Sorry, My free host is really bad, and the image sometimes will not download. I've uploaded those images to my googlepages:
http://pedrosimonetti.googlepages.com/viewport.JPG http://pedrosimonetti.googlepages.com/print.jpg regards, Pedro Simonetti. 2008/4/29 Pedro Simonetti Garcia <[EMAIL PROTECTED]>: > Hi all, > > I need a little help here. I'm developing a printing system, but I'm > getting some > problem with the extents. > > I'm trying to print the map viewport, so I'm using the map.getExtent() and > map.getCurrentSize() values and passing it to the server, which calls the > mapserver and generates the image with the specified extent and size. > > The problem is that the printed area is not exactly the same as showed at > the viewport. The output area is around 20% larger. > > What I'm doing wrong? How can I precisely calculate the viewport extents? > > The client code is something like this: > > var currentSize = map.getCurrentSize(); > var viewportWidth = currentSize.w; > var viewportHeight = currentSize.h; > var extent = map.getExtent(); > var sPrintExtent = extent.toBBOX(); > > var url = 'print.php?' + > 'size=custom' + > '&width=' + viewportWidth + > '&height=' + viewportHeight + > '&extent=' + sPrintExtent; > > window.open(url); > > > To better understand what I'm talking about, take a look at this > screenshot of my viewport: > http://jproton.com.br/sandbox/viewport.JPG > > And in the output image: > http://jproton.com.br/sandbox/print.jpg > > > my best regards, > > Pedro Simonetti. > _______________________________________________ Users mailing list [email protected] http://openlayers.org/mailman/listinfo/users
