Canon network camera VBC50Fi User Manual

Creating Web  Pages
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Using the Viewer for Java to Distribute Videos
Example of Using the Viewer for Java to Create a Web Page
This section describes an example in which the Viewer for Java is used t\
o create a Web page.
Use this example to create your own original Web page.
Tip
Writing IP Addresses
Using the Web server functions built into the VB-C50FSi/VB-C50Fi, IP add\
resses
can be expressed as  (all upper-case characters, includi\
ng the
angle brackets) or as  (html-compatible only, all\
 in...

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1sample.htm


SampleSite LiveApplet






2header.htm


LiveApplet comment


LiveApplet


3lvappl.htm


LiveApplet









Using the Viewer for Java to Distribute Videos
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Creating Web  Pages
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Click the button to
display the page in
which LiveApplet is
embedded.
Using Glimpse and LiveApplet Together
This section describes how to create a Web page that allows clients to u\
se Glimpse to download
quickly and view live video at a low frame rate, and then use LiveApplet\
 to view video at a high
frame rate and control the camera when they find videos they are particu\
larly interested in.1Glimpse embedded in the
page
2 Pop-up LiveApplet window
Using the Viewer for Java to...

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1glimps.htm





Glimpse

















2 popup.htm


LiveApplet











Using the Viewer for Java to Distribute Videos
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Creating Web  Pages
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Providing “LiveApplet” with Camera Control Restricted to Presets
This section describes how to create a Web page that only displays prese\
t operations and does
not show the camera control GUI.
Modifying the Startup and Disconnection Screens
You can modify the image files (JPEG or GIF images) shown in the start\
up and disconnection
screens.
Nothing Specified
Startup screen Disconnection screen

 ................................................1
1 specifies the camera control...

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Certain Images Specified
Startup screen Disconnection screen
If no particular image is specified, the “connecting to hostname” \
(when the hostname parameter is
specified) or “now connecting” animation is displayed at startup \
and the “disconnected hostname”
(when the hostname parameter is specified) or “disconnected” is \
displayed at disconnection.
You can modify the screens to show any image by providing images for the\
 startup and
disconnection screens and setting the parameters. The image...

Creating Web  Pages
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Displaying the Host Name, Frame Count and Other Information on the Video\
 Screen
1
 2

 3

 4
1 specifies whether the frame rate is displayed on the screen.
“on”: Displayed.
“off”: Not displayed.
2 specifies whether the frame count is displayed on the screen.
“on”: Displayed.
“off”: Not displayed.
3 specifies the host name (any text string) to be displayed on the scree\
n and whether the host
name is displayed.
“on”: Displayed.
“off”: Not displayed.
4 specifies a comment to be...

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Displaying Bitmap Images on the Video Screen

* The underlined portion “x,y” specifies the display position. Whe\
n x,y = 0,0, the image is displayed in the topleft corner. If “x,y” is omitted, the image is displayed in the ce\
nter of the frame.
Sample transparent GIF
Specifying the Background Color


\






Pasting a Picture to the Background
 ........................................ 1
 ................................................................... 2
1 specify the displayed picture file.
2...

Creating Web  Pages
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Viewer for Java Parameters
You can specify applet parameters to provide an applet tailored to modif\
y the behavior or
appearance of applets. Refer to the table below to ensure that you thoro\
ughly understand the
parameters.
LiveApplet
Using the Viewer for Java to Distribute Videos
Specifies whether or not connection to the camera server should be 
established at the same time that the applet starts up. Select “on”\
 or “off”. 
When “on” is selected, connection is established...

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Using the Viewer for Java to Distribute Videos
When a startup screen is specified in the “open_image” parameter, \
this parameter 
specifies the display time. The time is specified in milliseconds (1/10\
00 sec.), and the 
default value is 0. The image is displayed until the first video frame a\
ppears. Values 
from 0 to 30000 (30 seconds) can be specified.
Ye sopen_image_time
Specifies the color of the character string specified for “comment”\
 and “hostname”. 
The color is specified at “#RRGGBB”....