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Transcript
NovaStar 5 Software
NovaStar 5 Software Advantages
 Multi-user web page access to base station database
 No client access software required
 User preferences kept on client workstations
 Client side user interface keeps band width low
 SQL database design allow open access to database
 SQL replication used to synchronize master database
with backup database servers
 Linux operation system
 Reliable and robust operating system
 Operating system not subject to Microsoft virus attacks
 Can be installed on virtual servers
Web page user interface to list and edit
NovaStar 5 Database Advantages
 Locally hosted database
 Data is kept onsite to insure ownership
 Local access to data continues when external internet
access goes down
 Local database backups
 Multiple database servers with synchronized database
 A change in the master database is immediately copied
to backup databases through SQL replication
 Scheduled database backups
 Intranet database backup to local backup servers
 Internet database backup to HydroLynx
NovaStar 5 Database Advantages
Master Server
Data
collection
Database
Work
Statio
n
Database
Work
Statio
n
Database
Work
Statio
n
Backup Server
Data
collection
Remote Server
Data
collection
NovaStar 5 Data Collection Advantages
 All NovaStar servers collect ALERT1 and ALERT2 data
 Satellite and other agency (COE,USGS) imported from
internet
 Use serial and network connections to decoders
 A serial connection is hard wired and not subject to
network outages
 A network connection allows a NovaStar server to
connect to decoders at remote locations
 Data received from all decoders will be blended before
filing in the NovaStar 5 master database
 In failover mode, data is filed in the local database
NovaStar 5 Data Collection Advantages
Serial
connection
Master Server
Network connection
ALERT1
Decoder
ALERT2
Decoder
Backup Server
Network connection
Internet
Data
Collection
Serial
connection
Remote Server
Network connection
ALERT1
Decoder
ALERT2
Decoder
NovaStar 5 Data Processing
 Data validation and calibration
 Incremental precipitation and rating computation
 Check alarm conditions and notify
 Trigger equation computation
 Determine threat level
 Automate river forecasting
 Finished data exported to other agencies (NWS)
 Data edit
Data Validation and Calibration
Assign Ratings
Alarm triggers
 Upper limit
 Lower limit
 Rise over time (rainfall)
 Fall over time
 Distinct level
 No report
 Too many reports
 Data collection down
 Network synchronization down.
NovaStar 5 Alarm Checking
Data edit
NovaStar 5 User Access Advantages
 Database reads and writes can be done from any
database server
 Web page browsers connect to one of the NovaStar 5
database servers to read and write data
 User login determines role for database access
 Users have unique login names or share a global name
 Login names are assigned to one or more user roles
 A guest role prevents write access to the database
 User groups limit access to the database
 Stations, sensors, maps, plots, and reports can be
limited to a user group or user name
NovaStar 5 User Interface Advantages
 Client side user interface
 Web page browser user interface requires no training
 User preferences are kept on user workstation
 Browser shortcuts provide quick access to pages
 NovaScore feature of database flags significant data
 Alarm triggers set data report score values
 Score values highlight data on maps and in data tables
 Links on data provide drill down functionality
 Edit data reports
 Check point parameters
 Recalibrate data
NovaStar 5 Data Sharing Advantages
 Data can be shared by NovaStar 5 web page
 Scheduled reports can prepare data for public access
 Reports can be text, xml, html, graphic maps, plots.
 Reports can be pushed to another server
 Reports can be pulled from another server
 Public web page hosting
 Customized web page hosting with Apache server
 Limit public access to prevent denial of service attacks
 Pull data from NovaStar 5 database for public page
display or google maps
 Create control pages for roadway signs.