dot on maps

I'm confused (as usual). 
If the node locations are pre-defined (based on map
coordinated), what 
do you need dot for?
Why not place the node images & edges yourself?

steve

> Date: Sun, 08 Jun 2008 08:23:43 -0600
> From: "bergenpeakcomcast.net"
<bergenpeakcomcast.net>
> Subject: [graphviz-interest] dot on maps
> To: "graphviz-interestresearch.att.com"
> 	<graphviz-interestresearch.att.com>
> Message-ID: <484BEB6F.1080309comcast.net>
> Content-Type: text/plain; charset=ISO-8859-1;
format=flowed
>
>
> Is there a way to combine/tie graphviz output and an
underlying map 
> together?  
>
> I have a map in svg format and I would like to define
graphviz nodes to 
> exist at pre-defined fixed coordinates on this map. 
I'd like to use 
> graphviz to render the nodes at the fixed coordinates. 
graphviz would 
> also draw edges between the nodes.  Everything would be
in svg output 
> format so browsing/zooming would work but the nodes
would scale and yet 
> remain at the predefined fixed locations on the map.
>
> Is this possible?   Examples of how to do this?
>
> Thanks
>
>   
>   
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Because dot/graphviz does all the hard/heavy lifting for me
(think of 
all the line attributes that can be set, all the smart line
drawing dot 
does, node details and shapes, html encoding, etc.). 
Basically I just 
want to use dot as usual, but leverage predefined starting
points for 
all the nodes. 

The other non-obvious (to me) step is to define the node
coordinates in 
dot in such a way that they overlay with the underlying map
svg.

There's a graphviz "pos" attribute that I've not
yet attempted to use, 
but seems like it gives one the ability to nail the location
of the nodes. 

Thanks


steve roush wrote:
> I'm confused (as usual). If the node locations are
pre-defined (based 
> on map coordinated), what do you need dot for?
> Why not place the node images & edges yourself?
>
> steve
>
>> Date: Sun, 08 Jun 2008 08:23:43 -0600
>> From: "bergenpeakcomcast.net"
<bergenpeakcomcast.net>
>> Subject: [graphviz-interest] dot on maps
>> To: "graphviz-interestresearch.att.com"
>>     <graphviz-interestresearch.att.com>
>> Message-ID: <484BEB6F.1080309comcast.net>
>> Content-Type: text/plain; charset=ISO-8859-1;
format=flowed
>>
>>
>> Is there a way to combine/tie graphviz output and
an underlying map 
>> together? 
>> I have a map in svg format and I would like to
define graphviz nodes 
>> to exist at pre-defined fixed coordinates on this
map.  I'd like to 
>> use graphviz to render the nodes at the fixed
coordinates.  graphviz 
>> would also draw edges between the nodes. 
Everything would be in svg 
>> output format so browsing/zooming would work but
the nodes would 
>> scale and yet remain at the predefined fixed
locations on the map.
>>
>> Is this possible?   Examples of how to do this?
>>
>> Thanks
>>
>>     
> _______________________________________________
> graphviz-interestresearch.att.com
> https://mailman.research.att.com/mailman/list
info/graphviz-interest
>

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