CATT-Acoustic v9.0

CATT 3D-viewer based on OpenGL 

 

The CATT 3D-viewer is a small stand- alone application that can  be used for enhanced 3D-viewing of CATT-Acoustic models as well as customer presentations.

• color surface coding (actual color, absorption coefficient, scattering coefficient, specularity, diffusitivity for each octave)
• variable lighting
• WAV-file playing in walkthroughs
• animated viewpoint transitions
• animated walkthroughs
• viewpoint lists that can be saved and loaded for presentations
• source viewpoints allowing for interactive aim and positioning while viewing through -3, -6 and/or -9 dB contours.
• interactive plane sub-division selection and data readout (plane name, absorption and scattering coeffiicients, area)
• interactive plane list selection for pasting into CATT-Acoustic plane selection (Free from edit dialogs, e.g. for selection of Audience planes).
  
• on/off selection of all elements: surfaces, edges, source-items (id, coord system, aim, box), receiver-items (id, coord-system head direction, sphere), lamps, coordinate system, palette, viewpoints
• elements can be individually colored
• the viewer requires OpenGL 1.1 to be installed on your system (preinstalled on all Windows versions except 95 OSR1 but can then be downloaded for free from http://www.opengl.org). An advantage with OpenGL 3D graphics is that it will automatically make use of hardware 3D support if the card installed supports OpenGL. Note that many cheap 3D cards for games may only support Direct3D and not an Installable Client Driver (ICD) for OpenGL. However, also without hardware acceleration the generic OpenGL 1.1 renderer is very fast and for normal use of the CATT 3D-Viewer no acceleration is necessary.