[mapguide-users] Maestro - RenderRuntimeMap questions

[Kenneth Skovhede, GEOGRAF A/S]

Try using the MaestroAPI from the latest preview or compile from source.
I can't remember when the format parameter was introduced,
but the signature for the method should be:

RenderRuntimeMap(string resourceId, double x, double y, double scale, 
int width, int height, int dpi);
RenderRuntimeMap(string resourceId, double x1, double y1, double x2, 
double y2, int width, int height, int dpi);
RenderRuntimeMap(string resourceId, double x, double y, double scale, 
int width, int height, int dpi, string format);
RenderRuntimeMap(string resourceId, double x1, double y1, double x2, 
double y2, int width, int height, int dpi, string format);

Regards, Kenneth Skovhede, GEOGRAF A/S



djonio skrev:
>
> Kenneth,
>
>  
>
> I am using the MaestroAPI.
>
> public Stream 
> <http://msdn2.microsoft.com/en-us/library/System.IO.Stream> RenderRuntimeMap(
>    string 
> <http://msdn2.microsoft.com/en-us/library/System.String> resourceId,
>    double <http://msdn2.microsoft.com/en-us/library/System.Double> x,
>    double <http://msdn2.microsoft.com/en-us/library/System.Double> y,
>    double <http://msdn2.microsoft.com/en-us/library/System.Double> scale,
>    int <http://msdn2.microsoft.com/en-us/library/System.Int32> width,
>    int <http://msdn2.microsoft.com/en-us/library/System.Int32> height,
>    int <http://msdn2.microsoft.com/en-us/library/System.Int32> dpi
> )
>
> I don't seem to have a "format" parameter. The above, from the docs, 
> conforms to the intellisense that I see at design time.
>
> r,
>
> dennis
>
> ------------------------------------------------------------------------
>
> *From:* Kenneth Skovhede, GEOGRAF A/S (via Nabble) 
> [mailto:ml-user+64672-2059353669 at ... 
> <http://n2.nabble.com/user/SendEmail.jtp?type=node&node=3042176&i=0>]
> *Sent:* Monday, June 08, 2009 2:58 AM
> *To:* Jonio, Dennis (Aviation)
> *Subject:* Re: [mapguide-users] Maestro -- RenderRuntimeMap questions
>
>  
>
> 1)
> Not sure what the max values are, you will have to look
> through the MapGuide source to find the limits
> (fairly large in my experience).
>
> 2)
> If you use MaestroAPI, just set the "format" parameter to "JPG",
> there is a similar parameter in the http interface and native API.
>
> 3)
> DPI = Dots Pr Inch
> So DPI defines how many pixels that your output device can display pr. 
> inch,
> and is used to calculate the display extent of geometry on your screen
> or printer.
>
> Scale is the display scale, eg. 1:500 or 1:1000.
>
> Say you have an object that is 1000 inches wide, and display it
> in 1:500, it would be two inches on screen.
>
> If you set DPI = 96, you get 96 pixels pr. inch, resulting
> in the object being 192 pixels wide in the image.
>
> Regards, Kenneth Skovhede, GEOGRAF A/S
>
>
>
> djonio skrev:
>
>
> > Just some basic questions:
> >
> > What is the max value for width and height?
> > Is there a way to change the output from a png to jpg?
> > I am unable to discern the relationship between dpi and scale -  would
> > someone be willing to explain the relationship between them?
> > r,
> > dennis
> >
> >  
>
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