Synchronize viewport scale with annotation scale

Apr 26, 2012

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When on a paper layout, if a viewport is selected or is active then the AutoCAD status bar contains a button that enables the user to synchronize the viewport’s scale with the annotation scale.

You can achieve the same using the below code:

ads_name name; 
ads_point pt; 
acedEntSel(L"Pick viewport", name, pt); 
 
AcDbObjectId id; 
acdbGetObjectId(id, name); 
 
AcDbObjectPointer<AcDbViewport> ptrVP(id, AcDb::kForWrite); 
   
AcDbAnnotationScale * pAnnoScale = ptrVP->annotationScale();  
double scale; 
pAnnoScale->getScale(scale); 
delete pAnnoScale; 
ptrVP->setCustomScale(scale);  

Comments

2 responses to “Synchronize viewport scale with annotation scale”

Rafael

November 26, 2015

I have nerver used LISP, can you use this code in a normal script (notepad) and does it work in the student version of autocad?

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Balaji

November 26, 2015

Hi Rafael,
Sorry, i do not know if AutoCAD Student version can run Lisp code.
If you do have it installed, can you please give it a try ?
Here is the Lisp code that helps synchronize the viewport scale and the annoscale :
(vl-load-com)
(defun c:sync()
(command-s “.pSPACE”)
(print “Select a viewport”)
(setq vpsel (ssget “:E:S” ‘((0 . “VIEWPORT”))))
(setq vplist (ssname vpsel 0))
(setq vport (vlax-ename->vla-object vplist))
(command-s “.mspace”)
(setq scale (getvar ‘cannoscalevalue))
(command-s “.pSPACE”)
(vla-put-CustomScale vport scale)
(vla-regen (vla-get-ActiveDocument (vlax-get-acad-object)) acAllViewports)
(setq vpsel nil)
)
Since you haven’t used Lisp before, here are the steps to try it :
-Copy the above Lisp code to notepad and save it as a file with .lsp extension
-Run AppLoad command and choose the lsp file that you saved previously
-Start AutoCAD and switch to paperspace
-Type “(c:sync)” in AutoCAD’s command prompt and hit enter
-Choose the paperspace viewport that you want to synch.
Regards,
Balaji

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