AutoCAD Visual LISP / AutoLISP :: Area Of Multiple Objects
Nov 3, 2008
I have a lisp I use to calculate the area of an object. The section below is the area part of it:
(setq ojt (entsel "Select object to get area of... "))
(command "area" "o" ojt)
(setq oarea (getvar "area"))
I want to modify it to add the areas of multiple objects. Unfortunately it is not as simple as;
(setq ojt (ssget "Select object to get area of... "))
(command "area" "a" "o" ojt)
(setq oarea (getvar "area"))
So how would I go about doing it?
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May 16, 2012
I have many floorplans and each room has a polyline around it.
What I'd like to do, is be able to select multiple (or single) polylines and have a dynamic field with the area attached to each polyline placed in the middle (or on a consistent edge, say top left). Preferably with custom units as we use mm for the drawings, but would want the area in m2. Also custom text heights.
I can find a lot of 'put the area in the middle' scripts, but they're either not dynamic or they require a click to place each one - and with over 700 floorplans and over a hundred or more rooms on some, it's not really possible to do each one individually!
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Jan 11, 2013
The below adds a hyperlink to the selected object.How might it have to change to add multiple hyperlinks?
(entmod
(append (entget (car (entsel)))
(list
(list -3
(cons "PE_URL"
(list
(cons 1000 "..\..\90 Submittals\90-3 O&Ms\fig83-clevishanger.pdf") ; Relative Path to a pdf file.
(cons 1002 "{")
[code]...
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Nov 2, 2011
How to modify this routine so that I can select multiple objects as opposed to one at a time?
(Defun c:cd ()
(setq newdim (entsel "
Select Dimension to clear:"))
(setq newdimvalue " ")
(command "dimedit" "n" newdimvalue newdim "")
(princ)
)
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Nov 27, 2012
I have this code that I wrote years ago that I want to update to select two types of civil3d objects and show them selected with grips on the screen. This function works fine
(defun CELFEATURE ()
(ssget "_X" '((0 . "AECC_FEATURE_LINE")))
(setq sset (ssget "P"))
(if sset
(progn
(sssetfirst sset sset)
;(command "_.PROPERTIES")
)
)
)
(defun cF () (CELFEATURE))
but if I add the extra object like this which I assume is the wrong syntax i only get the second type of objects. Need correct syntax I should be using for selecting more than one object in an ssget statement.
(defun CELFEATURE ()
(ssget "_X" '((0 . "AECC_FEATURE_LINE","AECC_AUTO_CORRIDOR_FEATURE_LINE")))
(setq sset (ssget "P"))
(if sset
(progn
(sssetfirst sset sset)
;(command "_.PROPERTIES")
)
)
)
(defun cF () (CELFEATURE))
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Sep 5, 2013
I am trying to select multiple objects and change them. However, the following code lets me only change one at a time. Even when I select a window around obejcts, it only changes a single item.
start of Same_Cannoscale.lsp(defun C:SCS ( / anno-v ent dict cansc entsc sc-list test oce)
(setq anno-v (getvar "ANNOALLVISIBLE")) (setvar "ANNOALLVISIBLE" 1) (if (= (getvar "CVPORT") 1) (princ "
In Paperspace. ") (if (setq ent (ssget ":S:L"))
[Code] ........
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May 24, 2013
I am just starting learning lisp, And I am looking for a fast way to select multiple objects (usually circle) and export their coordinates and ID into a excel sheet through lisp programming.
As you might see in the attached drawing, the red circles are objects wanted. I have been trying to export their coordinates as well as their IDs in grids, e.g D28, Easting: Northing: . I still haven't found a good way to export ID for each circle.
As my code doesn't work, I wonder what's the most effective way to detect errors in lisp
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Jan 6, 2012
i've got a lisp-routine that calulates multiple area's and put the sum in text in the drawing on the place i select.
the sum has to be devided with 1000000 so that it is in m2.
the lisp-routie i use is:
(defun c:ca(/ pt ent txthgt)
;;; bepalen van de teksthoogte indien current style height = 0
(setq txthgt (cdr (assoc 40 (tblsearch "STYLE" (getvar "TEXTSTYLE")))))
[Code]......
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Nov 27, 2013
I would like to be able to draw squares by the area they should have. So that if I need a square of 50m2 autocad automatically draws a square of sqrt(50) x sqrt(50)
Because right now I have to draw 200 squares with 100 different areas and I have to calculate and manually draw each one of them.
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May 8, 2013
I have a closed polyline that i can add the area to via a field in mtext using the options under area. I would like the area to always be rounded down to the nearest square meter. Is the a way to do this via the acfields.fdc file?
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Jan 31, 2013
I'm wondering if there is a lisp possible to measure area's by pick point (as in bpoly). This little feature exists in Microstation so i was looking for something similar.
Is it also possible if this lisp can measure areas from an external reference (dwg, dxf, dgn, shp etc..)? I'm kind of new to AutoCAD in that sence.
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Mar 30, 2007
Hatch objects: Note To access this property, use the IAcadHatch2 interface.How can I access the Object.Area of an AutoCAD hatch. AutoCAD 2006 has properties that can be assigned to Fields so why can't I find the object att- area in any lisp vars?
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Sep 13, 2013
I'd like to set up a blockwith different attributes like Roomname, Floor, Area,...
Therefore I'd like to link a polyline of the drawing with the block and it shows me its area. I know how it works with fields, but not how to connect it when the field is within a block.
Is there a LISP for that?
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Oct 24, 2013
LSP file i downlaoded from web.it is to use for Area with (m2) and room name. by click polyline.
i want to modify it to use without adding Room Name, just insert area to the drawing.
(defun drtxt (/ rn tx ls vl lt ht lb hb nr pt)
(setq tx (strcat "Area: "
(rtos (/ (getvar "area") 1000000) 2 2)
" m2"
)
rn (getstring "
Room Name: ")
[code]....
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Mar 21, 2013
I need to segregate closed polylines in my drawing by area range. Ideally, I would input the number of ranges I need.
Then somehow find the smallest and largest pline area to determine the range values (rounding up to a sensble number)
Then with the ranges determined the polylines would be segregated and moved to new layers.
I've been trying to hobble together pieces but with no joy.
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Aug 10, 2012
I create a lot of fields that reference a polyline area and I'm constantly having to change the default formatting values. I would like it to default to an Architectural format, WITHOUT the appended "SQ. FT." (which often takes up too much space), with a precision of 0 and using a comma as the Thousands Separator.
Is there any way to set these default values?
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Sep 20, 2011
How would I go about this. if a two blocks or polygons are overlapping area?
A good method or the algebraic formula for a function to tell me if a point is inside a polygon or block's area?
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Feb 7, 2010
How can I get the layer that an entity is on. I have tried numerous method but they don't seen to be retrieving the layer information.
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Nov 26, 2012
how to delete all OLE objects from drawing by most efficient way.
There are abt 150 drawings, each has from 2 to 20 or so OLE objects which need to be deleted. OLE objects are on many paper spaces.
I tried to use qselect but it selects only what is in current space.
Would need some lisp or some other methode than all can be deleted (excluding those which resides in blocks).
Tried also yto use ssx and then erase but still it deletes only what is on current space.
Just as additional info, those OLE are all pictures, not xls files for example.
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Mar 7, 2012
I am trying to add a reactor, where if the object i move or copy is s a block of a certain name, then i would like to run update field on the last object (being copied) or the object being moved.
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Sep 19, 2011
I have been searching for some information on how to pass objects into a function so I can mess with their properties. Somehow I haven't been very successful. Anyway...What I want to do is take two items (light fixtures) and swap their positions on the drawing. It seems like it must be really simple, but I'm just not finding the key puzzle pieces to do it. It seems like if I could figure out how to pull two objects into the function (whether by selecting them and running the function or by selecting them after I run the function) I could very easily save the coordinates of one to variables and then just swap them.
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Jan 6, 2012
How to export to a txt file a list containg all the objects on the current layer and their properties?
To be precise, I would like to export the following items from a selection of plines:
- ObjectID;
- Start Point;
- End Point;
- Vertex Points;
- Width.
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Jan 2, 2012
with a function like this I added some xdata, some MULTILEADER
(defun c:add_xdata () (princ "Select: ") (setq ogg (car (entsel))) (addXdata ogg "TEST" "CODICE" "1256") (addXdata ogg "TEST" "MATERIALE" "LEGNO") (addXdata ogg "TEST" "TIPO" "A"))
Now with the following function can only select leaders who have linked the xdata application TEST
(setq selez_all (ssget "X" '((0 . "MULTILEADER")(-3 ("TEST")))))
I can not, however, find a way to select all MULTILEADER who have a particular value of XData.
For example I would select all MULTILEADER with MATERIALE = "LEGNO" and TIPO = "A".
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Jun 20, 2012
is it possible select all ANNOTATIVE objects in a DWG and to set a Viewport/ANNO scale for all via lisp
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Sep 24, 2012
I have made a lisp routine to draw lines on polyline. And here are a lot of lines on it. So using comand
"(command "line" pt1 pt2 " ")"
takes a lot of time. Is here a way to creat lines in memory or similar and only then draw them all on screen?
I have search but coudin't find any info. I do not know how to formulate a query.
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Jul 29, 2013
I want to move a large 3D steel file on top of a 2D architectural background. The ISSUE is that when i move it (in plan view "aka top view") the X,Y coordinates change AND the Z coordinate changes... But, I want the Z coordinate to stay the same . I wrote a LISP file that doesnt seem to work (SEE BELOW):
(defun C:MoveXY (/ PT1 PTB PT2)(setvar "CMDECHO" 0)(setq PT1 (getpoint "
Specify Base Point or [Displacement] Displacement: ")PTB (getpoint "
Specify second point or <use first point as displacement>: ")PT2 (list (car PTB)(cadr PTB)(cddr PT1)))(command "_.MOVE" (SSGET) "" PT1 PT2))
It seems my issue comes when i get to the command line (ssget) seems to mess it all up . How to use the ".Move" command with the (ssget) function?
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Jan 1, 2014
I need a LISP that create a new layer and ask me for the name and the other properties (color,lw,lt..).
ask me if I want move the selected object for the new layer (yes is the default value)
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Oct 18, 2012
Any way to detect of there are objects currently selected using Autolisp, visual lisp or even VBA. I would like to be able to do something using that as a conditional, so that (assuming the hypothetical variable isSelected is an on/off indicator of whether or not something is selected) I can code something like this:
(if (isSelected) (...))
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Nov 26, 2013
I find that the command to move objects to a different layers runs very slow in one of the drawing. I want to find out what wrong with the drawing and how to speed things up.
I have a LISP program that batch processes a large number of drawings. One of the step to process each drawing is to change the colors of some objects according to the status of the objects. I do this by moving the objects to a later that has the right color. So far the program only takes 2 to 4 minutes to process each drawing. But the program takes close to 90 minutes to process one specific drawing. I track down the problem has to do with the command that moves the objects to the right layer, like this:
(vl-cmdf "_.chprop" (ssget) "" "_layer" "ABC-Prod-Good-Pcs" "")
This command takes a very long time to finish, like 40 minutes each time it runs (to move 1200+ objects), and the program needs to run it twice for a total of approximately 80 minutes.
Please note that the drawing itself is not the largest drawing, and it doesn't have the largest number of objects to be moved either. It is close to the top-5 drawings in term of drawing size and the number of objects to be moved. I cannot say that the drawing size or the number of objects to be moved are the cause of the problem.
I tried to "speed up" by moving 200 objects incrementally. That didn't work. I tried to "speed up" by moving 100 objects incrementally and saving the drawing after each 100 objects are moved. That didn't work either; actually the speed is slightly slower than simply moving 1200+ objects all at once.
I don't know what to do. I believe there may be something unusual about that drawing. By the way, the reason why I choose to change color by moving objects to a different layer has to do with the fact that I have found this is the best way so far. I tried to change the color of the objects directly. But I find that the color of some sub-parts of the objects are not changed (because their color is by-layer). That's why I choose to change color by moving objects to a different layer.
How I can check the drawing, any different way to change color that is better.
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Nov 23, 2012
I need a program to move some selected text to a line something like as extend command but for text objects!
suppose that there is a horizental line (y=constant) or vertical line (x=constant) and some selected text(or other objects), I want a lisp program that move these selected text (or objects) by their "insertion point" to this line.
in other word, if the selected base line is horizental (y=constant) then property of "Y" of all selected text should change to line's "Y"; and if selected base line is vertical (x=constant) then value of "X" of all selected text should match to line's "X" value.
for example, for base vertical line (x=constant) and 3 selected text(or can be any object) result is:
text1. | text1.|
text2. | ===> text2.|
text3. | text3.|
| .text1 |.text1
| .text2 ===> |.text2
| .text3 |.text3
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Nov 25, 2011
The CADdesigners have asked me if i can make a function that runs through our AutoCAD 2012 MEP model attaching certain predefined classification definitions to ducts, pipes, MVparts etc.
I have used hours searcing for examples / tutorials on how to connect to the MEP objects not finding what i need.
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