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27.2. This panel includes the following settings:
/ button before the name of the panel allows you to hide or show the panel.
'Size (pixels)' – is used to set the size of the final image in pixels.
'Width, Height' – is used to edit the size of the image in 'Custom size' mode.
'On screen' – if this option is active, during rendering the process of creating the image will be displayed on the screen.
'In File' – The final image will be saved in a file with a name given by the user in the next field. A directory for saving images could be specified in a window opened by clicking on button. Image format - '.bmp'. button shows you the file created by the render in a separate window. The button is available if this file exists in a specified directory.
‘Gamma correction’ – is used to set color gamma for a display and (or) for the output file-image. This is a correction of brightness depending on the output device characteristics. The increase in gamma-correction improves contrast, intelligibility of dark image areas, without making light details to contrast or to bright. For the hardware platform IBM PC and Microsoft Windows in most cases the acceptable value is 1.0. Possible values - from 0.5 (the darkest) to 2.5 (the lightest).
‘Anti-aliasing’ – is used to set the degree of smoothing the image (anti-aliasing). It removes "steps" on the edges of the objects. 0 value - disables this function. You can use this function for fast rendering when setting in project the properties of materials, light, etc. Please note that anti-aliasing significantly affects rendering time. Possible values - from 0 to 20. In most cases 8-12 value is acceptable.
'Zoom(%)' - is used to zoom images in or out within a small range (from -60% to +60% of the original size). Render displays objects in the same way as they look in the program. This function makes the camera to zoom in or out, changing a viewing angle. The function may be useful if the size of the room (the camera is usually situated in the room) does not allow you to move the camera ‘far away’ – if you do it, the camera will be outside the room. By setting negative zoom you will allow the camera to capture more image details. However, large negative values can lead to distortion of the image.
'Radiosity – Calculation of the reflected light' – this option uses light, repeatedly reflected from objects and surfaces, to calculate illumination. This mode increases rendering time, but on the other hand, it makes the image look more realistic, shades cease to be monophonic and plane, corners become shaded. ‘Adjustment’ button is not available in the current version, therefore average settings are used instead. In the next version it will be possible to adjust radiosity parameters manually.
‘Hide ceiling’ – don’t show ceiling in a project during rendering. This mode could be useful when the camera is outside the room (above the ceiling). Hidden walls are also not displayed during rendering. You should remember that if you turn on daylight (or sunlight), in most cases the image will be too bright (you can reduce daylight brightness using light/sun settings).
Please note that if you have unexpectedly received dark or light image, it means that the camera got in a wall (you should check position of the camera using ‘Light/Sun’ Panel), or the camera is outside the room (for example, above the ceiling).