Re: Problem Using the getIntersectionList method

Fri, 29 Oct 2004 08:38:45 -0700 

Hi !

I just tried this but it doesn't have any effect. I am running batik (src from 9th October) inside an applet using client side crimson parser - but i really think this shouldn't make a difference...

Do I need to specify x,y and width,height from the rectangle in viewboxcoordinates rather than screencoordinates maybe?

Thanks for your help
Jorg

TJ Teegan wrote: 
Hi there,

Try something like this:

SVGRect rect = SVGDoc.getRootElement().createSVGRect();
//
//set the values for the rect element: width, height, etc.
//
SVGElement svge = SVGDoc.getRootElement().getViewportElement();
NodeList nodes = SVGDoc.getRootElement().getIntersectionList(rect, svge);

I don't think you can use the root element as a paramater. I use the viewport instead and have not had any problems.

Good Luck,
TJ Teegan



From: Jorg Heymans <[EMAIL PROTECTED]>
Reply-To: "Batik Users" <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Subject: Re: Problem Using the getIntersectionList method
Date: Fri, 29 Oct 2004 16:41:20 +0200

Hi,

Is there a catch on how to use this function? I have statically defined a rectangle that should cover about 90% of my canvas, then call
doc.getRootElement().getEnclosureList(rectangle, doc.getRootElement()) where doc is the SVGDocument.

My document is nothing but <svg> with a few <g> elements where each <g> has a few <path> elements in it.

Thoughts?
Jorg

Thomas DeWeese wrote:

Hi,
   I just delivered it.

   You can pick it up tomorrow from the nightly build or
you can get it from CVS immediately.

TJ Teegan wrote:

Thanks a ton.

I am assuming I should keep checking the nightly builds listed in the CVS Repository for the next release. Is that true?

Thanks again,
TJ Teegan


From: Andreas Neumann <[EMAIL PROTECTED]>
Reply-To: "Batik Users" <[EMAIL PROTECTED]>
To: Batik Users <[EMAIL PROTECTED]>
Subject: Re: Problem Using the getIntersectionList method
Date: Fri, 08 Oct 2004 10:31:43 +0200

good to hear.

looking forward to using getIntersectionList() - I think it will be a very useful feature for webmapping applications.

Andreas

Thomas DeWeese wrote:

Hi TJ,

TJ Teegan wrote:

I am trying to find all the elements in a given area. I am assuming I should be using the getIntersectionList method, however I must be using it incorrectly because I always get a java.lang.Error when I call it. 





    That's because it isn't implemented yet (except in my local copy
of Batik ;).  I've been working on this for the past couple days.
Expect a delivery shortly (I'm wrapping up a few details with
text and use elements).

Here is an example of the code I am using:

public NodeList myMethod(){
    SVGRect rect;
    SVGElement ele;
    NodeList nodes;

rect = SVGDocument.getRootElement().createSVGRect();
rect.setX(0);
rect.setY(0);
rect.setWidth(100);
rect.setHeight(100);
ele = SVGDocument.getRootElement();
nodes = SVGDocument.getRootElement().getIntersectionList(rect, ele);
return nodes;
}

I apologize if this has been covered else where. I searched the mail list archive but was unsuccessful in finding an answer. Any help is appreciated.

Thank you,
TJ Teegan




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