AutoCad 2D :: Determining The Area Of A Hatch
Apr 19, 2011
Essentially, I have an odd shape that I fill in with a hatching. SOMETIMES, it will give me the area in the properties window (or when I use the list command). but other times, it will not give me the area.
I just hatched 4 different (but same general shape) areas, and on 3 of them CAD was able to compute the area, but not the 4th hatched area.
I created all 4 hatches using the exact same steps, so I'm not sure what I could be doing wrong. The CAD Tech at the office cant seem to figure it out either .
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Nov 30, 2013
I have many Hatch pattern in my dwg. is there any LISP if i slect any Hatch then it will give me area in table
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Jul 13, 2011
How can it be that a hatch object has no area property? Using the AREA command, it says the object has no area.
None shown in properties.
None listed using vlisp (vla-get-Area Obj).
I have seen this before, but why or how it happens.
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Feb 29, 2012
I have a hatched region that clearly has an area, however the geometry properties indicate that there is no area associated. This a a complex region with many PI's. I really don't want to recreate this area.
Is there any way I can create a boundary around the hatch lines?
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Jan 20, 2012
im trying to hatch a area inside a box but every time i try it says that there are gaps but they are within tolerance and give me OK or NO
if i select OK it hatches one i want and one beside it and the boundary it creates is all messed up
if i select NO nothing happens
ive tried to find out how to identify the gaps and ill ive found is to look for the red circles.. mine dont seem to display is there anyway to turn them on? or another way to show the gaps i have so i can close them i always draw with snap on
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Jan 8, 2003
I'm having a problem here with hatching in AutoCAD 2000. The existing hatch patterns doesn't fulfill my needs and I need something more specific to hatch a cobble stone area. In my aCAD hatch patterns there's not a good hatch for it and I looked that I can do my own pattern using Notepad etc. but unfortunately I don't have a time to do that.
So, my question is: Is there any simple ways to create your own hatch patterns for example like in Microstation where it is very easy to do. There is an option that I can use cells (blocks in ACAD) as hatch patterns.
Or can I maybe download a custom *.pat file from somewhere and use it?
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May 10, 2011
Not sure if this is possible, but a coworker said he remembers doing something like this. I want to hatch an area that has been rotated. But without knowing what the angle, is it possible to hatch the rotated area so the hatch is orthogonal? I've attached a pdf to show what I want.
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Aug 30, 2012
When I was using AutoCad 2010 I could HATCH within a cube, circle or within any object that was joined together even if it had text in it would HATCH within the boundaries of the area to be hatched. Now that I use AutoCad 2013 this option does not work as if there is text in the object only a partial area will become hatched. This means I have to MOVE the cube or whatever shape to a place where there is no text inside it, HATCH and then move it back to where I wanted it in the first place.
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Apr 4, 2013
I find conflict area between list command for hatch and calculation.
when do you make calculation list of plines 2381.399
when do you make calculation list of hatch 2545.948
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Jan 12, 2012
Basically for example (to make this easy to understand) I've got 4 squares with hatches inside and im trying to select one single hatched area in one of the squares (and delete it). But upon selecting it it's selecting the hatches in the other 3 squares (as they were added at the same time). I've carried out a few searches in google etc and experimented with "pickstyle" but with no avail, also I've looked at groups but there are none in the drawing(so I can't ungroup).
I can do it (which I've just realised) by deselecting the boundaries in "edit hatch" but just wondered if there was a quicker way?
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Oct 25, 2011
I need to add a hatch fill polyline area but leave the text island out. What I did is put put Polyline ID and Text island ID into an ObjectIDCollection. The code doesn't throw any error but I can't see the hatch.
Public Function AutoCADAddHatch(ByRef newAddedHatch As Hatch, ByRef HatchElementIDs As ObjectIdCollection, ByVal HatchColour As Autodesk.AutoCAD.Colors.Color,
_ ByVal HatchLayerName As String, Optional ByVal PatternName As String = "SOLID", Optional ByRef strError As String = "") As Boolean
Dim db As Database = acApp.DocumentManager.MdiActiveDocument.Database
[Code] ......
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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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Feb 4, 2013
Is it possible to fill an area with hatch patterns in a feature sketch (ipt sketch), not in idw sketch?
I want to show a safety screen (wire mesh) in a 3D model, in order to reduce the file size, I do not want to do solid wire mesh in the model, but the sketch only. I was drawing one by one line and make a hatch cross lines in the sketch, it took me lots of time to draw these lines.
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Jul 10, 2009
I've been trying to calculate large areas using fills but I keep encountering a problem with some of the hatches not showing an area and thus ruining my calculation. I've found out that I can correct it by removing certain crossing point between lines as is shown below in my screenshots. Is there any reason this is causing a particular problem and can I avoid it to save me having to go back over my hatches checking for these malformed hatches?
area.jpg
altered.jpg
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May 6, 2011
I work with maps, and i hatched a area, with a irregular shape, now i want to know this area, how can i proceed?? I already selected all area and clicked on properties to see Geometry information, acumulative... Did the List Comand.. and nothing.
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Nov 16, 2011
i have problem with hatch,if i delete any lines from related hatch protion object area, my all related hatch object erased.pls guide me how to solve problem.
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Aug 25, 2009
I have several days of experience with Autocad 2010... The problem: I have many (a lot) polylines in my 2D drawing that are adjacent to each other, but not joined. What is a good way of joining them, so that those that "touch" each other become one? Maybe I can hatch the area, then delete polylines and then reconstruct the boundary?
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Jan 17, 2013
My application has suddenly started to link the hatch pattern to the area boundaries.
The objects remain on their own layers, but I am not able to delete the hatch pattern without deleting the boundaries.
I cannot edit the hatch pattern either as the application no longer recognises the hatch pattern.
Have i changed a setting unwittingly?
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Jun 25, 2001
We have 1 machine in the office that when using super hatch it will not "hatch" the entire area as one hatch, it breaks it into separate image based pieces. The rest of the office, it hatches as one entity so it can be changed easily. Even if we use the group command, it will not group them.
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Sep 25, 2013
I´m trying to plot a picture with a hatch marking a area on the picture. I´m making a overview of the picture with the hatched area on it at scale 1:10000. And then i make smaller plots in scale 1:5000.
My problem is that depending on the scale the color changes (it´s darker in 1:10000).
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Jul 30, 2012
How does one determine if the version of AutoCAD that is installed ( 2012 mechanical in this case ) is an x32 or x64 bit installation. Normally I would just look to see if it was installed under Program Files or Program Files ( x86 ) but it is located on D: drive under another folder so I don't have that option.
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Jul 16, 2013
Not sure if this is something I'm able to do in Inventor...
I have a "damper", it's more or less a diesel exhaust flapper type vent, that hangs upside down and is held in the horizontal/closed position by a counterweight.
Typically we would experiment in the shop with the counterweight quantity and the length of the arm required to get the proper operation of the damper/flapper in respect to the air/exhaust flow.
Since we know the axis along the shaft for the flapper and the weight of the flapper and it's bracket on the arm...is there a way to figure this out in Inventor? Obviously it still may need to be dialed in/tweaked...but I'm not sure if it's even possible.
Inventor 2014
Windows 7 Pro SP1
Intel(R) Core(TM) i7-3770k CPU @ 3.50GHz
16GB RAM
NVIDIA Quadro 4000
3D Connexion SpaceMouse Pro
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Jul 2, 2011
I have written some code that draws a graph. The graph starts at the 0,0 default of AutoCad Model Space and goes +X and +/-Y. I want to redraw the labels along the X axis every time the Zoom is changed by the user, to change the text height and density of the labels. I need to know the the current Zoom in relation to the actual extents of the graph. Ideally I would like to redraw the text as a result of the "zoom event" I don't know if there is such a thing or not.
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Mar 24, 2009
I wish to determine the angle between two lines (that meet). I know how to do this manually, although does AutoCAD have a built in command similar the DI command maybe, or a LISP?
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Feb 17, 2013
I need determining the scale of a drawing I got from the internet in ratio form. the drawing itself has a little scale bar in the corner, however, since i do not know the measurements of the actual structure i have no reference point and therefore cannot figure out the scale in ratios.
I read on here that you can use general reference point such as the average dimensions of a door/window ceiling etc. but the drawing is a longitudinal section of a church, namely, Temppeliaukio kirkko, which has no 'standard' dimensions.
I need this drawing in 1:100
longitudinal section.jpg
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Sep 18, 2012
Is it possible, using Inventors VBA to determine if a "ipt" file is a "Normal File" or a "Sheet Metal File".
Say I have created a sheet metal component and a normal component. If i run a VBA macro, can I tell which one is the "Sheet Metal" component?
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Jun 1, 2012
I am looking to find out if the is a way of generating a stage storage table or volume table showing only the volume in the pond from the lowest intersecting existing ground contour to the top of the pond (to determine what would spill out of the pond in case of a berm failure) and if Civil 3D could make the determination of where that intersecting point is.
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May 15, 2011
how do I go about determining the drawing units that are being used in a drawing? I want to be able to determine whether the units are set to feet, inches, millimetres, metres etc but can't fathom how to get this info using lisp.
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Mar 2, 2012
Is there a command to determine if multiple connective arcs are tangent to one another? It is necessary with some of our CNC equipment that the closed shapes must consist of lines and arcs that are connective and tangent to one another to function properly.
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Oct 4, 2011
I've got a persisitant problem with the publishing feature in autocad. I know how to set up bulk print of drawings using publish.
However the drawings are a mixed lot (some in paper some in layout). Is there a way to determine the state of the drawing without opening each one. In my case there is thousands of drawings and of course i do not have the manpower to inspect each one.
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May 2, 2013
I am trying to entmake a hatch entity from a hatch template.
After entget the template hatch entity, i get the followings
Select object: ((-1 . <Entity name: 7ed11b78>) (0 . "HATCH") (330 . <Entity
name: 7efc7c10>) (5 . "737") (100 . "AcDbEntity") (67 . 0) (410 . "Model") (8 .
"SECTION-LABEL") (62 . 255) (100 . "AcDbHatch") (10 0.0 0.0 0.0) (210 0.0 0.0
1.0) (2 . "SOLID") (70 . 1) (71 . 0) (91 . 1) (92 . 1) (93 . 8) (72 . 1) (10
633596.0 5.79713e+006 0.0) (11 633519.0 5.79713e+006 0.0) (72 . 1) (10 633519.0
5.79713e+006 0.0) (11 633519.0 5.79708e+006 0.0) (72 . 1) (10 633519.0
5.79708e+006 0.0) (11 633500.0 5.79708e+006 0.0) (72 . 1) (10 633500.0
[code]....
Now I wrote the following code using the above data as follows
(entmake (list (cons 0 "HATCH") (cons 67 0) (cons 410 "Model") (cons 8 "SECTION-LABEL") (cons 62 255) (cons 10 (list 0.0 0.0 0.0)) (cons 210 (list 0.0 0.0 1.0)) (cons 2 "SOLID") (cons 70 1) (cons 71 0) (cons 91 1) (cons 92 1) (cons 93 8) (cons 72 1) (cons 10 pt1) (cons 11 pt2) (cons 72 1) (cons 10 pt2) (cons 11 pt3) (cons 72 1) (cons 10 pt3) (cons 11 pt4) (cons 72 1) (cons 10 pt4) (cons 11 pt5) (cons 72 1) (cons 10 pt5) (cons 11 pt6) (cons 72 1) (cons 10 pt6) (cons 11 pt7) (cons 72 1) (cons 10 pt7) (cons 11 pt8) (cons 72 1) (cons 10 pt8) (cons 11 pt1) (cons 97 0) (cons 75 0) (cons 76 1) (cons 98 1) (cons 10 (list 0.0 0.0 0.0)) (cons 450 0) (cons 451 0) (cons 460 0.0) (cons 461 0.0) (cons 452 1) (cons 462 1.0) (cons 453 2) (cons 463 0.0) (cons 63 5) (cons 421 255) (cons 463 1.0) (cons 63 7) (cons 470 "LINEAR")))
The point variables pt1, pt2....pt8 are all defined. But when I run the code the hatch is not being created? Why?
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