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This article analyzes the current Web graphic processing technique, and then it puts forward a new model of object grouping database and technology of rapid graphic refreshment based on the incremental data. Later on it discusses collaborative graphic editing technology to organize GIS data more effectively and improve graphics interaction processing efficiency under network environment.
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.