WO2015166319A1 - Système et procédé d'optimisation dynamique d'animation de mise à l'échelle de carte - Google Patents

Système et procédé d'optimisation dynamique d'animation de mise à l'échelle de carte Download PDF

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Publication number
WO2015166319A1
WO2015166319A1 PCT/IB2014/066977 IB2014066977W WO2015166319A1 WO 2015166319 A1 WO2015166319 A1 WO 2015166319A1 IB 2014066977 W IB2014066977 W IB 2014066977W WO 2015166319 A1 WO2015166319 A1 WO 2015166319A1
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WO
WIPO (PCT)
Prior art keywords
frame rate
user device
map
target frame
animation
Prior art date
Application number
PCT/IB2014/066977
Other languages
English (en)
Inventor
Sergey Sergeevich KONSTANTINOV
Aleksandr Ustinovich CHUPAKHIN
Original Assignee
Yandex Europe Ag
Yandex Llc
Yandex Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yandex Europe Ag, Yandex Llc, Yandex Inc. filed Critical Yandex Europe Ag
Publication of WO2015166319A1 publication Critical patent/WO2015166319A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G01C21/34—Route searching; Route guidance
    • G01C21/36—Input/output arrangements for on-board computers
    • G01C21/3667—Display of a road map
    • G01C21/367—Details, e.g. road map scale, orientation, zooming, illumination, level of detail, scrolling of road map or positioning of current position marker

Definitions

  • the disclosure relates generally to the field of mapping systems, and more specifically to the systems, methods and computer program products for dynamically optimizing map service performance.
  • Map data may be stored on a remote server before being accessed by and displayed on the various devices.
  • the devices may use either a stand-alone application or a web browser to access the map data.
  • the different devices accessing the map data vary greatly in their characteristics, such as the software being used to access the map data, the processing power of the device, the random access memory (RAM) capacity of the device, the speed and throughput of the internet connection, etc.
  • the server providing the map data to these devices does so with consistent quality and detail, with disregard for the specific characteristics of the device requesting the map data.
  • the device's performance in rendering the map data depends on the device's characteristics. For example, a device with a slow internet connection, a high processor load, and little memory will load the map data slowly and ineffectively, whereas a device with a fast internet connection, a low processor load, and a lot of available memory will load the map data quickly and effectively.
  • the disparity in the characteristics between devices results in an inconsistent and sometimes disappointing digital map service experience by the users of these devices. Therefore, there exists an unmet need in the art for systems and methods for dynamically optimizing map service performance in devices based on the respective devices' characteristics.
  • an example system includes a server configured to receive from a user device a request to access a map service.
  • the server may also receive characteristics of the user device, including one or more of processor type, total memory, graphics subsystem type, current processor load, current number of operations executed by the processor, available memory, and internet connection speed.
  • the server may then select a target frame rate for a map scaling animation of zoom in and zoom out operations for the user device, wherein the target frame rate may be based on the characteristics of the user device, and transmit the selected target frame rate to the user device for displaying the map animation on the user device using the selected target frame rate.
  • the target frame rate may be based on at least one of the current processor load and the current number of operations executed by the processor.
  • the server may be further configured to transmit instructions to the user device to simulate in a background a scaling animation at the target frame rate; monitor in real-time a simulation frame rate at which the user device is able to simulate the scaling animation; adjust the target frame rate to match the simulation frame rate; and transmit instructions to the user device to simulate in the background the scaling animation at the adjusted target frame rate.
  • the server may be further configured to transmit to the user device instructions to determine the characteristics of the user device on a periodic basis.
  • the server may be further configured to receive from the user device updated characteristics in response to a detected event affecting at least one of the characteristics of the user device.
  • the event may include one or more of a new application being loaded into memory, a new background process, a change to a different type of internet connection.
  • selecting the target frame rate for the map scaling animation may comprise selecting a maximum frame rate if the current processor load is low; selecting a medium frame rate if the current processor load is moderate; and selecting a minimal frame rate if the current processor load is high.
  • an example system includes a user device having a processor configured to initiate on the user device a program associated with a map service; transmit to a server a request to access the map service; determine characteristics of the user device, the characteristics including one or more of processor type, total memory, graphics subsystem type, current processor load, current number of operations executed by the processor, available memory, and internet connection speed; transmit the determined characteristics to the server; receive a target frame rate for a map scaling animation of zoom in and zoom out operations, wherein the target frame rate is based on the characteristics of the user device; and display the map animation on the user device using the selected target frame rate.
  • an example method for displaying map animation comprises receiving from a user device a request to access a map service; receiving characteristics of the user device, the characteristics including one or more of processor type, total memory, graphics subsystem type, current processor load, current number of operations executed by the processor, available memory, and internet connection speed; selecting a target frame rate for a map scaling animation of zoom in and zoom out operations for the user device, wherein the target frame rate is based on the characteristics of the user device; and transmitting the selected target frame rate to the user device for displaying the map animation on the user device using the selected target frame rate.
  • an example method for displaying map animation comprises initiating on a user device a program associated with a map service; transmitting to a server a request to access the map service; determining characteristics of the user device, the characteristics including one or more of processor type, total memory, graphics subsystem type, current processor load, current number of operations executed by the processor, available memory, and internet connection speed; transmitting the determined characteristics to the server; receiving a target frame rate for a map scaling animation of zoom in and zoom out operations, wherein the target frame rate is based on the characteristics of the user device; and displaying the map animation on the user device using the selected target frame rate.
  • an example computer program product stored on a non-transitory computer-readable storage medium comprising computer-executable instructions for displaying map animation, including instructions for receiving from a user device a request to access a map service; receiving characteristics of the user device, the characteristics including one or more of processor type, total memory, graphics subsystem type, current processor load, current number of operations executed by the processor, available memory, and internet connection speed; selecting a target frame rate for a map scaling animation of zoom in and zoom out operations for the user device, wherein the target frame rate is based on the characteristics of the user device; and transmitting the selected target frame rate to the user device for displaying the map animation on the user device using the selected target frame rate.
  • an example computer program product stored on a non-transitory computer-readable storage medium comprising computer-executable instructions for displaying map animation, including instructions for initiating on a user device a program associated with a map service; transmitting to a server a request to access the map service; determining characteristics of the user device, the characteristics including one or more of processor type, total memory, graphics subsystem type, current processor load, current number of operations executed by the processor, available memory, and internet connection speed; transmitting the determined characteristics to the server; receiving a target frame rate for a map scaling animation of zoom in and zoom out operations, wherein the target frame rate is based on the characteristics of the user device; and displaying the map animation on the user device using the selected target frame rate.
  • FIG. 1 is a diagram illustrating an example aspect of a system for dynamically optimizing map service performance according to one aspect of the invention.
  • FIG. 2 is a diagram illustrating an example aspect of a web browser displaying a map request entry webpage of a system for dynamically optimizing map service performance according to one aspect of the invention.
  • FIG. 3 is a diagram illustrating an example aspect of a map webpage of a system for dynamically optimizing map service performance according to one aspect of the invention.
  • Fig. 4 is a flow diagram illustrating an example method for dynamically optimizing map tiles according to one aspect of the invention.
  • Fig. 5 is a flow diagram illustrating an example method for dynamically optimizing map tiles according to one aspect of the invention.
  • Fig. 6 is a flow diagram illustrating an example method for dynamically optimizing map scaling animation according to one aspect of the invention.
  • Fig. 7 is a flow diagram illustrating an example method for dynamically optimizing map scaling animation according to one aspect of the invention.
  • Fig. 8 is a diagram illustrating an example aspect of a general-purpose computer system on which are implemented the systems and methods for dynamically optimizing map service performance in accordance with aspects of the invention.
  • Fig. 1 depicts an example system 100 for dynamically optimizing map service performance according to one aspect of the invention.
  • the system 100 may include various electronic user devices 102, such as a mobile device, a desktop computer, a laptop, etc.
  • a device 102 may include a map application module 112.
  • the device 102 may be connected to a network 110, such as the Internet, via a wired or wireless connection.
  • a map server 104 Also connected to the network 110 may be a map server 104.
  • the map server 104 may host one or more map services that provide geographic map data to various user devices, such as device 102.
  • the map server 104 may include a map service module 114, a map tile database 116, and an evaluation module 118. The functionality of each of the modules of the device 102 and the map server 104 will be described in greater detail below.
  • module means a real-world device, apparatus, or arrangement of modules implemented using hardware, such as by an application specific integrated circuit (ASIC) or field-programmable gate array (FPGA), for example, or as a combination of hardware and software, such as by a microprocessor system and a set of instructions to implement the module's functionality, which (while being executed) transform the microprocessor system into a special-purpose device.
  • a module can also be implemented as a combination of the two, with certain functions facilitated by hardware alone, and other functions facilitated by a combination of hardware and software.
  • a module can be executed on the processor of a general purpose computer (such as the one described in greater detail in Fig. 8 below). Accordingly, each module can be realized in a variety of suitable configurations, and should not be limited to any particular implementation exemplified herein.
  • the map application module 112 of the device 102 shown in Fig. 1 may be a web browser or any application that allows a user to access a map service, such as the map service provided by the map server 104, via the network 110.
  • Fig. 2 illustrates an example aspect of such a web browser with a user interface 200 displaying a map request entry webpage 202 of a system for dynamically optimizing map service performance according to one aspect of the invention.
  • the map request entry webpage 202 may be hosted and provided by the map service module 114.
  • the map request entry webpage 202 may include a number of text fields for entering specific location information, such as street address 204, city 206, state 208, and postal code (e.g., zip code) 210.
  • the user may then request a map from the map server 104 by selecting a "submit" button 212.
  • a map image may then be generated at the map server 104, transmitted to the user's device 102, and eventually displayed on the web browser user interface 200 in a map webpage.
  • Fig. 3 illustrates an exemplary map webpage 300 on the web browser user interface 200.
  • the map webpage 300 may display the results of the map request from Fig. 2.
  • the displayed information may consist of a map image 302, which depicts the requested location and surrounding area.
  • the requested location may be identified on the map image 302 by an address icon 304, and the address icon 304 may be located in the center of map image 302.
  • the requested location and address icon 304 may also be displayed in a map legend window 306 within map webpage 300.
  • the map webpage 300 may also display buttons or other user interface objects that may be selected to control the manner in which the map image 302 is displayed.
  • zoom control objects 310 may be provided to allow the user to "zoom in” or “zoom out” and thereby affect the displayed scale of map image 302 accordingly, typically while retaining the desired location marked by address icon 304 at the center of the image.
  • the user may also change the scale of the map image 302 with a peripheral control device, such as by scrolling a mouse wheel.
  • the map scaling from one zoom level to another may be animated such that a user perceives a gradual "zooming in” or “zooming out” animation (at a predetermined frame rate) when changing the scale of the map image 302.
  • direction buttons or other similar user interface objects such as "right arrow” direction button 308, may be provided to allow the user to "pan” the image, such as by displaying more of the map information that was previously hidden because it was beyond the "eastern” boundary of map image 308, while shifting and hiding a corresponding portion of the previously displayed “western” portion of the map information.
  • image control objects may be displayed outside the boundary area of the map image 302 or alternatively may be displayed within the map image 302. The user may also "click and drag" the map image 302 to "pan” the image in any desired direction.
  • the device 102 may transmit a request (e.g,. an HTTP request) to the map server 104, which may then respond to the request with a new image containing the new map information to be displayed at the selected zoom level.
  • a request e.g,. an HTTP request
  • the map application module 112 may send a request containing location information for a requested map image to the map server 104.
  • the request may consist of location data received via the web browser user interface 200 through the map request entry webpage 202, as illustrated in Fig. 2.
  • a user may enter the following desired location to be mapped: 1201 Main St., Springfield, New York, 14850.
  • the user may then request a map of the location by selecting a "submit" button 212, and this selection event eventually causes the request to be transmitted (directly or indirectly) from the map application module 112 to the map server 104.
  • the map service module 114 of the map server 104 may receive the request and in response may transmit instructions to the map application module 112 of the device 102 to assess various characteristics of the device 102.
  • the instructions may require the device 102 to assess its static characteristics (e.g., processor type, total memory, graphics subsystem) and dynamic characteristics (e.g., current device processor load, current number of operations executed by the processor, available memory, internet connection speed/bandwidth).
  • the map application module 112 may assess the device characteristics and transmit a message including the assessment of the characteristics to the map service module 114.
  • the map service module 114 may transmit instructions to the map application module 112 to reassess the characteristics of the device 102 on a periodic basis.
  • the map application module 112 may prompt the device 102 to reassess the characteristics in response to any number of events that may potentially affect the characteristics of the device 102, such as a new application being loaded into memory (e.g., user launched a different application), detection of a new background process (e.g., an e-mail application checks a server for new e- mails), the user switching the device 102 to a different type of internet connection (e.g., from 3GPP to WiFi).
  • a new application being loaded into memory
  • detection of a new background process e.g., an e-mail application checks a server for new e- mails
  • the user switching the device 102 to a different type of internet connection e.g., from 3GPP to WiFi.
  • the map service module 114 may transmit the assessment of the characteristics to the evaluation module 118, which evaluates the characteristics and makes certain determinations based on the evaluation of the characteristics.
  • the evaluation module 118 may determine a suitable level of quality (e.g., map tile resolution) and a suitable level of detail (e.g., map tile information) of the map tiles based on the characteristics of the device.
  • the map tile database 116 may store map tiles that constitute the whole of the map at each zoom level, and that form the map image 302 displayed to the user within the map webpage 300.
  • the map service module 114 may retrieve from the map tile database 116 map tiles that correspond to the requested location at the requested zoom level.
  • Each map tile may include a level of detail (e.g., map tile information) showing and identifying various features on the map tile, such as landscape features relevant to its scale, including cities, towns, villages, buildings, roads, railways, walkways, lakes, rivers, woodlands, points of interest, relief or terrain, three-dimensional quality of the surface, specific landforms, etc., as well as labels identifying the features.
  • Each map tile may also include a level of quality (e.g., map tile resolution) related to graphical resolution of the various features.
  • the evaluation module 118 may determine, based on one or more of the characteristics, the quality and detail levels of the map tiles to be transmitted to the device 102. For example, in accordance with one aspect, the evaluation module 118 may adjust the quality level (e.g., map tile resolution) of the map tiles based on the current internet connection speed of the device 102. According to one aspect, the map tile resolution may be measured using a device pixel ratio (DPR). DPR is the ratio between logical pixels (e.g., a pixel on a web page or an image pixel) and physical pixels (e.g., pixels on the screen of the device).
  • DPR device pixel ratio
  • a full map tile with a DPR of 1 may have a size of about 1 megabit (Mb)
  • a full map tile with a DPR of 2 may have a size between 3 Mb and 4 Mb
  • a full map tile with a DPR of 3 may have a size between 4 Mb and 9 Mb.
  • an internet connection speed of about 10 megabits per second (Mbps) (i.e., 1.25 megabytes per second (MBps)) is sufficient for a PDR of 1 and 2, but not acceptable for a DPR of 3.
  • the evaluation module 118 may allow a maximum map tile resolution (e.g., DPR of 3 to 4) if the internet connection speed is fast (e.g., 10 Mbs), a medium map tile resolution (e.g., DPR of 2) if the internet connection speed is moderate (e.g., 5 to 10 Mbs), and a minimum map tile resolution (e.g., DPR of 1) if the internet connection speed is slow (e.g., 0 to 5 Mbps).
  • a maximum map tile resolution e.g., DPR of 3 to 4
  • DPR e.g., DPR of 3 to 4
  • a medium map tile resolution e.g., DPR of 2
  • the internet connection speed is moderate
  • a minimum map tile resolution e.g., DPR of 1
  • the evaluation module 118 may adjust the level of detail (e.g., map tile information) shown on the map tiles based on the current available memory of the device 102. For example, the evaluation module 118 may allow a maximum amount of detail (e.g., showing all buildings, labels, points of interest) on the map tile if the amount of available memory is large (e.g., 70-100%), a medium amount of detail (e.g., partially showing buildings, some labels, no points of interest) on the map tile if the amount of available memory is moderate (e.g., 40-70%), and a small amount of detail (e.g., showing no buildings, no labels, no points of interest) on the map tile if the amount of available memory is low (e.g., 0-40%).
  • a maximum amount of detail e.g., showing all buildings, labels, points of interest
  • the amount of available memory is large (e.g., 70-100%)
  • a medium amount of detail e.g., partially showing buildings, some labels,
  • the evaluation module 118 may assign a level of quality (e.g., map tile resolution) and/or a level of detail (e.g., map tile information) with any number of intermediate gradations based on any one or more of the characteristics of the device 102.
  • a level of quality e.g., map tile resolution
  • a level of detail e.g., map tile information
  • the evaluation module 118 may instruct the map service module 114 to apply the determined map tile quality and detail levels to any map tiles destined for the device 102.
  • the map service module 114 may receive the instructions, apply the determined map tile quality and detail levels to the map tiles that it retrieved from the map tile database 116 for the device 102, and transmit the adjusted map tiles to the device 102.
  • the map application module 112 may receive the adjusted map tiles, and display the adjusted map tiles to the user in the form of a map image 302 within the map webpage 300.
  • the evaluation module 118 may also determine a suitable frame rate of scaling animation. For example, after the evaluation module 118 receives the assessment of the characteristics of the device 102, it may determine, based on one or more of the characteristics, a frame rate (e.g., frames per second (FPS)) of the scaling animation (i.e., zoom animation) appropriate for the device 102. For example, in accordance with one aspect, the evaluation module 118 may assign a target frame rate based on the current processor load of the device 102.
  • a frame rate e.g., frames per second (FPS)
  • FPS frames per second
  • the evaluation module 118 may assign a maximum frame rate (e.g., 30 FPS) for the scaling animation if the processor load is low (e.g., 0- 20%), a medium frame rate (e.g., 5 FPS) for the scaling animation if the processor load is moderate (e.g., 20-50%), and minimum frame rate (e.g., no animation - immediate display of desired zoom level) for the scaling animation if the processor load is high (e.g., 50-100%). It should be noted that the evaluation module 118 may assign a target frame rate having any number of intermediate gradations based on any one or more of the characteristics of the device 102.
  • a maximum frame rate e.g., 30 FPS
  • a medium frame rate e.g., 5 FPS
  • minimum frame rate e.g., no animation - immediate display of desired zoom level
  • the evaluation module 118 may instruct the map service module 114 to transmit to the device 102 the assigned target frame rate with instructions to have the device 102 simulate in the background a map scaling animation at the target frame rate.
  • the map application module 112 may receive the instructions along with any requested map tiles, apply the assigned target frame rate to any scaling operations performed by the user, and simulate the scaling animation as instructed.
  • the map service module 114 may observe the performance of the scaling animation. For example, the map service module 114 may monitor the frame rate at which the device 102 was able to run the scaling animation.
  • the evaluation module 118 may determine whether the assigned target frame rate requires any adjustment. If so, the evaluation module 118 may adjust the target frame rate (e.g., raise or lower target FPS). For example, if the device 102 simulated the scaling animation at a frame rate that was lower than the target frame rate, then the evaluation module 118 may lower the target frame rate; whereas if the device 102 simulated the scaling animation at a frame rate that was equal to or greater than the target frame rate, then the evaluation module 118 may increase the target frame rate. Thereafter, the evaluation module 118 may instruct the map application module 112 to perform another simulation of the scaling animation using the adjusted target frame rate. This process may be repeated continuously while the user is navigating the map image 302 to ensure that the assigned target frame rate matches the actual frame rate of the map scaling animation simulation.
  • the target frame rate e.g., raise or lower target FPS
  • the user of the device 102 is provided with a map service experience that is optimized based on the characteristics of the device 102.
  • Fig. 4 is a flow diagram illustrating an example method for dynamically optimizing map tiles according to one aspect of the invention.
  • the process described in this flow diagram may be implemented in a device accessing a map service, such as a user device 102.
  • the process may begin in block 402, where a device may initiate a program associated with a map service.
  • the device 102 may activate the map application module 112 that would contact map service module 114 to request access to a map service.
  • the map application module 112 may transmit a request to the map service module 114 for at least one map tile.
  • the map application module 112 may receive instructions to determine its device characteristics, such as one or more of a processor type, total memory, graphics subsystem type, current processor load, current number of operations executed by the processor, available memory, internet connection speed, etc. In block 408, the map application module 112 may determine the characteristics of the device 102. In block 410, the map application module 112 may transmit to the map service module 114 the determined characteristics of the device 102. In block 412, the map application module 112 may receive from the map service module 114 at least one map tile that is optimized based on the characteristics of the device 102, and the process may end.
  • the map application module 112 may receive instructions to determine its device characteristics, such as one or more of a processor type, total memory, graphics subsystem type, current processor load, current number of operations executed by the processor, available memory, internet connection speed, etc. In block 408, the map application module 112 may determine the characteristics of the device 102. In block 410, the map application module 112 may transmit to the map service module 114 the determined characteristics of the device
  • Fig. 5 is a flow diagram illustrating an example method for dynamically optimizing map tiles according to one aspect of the invention.
  • the process described in this flow diagram may be implemented in a server hosting a map service, such as map server 104.
  • the process may begin in block 502, where a server may receive a request for at least one map tile.
  • the map service module 114 of the map server 104 may receive a request from the map application module 112 of the device 102 for at least one map tile.
  • the map service module 114 may transmit instructions to the map application module 112 to determine characteristics of the device 102, such as one or more of a processor type, total memory, graphics subsystem type, current processor load, current number of operations executed by the processor, available memory, internet connection speed, etc.
  • the map service module 114 may receive the determined device characteristics from the map application module 112.
  • the evaluation module 118 may analyze the device characteristics and may provide instructions to the map service module 114 to adjust (e.g., optimize) the map tiles based on the analysis of the device characteristics.
  • the map service module 114 may optimize the at least one map tile based on the analysis of the device characteristics.
  • Fig. 6 is a flow diagram illustrating an example method for dynamically optimizing map scaling animation according to one aspect of the invention.
  • the process described in this flow diagram may be implemented in a server hosting a map service, such as map server 104.
  • the process may begin in block 602, where a server may receive a request to access a map service.
  • the map service module 114 of the map server 104 may receive a request from the map application module 112 of the device 102 to access the map service hosted by the map server 104.
  • the map service module 114 may transmit instructions to the map application module 112 to determine characteristics of the device 102, such as one or more of a processor type, total memory, graphics subsystem type, current processor load, current number of operations executed by the processor, available memory, internet connection speed, etc.
  • the map service module 114 may receive the determined device characteristics from the map application module 112.
  • the evaluation module 118 may analyze the device characteristics.
  • the evaluation module 118 may select a target frame rate for a map scaling animation based on the analysis of the device characteristics.
  • the map service module 114 may transmit the target frame rate to the map application module.
  • the map service module 114 may transmit instruction to the map application module 112 to simulate the map scaling animation at the target frame rate.
  • the map service module 114 may monitor in real-time the performance of the scaling animation simulation. For example, the map service module 114 may monitor in real-time a number of frames per second at which the device 102 is able to simulate the map scaling animation.
  • the evaluation module 118 may determine whether the performance of the map scaling animation simulation was satisfactory. For example, the evaluation module 118 may determine whether the assigned target frame rate requires any adjustment based on the performance of the simulation.
  • Fig. 7 is a flow diagram illustrating an example method for dynamically optimizing map scaling animation according to one aspect of the invention.
  • the process described in this flow diagram may be implemented in a device accessing a map service, such as device 102. As shown in Fig. 7, the process may begin in block 702, where a device may initiate a program associated with a map service.
  • the device 102 may activate the map application module 112 that would contact map service module 114 to request access to a map service.
  • the map application module 112 may transmit a request to the map service module 114 to access the map service.
  • the map application module 112 may receive instructions from the map service module 114 to determine its device characteristics, such as one or more of a processor type, total memory, graphics subsystem type, current processor load, current number of operations executed by the processor, available memory, internet connection speed, etc.
  • the map application module 112 may determine the characteristics of the device 102.
  • the map application module 112 may transmit to the map service module 114 the determined characteristics of the device 102.
  • the map application module 112 may receive from the map service module 114 a target frame rate for use in the map scaling animation.
  • the map application module 112 may receive instructions to simulate in the background the map scaling animation at the target frame rate.
  • the evaluation module 118 of the map server 104 may determine whether the results of the map scaling animation simulation were satisfactory. For example, the evaluation module 118 may determine whether the assigned target frame rate requires any adjustment based on the performance of the simulation. If the map scaling animation simulation was not satisfactory, then in block 720, the map application module 112 may receive an adjusted target frame rate based on the performance (e.g., lower or higher target frame rate), and the process may proceed to block 714. If the map scaling animation simulation was satisfactory, then the process ends.
  • Fig. 8 depicts one example aspect of a computer system 5 that may be used to implement the disclosed systems and methods for dynamically optimizing map service performance according to one aspect of the invention.
  • the computer system 5 may include, but not limited to, a personal computer, a notebook, tablet computer, a smart phone, a mobile device, a network server, a router, or other type of processing device.
  • computer system 5 may include one or more hardware processors 15, memory 20, one or more hard disk drive(s) 30, optical drive(s) 35, serial port(s) 40, graphics card 45, audio card 50 and network card(s) 55 connected by system bus 10.
  • System bus 10 may be any of several types of bus structures including a memory bus or memory controller, a peripheral bus and a local bus using any of a variety of known bus architectures.
  • Processor 15 may include one or more Intel ® Core 2 Quad 2.33 GHz processors or other type of microprocessor.
  • System memory 20 may include a read-only memory (ROM) 21 and random access memory (RAM) 23.
  • Memory 20 may be implemented as in DRAM (dynamic RAM), EPROM, EEPROM, Flash or other type of memory architecture.
  • ROM 21 stores a basic input/output system 22 (BIOS), containing the basic routines that help to transfer information between the modules of computer system 5, such as during start-up.
  • BIOS basic input/output system
  • RAM 23 stores operating system 24 (OS), such as Windows ® 7 Professional or other type of operating system, that is responsible for management and coordination of processes and allocation and sharing of hardware resources in computer system 5.
  • OS operating system 24
  • Memory 20 also stores applications and programs 25.
  • Memory 20 also stores various runtime data 26 used by programs 25.
  • Computer system 5 may further include hard disk drive(s) 30, such as SATA HDD, and optical disk drive(s) 35 for reading from or writing to a removable optical disk, such as a CD- ROM, DVD-ROM or other optical media.
  • Hard disk drive(s) 30, such as SATA HDD and optical disk drive(s) 35 for reading from or writing to a removable optical disk, such as a CD- ROM, DVD-ROM or other optical media.
  • Drives 30 and 35 and their associated computer- readable media provide non-volatile storage of computer readable instructions, data structures, applications and program modules/subroutines that implement algorithms and methods disclosed herein.
  • exemplary computer system 5 employs magnetic and optical disks
  • other types of computer readable media that can store data accessible by a computer system 5, such as magnetic cassettes, flash memory cards, digital video disks, RAMs, ROMs, EPROMs and other types of memory may also be used in alternative aspects of the computer system 5.
  • Computer system 5 further includes a plurality of serial ports 40, such as Universal Serial Bus (USB), for connecting data input device(s) 75, such as keyboard, mouse, touch pad and other.
  • Serial ports 40 may be also be used to connect data output device(s) 80, such as printer, scanner and other, as well as other peripheral device(s) 85, such as external data storage devices and the like.
  • System 5 may also include graphics card 45, such as nVidia ® GeForce ® GT 240M or other video card, for interfacing with a display 60 or other video reproduction device, such as touch-screen display.
  • System 5 may also include an audio card 50 for reproducing sound via internal or external speakers 65.
  • system 5 may include network card(s) 55, such as Ethernet, WiFi, GSM, Bluetooth or other wired, wireless, or cellular network interface for connecting computer system 5 to network 70, such as the Internet.
  • the systems and methods described herein may be implemented in hardware, software, firmware, or any combination thereof. If implemented in software, the methods may be stored as one or more instructions or code on a non-transitory computer- readable medium.
  • Computer-readable medium includes data storage.
  • such computer-readable medium can comprise RAM, ROM, EEPROM, CD-ROM, Flash memory or other types of electric, magnetic, or optical storage medium, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a processor of a general purpose computer.

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Processing Or Creating Images (AREA)
  • Instructional Devices (AREA)

Abstract

La présente invention concerne des systèmes, des procédés et des produits-programmes d'ordinateur destinés à optimiser dynamiquement les performances de service de carte et, en particulier, d'animation de mise à l'échelle de carte. Un exemple de système comprend un serveur configuré pour recevoir en provenance d'un dispositif utilisateur une demande d'accès à un service de carte. Le serveur peut également recevoir des caractéristiques du dispositif utilisateur, comprenant un ou plusieurs éléments parmi le type de processeur, la mémoire totale, le type de sous-système graphique, la charge en cours du processeur, le nombre en cours d'opérations exécutées par le processeur, la mémoire disponible et la vitesse de connexion internet. Le serveur peut ensuite sélectionner une fréquence d'image cible pour une animation de mise à l'échelle de carte d'opérations de zoom avant et de zoom arrière pour le dispositif utilisateur, la fréquence d'image cible pouvant être basée sur les caractéristiques du dispositif utilisateur, et transmettre la fréquence d'image sélectionnée au dispositif utilisateur destiné à afficher l'animation de carte sur le dispositif utilisateur à l'aide de la fréquence d'image cible sélectionnée.
PCT/IB2014/066977 2014-04-30 2014-12-16 Système et procédé d'optimisation dynamique d'animation de mise à l'échelle de carte WO2015166319A1 (fr)

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RU2014117561/08A RU2014117561A (ru) 2014-04-30 2014-04-30 Система (варианты ) и способ ( варианты ) отображения анимации карты

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