AutoCAD Visual LISP / AutoLISP :: Collect Empty Blocks Inserted In DWG?
Nov 1, 2012
The code below collects empty blocks with the intent to delete them.However, it appears that if an Xref is currently 'unloaded' it apparrently collects that too. I could probably just test to see if the block is an Xref and avoid it... but how could I modify this to check if it is loaded and still empty?
(defun NullBlocks (/ block *thisdwg* block nullblocks)
(setq *thisdwg* (vla-get-activedocument (vlax-get-acad-object)))
(vlax-for block (vla-get-blocks *thisdwg*) ;iterate block table
(vla-get-Name block)
(if (= 0 (vla-get-count block))
(setq nullblocks (cons (vla-get-name block) nullblocks))
)
)
nullblocks
)
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Jul 3, 2013
I have a LISP that use the XATTCH command. How can I collect xrefs inserted by XATTACH? It can be more than one xref.
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Sep 5, 2013
I'm using a blocklibrary, where I stored all my blocks, most of them have attributes.
Now I'd like to simplify my workflow and want to update the blocks that I inserted in a drawing trough LISP.
Is there a way to update all inserted blocks and attributes of the whole drawing a once? The idea is, that the LISP checks the whole blocklibrary and updates the inserted blocks that to not match with the once from the library.
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Apr 25, 2013
I'm looking for an easy way to generate a on-line riser diagram of blocks that have been inserted on a floor plan.Here's what I was thinking.
For every instance where the block SLC_DEVICE IS insert on the drawing, the routine would insert the block listed in the "TYPE" and place text equal to what is listed in the "ADDRESS". The TYPE is the actual block name.
Each one of these blocks have a tag of TYPE and ADDRESS. What is in the TYPE tag is the block name of what should be inserted and what is in the ADDRESS tag is the text that should be inserted under the block.
So for example; the routine would find the first instance and the tag TYPE which is "Smoke_Detector" and the tag ADDRESS which is 01:03:001. The routine would insert the block "Smoke_Detector" with the text "01:03:001" directly under it. It would insert the next instance the same way a specified distance from the last; so on so on so on until all instances of the BLOCK (SLC_DEVICE ) have been inserted.
The other part of this would be the Block "NAC&SPK_Circuit" but you would use the Tags "Type", "Candela" AND "NacCkt" to generate the one liner.
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Jun 2, 2012
This is what i would like to make a lisp for: if the user gives the number tree the last tree inserted entity's are deleted. If the user gives the number four the last four inserted entity's are deleted.
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Oct 19, 2012
I have some multiline attributes that contain strings that are longer than 250 characters. how to empty the attribute using autolisp?
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Jan 29, 2013
The below gets the block names of empty block records. The blocks may or may not be actually inserted in the dwg. In my case though, apparently they are nested in other blocks in the drawing I am working with... but it looks as if they are part of deeply nested block definitions and therefore cannot be purged. I checked a couple blocks (the code returns over 1000 in my case) it returns and there are no objects in its definition.
How can I force them out of a drawing - and hopefully reduce it's file size?
(defun NullBlocks (/ block *thisdwg* block nullblocks)
(setq *thisdwg* (vla-get-activedocument (vlax-get-acad-object)))
(vlax-for block (vla-get-blocks *thisdwg*) ;iterate block table
(vla-get-Name block)
(if (= 0 (vla-get-count block))
(setq nullblocks (cons (vla-get-name block) nullblocks))
)
)
nullblocks
)
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Jan 23, 2013
I wonder if I have to check if the "ssget" is empty.
I have a lisp to zoom extents in visible objects on the screen.
My interest is to filter before applying:If I have selected objects, it zooms in these objects. If I'm not have selected objects, continue as it is today, applying a zoom in the visible scene.
The result would be similar to a zoom of "3dsmax" (press the Z key)
The atual code
(defun c:ZOBJECTS(/ selectprev)(SETQ selectprev (SSGET "_P"))(command "._UCS" "View")(command "._zoom" "extents")(command ".__zoom" "object" "cross" "-1e99,-1e99" "1e99,1e99" "")(command "._UCS" "previous")(command "._select" selectprev ""))
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Mar 10, 2004
I am trying to create a lisp to delete all the empty layouts from mydrawings. I do not see any code to control this.
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Feb 28, 2011
(defun CELBLKS ( / e blk ss blkl)
(setq blkl "" ss (ssadd))
(while (setq e (entsel "
[Code]....
i have this lsp, it works great but how can modify it if i want select with a window.? exemple: if i have 3 differentes blocks, i want to select them with windows and the lisp select all blocks that are identical of those 3.?
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Jan 24, 2012
I have a project in 3D that I would like to export to Stadd. This requires lines rather than blocks. Is is possible to convert the blocks in the attached dwg file to to lines that are centered on those blocks?
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Jan 11, 2014
I was on an older cad and am now moving to 2014.. my previous cad was heavily customized the old school way, I have decided to learn the CUI (and dynamic blocks)
My old cad has blocks on a drop down menu.. click BATH menu than WC icon, a macro sets the correct layer than inserts the WC.. took time to setup but pretty simple and straight forward (see attached for menu syntax). I also made a toolbar BATH and on that toolbar I made a WC icon.. that’s what I use the most
couple of questions
1) do I have to make a new command in CUI for each block to do the same thing?
2) I looked into the design center, but seems like its too many steps but it seems a toolbar with an icon on it, clicking the icon and a macro sets layer and insert block is still pretty quick..??
3) if a toolbar with an icon is still a fast and less step method, can I open the block and somehow make an icon of it? if so where do I put it?
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Apr 12, 2012
I have this code w/ which I can open up Block Library Blocks for editing. We have R2012 installed w/out VBA.Our MIS department is impossible to deal with. We have this new fangled permission hysteria so I cannot install VBA myself.Is there any other way to open up my blocks? What I can I do instead?
(defun CpL () (prompt "...Open Library Block or Xref...")(terpri)
(setq a (entsel)) (setq b (car a )) (setq c (entget b)) (setq d (assoc 2 c))
(setq e (cdr d)) (setq ff (strcat e ".dwg")) (setq PP (findfile FF))
(setq opath (strcat "acadapplication.documents.open ""PP"""))
(command "vbastmt" opath))
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Dec 24, 2013
My drawing constitutes of many blocks and other objects , and i need to find specific blocks (with same block name) in my drawing which i cannot find them one by one and i though that i can find them all with lisp routine ..
so , i wanna specify point out of my drawing area and lisp routine will draw to line from basepoint of those blocks to specify point when i select one reference block.
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Feb 22, 2012
We've recently converted all our microstation drawings to autocad now that the company has decided to go with one cad program company wide.
One of the issues we are having after getting the drawings back from the this co. converting them is the cells to blocks convertion inside the drawing. when we open a drawing and see a "Fuse" block for instance and if it a has multiple inserts, it named them:
Fuse
Fuse_1
Fuse_2 etc....
is there a lisp routine or some command that would replace the "Fuse_*" blocks with "Fuse"..I've been searching the forums and know about the express tool Replace Block but need to be able to automate somehow.
I thought about trying to rename each of the "Fuse_*" but of course it won't let you rename to a block name that already exists..
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Jan 14, 2013
would like to set a base point during insertion of one block.When not insert by AutoLISP, just type "b" to be able to change the base point.
But when I'm using an AutoLISP that inserts a block, it does not work, it interrupts the sequence of routine.
Lisp:
(defun c:carrobox()(setq #clayer (getvar "clayer")) (if (= unidades nil)(setq unidades "cm")).....
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Jan 5, 2012
I've been trying tons of different solutions to solve this problem: insert a block that has an attribute which happens to be the last object id.
This is the best code I tried so far but without any succss.
(defun c:q1()
(command "_.PLINE")
(while (= (getvar "CMDNAMES") "PLINE")
(command pause)
[Code] .....
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Apr 17, 2012
I wanted to flatten arcs, circles and lines inside a block using the following lisp (which I found in this forum). I found that sometimes this lisp is unable to flatten the ARCs inside the blocks. I do not understand why it is not working for all the blocks. I have attached a drawing in which this lisp is not working.
(defun c:FlattenRaj ( / blocks stpt enpt inspt )
(vl-load-com)
(setq blocks
(vla-get-blocks
(vla-get-activedocument
[code].......
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Feb 20, 2012
I'm using the attached lisp to change the parameters of a dynamic block. In particular, I use the function chgdynprop
(defun c: test () (setq oggfreccia (car (entsel))) (chgdynprop (Vlax-ename-> vla-object oggfreccia) "Distanze1"300.0))
The lisp function works properly, because if I select the block from the bar I can see that property Distanze1 = 300.0
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Oct 5, 2011
I am looking for a routine that will replace all blocks named "DgnMisc_nodepoleind" with a block named "DgnMisc_nodepoleind2" keeping the insertion point. I could use (command "-insert" "DgnMisc_nodepoleind=Y:/ACAD2007/DA settings/Library_new_scale1/DgnMisc_nodepoleind2.dwg" NIL ) but my problem is that the block I want to replace is used on two different layers and I only want to replace the ones on layer "TPSYM01".
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May 29, 2012
I want to find a Lisp routine for building rooms (bedroom, bath, kitchen etc). example: I want to build a bedroom and every bedroom has the following blocks: smoke detector, door, window, bed, night stand, closet. Is there a way to run a lisp routine that would just ask me for basepoints and rotation angles of all those blocks? Basically it would automate building a bedroom by inserting all the blocks for me and just prompting me for basepoints + rotation angles.
Would a macro be better suited for this? I want to do one for every room - kitchen, bath, bedroom, living, dinning etc. I already have a nice collection of blocks.
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Mar 8, 2013
I'd like to use AutoLisp to modify and in some cases replace existing dynamic blocks in a drawing. How can I retrieve existing values and then modify values for the following:
1. Visibility states
2. Distances
3. Rotation angles
4. Flip states
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Apr 21, 2008
I have an XREF that contain block inserts sometimes nested 2 or 3 levels deep. Given the block names, is it possible to find and translate the insertion point of the nested inserts to the current World UCS?
Ideally I would give a routine the block name and it would scan the current drawing and return a list of the translated insertionpoints>
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Dec 17, 2012
Lisp routine to count the number of dynamic blocks of a specific name ("FD") by windowing an area of the drawing. I have a routine that I've been using to accomplish this, but i don't understand why it doesn't count dynamic blocks.
(DEFUN C:LOCATEFD(/ BLKNAME BLOCKSET TOTAL)
(SETQ BLKNAME "FD")
(PROGN(SETQ BLOCKSET(SSGET(LIST(CONS 2 BLKNAME))))
(IF(= BLOCKSET NIL)
[Code] ....
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Mar 11, 2005
I want to explode all anonymous blocks, but how do I create a selection set of them.?(ssget "x" '((2 . "*U*"))) doesn't work, and is dangerous if you have any blocks with the letter 'u' in them.
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Mar 1, 2013
I need a function that will allow me to do a "divide" with blocks but I need the single attribute to remain intact.
I need the blocks to align with object and keep the attribute. I did get it to work with constants but the function that I need to run next failed because of the constant. My variable is preset and locked.
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Jul 13, 2012
i have created an Autolisp routine that creates a drawing made up of structural members, x-refs & surfaces based on a few different user inputs. I now want the program to insert the drawing as a block rather than individual elements. My Idea was simply to use the block command in the lisp routine to create a block and then have the drawing create itself in block editor, and close once it has done. however I am having difficulty thinking of a way that I can get AutoCAD to automatically name this block depending on other blocks in the drawing, i.e. in sequence. The name is irrelevent really, but it would make sence for it to be logical, so... if the last block inserted was "b7" then the next one should be "b8" and so on.
Is there a better way of doing it all together? I have read a bit into "entmake" but i'm not sure on how to use that function.
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Oct 3, 2012
I have 30 blocks per drawing about 60 drawings. Each block starts with the jobname has other block info and then the block type. For example
Bldg31-MechEquip_ABC
Bldg33-MechText_DEF
Bldg45-ElecEquip_GHI
I want the output to be just ABC, DEF, and GHI.
I have a rename script but I dont know where to go from here. How can I tell it to remove everything up and including the "_" symbol?
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Nov 13, 2013
i need a vlisp program to draw polyline between two blocks.
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Nov 27, 2012
I want to code this lisp. The problem which I face is, In some drawings which come from the client, there are a lot of blocks.
I want to detect the blocks which has no sub-entities (but attribute) and add a rectangle inside this block, If it is an attribute add a line from 0,0, to insertpoint of attribute.
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Mar 16, 2012
I wonder if it is possible to have a routine that captures the visibility name of a dynamic block and place it in a text in the drawing?
For example, I have a block with 10 visibilities. I copied this block 10 times in the project and I put each one with a different visibility. Now I would like to make a label with the name of each visible state next to each block.
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