Re: Generating an image from a MapBean without a GUI

paul,

upon reading donald's response, i probably misunderstood what you were
trying to do.

jeff

At 08:31 AM 9/6/2001 -0600, Donald Dietrick wrote:

>Hi Paul,
>
>You'll want to check out the com.bbn.openmap.image.SimpleHttpImageServer,
>which makes use of the com.bbn.openmap.image.MapRequestHandler that can
>create an image of a map without a JFrame.
>
>FYI, there is the com.bbn.openmap.plugin.shis.SHISPlugIn (SHIS =
>SimpleHttpImageServer, get it? :) ) that can talk to the
>SimpleHttpImageServer to retrieve images.
>
>Regards,
>
>Don
>
>On Wednesday, September 5, 2001, at 10:46 AM, Paul Chisholm wrote:
>
>Hi,
>
>
>
>I am building a web server to deliver information, some of which is
>generated by OpenMap. The user profile is such that it is not feasible to
>run an OpenMap applet on the client browser, so I am using OpenMap to
>generate an image that is then sent to the client.
>
>
>
>I store the image in a file with the code
>
>
>
> SunJPEGFormatter formatter = new SunJPEGFormatter();
>
> formatter.setImageQuality(0.8f);
>
> byte[] bytes = formatter.getImageFromMapBean(map);
>
> FileOutputStream binFile = new FileOutputStream(<filename>);
>
> binFile.write(bytes);
>
> binFile.close();
>
>
>
>In this context I am not interested in displaying the map bean in a Swing
>JFrame as is usually done, I just want to generate a JPEG from the map
>bean. However, unless I actually display the map bean in a JFrame I get a
>black image. What I currently do on the server is:
>
>
>
> create map
>
> display map in frame
>
> generate image file
>
> dispose of frame
>
>
>
>Note that its not enough just to create the JFrame, I have to call
>'frame.setVisible(true)'.
>
>
>
>Is there any way to convert a map bean to an image without creating the
>JFrame?
>
>
>
>Thanks,
>
>Paul
>
>=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
>
>Donald F. Dietrick, dietrick@bbn.com
>
>BBN Technologies, 10 Moulton Street, Cambridge, MA 02138
>
>617.873.3031 FAX 2794
>
>=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

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