Method for recording data which varies with time in space constituted by dimensional axes
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-017/50
G06F-007/60
G06F-007/00
G06F-017/00
G06G-007/48
G06T-015/00
G09G-005/00
출원번호
US-0715926
(2010-03-02)
등록번호
US-8423330
(2013-04-16)
발명자
/ 주소
Inada, Yoshie
출원인 / 주소
Fujitsu Limited
대리인 / 주소
Fujitsu Patent Center
인용정보
피인용 횟수 :
0인용 특허 :
7
초록▼
The data acquisition unit acquires data in correspondence with each dimensional axis and the time axis. The mode setting unit makes setting and clearing of a dimensionality investigation mode. In the dimensionality investigation mode, the axis-determinative variation-rate calculation unit calculates
The data acquisition unit acquires data in correspondence with each dimensional axis and the time axis. The mode setting unit makes setting and clearing of a dimensionality investigation mode. In the dimensionality investigation mode, the axis-determinative variation-rate calculation unit calculates axial data variation rates. The axis determination unit determines whether or not the axial data variation rate corresponding to each axis is low. The objective-axis setting unit sets each axis as an objective axis when the axial data variation rate corresponding to the axis is determined to be high. While the dimensionality investigation mode is cleared, the recording-determinative variation-rate calculation unit calculates axial data variation rates. The recording determination unit determines, on the basis of the axial data variation rate, whether to record the acquired data. The recording unit does not record the data when the data is determined not to be recorded.
대표청구항▼
1. A computer-readable, non-transitory medium storing a data recording program for use in simulations, including molecular simulation and global warming simulation, where data varies with time in a space constituted by dimensional axes, the data recording program, when executed by a computer, causin
1. A computer-readable, non-transitory medium storing a data recording program for use in simulations, including molecular simulation and global warming simulation, where data varies with time in a space constituted by dimensional axes, the data recording program, when executed by a computer, causing the computer to perform a procedure comprising: acquiring data varying with displacement in a direction of each of the dimensional axes and time indicated by a time axis, in correspondence with the time axis and each of the dimensional axes;setting the computer in a dimensionality investigation mode for determining, based on magnitudes of variations of the data in axial directions, one or more objective axes to be one or more objects of investigation as to dimensionality;calculating an axial data variation rate indicating a rate of variation in the acquired data corresponding to displacement in a direction of each of the dimensional axes and the time axis, while the computer is in the dimensionality investigation mode;comparing the calculated axial data variation rates respectively with thresholds corresponding to the dimensional axes and the time axis;selecting one or more of the dimensional axes and the time axis as one or more objective axes when one or more axial data variation rates corresponding to the one or more of the dimensional axes and the time axis are determined to be equal to or higher than the corresponding thresholds, while rejecting the others of the dimensional axes and the time axis whose corresponding axial data variation rates are determined to be lower than the corresponding thresholds;clearing setting of the dimensionality investigation mode;calculating an objective axial data variation rate indicating a rate of variation in the acquired data corresponding to displacement in a direction of each of the one or more objective axes, while the computer is out of the dimensionality investigation mode;determining whether to record data varying with displacement in a direction of the objective axes, based on the calculated objective axial data variation rates; andrecording in a data table the data that is determined to be recorded, and not recording in the data table the data that is determined not to be recorded. 2. The computer-readable, non-transitory medium according to claim 1, wherein: the calculating of the axial data variation rates obtains the axial data variation rate corresponding to each of the dimensional axes by calculating an average value per unit time of variation rates of data varying with displacement in a direction of each of the dimensional axes, andthe calculating of the objective axial data variation rates obtains the objective axial data variation rate corresponding to each of the objective axes by calculating an average value per unit time of variation rates of data varying with displacement in the direction of each of the objective axes. 3. The computer-readable, non-transitory medium according to claim 1, wherein: the thresholds corresponding to the dimensional axes and the time axis are also applicable to the objective axes, andthe determining of whether to record the data compares the one or more objective axial data variation rates corresponding to the one or more objective axes respectively with one or more of the thresholds corresponding to the one or more objective axes, and determines not to record the data in the data table when the objective axial data variation rate corresponding to at least one of the one or more objective axes is lower than the corresponding threshold. 4. The computer-readable, non-transitory medium according to claim 3, wherein: the procedure further comprises receiving an input that designates axes from among the dimensional axes and the time axis, andthe comparing compares the first axial data variation rates corresponding only to the designated axes with the thresholds corresponding thereto. 5. The computer-readable, non-transitory medium according to claim 4, wherein the calculating of the first axial data variation rates obtains the first axial data variation rates corresponding only to the designated axes by calculating an average value per unit time of variation rates of the data in a direction of each of the designated axes, and the calculating of the objective axial data variation rates obtains each of the one or more objective axial data variation rates corresponding to the one or more objective axes by calculating an average value per unit time of variation rates of the data in the direction of one of the one or more objective axes. 6. The computer-readable, non-transitory medium according to claim 1, wherein: the thresholds corresponding to the dimensional axes and the time axis are also applicable to the objective axes, andthe determining of whether to record the data compares the one or more objective axial data variation rates corresponding to the one or more objective axes respectively with one or more of the thresholds corresponding to the one or more objective axes, and determines not to record the data in the data table when one or more objective axial data variation rates corresponding to all of the one or more objective axes are lower than one or more corresponding thresholds. 7. The computer-readable, non-transitory medium according to claim 6, wherein: the procedure further comprises receiving an input that designates axes from among the dimensional axes and the time axis,the comparing compares the first axial data variation rates corresponding only to the designated axes with the thresholds corresponding thereto. 8. The computer-readable, non-transitory medium according to claim 7, wherein the calculating of the first axial data variation rates obtains the first axial data variation rates corresponding only to the designated axes by calculating an average value per unit time of variation rates of the data varying with displacement in a direction of each of the designated axes, and the calculating of the objective axial data variation rates obtains each of the one or more objective axial data variation rates corresponding to the one or more objective axes by calculating an average value per unit time of variation rates of data varying with displacement in a direction of one of the one or more objective axes. 9. The computer-readable, non-transitory medium according to claim 1, wherein: the acquiring sequentially acquires the data in correspondence with displacement along the time axis,the setting sets the computer to the dimensionality investigation mode so that a predetermined number of data sets beginning from a data set which is first acquired by the acquiring are processed in the dimensionality investigation mode, andthe clearing clears setting of the dimensionality investigation mode so that data sets following the predetermined number of data sets are processed out of the dimensionality investigation mode. 10. The computer-readable, non-transitory medium according to claim 1, wherein: the acquiring sequentially acquires the data in correspondence with displacement along the time axis,the setting sets the computer to the dimensionality investigation mode so that data sets which are acquired during a predetermined time after the data is first acquired are processed in the dimensionality investigation mode, andthe clearing clears setting of the dimensionality investigation mode so that data sets which are acquired by the data acquisition unit after the predetermined time after the data is first acquired are processed out of the dimensionality investigation mode. 11. The computer-readable, non-transitory medium according to claim 1, wherein: the acquiring sequentially acquires the data in correspondence with displacement along the time axis,the setting sets the computer to the dimensionality investigation mode so that a predetermined number of data sets beginning from a certain data set are processed in the dimensionality investigation mode,the clearing clears setting of the dimensionality investigation mode so that an objective predetermined number of data sets following the predetermined number of data sets are processed out of the dimensionality investigation mode, andthe setting and clearing of the dimensionality investigation mode are thereafter repeated for processing the data alternately in and out of the dimensionality investigation mode. 12. The computer-readable, non-transitory medium according to claim 1, wherein: the acquiring sequentially acquires the data in correspondence with displacement along the time axis,the setting sets the computer to the dimensionality investigation mode so that data sets which are acquired by the data acquisition unit during a first predetermined time after acquisition of a certain data set are processed in the dimensionality investigation mode,the clearing clears setting of the dimensionality investigation mode so that data which are acquired by the data acquisition unit during an objective predetermined time after the elapse of the first predetermined time are processed out of the dimensionality investigation mode, andthe setting and clearing of the dimensionality investigation mode are thereafter repeated so that the data are processed alternately in and out of the dimensionality investigation mode. 13. The computer-readable, non-transitory medium according to claim 1, wherein: the calculating of the first axial data variation rates obtains the first axial data variation rate corresponding to each of the dimensional axes by calculating an average value per unit time of variation rates of the data in the direction of the dimensional axis,the comparing compares the calculated first axial data variation rates corresponding to the dimensional axes respectively with the corresponding thresholds,the calculating of the objective axial data variation rates obtains the objective axial data variation rate corresponding to each of the dimensional axes selected as the objective axes by calculating an average value per unit time of variation rates of data varying with displacement in the direction of the objective dimensional axis, andthe determining of whether to record the data determines whether to record data varying with displacement in a direction of the objective axes, on the basis of the objective axial data variation rates corresponding to the dimensional axes selected as the objective axes. 14. A data recording apparatus for use in simulations, including molecular simulation and global warming simulation, where data varies with time in a space constituted by dimensional axes, the data recording apparatus comprising a processor configured to perform a procedure comprising: acquiring data varying with displacement in a direction of each of the dimensional axes and time indicated by a time axis, in correspondence with the time axis and each of the dimensional axes;setting the processor in a dimensionality investigation mode for determining, based on magnitudes of variations of the data in axial directions, one or more objective axes to be one or more objects of investigation as to dimensionality;calculating an axial data variation rate indicating a rate of variation in the acquired data corresponding to displacement in a direction of each of the dimensional axes and the time axis, while the computer is in the dimensionality investigation mode;comparing the calculated first axial data variation rates respectively with thresholds corresponding to the dimensional axes and the time axis;selecting one or more of the dimensional axes and the time axis as one or more objective axes when one or more axial data variation rates corresponding to the one or more of the dimensional axes and the time axis are determined to be equal to or higher than the corresponding thresholds, while rejecting the others of the dimensional axes and the time axis whose corresponding axial data variation rates are determined to be lower than the corresponding threshold;clearing setting of the dimensionality investigation mode;calculating an objective axial data variation rate indicating a rate of variation in the acquired data corresponding to displacement in a direction of each of the one or more objective axes, while the processor is out of the dimensionality investigation mode;determining whether to record data varying with displacement in a direction of the objective axes, based on the calculated objective axial data variation rates; andrecording in a data table the data that is determined to be recorded, and not recording in the data table the data that is determined not to be recorded. 15. A data recording process for use by a computer in simulations, including molecular simulation and global warming simulation, where data varies with time in a space constituted by dimensional axes, the process comprising: acquiring data varying with displacement in a direction of each of the dimensional axes and time indicated by a time axis, in correspondence with the time axis and each of the dimensional axes;setting the computer in a dimensionality investigation mode for determining, based on magnitudes of variations of the data in axial directions, one or more objective axes to be one or more objects of investigation as to dimensionality;calculating an axial data variation rate indicating a rate of variation in the acquired data corresponding to displacement in a direction of each of the dimensional axes and the time axis, while the computer is in the dimensionality investigation mode;comparing the calculated first axial data variation rates respectively with thresholds corresponding to the dimensional axes and the time axis;selecting one or more of the dimensional axes and the time axis as one or more objective axes when one or more axial data variation rates corresponding to the one or more of the dimensional axes and the time axis are determined to be equal to or higher than the corresponding thresholds, while rejecting the others of the dimensional axes and the time axis whose corresponding axial data variation rates are determined to be lower than the corresponding thresholds;clearing setting of the dimensionality investigation mode;calculating an objective axial data variation rate indicating a rate of variation in the acquired data corresponding to displacement in a direction of each of the one or more objective axes, while the computer is out of the dimensionality investigation mode;determining whether to record data varying with displacement in a direction of the objective axes, based on the calculated objective axial data variation rates; andrecording in a data table the data that is determined to be recorded, and not recording in the data table the data that is determined not to be recorded.
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