性低的问题，实现了根据视图特性以及视图展示区域的参数对多视图展示进行组合规划，使多视图展示结果更加合理，提高视图可读性。
在一种优选的实施例中，在视图的排布方式确定之后，以及在展示待规划展示视图之前，还可以进一步的调整各视图展示区域中各视图中的文本字体和字号，如设置最小的字号为12px，以使文字能够被清晰阅读。另一方面，为了了保持多个视图一致性，还可以使每个视图标签使用相同字体大小，该一致性同样适用于标题大小。如图10所示的视图标签字号调整过程，将上图中的横坐标的字号调整变大，得到下图。在另一种优选的实施方式中，在根据规划结果展示待规划展示视图之前，还可以自动地识别视图标签重叠的现象，当识别到任一视图中的图例标签文本重叠时，对文本重叠的图例标签的展示样式进行调整。例如，将换行符应用于由两个或更多单词组成的超长标签；或者，将标签进行旋转，可以先旋转45度，如果仍然存在重叠，则将旋转增加到90度。具体的，可以通过两段文字的起止点及间隙等参数判断两段文字是否发生重叠。示例型的，已知两段文字的长度分别为len1和len2，且已知两段文字的起始端点距离坐标系原点的距离分别为startLen1和startLen2，并且我们期望两段文字间间隙为gap，当（len1+len2）/2 < abs(startLen2-startLen1)-gap成立时，表明该两段文字时不重叠的。
以下是本发明实施例提供的多视图展示装置的实施例，该装置与上述实施例的多视图展示方法属于同一个发明构思，可实现上述实施例的多视图展示方法。在多视图展示装置的实施例中未详尽描述的细节内容，可以参考上述多视图展示方法的实施例。
在一个具体的实施例中，以图11中的9个视图作为待规划展示视图，在只有一个视图展示区域时，若采用现有技术中的视图展示方式，可得到图12所示的视图规划展示效果，若采用本实施例中的多视图展示方法，可以得到如图13所示的视图规划效果。图13中，3个视图展示界面表示三个视图分组分成3页进行展示，并非三个视图展示区域。在有两个视图展示区域时，若采用现有技术中的视图展示方式，可得到图14所示的视图规划展示效果，若采用本实施例中的多视图展示方法，可以得到如图15所示的视图规划效果。其中，图15的展示效果明显可读性更佳，布局更为合理。图16展示了采用本发明实施例技术，在三个视图展示区域中展示图11中多视图的效果图。
实施例二
图17为本发明实施例二提供的一种多视图展示装置的结构示意图，本实施例可适用于对同时展示的多个视图进行布局规划并展示的情况。
如图17所示，多视图展示装置包括初始视图数据获取模块210、初始视图数据获取模块210和视图展示规划模块230。
其中，初始视图数据获取模块210，用于获取待规划展示视图、视图信息及视图展示区域参数；视图分组模块220，用于根据所述待规划展示视图的初始布局建立视图可视化树结构，并基于所述视图可视化树结构为所述待规划展示视图进行分组；视图展示规划模块230，用于根据所述待规划展示视图的分组结果、所述视图信息和所述视图展示区域参数确定所述待规划展示视图的规划结果，并根据所述规划结果展示所述待规划展示视图。
本实施例的技术方案，通过获取待规划展示视图、视图信息及视图展示区域参数；根据所述待规划展示视图的初始布局建立视图可视化树结构，并基于所述视图可视化树结构为所述待规划展示视图进行分组；根据所述待规划展示视图的分组结果、所述视图信息和所述视图展示区域参数确定所述待规划展示视图的规划结果，并根据所述规划结果展示所述待规划展示视图，即分别对分组后的各组视图确定其在各视图显示区域的排布方式，进而确定多组视图的整体视图排布方案。解决了现有技术中多视图布局不合理导致可读性低的问题，实现了根据视图特性以及视图展示区域的参数对多视图展示进行组合规划，使多视图展示结果更加合理，提高视图可读性。
可选的，所述视图分组模块220包括可视化树结构建立子模块，用于：
将所述待规划展示视图中每一个视图作为一个节点，在所述初始布局中位置相邻的两个视图对应的节点之间建立连接线，形成视图连接拓扑结构图；
针对所述视图连接拓扑结构图中的各节点之间的连接线，采用水平或垂直的切分的方式进行切分，并根据切分结果构建视图可视化树结构。
可选的，所述视图分组模块220还包括视图分组子模块，用于：
将所述视图可视化树结构中，具有相同父节点的节点对应的视图分为一组。
可选的，所述可视化树结构建立子模块还用于：
当相连接的节点对应的视图为类别和尺寸相同的视图时，将所述相连接的节点对应的视图作为一个整体，不进行切分。
可选的，所述视图展示规划模块230包括：
展示区域确定子模块，用于根据所述待规划展示视图的分组数量以及所述视图展示区域参数中的视图展示区域数量和各视图展示区域的尺寸确定分组后的各组视图能够使用的视图展示区域；
视图排布方案生成子模块，用于在分组后的各组视图能够使用的每一个视图展示区域中，按照所述视图信息中的视图类别和视图缩放比例参数，生成分组后的各组视图全部排布方案；
视图排布方案确定子模块，用于针对分组后的各组视图，基于预设规则计算每一个排布方案的成本数值，并将在各视图展示区域中成本数值最低的方案作为各组视图在对应的视图展示区域中的排布方案；
多视图组整体排布方案确定子模块，用于基于所述预设规则，计算分组后多组视图与视图展示区域同步匹配的多个匹配结果的整体排布方案的成本数值，并将所述多个匹配结果中整体排布方案的成本数值最低的排布方案作为最终的视图规划结果。
可选的，所述展示区域确定子模块具体用于：
当所述视图分组的数量小于所述视图展示区域数量时，按照各视图展示区域的尺寸大小，在视图展示区域中选取与所述视图分组的数量相同的视图展示区域，作为分组后的各组视图能够使用的视图展示区域；
当所述视图分组的数量大于或等于所述视图展示区域数量时，每一个视图展示区域均作为分组后的各组视图能够使用的视图展示区域。
可选的，所述视图排布方案生成子模块具体用于：
将分组后的各组视图在每一个能够使用的视图展示区域中，按照视图类别和视图缩放比例参数进行拉伸、翻转或旋转操作，生成多个视图排布方案。
可选的，所述预设规则包括：
针对每一个排布方案中，通过计算视图展示区域中的显示区域空间利用率、每个视图尺寸与对应原视图尺寸的缩放比例、每个视图长宽比与对应原视图的长宽比差值及排布方案中视图拓扑结构指标与原拓扑结构指标的差值之和作为成本数值。
可选的，所述多视图展示装置还包括文字调整模块，用于调整各视图展示区域中各视图中的文本字体和字号。
可选的，所述多视图展示装置还包括图例样式调整模块，用于在根据所述规划结果展示所述待规划展示视图之前，当识别到任一视图中的图例标签文本重叠时，对文本重叠的图例标签的展示样式进行调整。
本发明实施例所提供的多视图展示装置可执行本发明任意实施例所提供的多视图展示方法，具备执行方法相应的功能模块和有益效果。
实施例三
图18为本发明实施例三提供的一种计算机设备的结构示意图。图18示出了适于用来实现本发明实施方式的示例性计算机设备12的框图。图18显示的计算机设备12仅仅是一个示例，不应对本发明实施例的功能和使用范围带来任何限制。计算机设备12可以任意具有计算能力的终端设备，如智能控制器及服务器、手机等终端设备。
如图18所示，计算机设备12以通用计算设备的形式表现。计算机设备12的组件可以包括但不限于：一个或者多个处理器或者处理单元16，系统存储器28，连接不同系统组件（包括系统存储器28和处理单元16）的总线18。
总线18表示几类总线结构中的一种或多种，包括存储器总线或者存储器控制器，外围总线，图形加速端口，处理器或者使用多种总线结构中的任意总线结构的局域总线。举例来说，这些体系结构包括但不限于工业标准体系结构（ISA）总线，微通道体系结构（MAC）总线，增强型ISA总线、视频电子标准协会（VESA）局域总线以及外围组件互连（PCI）总线。
计算机设备12典型地包括多种计算机系统可读介质。这些介质可以是任何能够被计算机设备12访问的可用介质，包括易失性和非易失性介质，可移动的和不可移动的介质。
系统存储器28可以包括易失性存储器形式的计算机系统可读介质，例如随机存取存储器（RAM）30和/或高速缓存存储器32。计算机设备12可以进一步包括其它可移动/不可移动的、易失性/非易失性计算机系统存储介质。仅作为举例，存储系统34可以用于读写不可移动的、非易失性磁介质（图18未显示，通常称为“硬盘驱动器”）。尽管图18中未示出，可以提供用于对可移动非易失性磁盘（例如“软盘”）读写的磁盘驱动器，以及对可移动非易失性光盘（例如CD-ROM, DVD-ROM或者其它光介质）读写的光盘驱动器。在这些情况下，每个驱动器可以通过一个或者多个数据介质接口与总线18相连。系统存储器28可以包括至少一个程序产品，该程序产品具有一组（例如至少一个）程序模块，这些程序模块被配置以执行本发明各实施例的功能。
具有一组（至少一个）程序模块42的程序/实用工具40，可以存储在例如系统存储器28中，这样的程序模块42包括但不限于操作系统、一个或者多个应用程序、其它程序模块以及程序数据，这些示例中的每一个或某种组合中可能包括网络环境的实现。程序模块42通常执行本发明所描述的实施例中的功能和/或方法。
计算机设备12也可以与一个或多个外部设备14（例如键盘、指向设备、显示器24等）通信，还可与一个或者多个使得用户能与该计算机设备12交互的设备通信，和/或与使得该计算机设备12能与一个或多个其它计算设备进行通信的任何设备（例如网卡，调制解调器等等）通信。这种通信可以通过输入/输出（I/O）接口22进行。并且，计算机设备12还可以通过网络适配器20与一个或者多个网络（例如局域网（LAN），广域网（WAN）和/或公共网络，例如因特网）通信。如图所示，网络适配器20通过总线18与计算机设备12的其它模块通信。应当明白，尽管图18中未示出，可以结合计算机设备12使用其它硬件和/或软件模块，包括但不限于：微代码、设备驱动器、冗余处理单元、外部磁盘驱动阵列、RAID系统、磁带驱动器以及数据备份存储系统等。
处理单元16通过运行存储在系统存储器28中的程序，从而执行各种功能应用以及数据处理，例如实现本发实施例所提供的一种多视图展示方法，包括：
获取待规划展示视图、视图信息及视图展示区域参数；
根据所述待规划展示视图的初始布局建立视图可视化树结构，并基于所述视图可视化树结构为所述待规划展示视图进行分组；
根据所述待规划展示视图的分组结果、所述视图信息和所述视图展示区域参数确定所述待规划展示视图的规划结果，并根据所述规划结果展示所述待规划展示视图。
实施例四
本实施例四提供了一种计算机可读存储介质，其上存储有计算机程序，该程序被处理器执行时实现如本发明任意实施例所提供的多视图展示方法，包括：
获取待规划展示视图、视图信息及视图展示区域参数；
根据所述待规划展示视图的初始布局建立视图可视化树结构，并基于所述视图可视化树结构为所述待规划展示视图进行分组；
根据所述待规划展示视图的分组结果、所述视图信息和所述视图展示区域参数确定所述待规划展示视图的规划结果，并根据所述规划结果展示所述待规划展示视图。
本发明实施例的计算机存储介质，可以采用一个或多个计算机可读的介质的任意组合。计算机可读介质可以是计算机可读信号介质或者计算机可读存储介质。计算机可读存储介质例如可以是但不限于：电、磁、光、电磁、红外线、或半导体的系统、装置或器件，或者任意以上的组合。计算机可读存储介质的更具体的例子（非穷举的列表）包括：具有一个或多个导线的电连接、便携式计算机磁盘、硬盘、随机存取存储器（RAM）、只读存储器(ROM)、可擦式可编程只读存储器(EPROM或闪存)、光纤、便携式紧凑磁盘只读存储器(CD-ROM)、光存储器件、磁存储器件、或者上述的任意合适的组合。在本文件中，计算机可读存储介质可以是任何包含或存储程序的有形介质，该程序可以被指令执行系统、装置或者器件使用或者与其结合使用。
计算机可读的信号介质可以包括在基带中或者作为载波一部分传播的数据信号，其中承载了计算机可读的程序代码。这种传播的数据信号可以采用多种形式，包括但不限于电磁信号、光信号或上述的任意合适的组合。计算机可读的信号介质还可以是计算机可读存储介质以外的任何计算机可读介质，该计算机可读介质可以发送、传播或者传输用于由指令执行系统、装置或者器件使用或者与其结合使用的程序。
计算机可读介质上包含的程序代码可以用任何适当的介质传输，包括但不限于：无线、电线、光缆、RF等等，或者上述的任意合适的组合。
可以以一种或多种程序设计语言或其组合来编写用于执行本发明操作的计算机程序代码，所述程序设计语言包括面向对象的程序设计语言，诸如Java、Smalltalk、C++，还包括常规的过程式程序设计语言，诸如“C”语言或类似的程序设计语言。程序代码可以完全地在用户计算机上执行、部分地在用户计算机上执行、作为一个独立的软件包执行、部分在用户计算机上部分在远程计算机上执行、或者完全在远程计算机或服务器上执行。在涉及远程计算机的情形中，远程计算机可以通过任意种类的网络，包括局域网(LAN)或广域网(WAN)，连接到用户计算机，或者，可以连接到外部计算机（例如利用因特网服务提供商来通过因特网连接）。
本领域普通技术人员应该明白，上述的本发明的各模块或各步骤可以用通用的计算装置来实现，它们可以集中在单个计算装置上，或者分布在多个计算装置所组成的网络上，可选地，他们可以用计算机装置可执行的程序代码来实现，从而可以将它们存储在存储装置中由计算装置来执行，或者将它们分别制作成各个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样，本发明不限制于任何特定的硬件和软件的结合。
注意，上述仅为本发明的较佳实施例及所运用技术原理。本领域技术人员会理解，本发明不限于这里所述的特定实施例，对本领域技术人员来说能够进行各种明显的变化、重新调整和替代而不会脱离本发明的保护范围。因此，虽然通过以上实施例对本发明进行了较为详细的说明，但是本发明不仅仅限于以上实施例，在不脱离本发明构思的情况下，还可以包括更多其他等效实施例，而本发明的范围由所附的权利要求范围决定。

Claims (13)

  1. 一种多视图展示方法，其特征在于，包括：
    获取待规划展示视图、视图信息及视图展示区域参数；
    根据所述待规划展示视图的初始布局建立视图可视化树结构，并基于所述视图可视化树结构为所述待规划展示视图进行分组；
    根据所述待规划展示视图的分组结果、所述视图信息和所述视图展示区域参数确定所述待规划展示视图的规划结果，并根据所述规划结果展示所述待规划展示视图。
  2. 根据权利要求1所述的方法，其特征在于，所述根据所述待规划展示视图的初始布局建立视图可视化树结构，包括：
    将所述待规划展示视图中每一个视图作为一个节点，在所述初始布局中位置相邻的两个视图对应的节点之间建立连接线，形成视图连接拓扑结构图；
    针对所述视图连接拓扑结构图中的各节点之间的连接线，采用水平或垂直的切分的方式进行切分，并根据切分结果构建视图可视化树结构。
  3. 根据权利要求1或2所述的方法，其特征在于，所述基于所述视图可视化树结构为所述待规划展示视图进行分组，包括：
    将所述视图可视化树结构中，具有相同父节点的节点对应的视图分为一组。
  4. 根据权利要求2所述的方法，其特征在于，针对所述视图连接拓扑结构图中的各节点之间的连接线，采用水平或垂直的切分的方式进行切分，包括：
    当相连接的节点对应的视图为类别和尺寸相同的视图时，将所述相连接的节点对应的视图作为一个整体，不进行切分。
  5. 根据权利要求1所述的方法，其特征在于，所述根据所述待规划展示视图的分组结果、所述视图信息和所述视图展示区域参数确定所述待规划展示视图的规划结果，包括：
    根据所述待规划展示视图的分组数量以及所述视图展示区域参数中的视图展示区域数量和各视图展示区域的尺寸确定分组后的各组视图能够使用的视图展示区域；
    在分组后的各组视图能够使用的每一个视图展示区域中，按照所述视图信息中的视图类别和视图缩放比例参数，生成分组后的各组视图全部排布方案；
    针对分组后的各组视图，基于预设规则计算每一个排布方案的成本数值，并将在各视图展示区域中成本数值最低的方案作为各组视图在对应的视图展示区域中的排布方案；
    基于所述预设规则，计算分组后多组视图与视图展示区域同步匹配的多个匹配结果的整体排布方案的成本数值，并将所述多个匹配结果中整体排布方案的成本数值最低的排布方案作为最终的视图规划结果。
  6. 根据权利要求5所述的方法，其特征在于，所述根据所述待规划展示视图的分组数量以及所述视图展示区域参数中的视图展示区域数量和各视图展示区域的尺寸确定分组后的各组视图能够使用的视图展示区域，包括：
    当所述视图分组的数量小于所述视图展示区域数量时，按照各视图展示区域的尺寸大小，在视图展示区域中选取与所述视图分组的数量相同的视图展示区域，作为分组后的各组视图能够使用的视图展示区域；
    当所述视图分组的数量大于或等于所述视图展示区域数量时，每一个视图展示区域均作为分组后的各组视图能够使用的视图展示区域。
  7. 根据权利要求5所述的方法，其特征在于，所述按照所述视图信息中的视图类别、视图缩放比例参数，在展示区域中生成分组后的各组视图全部排布方案，包括：
    将分组后的各组视图在每一个能够使用的视图展示区域中，按照视图类别和视图缩放比例参数进行拉伸、翻转或旋转操作，生成多个视图排布方案。
  8. 根据权利要求5所述的方法，其特征在于，所述预设规则包括：
    针对每一个排布方案中，通过计算视图展示区域中的显示区域空间利用率、每个视图尺寸与对应原视图尺寸的缩放比例、每个视图长宽比与对应原视图的长宽比差值及排布方案中视图拓扑结构指标与原拓扑结构指标的差值之和作为成本数值。
  9. 根据权利要求1所述的方法，其特征在于，在根据所述规划结果展示所述待规划展示视图之前，所述方法还包括：
    调整各视图展示区域中各视图中的文本字体和字号。
  10. 根据权利要求9所述的方法，其特征在于，在根据所述规划结果展示所述待规划展示视图之前，所述方法还包括：
    当识别到任一视图中的图例标签文本重叠时，对文本重叠的图例标签的展示样式进行调整。
  11. 一种多视图展示装置，其特征在于，包括：
    初始视图数据获取模块，用于获取待规划展示视图、视图信息及视图展示区域参数；
    视图分组模块，用于根据所述待规划展示视图的初始布局建立视图可视化树结构，并基于所述视图可视化树结构为所述待规划展示视图进行分组；
    视图展示规划模块，用于根据所述待规划展示视图的分组结果、所述视图信息和所述视图展示区域参数确定所述待规划展示视图的规划结果，并根据所述规划结果展示所述待规划展示视图。
  12. 一种计算机设备，其特征在于，所述计算机设备包括：
    一个或多个处理器；
    存储器，用于存储一个或多个程序；
    当所述一个或多个程序被所述一个或多个处理器执行，使得所述一个或多个处理器实现如权利要求1-10中任一所述的多视图展示方法。
  13. 一种计算机可读存储介质，其上存储有计算机程序，其特征在于，该程序被处理器执行时实现如权利要求1-10中任一所述的多视图展示方法。
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