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Did you also post in the general forum? Jet is still a regular contributor there… although he doesn't post here in scripting a great deal these days… I will have a look if I have this I keep quite a few of Jet's scripts for reference… 
Hi Muppet Mark,
Speaking of mental picture, mine is quite cloudy on the topic at this point. Thanks for your reply, I really appreciate it.
I am actually trying to target/replace both regular art items as well as items where symbols have already been applied already, and was hoping to do so over and over as needed or desired. As for the rotations and transformations I listed in my previous post as "working & not working", those things listed are things in which I am doing before hand then trying to retain those rotations, etc., and replace with a new symbol. As noted it works for some and not for others. Thats why I was wondering if perhaps the "tag" assignment for rotation is not applied when using javascript to rotate via obj.rotate(num) through code, the same goes for Effect - Distort & Transform - Transform - Rotate, I cant seem to taget items where these two things have already been done to an item, I cant seem to target the "tag" to zero the rotation before applying the width, height, location, rotation back to the new item which is replacing the old in those two instances. What I want is the ability to replace a regular piece of art or symbol regardless of its previous transformations, scale, rotation, have the code read these values and apply it to the new items.
Clear as mud now right? 😉
I am still seeking help on successfully adding rotation. The following is one of my attempted iterations:
for (i = 0; i < selected.length; i++) {
var currObj = selected;
//
if (currObj.tags.length > 0) {
currObj.isRotated = true;
var currRotation = currObj.tags[0];
currObj.rotate((currRotation.value / (2 * Math.PI) * 360) * -1);
}
//
var currLeft = currObj.left;
var currTop = currObj.top;
var currWidth = currObj.width;
var currHeight = currObj.height;
var currInstance = doc.symbolItems.add(doc.symbols[symbolNum - 1]);
currInstance.width *= currWidth / currInstance.height;
currInstance.height = currHeight;
currInstance.left = currLeft;
currInstance.top = currTop;
//
if (currObj.isRotated == true) {
currInstance.rotate(currRotation.value * 180 / Math.PI);
}
//
currInstance.selected = true;
currObj.remove();
}
It yeilds the following as described in my previous posts above:
The reason for the "if" condition in the script is due to my previous asked question (post 10 above) as follows:
W_J_T wrote:
* Does the rotation tag get assigned to anything that has been rotated via the IDE as well also already rotated via obj.rotate(num) through code? To me it seems that items rotated with rotate() previously via javascript don't contain this tag, nor do Effect - Transform items, I cant target it to zero the rotation or rotate them to the previous rotation value?
Without the if condition it throws an error "Error: No Such Element", thats why I added it assuming the tag is not applied as mentioned in the quote.
I am really struggling to understand this approach using tags and find little information, documentation on tags in general or the BBAccumRotation which I assume is what the tag is referring to.
I would really appreciate some guidance and support from more seasoned Illustrator scripters on this matter, I appreciate everyones time and welcome the feedback, advice, solutions. I am not sure what more I can provide in way of descriptions from what I have already outlined throughout this thread, I hope its clear enough for someone to assist me.
Thanks everyone for your time and assistance.
Nobody is black listed… Only those that post a 1000 questions and don't mark 1 as either helpful or answered… Nobody has answered your request IMO…
With one tweak Muppet's post of JET's script was exactly what I needed. Made my weekend!
A couple seconds and Voila! Thanks to all who contribute to this forum!!
Yep. Goal is to standardize the bars while maintaining the proportions. Found I could use a Dynamic Symbol with a "Rounded Corner" Effect applied to the original artwork. When the instance is scaled the corners remain consistently rounded regardless of the proportions.
This is, of course for esthetic purposes, not scientific or forensic. 
I did run into an issue though: The script does not loop through ALL the selected items in one pass (especially if there are quite a few). Running it multiple times finally converts all. I tweaked it to not require a selection and not redraw each time. Made it faster but still stops too soon. What is wrong?
var docRef=app.activeDocument;
var symbolNum= 1;
for(i=0;i<docRef.pathItems.length;i++){
var currObj=docRef.pathItems;
var currLeft=currObj.left;
var currTop=currObj.top;
var currWidth=currObj.width;
var currHeight=currObj.height;
var currInstance=docRef.symbolItems.add(docRef.symbols[symbolNum-1]);
currInstance.width=22; //make width the same for all instances
currInstance.height=currHeight;
currInstance.left=currLeft;
currInstance.top=currTop;
// currInstance.selected=true;
currObj.remove();
// redraw();
}
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