EP1343132A1 - Visionneuse de données - Google Patents

Visionneuse de données Download PDF

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Publication number
EP1343132A1
EP1343132A1 EP02005440A EP02005440A EP1343132A1 EP 1343132 A1 EP1343132 A1 EP 1343132A1 EP 02005440 A EP02005440 A EP 02005440A EP 02005440 A EP02005440 A EP 02005440A EP 1343132 A1 EP1343132 A1 EP 1343132A1
Authority
EP
European Patent Office
Prior art keywords
data
processing unit
data processing
file
unit
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP02005440A
Other languages
German (de)
English (en)
Inventor
Gary Don Thompson
Mark Johnston
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Siemens Computers Inc
Original Assignee
Fujitsu Siemens Computers 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 Fujitsu Siemens Computers Inc filed Critical Fujitsu Siemens Computers Inc
Priority to EP02005440A priority Critical patent/EP1343132A1/fr
Publication of EP1343132A1 publication Critical patent/EP1343132A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/39—Control of the bit-mapped memory
    • G09G5/393—Arrangements for updating the contents of the bit-mapped memory
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G09G2340/14—Solving problems related to the presentation of information to be displayed
    • G09G2340/145—Solving problems related to the presentation of information to be displayed related to small screens

Definitions

  • the invention relates to a data viewer according to claim 1.
  • the user of a data processing system has the same problem when he has to inspect a data file or text file which needs more capacity in the working memory than the system is provided with.
  • common data or text editors load as much as possible into the working memory and write the excess to the hard disk drive.
  • the data viewer is provided with at least a first data processing unit, a non-volatile memory unit which is connected with said first data processing unit, at least one data file which is stored in said non-volatile memory unit, a monitor is connected to said first data processing unit for viewing data provisionally stored in a working memory whereby the viewer is characterised by an access device which is a part of the first data processing unit, reading a predetermined part of the data file and storing said part in the working memory unit to provide a view via said monitor.
  • FIG. 1 shows a client data processing unit 3 which is provided with a working memory 8, a hard disk drive 7, and a monitoring unit 5. Furthermore, in said client first data processing unit 3, an access device 9 is implemented. This access device may be implemented as a hardware as well as a software solution.
  • said client data processing device 3 is connected to a bus system 6 to which a server data processing unit 1 may be connected.
  • the system bus may be any connection between at least two data processing devices, e.g. connetions via Internet, USB, phoneline or any other communication link.
  • the server unit 1 is additionally provided with at least a hard disk drive 2.
  • At least on one of the two said hard disk a data file 4 is stored for an inspection of a user of said first data processing unit 3.
  • said data file 4 is shown schematicaly. If the user wants to view a part of said data file which is determined by the boundaries 11 and 12, for instance with the scroll bar 10, he may select said part and the access device 9 will read this designated part and transfer it to the working memory 8 so that it can be shown on said monitor 5.
  • the access device 9 will also read a preceding part 14 and a subsequent part 15 which are adjacent parts to the designated part 13. These two parts are additionally limited by the boundary 17 for the preceding part 14 and by lower boundary 16 for the subsequent part 15.
  • the access device 9 reads said two additional parts and saves them to the working memory 8. This has the advantage that when the user wants to view the subsequent or preceding part, he has no waiting period until the access device has transferred one of the two parts to the working memory.
  • the access device 9 has to replace the subsequent and preceding part, respectively.
  • the data viewer overcomes the above-mentioned problems by downloading only the designated portion of the file the user is interested to view at a time.
  • the user can move the scroll bar for designating the designated part 13 to any point in the file simply by adjusting the scroll bar.
  • the viewer is calculating what part of said file the scroll bar's position corresponds to. It then requests just that portion of the file from the back end and displays it. It waits until the user lets it rest at the final position and then fetches that portion of the file.
  • the viewer has a search and filter capability.
  • a server/client system as schown in Fig. 1 schematicly, the actual searches are done on the server represented in this example by the second data processing unit 1.
  • the client is represented by the first data processing unit 3.
  • the search or filter results are, like the normal text, just sent to the client upon demand.
  • the load on the working memory at the client is actually quite light.
  • the viewer has the following advantages. It avoids downloading the entire file. The user doesn't have to wait for a slow download of large files and resources requirement on the client system in particular for the working memory are relatively light. It allows the user to view, search and filter the entire file without having to deal with it in blocks.
  • the access device is provided with a helper process optionally on the server system, which builds a series of indexes for the file.
  • the indexes conceptually break the file into sequential blocks and each index points to the beginning of its respective block.
  • the helper process then communicates information about the number of indexes to the access device which is displaying the designated part and the scroll bar.
  • the access device calculates which index the scroll bar position corresponds to and asks the helper process to retrieve the block for the index. In this way, the access device does "just-in-time" data retrieval.
  • the architecture of the invention also supports text searches and filtering.
  • the searches and filtering are done by the helper process on the server in response to a client request.
  • the same sort of scheme with logical indexes is used to break the results of the search or filter into small chunks which are presented to the client as a seamless whole.
EP02005440A 2002-03-08 2002-03-08 Visionneuse de données Withdrawn EP1343132A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02005440A EP1343132A1 (fr) 2002-03-08 2002-03-08 Visionneuse de données

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02005440A EP1343132A1 (fr) 2002-03-08 2002-03-08 Visionneuse de données

Publications (1)

Publication Number Publication Date
EP1343132A1 true EP1343132A1 (fr) 2003-09-10

Family

ID=27741165

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02005440A Withdrawn EP1343132A1 (fr) 2002-03-08 2002-03-08 Visionneuse de données

Country Status (1)

Country Link
EP (1) EP1343132A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2071476A1 (fr) * 2007-12-12 2009-06-17 Mitsubishi Electric Corporation Dispositif de recherche, procédé de recherche et programme de recherche

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0933694A1 (fr) * 1997-07-18 1999-08-04 Pfu Limited Afficheur a haute definition et support d'enregistrement de programmes associe
WO2002015162A2 (fr) * 2000-08-17 2002-02-21 Innotive Corporation Procede et systeme d"affichage de donnees d"image

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0933694A1 (fr) * 1997-07-18 1999-08-04 Pfu Limited Afficheur a haute definition et support d'enregistrement de programmes associe
WO2002015162A2 (fr) * 2000-08-17 2002-02-21 Innotive Corporation Procede et systeme d"affichage de donnees d"image

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2071476A1 (fr) * 2007-12-12 2009-06-17 Mitsubishi Electric Corporation Dispositif de recherche, procédé de recherche et programme de recherche

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