AutoCad :: Hatch Sections Of (overlapping) Entities?
Dec 24, 2013
I'm working through a tutorial on [URL] drawing and attempting to hatch the second Extra Practice assignment at the bottom of that page: [URL] I've drawn it from a closed polyline with a circle overlapping it but I'm not sure how to assign different hatches to each of the six sections as shown in the second link above. I've tried opening the hatch dialog, selecting the polyline and choosing points, but I can't get there. I exploded the polyline into lines and tried selecting points again, but no good. I tried selecting the entire (unexploded) polyline, but I can't assign individual different hatches to each section - I just get the usual all/in-out, etc. behavior. I assume I could manually construct entities to match each section, but that gives me the same bad vibes as using goto when programming. Just doesn't seem right.
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Feb 6, 2013
I'd like to automatically hatch all visible polygons of a drawing. My vision of how to solve this is basically:
- for each visible drawing do
- pick internal point
- hatch
- end for
I'm having trouble by automatically picking an internal point inside the polygon.
I've found these two methods : Crossing numbers and winding numbers [URL]....... but they don't seem to work if there are some polylines inside an polygon.
Is there another solution to my problem for automatically picking an internal point inside a polygon ? Can I automatically hatch an polygon without picking it's internal point ?
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Nov 24, 2011
I wrote a program that trys to move all the entities in a dwg file by calculating a grid transformation for each point in each entity. For example to move a pline
Case Is = "AcDb2dPolyline"
Set o2DP = oEnt
retCoord = o2DP.Coordinates
For j% = 0 To UBound(retCoord) Step 3
yaa# = retCoord(j%)
[Code]...
My problem is moving hatch entities. I haven't succeeded in finding equivalent code to move the hatch entities. I did find another post here, but I still don't get it.
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Dec 19, 2012
I'm looking for any options that could remove the hidden sections over numerous overlapping objects. I have plenty of objects that lay over each other in this design, and now my client is thinking about getting it screen printed. Is there a shortcut for this that would save me a mass amount of time? (other than using Pathfinder on each and every one?)
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Nov 25, 2013
I have multiple surfaces representing topsoil, clay and types of bedrock, and an alignment set with sample lines and sections set. Trying to use the Compute Materials using material lists and the corresponding shape style to hatch between each surface something is going wrong. With all the display settings (Plan,Section,Profile,etc) set to by layer and on a created layer(not on 0). The shape area fill is set to solid. It will not display the hatch.
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Feb 23, 2010
In sections the scale of the hatch appears very large. Attempting to change the scale via /properties/ material/ cut pattern/ fill pattern/ edit/ import/ change scale/... has no effect!
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Feb 8, 2013
My image is overlapping artboard borders,is there any easy way to cut/trim all overlapping objects??
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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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Aug 24, 2011
I have a hatch (ANSI31) enclosed by a closed polyline. Whenever I change the hatch from ANSI31 to GRAVEL some of the hatch shows up outside the boundary. The Polyline consists of both arcs and line segments, and the hatching errors are occurring within the radius of the arc segments. Changing it from Associative to Non Associative makes no change.
I am using AutoCAD 2011.
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Aug 6, 2008
I am in need of a lisp routine which will automatically pick up all hatch and solid hatch patterns within a drawing and change the colour to colour 254.
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Apr 17, 2010
It is no more possible open Hatch Edit dialog with double click on existing hatch. Now, this way opens only Properties
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Jan 2, 2013
Just downloaded Autocad 2013 and am missing quite a few of the standard hatches (siding, soldier, board and batten, etc.) What should I do to get them back. When I open old drawings with these hatches in them, they load just fine...but I am unable to hatch any new areas with these hatches (because they are not listed in the hatch library)
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Feb 22, 2013
I want to be able to add a Block Reference to a hatch. I'm adding the block reference to an ObjectIdCollection and the hatch is not taking it when using AddLoop().
So I thought maybe I needed to add the location of the polyline (curve-like) object that is member of the blockreference to the hatch, but I don't know how to get its ObjectId.
Hatch thisHatch = new Hatch();thisHatch.Layer = layerName;thisHatch.SetDatabaseDefaults();thisHatch.SetHatchPattern(patternType, patterName);thisHatch.Color = Color.FromColorIndex(ColorMethod.ByColor, colorIndex);thisHatch.Transparency = new Transparency((Byte)(255 * (100 - 60) / 100));tSpace.AppendEntity(thisHatch);transaction.AddNewlyCreatedDBObject(thisHatch, [code]........
Also, I'm trying to delete certain HatchLoop that is associated to a polyline but I don't know how to do it. I'm going through the loops in the hatch but I don't know what to do there. I wanna do this so I create a new and different hatch on top.
I think one could also copy all the loops except the one one wants to delete, but I'm not sure how to tell which one is the one I want to delete that is the one associated to a polyline or that is in certain region.
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Dec 17, 2011
I have AUTOCAD LT 2012 - windows 7 - SP1
Neither the button for Hatching or the Draw Hatch menu do not activate the HATCH DIALOG BOX?
This means I cannot Hatch?
I have also added the Hotfix for the Ribbon and it made no difference.
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May 6, 2013
I've migrated from 2005 to 2014 LT and wondered if they have added to the hatch commands. I've looked and haven't found anything. Is there a command that you can pick a hatch pattern already shown on the drawing and make that pattern the existing one to use? I sometimes have multiple hatch patterns and scales, and wanted a quick way to go from one to another without lisp help.
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Feb 11, 2012
Why is my hatch off set from what I want to hatch? I pic the points of the area in 3d i want to hatch but it ends up hatching out of the points i select?
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Sep 25, 2013
I have a task of finding the lines which are overlapping on each other (not completely). One Plines start or End point will be on another lines(without snapping). Need to find all those such lines..
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Nov 26, 2012
I'm plotting a drawing in which I have land parcels provided in the form of a connected ArcGIS shp file. The parcels are closed polygon features. I'd like to plot the parcels as phantom linetype. The problem is where neighboring parcels have common boundaries, Autocad Map does not filter out the overlapping boundary segments for the purpose of plotting.
As a result, the linetype becomes a mixture of phantom and solid lines and everything in between. I've tryed using plotstyles as well as styling the polygons. I don't think plot styles work with map features. The styling works when the lines do not overlap. Exploding the polygons and removing duplicate segments is not a realistic solution when working with data that is shared by true GIS programs like ArcGIS. I've seen some old postings that indicate this has been a problem for years.
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Mar 4, 2011
is possible to analyse the chain to see if is overlapping ?
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Jan 17, 2012
Is it possible for AutoCAD to notify you if you have overlapping dimensions.
See sample.
DRAWINGS.dwg
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Aug 2, 2011
I'm trying to hatch multiple objects in one go, most of which overlap with eachother in places. When I do this, the overlapping areas don't get hatched. I've tried selecting different options for island detection, but this doesn't seem to work.
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Dec 4, 2013
Today i had to use hatch a lot, the mission was to hatch extended and and walls that not with different hatch types.
the first thing that came up is to use wipeuot under the hatch, but its lots of work and time waste (wipeout objects never been plot-friendly).
what do you do when you have to hatch overlapping objects.
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Feb 23, 2013
During the process of drafting many lines overlap (e.g. construction lines, objects merging, etc)
Because the overlapping lines have precisely the same properties, I don't feel the need to remove them.
The issue begins when I go to plot. The overlapping lines do appear darker than lines without overlapping. This occurs a great deal in my work!
Is there a function that will merge/flatten these lines so that no more overlapping lines exist?
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Dec 18, 2012
In paper space I have a rectangular viewport showing a floorplan. I have placed another smaller viewport over the larger vp in order to show a scaled-up detail of the floorplan. However I can still see the image from the larger vp below ( as well as the smaller vp's contents ), Is it possible to lay one vp over another, blocking out the image from the vp below?
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Apr 7, 2012
In a drawing file customer wants to create 2 title block. both the title blocks should be added to the same drawing. At any point of time only one should be visible to the user. Basically users in one country will see first title block and users in another country will see second title block.
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Aug 28, 2009
Acad 2009 When you have a number of lines or layers on top of each other, what is the correct way of toggling between them when trying to select 1 in particular.
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Dec 9, 2011
9 times our of 10, I can't trim away the overlap on a pair of circles.. as every now and then the trim suddenly decides it will work!
Trim_Issue.jpg
I just can't work out why these pesky circles refuse to trim! I'm trying to merge them into one 'cloud' like shape, by removing the overlapping section from each circle.
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Sep 23, 2011
looking for a way to read in the DXF data for a surface entity in AutoCAD2012. There's plenty on reading in simple objects (e.g. 3DFace, Points, etc.) but nothing on surfaces. The data itself is also not as intuitive as I would have hoped. The DXF reference PDF from AutoDesk shows 7 possible unique entries and the data I need is most likely stored in the proprietary data. So, in short I know where it is but how can I read it?
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Jul 12, 2013
I assume it's just my autocad display but I can never tell if lines and are drawn correctly or not. I'll draw construction lines and circles and grip edit my linework to snap to the end points and arc midpoints perpindicular to the circle but there are still overlapping displays. In the attached image I've snapped to arc points to the circle and the edges of the hatch to the extension/intersection of them and this is how it still displays.
Yes, I am constantly regenning and my arc smoothness is set to 10000.
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Nov 7, 2013
Selection of overlapping viewports,I go two overlapping viewports.The issue here that I couldn't access the model space of the small viewport. Double clicking it will access the model space of the big viewport.
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Nov 25, 2012
How to solve overlapping side slope issue as in attached file. I used a conditional cut and fill with link slope to surface.
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