[mapguide-users] RenderingService and DPI (How to change DPI before rendering)

[Scott Hameister]

That is true.But that is using an FCGI call and not the Rendering Service
API.The API has no mention of DPI.I would think the API would have all the
same capabilities that an FCGI call has?

 

I started using the FCGI calls.but it became annoying because changing the
FCGI DPI.caused the Current maps DPI to change.

If I created a new Session to call the FCGI on, then my selection XML from
the original Sessions map didn't work in the New Session, because the Layer
ID changed.etc.

 

From: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Kenneth,
GEOGRAF A/S
Sent: Monday, November 12, 2007 1:21 PM
To: MapGuide Users Mail List
Subject: Re: [mapguide-users] RenderingService and DPI (How to change DPI
before rendering)

 

I have no used the ColdFusion stuff that you are using, but the call to
GetMapImage does have a DPI parameter, that you can use.
I have no trouble getting the images as I want, although the PDF format
usually reduces quality a bit.

Try looking at the code in the viewer for "Printable Page", as it shows how
to use the calls.




Regards, Kenneth, GEOGRAF A/S



Scott Hameister skrev: 

I can send anyone interested sample PDFs of the same map stream at different
screen resolutions

 

From: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Scott Hameister
Sent: Monday, November 12, 2007 12:00 PM
To: 'MapGuide Users Mail List'
Subject: [mapguide-users] RenderingService and DPI (How to change DPI before
rendering)

 

How do I change the DPI that The  Rendering Service Uses when Creating a
map.

The Streamed Image from the rendering service is being poured into a PDF
file.the problem is that the quality of the PDF varies based on the
Resolution my Screen is at when I render the Stream, instead of being
consistent in the PDF. If I'm at 1024 x 768 the PDF map is grainier than if
I'm at 1920x1200 resolution when  I stream the image How can I address this
to make the PDF quality the same for all users?

 

<cfset newMap =
renderingSrvc.rendermap(map,mgselection,realCenter,Javacast("DOUBLE",SesMapS
cale),Javacast

("INT",SesScrnW),Javacast("INT",SesScrnH),mapcolor,"PNG")>

 

Above Is my Coldfusion call.

 

 



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