CN106951544A - Cloud atlas dynamic play method and playing device - Google Patents
Cloud atlas dynamic play method and playing device Download PDFInfo
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Abstract
The invention provides a kind of cloud atlas dynamic play method and playing device, wherein, player method includes：Generate one group subgraph block of the cloud atlas in the case where specifying displaying ratio；Obtain the displaying ratio of client transmission and the request instruction of viewing area；The corresponding subgraph set of blocks to be loaded in viewing area is determined according to request instruction；Indicate that the data frame of subgraph set of blocks is loaded onto a corresponding figure layer in broadcasting figure layer queue by client successively；Indicate that the figure layer for the data frame that client will be loaded with subgraph set of blocks pushes to display interface successively；Indicate that client empties the data frame in show layers according to default display duration, and rearranged as buffering figure layer to the tail of the queue for playing figure layer queue.Pass through technical scheme, it can effectively reduce the data interaction pressure between server and client during the dynamic play of cloud atlas, reduce the memory usage of client, broadcasting fluency is improved, the pixel loss of cloud atlas under different displaying ratios is reduced.
Description
Technical field
The present invention relates to dynamic play technical field, in particular to a kind of cloud atlas dynamic play method and a kind of cloud
Figure dynamic play device.
Background technology
The cloud atlas of meteorological satellite collection can embody the corresponding air-flow change in geographical position during dynamic play, with
Weather is predicted with reference to meteorologic parameter, had especially in terms of the prompting of air index and the early warning of natural calamity aobvious
Write meaning.
In the related art, the pixel of each frame cloud atlas is usually 36000 × 18000, and the dynamic cloud atlas of 15 frames is big
About, when above-mentioned dynamic cloud atlas is loaded onto client by server, at least there is following technological deficiency in 100M sizes：
(1) dynamic cloud atlas takes a large amount of memory sources of client, may when such as client operation has other multiple processes
The sluggishness of process can be caused, it is also possible to cause dynamic cloud atlas to play not smooth；
(2) dynamic cloud atlas can take the communication resource between server and client side, meanwhile, the data of the dynamic cloud atlas of parsing
When frame bag is larger, the power consumption penalty that client can be caused larger；
(3) existing dynamic cloud atlas can cause pixel loss when zooming in and out display.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art or correlation technique.
Therefore, it is an object of the present invention to provide a kind of cloud atlas dynamic play method.
It is another object of the present invention to provide a kind of cloud atlas dynamic play device.
To achieve these goals, there is provided a kind of cloud atlas dynamic play side for embodiment according to a first aspect of the present invention
Method, including：Generate one group subgraph block of the cloud atlas in the case where specifying displaying ratio；Obtain client transmission includes displaying ratio with showing
Show the request instruction in region；The corresponding subgraph set of blocks to be loaded in viewing area is determined according to request instruction；Indicate client
The data frame of subgraph set of blocks is loaded onto a corresponding figure layer in broadcasting figure layer queue successively；Indicate that client will be loaded with
The figure layer that the figure layer of the data frame of subgraph set of blocks is pushed in display interface, display interface successively is denoted as show layers；Indicate
Client empties data frame in show layers according to default display duration, and using the figure layer emptied as buffering figure layer again
The tail of the queue of figure layer queue is extremely played in arrangement.
In the technical scheme, by generating one group subgraph block of the cloud atlas in the case where specifying displaying ratio, and only by user
The data frame of the subgraph block of the viewing area of selection is sent to client, it is not necessary to send the data of the subgraph block of non-display area
Frame, therefore, can at least realize following technique effect：
(1) client can be adjusted flexibly the displaying ratio of cloud atlas, especially the regional area of cloud atlas is amplified aobvious
Show；
(2) due to the data frame of the subgraph block that need not send non-display area, therefore, it is possible to reduce client's end memory money
The occupancy in source, improves the operating rate of client；
(3) communication resource between server and client side and the power consumption penalty of client have been saved；
(4) based on the corresponding relation between displaying ratio and every group of subgraph block, it is ensured that every kind of under all displaying ratios
The definition of subgraph block is equal or close, namely client is when scaling checks viewing area, the subgraph block of loading it is clear
Degree will not lose.
Wherein, in order to realize client when scaling checks viewing area, the definition of the subgraph block of loading will not lose,
Following two modes can specifically be used：
(1) when being divided according to displaying ratio to cloud atlas with spanning subgraph block, first time interpolation is carried out to sub- segment
Compensation deals；
(2) when the data frame of subgraph block is sent to client, the figure layer of client during data frame is loaded,
Second of Interpolation compensation processing is carried out, the relation between display effect and validity is effectively balanced.
Be worth it is emphasized that viewing area refer to display interface be adapted dynamic play region, specifically, please
Asking instruction mainly includes two kinds of operation informations of Pan and Zoom, determines that the mode of subgraph set of blocks is as follows respectively：
(1) cloud atlas of viewing area is translated, now displaying ratio does not change, therefore, before generation request instruction
Whole subgraph blocks of viewing area are used as second as the first subgraph set of blocks, and using the corresponding whole subgraph blocks of request instruction
Subgraph set of blocks, seeks common ground, then the first subgraph set of blocks can be divided into son to the first subgraph set of blocks and the second subgraph set of blocks
Segment common factor U0 and abandon subgraph block U1, and the second subgraph set of blocks can divide subgraph block common factor U0 and update subgraph block U2,
U0 occurs simultaneously for subgraph block, then server continues to send subgraph block common factor U0 data frame after analysis request instruction, and according to pre-
If index information determine to update subgraph block U2 data frame, also, in order to reduce data interaction pressure, cancel and being sent out to client
Send the data frame for abandoning subgraph block U1.
(2) cloud atlas in Zoom display region, now displaying ratio change, determined according to default index information above-mentioned
Subgraph block common factor U0 between first sub-block set of graphs and above-mentioned second subgraph set of blocks, because definition is different, is denoted as respectively
First subgraph block common factor U01 and the second subgraph block common factor U02, namely can determine that the first subgraph set of blocks is divided into the first subgraph
Block common factor U01 and abandon subgraph block U1, it may be determined that the second subgraph set of blocks is divided into the second subgraph block common factor U02 and updates son
Segment U2, cancels the data frame for being sent to client and abandoning subgraph block U1, continues to load the second subgraph block common factor U02 data
Frame, and the data frame for updating subgraph block U2 is loaded according to index information.
To achieve these goals, there is provided a kind of cloud atlas dynamic play side for embodiment according to a second aspect of the present invention
Method, including：Request instruction is sent to server, so that server determines the subgraph block collection to be loaded of cloud atlas according to request instruction
Close；The corresponding data frame of subgraph set of blocks is loaded onto a corresponding figure layer in broadcasting figure layer queue successively；Son will be loaded with
The figure layer that the figure layer of the data frame of segment set is pushed in display interface, display interface successively is denoted as show layers；According to pre-
If display duration empty data frame in show layers；Rearranged the figure layer emptied as buffering figure layer to broadcasting figure layer
The tail of the queue of queue, to reload the data frame of subgraph set of blocks, wherein, request instruction includes displaying ratio and subgraph set of blocks
Corresponding viewing area.
In the technical scheme, by generating one group subgraph block of the cloud atlas in the case where specifying displaying ratio, and only by user
The data frame of the subgraph block of the viewing area of selection is sent to client, it is not necessary to send the data of the subgraph block of non-display area
Frame, therefore, can at least realize following technique effect：
(1) client can be adjusted flexibly the displaying ratio of cloud atlas, especially the regional area of cloud atlas is amplified aobvious
Show；
(2) due to the data frame of the subgraph block that need not send non-display area, therefore, it is possible to reduce client's end memory money
The occupancy in source, improves the operating rate of client；
(3) communication resource between server and client side and the power consumption penalty of client have been saved；
(4) based on the corresponding relation between displaying ratio and every group of subgraph block, it is ensured that every kind of under all displaying ratios
The definition of subgraph block is equal or close, namely client is when scaling checks viewing area, the subgraph block of loading it is clear
Degree will not lose.
Wherein, in order to realize client when scaling checks viewing area, the definition of the subgraph block of loading will not lose,
Following two modes can specifically be used：
(1) when being divided according to displaying ratio to cloud atlas with spanning subgraph block, first time interpolation is carried out to sub- segment
Compensation deals；
(2) when the data frame of subgraph block is sent to client, the figure layer of client during data frame is loaded,
Second of Interpolation compensation processing is carried out, the relation between display effect and validity is effectively balanced.
It is worth it is emphasized that the figure layer played in figure layer queue includes at least one buffering figure layer and a display circle
The show layers in face, the display order of figure layer can be bubbling form or gland form, and the show layers after showing is cleared
Data frame, and it is used as the data frames to be loaded such as the buffering figure layer for playing figure layer tail of the queue.
In addition, the cloud atlas dynamic play method in above-described embodiment that the present invention is provided, can also have following additional skill
Art feature：
In any of the above-described technical scheme, it is preferable that also include：Preset the display duration and two neighbor maps of any figure layer
Playing interval between layer.
It is static image after loading data frame due to each figure layer, therefore, by pre- in the technical scheme
If the playing interval between the display duration of any figure layer and two adjacent figure layers, can optimize the smoothness of cloud atlas dynamic play
Degree, for example, when the loading velocity of figure layer is slow, playing interval is correspondingly improved, to ensure that show layers can in broadcast interface
Normal display.
In any of the above-described technical scheme, it is preferable that also include：Detecting any pixel area for display interface
After scaling instruction, scaling instruction is resolved into corresponding displaying ratio and viewing area；Displaying ratio and viewing area will be included
Request instruction send to server.
In the technical scheme, by after the scaling instruction for any pixel area of display interface is detected, will contract
Put instruction and resolve to corresponding displaying ratio and viewing area, further can neatly realize that the scaling of dynamic cloud atlas shows
Show.
Specifically, due to the default index relative between the image information of cloud atlas and geographical position, therefore, on display interface
Show layers loading be Nephogram or subgraph block data frame, it is determined that user selection scaling pixel region, server
Corresponding subgraph block can be quickly and accurately determined according to index relative.
In any of the above-described technical scheme, it is preferable that between the quantity of any group of subgraph block and corresponding displaying ratio
Product is fixed value.
It is fixation by the product between the quantity and corresponding displaying ratio of any group of subgraph block in the technical scheme
Value, stores corresponding data frame according to the quantity of subgraph block with pyramid in the server.
In any of the above-described technical scheme, it is preferable that also include：It is aobvious to being loaded onto when detecting displaying ratio more than 1
The data frame of diagram layer carries out Interpolation compensation processing.
In the technical scheme, by being put when detecting displaying ratio more than 1, namely to the part of display interface
During big display, Interpolation compensation processing is carried out to the data frame for being loaded onto show layers, Zoom display mistake can be further reduced
The pixel loss of journey.
To achieve these goals, embodiment according to a third aspect of the present invention is filled there is provided a kind of cloud atlas dynamic play
Put, including：Generation unit, for generating one group subgraph block of the cloud atlas in the case where specifying displaying ratio；Acquiring unit, for obtaining visitor
What family end was sent includes displaying ratio and the request instruction of viewing area；Determining unit, for being determined to show according to request instruction
The corresponding subgraph set of blocks to be loaded in region；Administrative unit, for indicating client by the data frame of subgraph set of blocks successively
It is loaded onto a corresponding figure layer in broadcasting figure layer queue；Administrative unit is additionally operable to：Indicate that client will be loaded with subgraph block collection
The figure layer that the figure layer of the data frame of conjunction is pushed in display interface, display interface successively is denoted as show layers；Administrative unit is also used
In：Indicate that client empties the data frame in show layers according to default display duration, and regard the figure layer emptied as buffering
Figure layer is rearranged to the tail of the queue for playing figure layer queue.
In the technical scheme, by generating one group subgraph block of the cloud atlas in the case where specifying displaying ratio, and only by user
The data frame of the subgraph block of the viewing area of selection is sent to client, it is not necessary to send the data of the subgraph block of non-display area
Frame, therefore, can at least realize following technique effect：
(1) client can be adjusted flexibly the displaying ratio of cloud atlas, especially the regional area of cloud atlas is amplified aobvious
Show；
(2) due to the data frame of the subgraph block that need not send non-display area, therefore, it is possible to reduce client's end memory money
The occupancy in source, improves the operating rate of client；
(3) communication resource between server and client side and the power consumption penalty of client have been saved；
(4) based on the corresponding relation between displaying ratio and every group of subgraph block, it is ensured that every kind of under all displaying ratios
The definition of subgraph block is equal or close, namely client is when scaling checks viewing area, the subgraph block of loading it is clear
Degree will not lose.
Wherein, in order to realize client when scaling checks viewing area, the definition of the subgraph block of loading will not lose,
Following two modes can specifically be used：
(1) when being divided according to displaying ratio to cloud atlas with spanning subgraph block, first time interpolation is carried out to sub- segment
Compensation deals；
(2) when the data frame of subgraph block is sent to client, the figure layer of client during data frame is loaded,
Second of Interpolation compensation processing is carried out, the relation between display effect and validity is effectively balanced.
Be worth it is emphasized that viewing area refer to display interface be adapted dynamic play region, specifically, please
Asking instruction mainly includes two kinds of operation informations of Pan and Zoom, determines that the mode of subgraph set of blocks is as follows respectively：
(1) cloud atlas of viewing area is translated, now displaying ratio does not change, therefore, before generation request instruction
Whole subgraph blocks of viewing area are used as second as the first subgraph set of blocks, and using the corresponding whole subgraph blocks of request instruction
Subgraph set of blocks, seeks common ground, then the first subgraph set of blocks can be divided into son to the first subgraph set of blocks and the second subgraph set of blocks
Segment common factor U0 and abandon subgraph block U1, and the second subgraph set of blocks can divide subgraph block common factor U0 and update subgraph block U2,
U0 occurs simultaneously for subgraph block, then server continues to send subgraph block common factor U0 data frame after analysis request instruction, and according to pre-
If index information determine to update subgraph block U2 data frame, also, in order to reduce data interaction pressure, cancel and being sent out to client
Send the data frame for abandoning subgraph block U1.
(2) cloud atlas in Zoom display region, now displaying ratio change, determined according to default index information above-mentioned
Subgraph block common factor U0 between first sub-block set of graphs and above-mentioned second subgraph set of blocks, because definition is different, is denoted as respectively
First subgraph block common factor U01 and the second subgraph block common factor U02, namely can determine that the first subgraph set of blocks is divided into the first subgraph
Block common factor U01 and abandon subgraph block U1, it may be determined that the second subgraph set of blocks is divided into the second subgraph block common factor U02 and updates son
Segment U2, cancels the data frame for being sent to client and abandoning subgraph block U1, continues to load the second subgraph block common factor U02 data
Frame, and the data frame for updating subgraph block U2 is loaded according to index information.
To achieve these goals, embodiment according to a fourth aspect of the present invention is filled there is provided a kind of cloud atlas dynamic play
Put, including：Transmitting element, for sending request instruction to server, so that server determines treating for cloud atlas according to request instruction
The subgraph set of blocks of loading；Loading unit, for the corresponding data frame of subgraph set of blocks to be loaded onto into broadcasting figure layer queue successively
In a corresponding figure layer；Broadcast unit, the figure layer for the data frame by subgraph set of blocks is loaded with pushes to display successively
Figure layer in interface, display interface is denoted as show layers；Clearing cell, for emptying show layers according to default display duration
In data frame；Queued units, for being rearranged the figure layer emptied as buffering figure layer to the tail of the queue for playing figure layer queue,
To reload the data frame of subgraph set of blocks, wherein, request instruction includes displaying ratio and the corresponding display of subgraph set of blocks
Region.
In the technical scheme, by generating one group subgraph block of the cloud atlas in the case where specifying displaying ratio, and only by user
The data frame of the subgraph block of the viewing area of selection is sent to client, it is not necessary to send the data of the subgraph block of non-display area
Frame, therefore, can at least realize following technique effect：
(1) client can be adjusted flexibly the displaying ratio of cloud atlas, especially the regional area of cloud atlas is amplified aobvious
Show；
(2) due to the data frame of the subgraph block that need not send non-display area, therefore, it is possible to reduce client's end memory money
The occupancy in source, improves the operating rate of client；
(3) communication resource between server and client side and the power consumption penalty of client have been saved；
(4) based on the corresponding relation between displaying ratio and every group of subgraph block, it is ensured that every kind of under all displaying ratios
The definition of subgraph block is equal or close, namely client is when scaling checks viewing area, the subgraph block of loading it is clear
Degree will not lose.
Wherein, in order to realize client when scaling checks viewing area, the definition of the subgraph block of loading will not lose,
Following two modes can specifically be used：
(1) when being divided according to displaying ratio to cloud atlas with spanning subgraph block, first time interpolation is carried out to sub- segment
Compensation deals；
(2) when the data frame of subgraph block is sent to client, the figure layer of client during data frame is loaded,
Second of Interpolation compensation processing is carried out, the relation between display effect and validity is effectively balanced.
It is worth it is emphasized that the figure layer played in figure layer queue includes at least one buffering figure layer and a display circle
The show layers in face, the display order of figure layer can be bubbling form or gland form, and the show layers after showing is cleared
Data frame, and it is used as the data frames to be loaded such as the buffering figure layer for playing figure layer tail of the queue.
In addition, the cloud atlas dynamic play device in above-described embodiment that the present invention is provided, can also have following additional skill
Art feature：
In any of the above-described technical scheme, it is preferable that also include：When default unit, display for presetting any figure layer
Playing interval between long and two adjacent figure layers.
In the technical scheme, by due to being static image after each figure layer loading data frame, therefore, leading to
The playing interval shown between duration and two adjacent figure layers for presetting any figure layer is crossed, the stream of cloud atlas dynamic play can be optimized
Smooth degree, for example, when the loading velocity of figure layer is slow, playing interval is correspondingly improved, to ensure show layers in broadcast interface energy
Enough normal displays.
In any of the above-described technical scheme, it is preferable that also include：Resolution unit, for detecting for display interface
Any pixel area scaling instruction after, will scaling instruction resolve to corresponding displaying ratio and viewing area；Transmitting element is also
For：Request instruction including displaying ratio and viewing area is sent to server.
In the technical scheme, by after the scaling instruction for any pixel area of display interface is detected, will contract
Put instruction and resolve to corresponding displaying ratio and viewing area, further can neatly realize that the scaling of dynamic cloud atlas shows
Show.
Specifically, due to the default index relative between the image information of cloud atlas and geographical position, therefore, on display interface
Show layers loading be Nephogram or subgraph block data frame, it is determined that user selection scaling pixel region, server
Corresponding subgraph block can be quickly and accurately determined according to index relative.
In any of the above-described technical scheme, it is preferable that between the quantity of any group of subgraph block and corresponding displaying ratio
Product is fixed value.
It is fixation by the product between the quantity and corresponding displaying ratio of any group of subgraph block in the technical scheme
Value, stores corresponding data frame according to the quantity of subgraph block with pyramid in the server.
In any of the above-described technical scheme, it is preferable that also include：Interpolating unit, for detecting displaying ratio more than 1
When, Interpolation compensation processing is carried out to the data frame for being loaded onto show layers.
In the technical scheme, by being put when detecting displaying ratio more than 1, namely to the part of display interface
During big display, Interpolation compensation processing is carried out to the data frame for being loaded onto show layers, Zoom display mistake can be further reduced
The pixel loss of journey.
The additional aspect and advantage of the present invention will become obvious in following description section, or pass through the practice of the present invention
Recognize.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 shows the schematic diagram of a cloud atlas dynamic play method according to an embodiment of the invention；
Fig. 2 shows the schematic diagram of a cloud atlas dynamic play device according to an embodiment of the invention；
Fig. 3 shows the schematic diagram of another cloud atlas dynamic play method according to an embodiment of the invention；
Fig. 4 shows the schematic diagram of another cloud atlas dynamic play device according to an embodiment of the invention；
Fig. 5 shows the schematic diagram of display interface according to an embodiment of the invention；
Fig. 6 shows the schematic diagram of the subgraph block of cloud atlas dynamic play scheme according to an embodiment of the invention；
Fig. 7 shows the signal of the broadcasting figure layer queue of a cloud atlas dynamic play scheme according to an embodiment of the invention
Figure；
Fig. 8 shows showing for the broadcasting figure layer queue of another cloud atlas dynamic play scheme according to an embodiment of the invention
It is intended to.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, and still, the present invention may be used also
Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Fig. 1 shows the schematic diagram of a cloud atlas dynamic play method according to an embodiment of the invention.
As shown in figure 1, a cloud atlas dynamic play method according to an embodiment of the invention, including：Step 102, generate
One group subgraph block of the cloud atlas in the case where specifying displaying ratio；Step 104, obtain client transmission includes displaying ratio and viewing area
The request instruction in domain；Step 106, the corresponding subgraph set of blocks to be loaded in viewing area is determined according to request instruction；Step
108, indicate that the data frame of subgraph set of blocks is loaded onto a corresponding figure layer in broadcasting figure layer queue by client successively；Step
110, indicate that the figure layer for the data frame that client will be loaded with subgraph set of blocks is pushed in display interface, display interface successively
Figure layer is denoted as show layers；Step 112, indicate that client empties the data frame in show layers according to default display duration,
And rearranged the figure layer emptied as buffering figure layer to the tail of the queue for playing figure layer queue.
In the technical scheme, by generating one group subgraph block of the cloud atlas in the case where specifying displaying ratio, and only by user
The data frame of the subgraph block of the viewing area of selection is sent to client, it is not necessary to send the data of the subgraph block of non-display area
Frame, therefore, can at least realize following technique effect：
(1) client can be adjusted flexibly the displaying ratio of cloud atlas, especially the regional area of cloud atlas is amplified aobvious
Show；
(2) due to the data frame of the subgraph block that need not send non-display area, therefore, it is possible to reduce client's end memory money
The occupancy in source, improves the operating rate of client；
(3) communication resource between server and client side and the power consumption penalty of client have been saved；
(4) based on the corresponding relation between displaying ratio and every group of subgraph block, it is ensured that every kind of under all displaying ratios
The definition of subgraph block is equal or close, namely client is when scaling checks viewing area, the subgraph block of loading it is clear
Degree will not lose.
Wherein, in order to realize client when scaling checks viewing area, the definition of the subgraph block of loading will not lose,
Following two modes can specifically be used：
(1) when being divided according to displaying ratio to cloud atlas with spanning subgraph block, first time interpolation is carried out to sub- segment
Compensation deals；
(2) when the data frame of subgraph block is sent to client, the figure layer of client during data frame is loaded,
Second of Interpolation compensation processing is carried out, the relation between display effect and validity is effectively balanced.
Be worth it is emphasized that viewing area refer to display interface be adapted dynamic play region, specifically, please
Asking instruction mainly includes two kinds of operation informations of Pan and Zoom, determines that the embodiment of subgraph set of blocks is as follows respectively：
Embodiment one：
The cloud atlas of viewing area is translated, now displaying ratio does not change, therefore, the display before request instruction will be generated
Whole subgraph blocks in region are used as the second subgraph as the first subgraph set of blocks, and using the corresponding whole subgraph blocks of request instruction
Set of blocks, seeks common ground, then the first subgraph set of blocks can be divided into subgraph block to the first subgraph set of blocks and the second subgraph set of blocks
Common factor U0 and abandon subgraph block U1, and the second subgraph set of blocks can divide subgraph block common factor U0 and update subgraph block U2, U0 and be
Subgraph block occurs simultaneously, then server continues to send subgraph block common factor U0 data frame after analysis request instruction, and according to default
Index information determines to update subgraph block U2 data frame, also, in order to reduce data interaction pressure, cancels sending to client and abandon
With subgraph block U1 data frame.
Embodiment two：
The cloud atlas in Zoom display region, now displaying ratio change, determine above-mentioned according to default index information
Subgraph block common factor U0 between one sub-block set of graphs and above-mentioned second subgraph set of blocks, because definition is different, is denoted as the respectively
One subgraph block common factor U01 and the second subgraph block common factor U02, namely can determine that the first subgraph set of blocks is divided into the first subgraph block
Common factor U01 and abandon subgraph block U1, it may be determined that the second subgraph set of blocks is divided into the second subgraph block common factor U02 and updates subgraph
Block U2, cancels the data frame for being sent to client and abandoning subgraph block U1, continues to load the second subgraph block common factor U02 data frame,
And the data frame for updating subgraph block U2 is loaded according to index information.
Fig. 2 shows the schematic diagram of a cloud atlas dynamic play device according to an embodiment of the invention.
As shown in Fig. 2 a cloud atlas dynamic play device 200 according to an embodiment of the invention, including：Generation unit
202, for generating one group subgraph block of the cloud atlas in the case where specifying displaying ratio；Acquiring unit 204, for obtaining client transmission
Request instruction including displaying ratio and viewing area；Determining unit 206, for determining viewing area correspondence according to request instruction
Subgraph set of blocks to be loaded；Administrative unit 208, for indicating that the data frame of subgraph set of blocks is loaded onto by client successively
Play a corresponding figure layer in figure layer queue；Administrative unit 208 is additionally operable to：Indicate that client will be loaded with subgraph set of blocks
The figure layer that the figure layer of data frame is pushed in display interface, display interface successively is denoted as show layers；Administrative unit 208 is also used
In：Indicate that client empties the data frame in show layers according to default display duration, and regard the figure layer emptied as buffering
Figure layer is rearranged to the tail of the queue for playing figure layer queue.
In the technical scheme, by generating one group subgraph block of the cloud atlas in the case where specifying displaying ratio, and only by user
The data frame of the subgraph block of the viewing area of selection is sent to client, it is not necessary to send the data of the subgraph block of non-display area
Frame, therefore, can at least realize following technique effect：
(1) client can be adjusted flexibly the displaying ratio of cloud atlas, especially the regional area of cloud atlas is amplified aobvious
Show；
(2) due to the data frame of the subgraph block that need not send non-display area, therefore, it is possible to reduce client's end memory money
The occupancy in source, improves the operating rate of client；
(3) communication resource between server and client side and the power consumption penalty of client have been saved；
(4) based on the corresponding relation between displaying ratio and every group of subgraph block, it is ensured that every kind of under all displaying ratios
The definition of subgraph block is equal or close, namely client is when scaling checks viewing area, the subgraph block of loading it is clear
Degree will not lose.
Wherein, in order to realize client when scaling checks viewing area, the definition of the subgraph block of loading will not lose,
Following two modes can specifically be used：
(1) when being divided according to displaying ratio to cloud atlas with spanning subgraph block, first time interpolation is carried out to sub- segment
Compensation deals；
(2) when the data frame of subgraph block is sent to client, the figure layer of client during data frame is loaded,
Second of Interpolation compensation processing is carried out, the relation between display effect and validity is effectively balanced.
Be worth it is emphasized that viewing area refer to display interface be adapted dynamic play region, specifically, please
Asking instruction mainly includes two kinds of operation informations of Pan and Zoom, determines that the embodiment of subgraph set of blocks is as follows respectively：
(1) cloud atlas of viewing area is translated, now displaying ratio does not change, therefore, before generation request instruction
Whole subgraph blocks of viewing area are used as second as the first subgraph set of blocks, and using the corresponding whole subgraph blocks of request instruction
Subgraph set of blocks, seeks common ground, then the first subgraph set of blocks can be divided into son to the first subgraph set of blocks and the second subgraph set of blocks
Segment common factor U0 and abandon subgraph block U1, and the second subgraph set of blocks can divide subgraph block common factor U0 and update subgraph block U2,
U0 occurs simultaneously for subgraph block, then server continues to send subgraph block common factor U0 data frame after analysis request instruction, and according to pre-
If index information determine to update subgraph block U2 data frame, also, in order to reduce data interaction pressure, cancel and being sent out to client
Send the data frame for abandoning subgraph block U1.
(2) cloud atlas in Zoom display region, now displaying ratio change, determined according to default index information above-mentioned
Subgraph block common factor U0 between first sub-block set of graphs and above-mentioned second subgraph set of blocks, because definition is different, is denoted as respectively
First subgraph block common factor U01 and the second subgraph block common factor U02, namely can determine that the first subgraph set of blocks is divided into the first subgraph
Block common factor U01 and abandon subgraph block U1, it may be determined that the second subgraph set of blocks is divided into the second subgraph block common factor U02 and updates son
Segment U2, cancels the data frame for being sent to client and abandoning subgraph block U1, continues to load the second subgraph block common factor U02 data
Frame, and the data frame for updating subgraph block U2 is loaded according to index information.
Fig. 3 shows the schematic diagram of another cloud atlas dynamic play method according to an embodiment of the invention.
As shown in figure 3, another cloud atlas dynamic play method according to an embodiment of the invention, including：Step 302, to
Server sends request instruction, so that server determines the subgraph set of blocks to be loaded of cloud atlas according to request instruction；Step
304, the corresponding data frame of subgraph set of blocks is loaded onto a corresponding figure layer in broadcasting figure layer queue successively；Step 306, will
It is loaded with the figure layer that the figure layer of the data frame of subgraph set of blocks pushes in display interface, display interface successively and is denoted as display figure
Layer；Step 308, the data frame in show layers is emptied according to default display duration；Step 310, using the figure layer emptied as
Buffering figure layer is rearranged to the tail of the queue for playing figure layer queue, to reload the data frame of subgraph set of blocks, wherein, request refers to
Order includes displaying ratio and the corresponding viewing area of subgraph set of blocks.
In the technical scheme, by generating one group subgraph block of the cloud atlas in the case where specifying displaying ratio, and only by user
The data frame of the subgraph block of the viewing area of selection is sent to client, it is not necessary to send the data of the subgraph block of non-display area
Frame, therefore, can at least realize following technique effect：
(1) client can be adjusted flexibly the displaying ratio of cloud atlas, especially the regional area of cloud atlas is amplified aobvious
Show；
(2) due to the data frame of the subgraph block that need not send non-display area, therefore, it is possible to reduce client's end memory money
The occupancy in source, improves the operating rate of client；
(3) communication resource between server and client side and the power consumption penalty of client have been saved；
(4) based on the corresponding relation between displaying ratio and every group of subgraph block, it is ensured that every kind of under all displaying ratios
The definition of subgraph block is equal or close, namely client is when scaling checks viewing area, the subgraph block of loading it is clear
Degree will not lose.
Wherein, in order to realize client when scaling checks viewing area, the definition of the subgraph block of loading will not lose,
Following two modes can specifically be used：
(1) when being divided according to displaying ratio to cloud atlas with spanning subgraph block, first time interpolation is carried out to sub- segment
Compensation deals；
(2) when the data frame of subgraph block is sent to client, the figure layer of client during data frame is loaded,
Second of Interpolation compensation processing is carried out, the relation between display effect and validity is effectively balanced.
It is worth it is emphasized that the figure layer played in figure layer queue includes at least one buffering figure layer and a display circle
The show layers (as shown in Figure 5) in face, the display order of figure layer can be bubbling form (as shown in Figure 7) or gland form (such as
Shown in Fig. 8), and the show layers after showing is cleared data frame, and the buffering figure layer as broadcasting figure layer tail of the queue etc. is to be loaded
Data frame.
In addition, the cloud atlas dynamic play method in above-described embodiment that the present invention is provided, can also have following additional skill
Art feature：
In any of the above-described technical scheme, it is preferable that also include：Preset the display duration and two neighbor maps of any figure layer
Playing interval between layer.
It is static image after loading data frame due to each figure layer, therefore, by pre- in the technical scheme
If the playing interval between the display duration of any figure layer and two adjacent figure layers, can optimize the smoothness of cloud atlas dynamic play
Degree, for example, when the loading velocity of figure layer is slow, playing interval is correspondingly improved, to ensure that show layers can in broadcast interface
Normal display.
In any of the above-described technical scheme, it is preferable that also include：Detecting any pixel area for display interface
After scaling instruction, scaling instruction is resolved into corresponding displaying ratio and viewing area；Displaying ratio and viewing area will be included
Request instruction send to server.
In the technical scheme, by after the scaling instruction for any pixel area of display interface is detected, will contract
Put instruction and resolve to corresponding displaying ratio and viewing area, further can neatly realize that the scaling of dynamic cloud atlas shows
Show.
Specifically, due to the default index relative between the image information of cloud atlas and geographical position, therefore, on display interface
Show layers loading be Nephogram or subgraph block data frame, it is determined that user selection scaling pixel region, server
Corresponding subgraph block can be quickly and accurately determined according to index relative.
In any of the above-described technical scheme, it is preferable that between the quantity of any group of subgraph block and corresponding displaying ratio
Product is fixed value.
It is fixation by the product between the quantity and corresponding displaying ratio of any group of subgraph block in the technical scheme
Value, as shown in fig. 6, storing corresponding data frame according to the quantity of subgraph block with pyramid in the server.
In any of the above-described technical scheme, it is preferable that also include：It is aobvious to being loaded onto when detecting displaying ratio more than 1
The data frame of diagram layer carries out Interpolation compensation processing.
In the technical scheme, by being put when detecting displaying ratio more than 1, namely to the part of display interface
During big display, Interpolation compensation processing is carried out to the data frame for being loaded onto show layers, Zoom display mistake can be further reduced
The pixel loss of journey.
Fig. 4 shows the schematic diagram of another cloud atlas dynamic play device according to an embodiment of the invention.
As shown in figure 4, another cloud atlas dynamic play device 400 according to an embodiment of the invention, including：Transmitting element
402, for sending request instruction to server, so that server determines the subgraph block collection to be loaded of cloud atlas according to request instruction
Close；Loading unit 404, for the corresponding data frame of subgraph set of blocks to be loaded onto in broadcasting figure layer queue into corresponding one successively
Figure layer；Broadcast unit 406, the figure layer for the data frame by subgraph set of blocks is loaded with pushes to display interface successively, display
Figure layer in interface is denoted as show layers；Clearing cell 408, for emptying the number in show layers according to default display duration
According to frame；Queued units 410, for being rearranged the figure layer emptied as buffering figure layer to the tail of the queue for playing figure layer queue, with
The data frame of subgraph set of blocks is reloaded, wherein, request instruction includes displaying ratio and the corresponding viewing area of subgraph set of blocks
Domain.
In the technical scheme, by generating one group subgraph block of the cloud atlas in the case where specifying displaying ratio, and only by user
The data frame of the subgraph block of the viewing area of selection is sent to client, it is not necessary to send the data of the subgraph block of non-display area
Frame, therefore, can at least realize following technique effect：
(1) client can be adjusted flexibly the displaying ratio of cloud atlas, especially the regional area of cloud atlas is amplified aobvious
Show；
(2) due to the data frame of the subgraph block that need not send non-display area, therefore, it is possible to reduce client's end memory money
The occupancy in source, improves the operating rate of client；
(3) communication resource between server and client side and the power consumption penalty of client have been saved；
(4) based on the corresponding relation between displaying ratio and every group of subgraph block, it is ensured that every kind of under all displaying ratios
The definition of subgraph block is equal or close, namely client is when scaling checks viewing area, the subgraph block of loading it is clear
Degree will not lose.
Wherein, in order to realize client when scaling checks viewing area, the definition of the subgraph block of loading will not lose,
Following two modes can specifically be used：
(1) when being divided according to displaying ratio to cloud atlas with spanning subgraph block, first time interpolation is carried out to sub- segment
Compensation deals；
(2) when the data frame of subgraph block is sent to client, the figure layer of client during data frame is loaded,
Second of Interpolation compensation processing is carried out, the relation between display effect and validity is effectively balanced.
It is worth it is emphasized that the figure layer played in figure layer queue includes at least one buffering figure layer and a display circle
The show layers (as shown in Figure 5) in face, the display order of figure layer can be bubbling form (as shown in Figure 7) or gland form (such as
Shown in Fig. 8), and the show layers after showing is cleared data frame, and the buffering figure layer as broadcasting figure layer tail of the queue etc. is to be loaded
Data frame.
In addition, the cloud atlas dynamic play device 400 in above-described embodiment that the present invention is provided, can also have following additional
Technical characteristic：
In any of the above-described technical scheme, it is preferable that also include：Default unit 412, the display for presetting any figure layer
Playing interval between duration and two adjacent figure layers.
In the technical scheme, by due to being static image after each figure layer loading data frame, therefore, leading to
The playing interval shown between duration and two adjacent figure layers for presetting any figure layer is crossed, the stream of cloud atlas dynamic play can be optimized
Smooth degree, for example, when the loading velocity of figure layer is slow, playing interval is correspondingly improved, to ensure show layers in broadcast interface energy
Enough normal displays.
In any of the above-described technical scheme, it is preferable that also include：Resolution unit 414, for detecting for display circle
After the scaling instruction in any pixel area in face, scaling instruction is resolved into corresponding displaying ratio and viewing area；Transmitting element
402 are additionally operable to：Request instruction including displaying ratio and viewing area is sent to server.
In the technical scheme, by after the scaling instruction for any pixel area of display interface is detected, will contract
Put instruction and resolve to corresponding displaying ratio and viewing area, further can neatly realize that the scaling of dynamic cloud atlas shows
Show.
Specifically, due to the default index relative between the image information of cloud atlas and geographical position, therefore, on display interface
Show layers loading be Nephogram or subgraph block data frame, it is determined that user selection scaling pixel region, server
Corresponding subgraph block can be quickly and accurately determined according to index relative.
In any of the above-described technical scheme, it is preferable that between the quantity of any group of subgraph block and corresponding displaying ratio
Product is fixed value.
It is fixation by the product between the quantity and corresponding displaying ratio of any group of subgraph block in the technical scheme
Value, as shown in fig. 6, storing corresponding data frame according to the quantity of subgraph block with pyramid in the server.
In any of the above-described technical scheme, it is preferable that also include：Interpolating unit 416, for detect displaying ratio big
When 1, Interpolation compensation processing is carried out to the data frame for being loaded onto show layers.
In the technical scheme, by being put when detecting displaying ratio more than 1, namely to the part of display interface
During big display, Interpolation compensation processing is carried out to the data frame for being loaded onto show layers, Zoom display mistake can be further reduced
The pixel loss of journey.
Technical scheme is described in detail above in association with accompanying drawing, the invention provides a kind of cloud atlas dynamic play side
Case, by generating one group subgraph block of the cloud atlas in the case where specifying displaying ratio, and the subgraph for the viewing area for only selecting user
The data frame of block is sent to client, it is not necessary to send the data frame of the subgraph block of non-display area, therefore, can at least realize with
Lower technique effect：
(1) client can be adjusted flexibly the displaying ratio of cloud atlas, especially the regional area of cloud atlas is amplified aobvious
Show；
(2) due to the data frame of the subgraph block that need not send non-display area, therefore, it is possible to reduce client's end memory money
The occupancy in source, improves the operating rate of client；
(3) communication resource between server and client side and the power consumption penalty of client have been saved；
(4) based on the corresponding relation between displaying ratio and every group of subgraph block, it is ensured that every kind of under all displaying ratios
The definition of subgraph block is equal or close, namely client is when scaling checks viewing area, the subgraph block of loading it is clear
Degree will not lose.
Embodiment three：
As shown in fig. 6, on the basis of image pyramid, improvement is optimized with reference to 2 D animation technology, realize in net
Page and mobile terminal efficiently show high definition image animation, specifically include following steps：
(1) image pyramid is built；
(2) Imaging data release service is built；
(3) high definition image animation system is built, is specifically included：
(3.1) system windows are initialized；
(3.2) create and load base map figure layer, additional figure layer etc.；
(3.3) high definition image pyramid message queue is initialized；
(3.4) create and load animation figure layer, specifically include：
(3.4.1) creates layer, as the animation figure layer of visible area, on base map figure layer, under additional figure layer；
(3.4.2) from high definition image pyramid message queue take out queue header element, and load pyramid tile to move
In picture layer, the clear image of the first vertical frame dimension is shown；
Queue header element is added to tail of the queue by (3.4.3).
(3.5) create and load double buffering figure layer：
(3.5.1) creates two figure layers, under animation figure layer, respectively as upper buffering figure layer and lower buffering figure layer；
(3.5.2) takes out first and second element of queue from high definition image pyramid message queue, loads successively
Corresponding pyramid tile buffers figure layer and lower buffering figure layer to upper；
First and second element of queue is added sequentially to tail of the queue by (3.5.3).
(3.6) Layer Order is set；
(3.7) initialization timer；
(3.8) playing animation, is specifically included：
(3.8.1) detects tile stress state, until the tile not loaded；
(3.8.2) will move to correct position in the fundamental geological figure layer above animation figure layer, it is to avoid base during next step processing
Plinth geography figure layer is capped；
(3.8.3) adjusts interchange graph according to figure layer relation and state using upward bubbling mode or downward gland mode
Layer order, visible area is adjusted to by the corresponding figure layer of next frame image by buffering area；
(3.8.4) updates the figure layer index in GIS-Geographic Information System；
(3.8.5) takes out queue header element from high definition image pyramid message queue, is loaded into lower buffering figure layer；
Queue header element is added to tail of the queue by (3.8.6)；
(3.8.7) sets timer, continues to play next frame.
In the present invention, term " first ", " second ", " the 3rd " are only used for the purpose described, and it is not intended that indicating
Or imply relative importance；Term " multiple " then refers to two or more, unless otherwise clear and definite restriction.Term " installation ",
The term such as " connected ", " connection ", " fixation " all should be interpreted broadly, for example, " connection " can be fixedly connected or can
Dismounting connection, or be integrally connected；" connected " can be joined directly together, and can also be indirectly connected to by intermediary.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In description of the invention, it is to be understood that the instruction such as term " on ", " under ", "left", "right", "front", "rear"
Orientation or position relationship are, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplification is retouched
State, rather than indicate or imply that the device or unit of meaning there must be specific direction, with specific azimuth configuration and operation,
It is thus impossible to be interpreted as limitation of the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that combining the embodiment or specific features, structure, material or the feature of example description is contained at least one reality of the invention
Apply in example or example.In this manual, the property statement to above-mentioned term is not necessarily referring to identical embodiment or example.And
And, specific features, structure, material or the feature of description can be in any one or more embodiments or example with suitable
Mode is combined.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent, improvement etc., should be included within the scope of the present invention.
Claims (12)
1. a kind of cloud atlas dynamic play method, it is adaptable to server, it is characterised in that the cloud atlas dynamic play method includes：
Generate one group subgraph block of the cloud atlas in the case where specifying displaying ratio；
Obtain the request instruction including the displaying ratio and viewing area that client is sent；
The corresponding subgraph set of blocks to be loaded in the viewing area is determined according to the request instruction；
Indicate that the data frame of the subgraph set of blocks is loaded onto in broadcasting figure layer queue corresponding one by the client successively
Figure layer；
Indicate that the client will be loaded with the figure layer of the data frame of the subgraph set of blocks and push to display interface successively, it is described
Figure layer in display interface is denoted as show layers；
Indicate that the client empties data frame in the show layers according to default display duration, and by the figure layer emptied
Rearranged as buffering figure layer to the tail of the queue of the broadcasting figure layer queue.
2. a kind of cloud atlas dynamic play method, it is adaptable to client, it is characterised in that the cloud atlas dynamic play method includes：
Request instruction is sent to server, so that the server determines the subgraph to be loaded of cloud atlas according to the request instruction
Set of blocks；
The corresponding data frame of the subgraph set of blocks is loaded onto a corresponding figure layer in broadcasting figure layer queue successively；
The figure that the figure layer of the data frame of the subgraph set of blocks is pushed in display interface, the display interface successively will be loaded with
Layer is denoted as show layers；
The data frame in the show layers is emptied according to default display duration；
Rearranged the figure layer emptied as buffering figure layer to the tail of the queue of the broadcasting figure layer queue, to reload the son
The data frame of segment set,
Wherein, the request instruction includes displaying ratio and the corresponding viewing area of the subgraph set of blocks.
3. cloud atlas dynamic play method according to claim 2, it is characterised in that also include：
Preset the playing interval between the display duration and two adjacent figure layers of any figure layer.
4. cloud atlas dynamic play method according to claim 3, it is characterised in that also include：
After the scaling instruction for any pixel area of the display interface is detected, the scaling instruction is resolved into correspondence
Displaying ratio and viewing area；
Request instruction including the displaying ratio and the viewing area is sent to the server.
5. cloud atlas dynamic play method according to any one of claim 1 to 4, it is characterised in that
Product between the quantity of subgraph block described in any group and the corresponding displaying ratio is fixed value.
6. cloud atlas dynamic play method according to any one of claim 1 to 4, it is characterised in that also include：
When detecting the displaying ratio more than 1, Interpolation compensation processing is carried out to the data frame for being loaded onto the show layers.
7. a kind of cloud atlas dynamic play device, it is adaptable to server, it is characterised in that the cloud atlas dynamic play device includes：
Generation unit, for generating one group subgraph block of the cloud atlas in the case where specifying displaying ratio；
Acquiring unit, the request instruction including the displaying ratio and viewing area for obtaining client transmission；
Determining unit, for determining the corresponding subgraph set of blocks to be loaded in the viewing area according to the request instruction；
Administrative unit, broadcasting figure layer queue is loaded onto for indicating the client by the data frame of the subgraph set of blocks successively
In a corresponding figure layer；
The administrative unit is additionally operable to：Indicate that the client will be loaded with the figure layer of the data frame of the subgraph set of blocks successively
The figure layer pushed in display interface, the display interface is denoted as show layers；
The administrative unit is additionally operable to：Indicate that the client empties the number in the show layers according to default display duration
Rearranged according to frame, and using the figure layer emptied as buffering figure layer to the tail of the queue of the broadcasting figure layer queue.
8. a kind of cloud atlas dynamic play device, it is adaptable to client, it is characterised in that the cloud atlas dynamic play device includes：
Transmitting element, for sending request instruction to server, so that the server determines cloud atlas according to the request instruction
Subgraph set of blocks to be loaded；
Loading unit, for the corresponding data frame of the subgraph set of blocks to be loaded onto corresponding one in broadcasting figure layer queue successively
Individual figure layer；
Broadcast unit, the figure layer for the data frame by the subgraph set of blocks is loaded with pushes to display interface successively, described
Figure layer in display interface is denoted as show layers；
Clearing cell, for emptying the data frame in the show layers according to default display duration；
Queued units, for being rearranged the figure layer emptied as buffering figure layer to the tail of the queue of the broadcasting figure layer queue, with
The data frame of the subgraph set of blocks is reloaded,
Wherein, the request instruction includes displaying ratio and the corresponding viewing area of the subgraph set of blocks.
9. cloud atlas dynamic play device according to claim 8, it is characterised in that also include：
Default unit, for presetting between the broadcasting between the display duration of any figure layer and two adjacent figure layers
Every.
10. cloud atlas dynamic play device according to claim 9, it is characterised in that also include：
Resolution unit, for after the scaling instruction for any pixel area of the display interface is detected, by the scaling
Instruction resolves to corresponding displaying ratio and viewing area；
The transmitting element is additionally operable to：Request instruction including the displaying ratio and the viewing area is sent to the clothes
Business device.
11. the cloud atlas dynamic play device according to any one of claim 7 to 10, it is characterised in that
Product between the quantity of subgraph block described in any group and the corresponding displaying ratio is fixed value.
12. the cloud atlas dynamic play device according to any one of claim 7 to 10, it is characterised in that also include：
Interpolating unit, for when detecting the displaying ratio more than 1, being carried out to the data frame for being loaded onto the show layers
Interpolation compensation processing.
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