Posted on 05.06.2007 - 13:00 EDT in SURVEY NEWS by Rons_ROV_Links
|Anchor cable draped over DTM||Vessel shapes and sea surface||Beacon position clusters during USBL system calibration showing flat sandwave seafloor|
If no DTM is available for the work area, a user-selectable flat sea surface and a seafloor is still available.
Vessel guidance information such as trackplot sail lines, and target positions are all shown in 3D and presented in an intuitive manner. The user has the ability to move freely around in the scene and change ‘camera' orientation to get the right perspective for a critical activity or phase of an operation.
Furthermore, the software allows the ‘camera' to follow moving objects and supports a number of predefined fixed and dynamic ‘camera' locations.
Survey activities such as USBL calibrations and AUV mission monitoring, where sea bed topography is an important consideration, benefit greatly from the DTM views.
Additionally, construction activities will benefit from the views generated by the Fugro Engineers CSM catenary library now implemented in Starfix Anchors.
This catenary library supports multiple catenary touchdowns as well as floatation buoys. It can interact with a DTM and display points of contact. The operator can easily distinguish between suspended and grounded segments through visual indications in form of colour shading and anchor curtain profiles. Anchor curtains are also used to indicate the catenary's direction and position in relation to existing pipelines and structures.
3D charts have also been found useful in ROV guidance in proximity to pipelines and jackets or in congested areas. The depth perspective assists the ROV operator in clearly seeing where the vehicle sits with respect to the subsea features.