AutoCAD Visual LISP / AutoLISP :: How To Create Selection Set Of All Entities Inside Unnamed GROUP
Jan 17, 2012
I am trying to create a selection set (or LIST) of all objects inside a unnamed GROUP.
I found a means to access the unnamed group, however I am having trouble creating the list.
Command: (entget (cdr (assoc 350 (dictsearch (namedobjdict) "ACAD_GROUP"))))((-1 . <Entity name: 7efe6280>) (0 . "GROUP") (5 . "130") (102 . "{ACAD_REACTORS")(330 . <Entity name: 7efe5c68>) (102 . "}") (330 . <Entity name: 7efe5c68>) (100 . "AcDbGroup") (300 . "") (70 . 1) (71 . 1) (340 . <Entity name: 7efe6268>) (340 . <Entity name: 7efe6260>))
In the example above, there are 2 entities in the group.
What I want to do is to remove a certain entity from the GROUP, then delete the entity.
Repeat until all entities of that type are removed (I can figure this part out...).
How do I create a Selection Set (or LIST) of all entities inside a GROUP?
To access the first GROUP name in the dictionary:
(cdr (assoc 3 (dictsearch (namedobjdict) "ACAD_GROUP")))
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Feb 15, 2012
I have a lisp routing that the user has to use, to create a ucs, that is exactly on the front of the entity the user selects, so that whne they are drafting, labeling, dimensioningn the 3D entity, none of the drating lines are hidden when plotted.
The code is as follows:
(setq obj (vlax-ename->vla-object ent))
(vla-getboundingbox obj 'LowerCorner 'UpperCorner)
(setq LowerC (vlax-safearray->list LowerCorner))
(setq UpperC (vlax-safearray->list UpperCorner))
[code]...
Then I do a condition to see which points are greater than others, and move the ucs depending on the view to the foremost point. The program works perfectly.... however, often, they forget to use it.
I was wondering if I could incorporate it in another lisp that everyone uses, but not having the user pick the entity they want to be in front of (sometimes they pick the wrong entity). Instead, take the group of entities (anywhere between 1 to 30 per drawing (these are piping spools, so the entity count is not that great in model space)) and set a front working plane in model space. Working in paperspace is not an option, we're just too deep into our templates and processes.
I know there is a vmin and vmax, but they are for the X and Y axis, a VMax along the Z-axis would be great.
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Nov 19, 2013
I have redined AutoCAD's copy command alias to C, but to also do other things, like set a few important variables in the background. One of the lisps I've incororated are making new viewports, that also create layers that are visibly specific to the viewport being created.
We were tasked a while ago to do an easy job of copying entities (dimensions, text and what not) in a layout. The problem is, users are copying the viewports too, which is bit more ineffificent than using the create viewport command I developed.
Is there a way to see if a selection set includes (0 . "VIEWPORT") entities? If the check returns nil, well then all is good. If the check returns "true", then I can prompt the user that a "VIEWPORT" entity is selected. I can then exit the command, or ask the user if they are sure they want to copy the "VIEWPORT" entity.
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Apr 15, 2011
I found a lisp to get block attribute data to a other block. See attachment. I can only apply it to one block. I like to apply it to selected blocks or blocks in a group. Is this possible?
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Jan 4, 2013
I want to create a table with all characters inside a font.I used "%%" to change a number to it's character.but "%%" limited to 999 and for numbers bigger than 999 it doesn't work.
also, CHR command limited to 255 and for numbers bigger than 255 it change to (number-255). so I used "%%" to create this table:[Please change default font in your AutoCAD to ARIAL]
(Defun c:charmap ()
(setvar "cmdecho" 0)
(setq cnt 1.0)
(setq r_cnt 0.0)
(setq ts 32)
(setq x 0.0)
(setq y 0.0)
[code]...
I want to know:
1- what can I do for numbers more than 999?
2- How can I know the number of characters inside a font?
3-how can improve my LISP program to have complete characters inside the fonts?
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May 9, 2013
What I am trying to do is create a selection set of the "y" values of text. I've started by pulling out all the text on the drawing, but I need it to continue to grab only the "y" values of the text on the drawing.
(setq alltext (ssget "_x" (list '(0 . "TEXT"))
)
)
I've tried a bunch of different things but I am still new to lisp.
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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 2, 2011
I know through the block command you can write out a selection of entities to a single drawing.But what I am wondering is if it is possible to have two drawings open, and transfer data quickly between the two?
As an example as we are detailing an assembly we create a title block around a detail, put dimensions and notes on as needed and would then like that to be transfered into another drawing next to the previously transfered detail drawing.
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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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Jul 16, 2013
I am having nearly 1000 drawings where I need to change the title block in a new format.
I am stuck up in moving all the entities in cordinates 15,280 (upper point) and 205,55 (lower Point) to 275,294 (upper point and correspoing lower point.
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Jul 22, 2013
I have 2 selection sets and I'm looking for a more elegant method of checking if both sets contain the exact same entities (note - the order of entities might be different).
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Jun 28, 2013
I continue learning....
(setq ins (vlax-ename->vla-object ( ssname sele cod)) nombre (vla-get-name ins) ) (setq bloque1 (vla-item (vla-get-Blocks (vla-get-Document ins) ) nombre ) ) (setq s_ent1 (vla-item bloque1 1)) (setq pt1 (vla-get-startpoint s_ent1 ))(setq pt2 (vla-get-endpoint s_ent11 ))(setq s_ent2 (vla-item bloque1 2)) (setq pt3 (vla-get-startpoint s_ent2 ))(setq pt4 (vla-get-endpoint s_ent2 ))(command "_pline" pt1 pt2 pt3 pt4 "c")
Why dont draw de _pline?
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Aug 16, 2013
I have a lisp that draws variety of entities such as lines, arcs, hatches, points, blocks, text etc. How can I make one single block containing all of them, i.e. one block that has all items drawn since the lisp was invoked.
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Jul 9, 2013
I have code that will set and sae a current UCS to the front of an entity, of course, depending on the viewpoint. This is so, because we need all draft lines in front of 3D solids, such as dimensions, leaders for labels, text entities and so on (the reason for not putting these entities in paper space is another discussion ).
But I'll have on of two problems on numerous occasions:
1. The user forgets all together to run the command.
2. The user will pick the wrong entity that is in the foremost position in that view.
The code I have utilizes the following:
(setq ent (car (entsel)))
(vl-load-com)
(setq obj (vlax-ename->vla-object ent))
(vla-getboundingbox obj 'LowerCorner 'UpperCorner)
(setq LowerC (vlax-safearray->list LowerCorner))
(setq UpperC (vlax-safearray->list UpperCorner))
Then I'll analyze the X, Y and Z of both the lower and upper corners, and set my UCS to whatever is proper.
Is there a "LowerCorner" and an "UpperCorner" for all entities. I can't see "VSMIN" and VSMAX" working because the elevation of the returned coordinates is always "0,0"
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Dec 25, 2012
I have uploaded the handout for my AU2012 class to Google Drive. The link is [URL] It contains the detailed explanation for all the source code used in entmake-ing and entmod-ing the new MESH (aka Subdivision Surfaces) entities. [URL]
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May 19, 2013
I am modifying stuff in a dynamic block insert entity. There is no "endblk" entity at the end of these definitions and I need to cycle through every entity within the block definition. When it gets to the last entity, I get an error because you cannot entnext passed the last entity. There are 2 things:
1. How to retrieve the # of entities in a block without cycling through it.
Or
2. A quick lesson in the *error* function, I cannot figure out how to implement this. I basically want to to say:
(if (entnext myent)) returns a error, don't abort & continue on.
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Dec 4, 2013
I am working on a flood inundation, I would like to find a lisp or command(i'm not finding) to connect two points with a given elevation following the surface file or surface entities.
here is a small section as example right now it's just guesswork, some of these have taken a week to connect all the sections.
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Oct 12, 2012
I have a drawing with various layouts that when I do a Zoom Extents the drawings is reduced to the size of a point.
I have done all the usual, ie: look for extra entities that are "out in space" so to speak and there are none.
I wonder if I have a block or image which may have an insertion point "out in space" and if this may be the issue.
Is there some way to Select all entities or Blocks (insertion point) that may exist outside a particular area ie: drawing limits.
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Nov 28, 2012
How to create a group? I want to create a unnamed group for a text and box
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Nov 15, 2013
I've created a lisp that draws the boltholes of a pipe flanges, using the correct number of holes, at the correct diameter at the correct bolt-hole diameter and then rotates. Everything works seamlessly, when i do just one flange. But I've discovered that fewuently there will be mulitple times when a user will have to perform the command.
So the idea I had was to do the following:
Select all circles with (setq CirclesFirst (ssget "X" (list (cons 0 "CIRCLE"))))
Go through the code to create the new circles.
Select all circles with (setq Circles (ssget "X" (list (cons 0 "CIRCLE"))))
Remove selection set "CirclesFirst" from "Circles".
But what for some reason (command "_.select" Circles "R" CirclesFirst "") does not work.
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Jul 23, 2012
significance of extra dxf 1 groups in the entity data of a multiline attribute? I am looking at one for the first time, so I don't know whether or not to expect multiple 1 groups. In the single example I have created there are two and the first one seems to be ignored. Can I count on that being the case all the time? Data for the one I'm looking at follows, and what shows up on the drawing display is only the contents of the second dotted pair with 1 as a key.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
((-1 . <Entity name: 7ec37d18>)
(0 . "ATTRIB")
(330 . <Entity name: 7ec37d10>)
(5 . "323")
(100 . "AcDbEntity")
(67 . 0)
(410 . "Model")
[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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Aug 5, 2011
Is there a way (or a “trick”) to have one attribute at two different locations inside of one block (I want to avoid filling in the same text twice when this block is inserted or edited)?
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May 20, 2013
I have a simple block with 2 attribute and 1 line inside it.
something like this:
Attribute1
──────
Attribute2
I want to modify length of line due to width of thoes attributs. length of line is equal to maximum(width attribute1 and width attribute2).
dxf code for start point of a line is 10 and end point for a line entity is 11.The question is: how can I modify the length of line automatically via maximum width of these attributes?
for getting width of a text:
(defun GetWidth ( en ) ((lambda ( lst ) (- (caadr lst) (caar lst))) (textbox en)))
sample:
A1
──────
Attribute2
Attribute1
──────
A2
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Dec 4, 2012
I have the following code to redefine a block after a command has ended:
(vl-load-com);*********************************************************(defun Redefine() (command "_.INSERT" "reactortest=reactortest" nil)(princ "Block redefined."));****************************************(vlr-command-reactor nil '((:vlr-commandEnded . endCommand)));******************************************************(defun endCommand (calling-reactor endcommandInfo / thecommandend) ; Get the name of the command.(setq thecommandend (nth 0 endcommandInfo)); Check name of the command.(cond ((= thecommandend "PLINE") (Redefine)));cond(princ));defun(princ)
It doesn't work because INSERT is an interactive function and can't be called while a reactor is active. Is there another way to redefine a block that can be used in a reactor? The block is in one of the default search path's.
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Jul 17, 2013
I having real difficulty finding a lisp that will find and replace blocks. There are plenty out there and AutoCAD 2013 and lower has a Find and Replace Blocks. However, the frustrating catch is I can seem to find a routine that will allow me to replace only those blocks that I select with a selection set of my choosing. The built in function replaces all of them and will not let you exclude some. We have PID drawings that we want to replace valves on, but not all valves. We don't want to rename. We don't need to BEDIT the existing block.
1) Pick group of blocks
2) specify a new block that will replace all instances of old block
3) replace inserted block with different block. Leaving others alone.
I'm thinking this should be easy, but my search has failed. The blocks in question are not dynamic or attributed either.
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Oct 2, 2013
I don't give the right keywords with Google !?So from a classic selection (or ALL for ALL Blocks of the DWG) of entities,
we will keep ONLY blocks (Static or Dynamic)I am looking for a Lisp/VLisp routine to update all Color of Hatches inside Blocks when the Hatch Color is xxx If the color hatch is NOT XXX we don't update !
The problem : update all hatch from blocks where Color = 255 (or any other value)
---> other classic Color (1-256)
--> RGB Color 255,255,255 or any other
I don't know at all how to switch hatch entities from classic color to RGB color inside a Block..And dynamic block in Lisp/VLisp are far from my level 0.2 in Lisp ...
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Dec 2, 2010
I need a lisp routine which will delete all the dimensions inside selected block or blocks, including nested blocks inside.
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Apr 4, 2013
I need a lisp code to burst all "blocks with text/attributes inside" in selected area. That means user should select an area (window selection) and lisp program should be find all blocks with TEXT or ATTRIB inside in selected area and then applys "BURST express tools" command to all these blocks in the selected area by user.
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May 3, 2013
Looking for routine for converting text to attributes inside the block?
In my drawing I hv some attribute blocks having some Text in it. I need to change the Texts inside the blocks as Attribute Texts. I am attaching sample Blocks drawing..
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Mar 19, 2012
We have this need to have all of the solids in a drawing to be placed in the "solid" layer.
Sometimes folks are drafting lines to develop these solids, and keeping the lines on the "solid" layer, rather than moving them to another layer, or deleting them altogether.
I could get folks to run this command before leaving the drawing.
I'm thinking something along the lines of:
Select all entities that are on the solids layer that are not solids.
If nil, great, do nothing.
If entities are selected, let me do something with them.
I'm hoping the following can be modified ever so slightly.
(setq non_solid (ssget "X" (list (cons 0 "3DSOLID")(cons 8 "solid"))))
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