[Chameleon] Is there a line widget out there?

Delfos, Jacob jacob.delfos at maunsell.com
Sun Sep 18 23:15:40 EDT 2005


Bart,

Thanks for that pointer. I'll see if something similar can work in
Chameleon.

Regards,

Jacob
 

> -----Original Message-----
> From: Bart van den Eijnden [mailto:bartvde at xs4all.nl] 
> Sent: 16 September 2005 18:31
> To: Delfos, Jacob
> Cc: chameleon at lists.maptools.org
> Subject: Re: [Chameleon] Is there a line widget out there?
> 
> Jacob,
> 
> If I recall correctly, Steve Lime's landview DHTML application has a 
> ruler tool based on Walter Zorn's library, that could be useful for 
> digitizing.
> 
> Best regards,
> Bart
> 
> Delfos, Jacob wrote:
> 
> > Hi List,
> >
> > I'm working on a widget that saves ROI objects to a layer 
> in the map, 
> > also allowing them to be downloaded as shapefiles. I now want to 
> > expand it by adding support for line objects, because it seems our 
> > users tend to draw lines more often than regions. Hopefully 
> this will 
> > cut down the time spent digitising by our GIS people :)
> >
> > I was trying to modify the ROIPolygonTool, but it proves quite 
> > complex, and I'd have to modify the other ROI widgets to 
> integrate it. 
> > I don't actually need all the ROI support; I'm only interested in a 
> > tool that lets a user draw lines, and that provides 
> javascript access 
> > to the node coordinates (I do not make use of the ROI 
> session info). 
> > Before I attempt to build this from scratch, I thought I'd check if 
> > anyone has done this already, and might be willing to share 
> the code.
> >
> > Regards,
> >
> > Jacob
> >
> >
> >
> > *JACOB DELFOS
> > SPATIAL INFORMATION ANALYST
> > *Maunsell Australia Pty Ltd
> > 629 Newcastle Street, Leederville, WA 6007
> > PO Box 81, Leederville, WA 6902
> > Western Australia
> > ABN 20 093 846 925
> >
> > Tel     + 61 8 9281 6185
> > Fax    + 61 8 9281 6297
> > _jacob.delfos at maunsell.com_
> >
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