The invention relates to an open roof construction for a vehicle having a roof opening in its fixed roof, comprising stationary guide rails on either side of the roof opening. The fixing device can be attached to or detached from the main body of an image forming apparatus, and a guide member is provided in the image forming apparatus for guiding the fixing device when it is attached to or detached from the main body of the image forming apparatus. multocida neuraminidase and antigenic peptides derived in sequence therefrom and antibodies specific for P. The pores may be water permeable but not oil permeable. The data display method includes setting a scroll rate to a touch movement distance; detecting a touch gesture in a first region of the touchscreen; scrolling icons in the first region at the scroll rate in response to the touch gesture; and displaying detailed information associated with at least one icon newly displayed according to the scroll in a second region of the touchscreen. The system provides an editing tool for creating or modifying textures in a procedural format, an optimization device, provided with a linearization module, a parameter-effect tracking module and a graph data module, for storing graph data in an optimized procedural format, and a rendering engine, adapted to generate raster textures.