I am working a project in which we are converting DWGs to SVG using 
AfterCAD's CAD2SVG software (which works very well). We post-process 
the converted SVGs to provide a certain level of interactivity (i.e. 
highlight signals on schematics, etc.). We determined that it would be 
nice to add a tool tip-like feature that shows a signal name once it 
is moused-over. The problem we have is that the drafting department 
has their entire process built around the source DWG being VERY tiny 
(for original printing purposes). The exported SVGs have viewBoxes 
varying in size around the following: "-0.0823876 -8.35454 14.2619 
8.07805", but each is slightly different. Given the small size, it is 
impossible to offset a tool tip to work on each SVG since a one pixel 
offset makes the tool tip appear outside the viewbox, and you must 
zoom way out to see the tooltips at all. If I make it appear correctly 
for one SVG, the next one's small change in size will give varying 
results with the placement of the tool tip. We must some how increase 
the overall scale of the drawings so that a 3x3 offset will work well 
for all SVGs. (Too bad we can't have the source DWGs increase their 
scale, but this has been deemed undoable).

How can we account for this? 

Thanks



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