Backtracking interactive whiteboard system and backtracking method thereof
A backtracking method and interactive technology, applied in transmission systems, special data processing applications, instruments, etc., can solve problems such as traffic consumption, high memory usage, and poor user experience, so as to reduce occupied bandwidth and avoid blurred vision , the effect of saving traffic consumption
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[0086] Specific Example 1
[0087] The drawing end 1 and the backtracking end 3 are disposed on different terminal devices, where the plotting end 1 is an APP end set on the terminal device A. The backtrack end is a web end set on the terminal device B.
[0088] The user A performs a whiteboard's drawing operation through the drawing end 1 on the terminal device A, and the end 1 records each of the plot operations of the user A and generates a backtrack file, and upload the backtrack file to the server 2. Generating a complete drawing process backtracking file, uploaded to the server 2 after the backchain file is uploaded, the server 2 generates a backtracking interface according to the retractable file and the retranstrum recording, and sent to the drawing end 1.
[0089] The user b acquires the backtracking interface through the tracery end 3 on the terminal device B, and establishes a short connection with the server 2, obtains the backtracking record, and generates a progress ...
Example Embodiment
[0090] Specific Example 2
[0091] The drawing end 1 and the backtracking end 3 are disposed on different terminal devices, where the plotting end 1 is an APP end set on the terminal device C, and the tracetable end is a web end set on the terminal device D.
[0092] The user c performs a whiteboard's drawing operation through the drawing end 1 on the terminal device C, and the end 1 records each plot operation of the user C and generates a backtrack file, and upload the backtrack file to the server 2, and The recording of multiple backtrooting files is generated with the backtracks, and the recording is uploaded to the server 2 in the way with the backtrack file. The server 2 generates a backtracking interface according to the retractable file and the storage position of the recording, and is sent to the drawing end 1.
[0093] The user D acquires the backtracking interface through the tracers 3 on the terminal device D, and establishes a long connection with the server 2 through...
Example Embodiment
[0094] Specific Example 3
[0095] The drawing end 1 and the backtracking end 3 are disposed on the same terminal device, where the drawing end 1 and the tracetable end 2 are both an APP end or web end on the terminal device E.
[0096] The plurality of user E establishes a long connection by the respective terminal device E and the server 2, and the plotting process is uploaded to the server 2, and the server 2 can automatically synchronize to multiple terminal equipment E according to the uploaded backtracking recording and backtrack file. E Restarting the drawing of the whiteboard based on the acquired recording and backtrip file, realizing the common drawing of many people.
[0097] Compared with the prior art, the present invention is sent to the server with a file stream to the server, and is stored by the file stream, and is stored, and the backtrack is transmitted to the server by retrofitting the data structure content, the serial number, and the timestamp of the timestam...
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