SYSTEM, METHOD, AND APPARATUS FOR DATA PROCESSING AND DISPLAY

• US 20160358315A1
• Filed: 06/01/2016
• Published: 12/08/2016
• Est. Priority Date: 06/03/2015
• Status: Active Grant

• Current Assignee: Alibaba Group Holding Ltd.
• Original Assignee: Alibaba Group Holding Ltd.
• Inventors: ZHOU, Ningyi, WEN, Xiao
• Granted Patent: US 9,786,037 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G06T 3/4092 Image resolution transcoding, e.g. by using client-server architectures

Abstract

A method for data processing and display is disclosed. The method may be implemented by a terminal device. The method may include: transmitting a data request to a server, the data request including at least data associated with a display area of a window; receiving trace data from the server according to the data request, the trace data including dynamic motion data of a target object within the display area; and processing the received trace data to render a trace image in the display area.

Claims

1. A method for processing data, comprising:

transmitting, by a terminal device, a data request to a server, the data request including at least data associated with a display area of a window;

receiving, by the terminal device, trace data from the server according to the data request, the trace data including dynamic motion data of a target object within the display area; and

processing, by the terminal device, the received trace data to render a trace image in the display area.

2. The method of claim 1, wherein processing the received trace data to render the trace image includes processing the received trace data to render the trace image according to at least one of a first rule of selecting a method of rendering images or a second rule of deleting redundant trace data.

3. The method of claim 1, wherein transmitting the data request to the server includes at least one of:

transmitting the data request in real time,

transmitting the data request after a preset time interval elapses, and

after receiving trace data according to the data request, transmitting a next data request.

4. The method of claim 2, wherein:

the method of rendering images includes a dot pattern rendering mode and a line pattern rendering mode; and

processing the received trace data to render the trace image in the display area includes;

determining a rendering density of the trace image, based on at least one of a sampling frequency of the received trace data and a scaling value of the trace image,

when the rendering density of the trace image is greater than a first threshold, selecting the dot pattern rendering mode to render the received trace data in the display area, and

when the rendering density of the trace image is smaller than the first threshold, selecting the line pattern rendering mode to render the received trace data in the display area.

5. The method of claim 4, further comprising, before determining the rendering density of the trace image:

obtaining, by the terminal device and from the received trace data, latitude and longitude coordinates of the display area; and

comparing, by the terminal device, the latitude and longitude coordinates with screen coordinates of the display area in a screen of the terminal device to obtain the scaling value of the trace image.

6. The method of claim 4, wherein selecting the dot pattern rendering mode to render the received trace data in the display area includes:

under the dot pattern rendering mode, obtaining, by the terminal device, a superposition value of a pixel rendered according to a pixel superposition strategy;

rendering the pixel according to the pixel superposition strategy, by the terminal device, if the superposition value of the pixel is less than a preset superposition limit.

7. The method of claim 4, wherein selecting the line pattern rendering mode to render the received trace data in display area includes:

under the line pattern rendering mode, obtaining, by the terminal device, a distance value between two pixels in the rendered trace image; and

rendering, by the terminal device, a line between the two pixels, if the distance between the two pixels exceeds a second threshold.

8. The method of claim 1, further comprising, before transmitting the data request to the server:

obtaining, by the terminal device, coordinates of a display area in a screen coordinate system of the terminal device; and

transforming, by the terminal device, the coordinates of the display area from the screen coordinate system to a latitude-longitude coordinate system, and

wherein the data request includes the coordinates in the latitude-longitude coordinate system.

9. The method of claim 1, further comprising, before transmitting the data request to the server:

generating, by the terminal device, a visualization layer; and

scaling, by the terminal device, the visualization layer according to a screen size to determine the display area

10. The method of claim 1, wherein the data request includes information related to a preset interval,

wherein the information related to the preset interval enables the server to determine the trace data based on coordinates of the display area in a latitude-longitude coordinate system and the preset interval, and

wherein the trace data include dynamic motion data of the target object within the display area within the preset interval.

11. A non-transitory computer-readable storage medium that stores a set of instructions that is executable by at least one processor of a terminal device to cause the terminal device to perform a method for processing data, the method comprising:

transmitting a data request to a server, the data request including at least data associated with a display area of a window;

receiving trace data from the server according to the data request, the trace data including dynamic motion data of a target object within the display area; and

processing the received trace data to render a trace image in the display area.

12. The non-transitory computer-readable storage medium of claim 11, wherein processing the received trace data to render the trace image includes processing the received trace data to render the trace image according to at least one of a first rule of selecting a method of rendering images or a second rule of deleting redundant trace data.

13. The non-transitory computer-readable storage medium of claim 11, wherein transmitting the data request to the server includes at least one of:

transmitting the data request in real-time,

transmitting the data request after a preset time interval elapses, or

after receiving trace data according to a data request, transmitting a next data request.

14. The non-transitory computer-readable storage medium of claim 12, wherein:

the method of rendering images includes a dot pattern rendering mode and a line pattern rendering mode; and

processing the received trace data to render the trace image in the display area includes;

determining a rendering density of the trace image, based on at least one of a sampling frequency of the received trace data and a scaling value of the trace image,

when the rendering density of the trace image is greater than a first threshold, selecting the dot pattern rendering mode to render the received trace data in the display area, and

when the rendering density of the trace image is smaller than or equal to the first threshold, selecting the line pattern rendering mode to render the received trace data in the display area.

15. The non-transitory computer-readable storage medium of claim 14, wherein the set of instructions that is executable by the at least one processor of the terminal device to cause the terminal device to further perform:

before determining the rendering density of the trace image;

obtaining, from the received trace data, latitude and longitude coordinates of the display area; and

comparing the latitude and longitude coordinates with screen coordinates of the display area in a screen of a terminal device to obtain the scaling value of the trace image.

16. The non-transitory computer-readable storage medium of claim 14, wherein selecting the dot pattern rendering mode to render received trace data in the display area includes:

under the dot pattern rendering mode, obtaining a superposition value of a pixel rendered according to a preset pixel superposition strategy; and

rendering the pixel according to the pixel superposition strategy, if the superposition value of the pixel is less than a preset superposition limit.

17. The non-transitory computer-readable storage medium of claim 14, wherein selecting the line pattern rendering mode to render received trace data in the display area includes:

under the line pattern rendering mode, obtaining a distance value between two pixels in the rendered trace image; and

rendering a line between the two pixels, if the distance between the two pixels exceeds a second threshold.

18. The non-transitory computer-readable storage medium of claim 11, wherein the set of instructions that is executable by the at least one processor of the terminal device to cause the terminal device to further perform:

before transmitting the data request to the server;

obtaining coordinates of a display area in a screen coordinate system of a terminal device; and

transforming the coordinates of the display area from the screen coordinate system to a latitude-longitude coordinate system, and

wherein the data request includes the coordinates in the latitude-longitude coordinate system.

19. A system for data processing, comprising:

a server configured to provide trace data of a target object; and

a terminal device that comprises;

a memory that stores a set of instructions; and

one or more processors configured to execute the set of instructions to cause the terminal to;

transmit a data request to the server, the data request including at least data associated with a display area of a window;

receive the trace data from the server according to the data request, the trace data including dynamic motion data of a target object within the display area; and

process the received trace data to render a trace image in the display area.

20. A method for data processing, comprising:

transmitting, by a terminal device, a data request to a server, the data request including at least data associated with a display area of a window;

receiving, by the terminal device, trace data from the server according to the data request, the trace data including dynamic motion data of a target object within the display area;

processing, by the terminal device, the received trace data to determine a rendering density of a trace image to be rendered based on at least one of a sampling frequency of the received trace data and a scaling value of the trace image;

selecting, by the terminal device, based on the rendering density, a dot pattern rendering mode or a line pattern rendering mode for rendering the trace image; and

rendering, by the terminal device, the trace image based on the selected pattern rendering mode.