IRIS

Intelligent Roadway Information System

System Attributes

Select View ➔ System ➔ System Attributes menu item

A system attribute is a configurable value which can be used to customize the IRIS system. Each attribute has a corresponding type: string, boolean, integer or floating point number.

String values are limited to 64 characters or less
Boolean values must be specified as either true or false
Numeric attributes can be constrained to a minimum and maximum bound, depending on the attribute.

When a system attribute has been modified from its default value, it will be displayed in bold on the System Attributes form.

Most attribute changes take effect immediately, but some require the IRIS client or server to be restarted.

System Attribute	Description
`action_plan_alert_list`	CSV list of users that trigger action plan activation alerts
`action_plan_event_purge_days`	Number of days after which action plan events will be purged
`alarm_event_purge_days`	Number of days after which alarm events will be purged
`beacon_event_purge_days`	Number of days after which beacon events will be purged
`camera_autoplay`	Automatically stream video when a camera is selected
`camera_blank_url`	Location of PNG image to display for blankd video monitors
`camera_construction_url`	Location of PNG image to display for cameras out due to construction
`camera_image_base_url`	Base location of published camera images
`camera_kbd_panasonic_enable`	Enable camera control from Panasonic CU-950 keyboards
`camera_num_blank`	Camera number reserved for blanking video monitors
`camera_out_of_service_url`	Location of PNG image to display for out of service cameras
`camera_sequence_dwell_sec`	Dwell time for camera sequences
`camera_preset_store_enable`	Enable preset-store button in the camera preset control panel
`camera_ptz_blind`	Allow camera controls to be used even when not currently streaming to the IRIS client
`camera_stream_controls_enable`	Enable camera stream control panel (stop, play, etc.)
`camera_switch_event_purge_days`	Number of days after which camera switch events will be purged
`camera_video_event_purge_days`	Number of days after which camera video events will be purged
`camera_wiper_precip_mm_hr`	Precipitation rate to activate camera wipers (mm/hour)
`clearguide_key`	ClearGuide customer key
`client_event_purge_days`	Number of days after which client events will be purged
`client_units_si`	`true` for the client to display units using the International System of Units (SI) or `false` for customary (US) units
`comm_event_enable`	Enable logging communication events to database
`comm_event_purge_days`	Number of days after which communication events will be purged
`database_version`	IRIS database version; developer attribute. Do not change.
`detector_auto_fail_enable`	Enable "auto fail" of traffic detectors with suspicious data
`detector_event_purge_days`	Number of days after which detector events will be purged
`dms_comm_loss_enable`	Enable blanking DMS after communication time out
`dms_gps_jitter_m`	Threshold (m) for GPS change to update DMS location
`dms_lamp_test_timeout_secs`	Time to wait for DMS lamp test to complete
`dms_page_on_max_secs`	Maximum selectable DMS page on time (seconds)
`dms_page_on_min_secs`	Minimum selectable DMS page on time (seconds)
`dms_pixel_off_limit`	Number of stuck-off pixels allowed in a DMS message
`dms_pixel_on_limit`	Number of adjacent stuck-on pixels allowed in a DMS message
`dms_pixel_maint_threshold`	Number of pixel failures before requiring maintenance
`dms_pixel_test_timeout_secs`	Time to wait for DMS pixel test to complete
`dms_render_size`	Specifies Chooser icon size: 0=Large, 1=Medium, 2=Small, 3=Auto
`dms_send_confirmation_enable`	Enable a confirmation dialog box when the DMS Send button is pressed
`dms_update_font_table`	Enable the updating of the DMS controller font table to match the font table in IRIS
`dmsxml_reinit_detect`	Enable DMS reinitialization detection for DMSXML controllers
`email_rate_limit_hours`	Hours to wait before sending duplicate emails
`email_recipient_action_plan`	Recipient of action plan emails
`email_recipient_aws`	Recipient of AWS emails
`email_recipient_dmsxml_reinit`	Recipient of DMS reinit detection emails
`email_recipient_gate_arm`	Recipient of gate arm alert emails
`email_sender_server`	Sender email address of IRIS server
`email_smtp_host`	SMTP host for sending email
`gate_arm_alert_timeout_secs`	Time to wait before sending gate arm alerts after comm failure
`gate_arm_event_purge_days`	Number of days after which gate arm events will be purged
`help_trouble_ticket_enable`	Enable help menu item for creating trouble tickets
`help_trouble_ticket_url`	URL of Trac trouble ticket system
`incident_clear_advice_multi`	Advice for DMS messages when incidents are cleared
`incident_clear_secs`	Seconds to leave cleared incidents before removing them
`map_extent_name_initial`	Name of map extent displayed when client starts
`map_icon_size_scale_max`	Maximum map scale (meters per pixel) to use full icon size
`map_segment_max_meters`	Maximum distance for connecting map segments
`meter_event_enable`	Enable logging ramp meter events to database
`meter_event_purge_days`	Number of days after which ramp meter events will be purged
`meter_green_secs`	Ramp meter green interval time
`meter_max_red_secs`	Ramp meter maximum red interval time
`meter_min_red_secs`	Ramp meter minimum red interval time
`meter_yellow_secs`	Ramp meter yellow interval time
`msg_feed_verify`	Require DMS messages from msg_feed to exist in message library
`operation_retry_threshold`	Number of times a controller operation is retried if not already failed
`price_message_event_purge_days`	Number of days after which price message events will be purged
`route_max_legs`	Maximum number of corridors for route finding
`route_max_miles`	Maximum distance (miles) for route finding
`rwis_high_wind_speed_kph`	Wind speed (kph) greater than this value triggers the high wind condition
`rwis_low_visibility_distance_m`	Visibility (meters) less than this value triggers the low visibility condition
`rwis_obs_age_limit_secs`	Weather sensor observations with an age (in secs) greater than this value will be ignored
`rwis_max_valid_wind_speed_kph`	Maximum valid wind speed (kph). Use 0 to indicate no maximum
`sample_archive_enable`	Enable archiving of sample data
`sign_event_purge_days`	Number of days after which sign events will be purged
`speed_limit_default_mph`	Default roadway speed limit
`speed_limit_max_mph`	Maximum roadway speed limit
`speed_limit_min_mph`	Minimum roadway speed limit
`tag_read_event_purge_days`	Number of days after which tag read events will be purged
`toll_density_alpha`	α coefficient to convert density to tolling price
`toll_density_beta`	β coefficient (exponent) to convert density to tolling price
`toll_min_price`	Minimum tolling price for one trip
`toll_max_price`	Default maximum tolling price for one trip
`travel_time_min_mph`	Minimum overall speed for estimating travel times
`uptime_log_enable`	Enable logging of system uptime
`vsa_bottleneck_id_mph`	Maximum speed to identify a bottleneck station for VSA
`vsa_control_threshold`	Acceleration threshold for VSA control distance
`vsa_downstream_miles`	Distance downstream of bottleneck to deploy VSA
`vsa_max_display_mph`	Maximum speed to display for VSA
`vsa_min_display_mph`	Minimum speed to display for VSA
`vsa_min_station_miles`	Minimum distance between stations for VSA
`vsa_start_intervals`	Number of intervals before activating a bottleneck for VSA
`vsa_start_threshold`	Acceleration threshold to activate a bottleneck
`vsa_stop_threshold`	Acceleration threshold to deactivate a bottleneck
`window_title`	Window title prefix when user is logged in
`work_request_url`	URL to submit device work requests