A number of CAD programs are used to prepare plans and charts. Plans may be plotted on both paper and plastic medium and are scanned, filed and registered for storage. Approximately 200 plans are produced for registration each year, with project data archived as a permanent record for retrieval.
| • | Data may be acquired in any grid/datum system. HydroSurvey Australia uses software that supports a wide range of grid transformations, including those to and from GDA 94.
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| • | Data can be supplied in any ASCII format required by the client, including MOSS, DWG and DXF.
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Plans and charts may be prepared at any required scale or orientation and can be annotated with contours and shore detail.
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| • | Cross section plots with multiple layers can be produced as well as surface difference models and plots. These models are used to calculate changes in volumes between successive surveys. HydroSurvey Australia has extensive experience in performing these calculations, which are used in the normal course of operations to monitor dredging and sediment movements.
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| • | All digital data, both raw and reduced, are filed and archived as a permanent record for retrieval and future reference. A quality assurance procedure ensures the safety and integrity of all data. |
