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Creating Web Pages5-25GetStillImage ParametersParameter Descriptionz or zoomSpecifies camera zoom. “z” is ten times the zoom ratio of the widest angle, and“zoom” is the view angle in 0.01° units (horizontal direction). If this parameter isomitted, camera zoom is not controlled.b or back_lightSpecifies camera backlight compensation. When this parameter is set to on, thepicture captured will be bright and when this parameter is set to off, the picturecaptured will be dark. If this parameter is omitted, camera backlight compensationis not controlled.delay Waiting time until camera focus is stabilized (in milliseconds).Specified in the range 0 to 10000.optionSpecifies how errors are dealt with. When “skip_on_error” is specified, the processwill be continued. When “quit_on_error” is specified, the process will be aborted.The following errors can occur: failure to acquire camera control right, loss ofcamera control, camera selection errors and camera control errors. To omit, thedefault value is “quit_on_error”.seq Allows any number (sequence number) to be specified to avoid displaying oldstill pictures (numeric value).v or image_sizeS pecifies picture display size. This can be set to 160 × 120, 320 × 240, and 640× 480 for NTSC, and 192 × 144, 384 × 288, and 768 × 576 for PAL. The formatsfor specifying “v” and “image_size” are different: “v” specifies the horizontaldimension only and uses the format “v=640”, for instance, while “image_size”specifies both horizontal and vertical dimensions and uses the format“image_size=320 × 240”, for instance.Distributing Videos Using a Browser OnlyNoteIf old still pictures are displayed, you can prevent this recurring by specifying asequence number in the seq parameter. * The underlined portion is a sample IP address. Enter the actual IP address set for the VB-C50Fi(→ P.3-6).Displaying Live Video from a Specified Zoom Magnification as Still PicturesBy specifying the camera zoom magnification as a parameter in the HTML code beforehand, youcan display the picture from a specified camera zoom magnification. The example below displaysa still picture shot with the camera zoom at 10x.
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