Computer Graphics and Multimedia

The computer graphics (visualisation) is first of all used as a complement to a common project documentation, to facilitate an image of the appearance of a designed work, of its impact to the landscape shape, variant solutions etc. Particularly valuable they are for a presentation of a work to wide public, for which orientation in a common project documentation is difficult.

Road structures are characteristic for their spatial extent and thereto related level of details, technology, and time demands of processing of their visual presentation. As required by customer, visualisation may be processed in three basic layouts: static, dynamic, interactive. These individual attitudes differ one from another significantly by their time demands in respect of production, needed background documents, input costs and, particularly, by their predictive value.

Static visualisation

• Orthophotograph chart
• Completely modelled perspective – objects of the planned project, existing terrain, built-up areas, vegetation, etc.
• Drawing of 3D objects into a photograph

Dynamic visualisations

• Completely modelled scene – animation, most often fly over the structures, animated objects (traffic)
• Drawing into a sideways video – only such objects are modelled of the planned structure and these are situated into a video (usually a bird's-eye view) of the existing status

Interactive visualisation

• 2D – for example a web presentation with an interactive map
• 3D – completely modelled scene facilitating a free movement of a viewer in real time in a restricted space

For all these works the Computer Graphics and Multimedia Department is duly equipped with hardware and software. The basic workstation consists of machines fitted with two Intel Xeon (8-core) processors, 8 GB RAM, and by a highly powerful graphic card, Nvidia Quatro FX. Furthermore, available are several stations of similar parameters (without the graphics) in the so-called rendering farm, these machines being entirely used for computing of individual images. For printing of large-format graphics, particularly of the orpthophotograph charts, the department is equipped with a six-colour plotter with the 1,500 mm maximum paper width. To a smaller extent models of the visualised objects are processed in AutoCad, but most often in the 3DS Max application. For post-production and for other graphic works packages by Adobe are utilised (After Effects, Photoshop, Illustrator and others). Irrespective of the headlong development, all equipment of this department (both hardware and software) is highly up-to-date and is regularly upgraded.

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