AutoCAD .NET :: Numbering Closed Polyline Clockwise Or Counter Clockwise
Nov 29, 2013
I have some closed polyline in a rectangular area like below screen shot. I want numbering these polylines counter clockwise or clockwise by selecting a reference polyline. In the below screen shot , I have highlighted a polyline (red marked). So , first I select that polyline and ask to numbering other polylines in couter clockwise.
The result of my requirement should be like below screen shot. how to do that? sample code in VB
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Mar 23, 2010
How can i test a polyline if its clockwise or counterclockwise? I have a routine that gets the area of polylines then if clockwise,the area is positive and negative if not. But I dont want to get the area just to test if its clockwise or not.
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Sep 7, 2013
I am trying to set up the bulge for a polyline, in order to set up the bulge currecty I need to know if the polyline was created clockwise or counterclockwise.
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Jul 28, 2013
Deriving “counter clockwise” azimuth from “clockwise,I’m wondering if there is a technique to automatically derive the counter clockwise azimuth from the clockwise or vice versa.
Software: AutoCAD 2014, AutoCAD C3D, AutoCAD M3D, Revit
Windows 7 (Ultimate 64 bits),
Firefox 20.0,
Kaspersky 2013.
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Apr 9, 2013
I have this
Matrix3d cur = ed.CurrentUserCoordinateSystem;
Vector3d x = new Vector3d(1, 0, 0);
Vector3d y = new Vector3d(0, 1, 0);
Point3d o = new Point3d(0, 0, 0);
[Code] .....
Code is rotating well my model, but it's zooming to bad point. I want to zoom to the point from previous view, so I'm transforming it by new UCS - unfortunately something is going wrong (it's not this point what I want).
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Jan 10, 2006
I'm using the liquify tool to fit a fake tattoo to a face, and I want to twist part of the tattoo to adjust for perspective. Unfortunately, the twirl tool in liquify is in fact a "Twirl Clockwise" tool- Counter Clockwise doesn't seem to be an option!
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Apr 5, 2013
When using 3D pattern, and specifying a negative angle for counter clockwise, with an angle less than 360 degrees ( eg, 90 degrees ) the pattern will be spread over 360 degrees anyway.
Also, the directions in the application are wrong. negative angles are for counterclockwise, not clockwise.
Workaround: Make all patterns clockwise, and reverse the direction of the axis around which it rotates. This will achieve the desired outcome.
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Sep 5, 2012
When I open any image, photoshop rotates the image 90 clockwise by itself. All the other programs (even windows imageview) dont do that. Only photoshop does that. I can open the photo in any other application and they are fine, but when I open them in Photoshop CS5, they get rotated.
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Jul 13, 2013
I have an avatar which is positioned correctly in PS & in Preview. When I insert that in my Avatar on this forum, it is rotated 90 deg clockwise! ? When I rotate it in PS and load as an avatar, it appears the way it is rotated. ? Very perplexing.
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Nov 19, 2012
I have an image, and I want to add some text along a curved path beneath it. Imagine the motto beneath a coat of arms, or a product or company name beneath a logo.
Now, I tried using the text tool to add the text along a path, and I think that I now understand how that works.
Now it turns out that there is a feature missing that I would like to see, which is that text justification should make the text conform to the ends or centre of the path... by this, I mean that if I draw a path and the text is too short to fill the whole of the path, I should be able to centre the text along the path.
The way around this that came to mind is that if the path is a circle then I can place my text starting anywhere, and then rotate that layer to centre the text beneath the image.
So I make a circle selection, and convert the selection to a path... but the path seems to start at the top of the circle (I don't now what you want to call it: 0°, 12 o'clock, top dead centre, North?) and go clockwise... meaning that if I rotate my text to be below the image it will be upside down.
My work-round is to create a temporary layer and draw a circle on it, then use that as a guide to create a path along part of the circle in an anti-clockwise direction.
But I thought that there might be a mechanism for easily swapping the start and end positions of a path,another, better way if placing text below an image,a way of centring text along a path.
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Dec 6, 2005
Need to create the text as below. (i.e i need to put my project name in Clock Wise what's the way to do it in photoshop ....
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Apr 7, 2011
Rotated text.cdr
How can I stop new text boxes being rotated? When I make a new text box (or start typing artistic text) using the text tool, the box (or artistic text) is rotated 90° clockwise. The tabs also show on the left hand ruler instead of the top one. I have looked at all the options in the Tools menu but there does not seem to a way of changing this. I have attached a CorelDraw file as an example.
I am using CorelDraw 14.0.0.701 from Graphics Suite 4. My PC is running Windows XP Pro, Service Pack build 2600.
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Apr 10, 2012
I have used PEDIT to join multiple polylines, which now appear as polylines. But when I use QSELECT to show all open (non-closed) section, one polyline still shows up as open.
I've attached the file I'm working on. The polyline in question is the green outline on the object on the right.
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Jul 3, 2012
Is there a methoed or trick to realize a polyline is closed or not?
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Aug 7, 2013
I have closed polyline:
Polyline rectangle = new Polyline();rectangle.AddVertexAt(0, rectangleTopLeft, 0, 0, 0);rectangle.AddVertexAt(0, rectangleBottomLeft, 0, 0, 0);rectangle. AddVertexAt(0, rectangleBottomRight, 0, 0, 0); rectangle.AddVertexAt(0, rectangleTopRight, 0, 0, 0); rectangle.Closed = true;
How can I make it like a hatch(to fill it up)?
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May 16, 2013
Is there a command or lisp that will allow you to select a closed polyline and trim everything outside of it even if the items are blocks that aren’t exploded?
I’ve tried EXTRIM but that fails on blocks.
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Mar 2, 2010
When I try to extrude this closed polyline (yes it is closed) I get the message "Cannot sweep or extrude a self-intersecting curve." I do this sort of extrusion all the time (closed polylines with various geometry) and usually have no trouble.
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Aug 3, 2011
I've been using the admittedly pieced together code in order to insert border blocks around a closed polyline. Yhe problem I'm having is that when the Block angle is say "zero" the block is inserted the same way both on top and below the polyline. Since the blocks surround the polyline the blocks on the downside should have an additional 180 degree rotation. How to deduct that the portion of the polyline is in a certain quadrant and adjust the insertion angle as necc? I 'm not sure thats even the best approach.
Dim pso As PromptStringOptions = New PromptStringOptions("Enter name of block to create reference: ")
Dim pr As PromptResult = myEd.GetString(pso)
Dim blkName As String = pr.StringResult
'If (!bt.Has(blkName)) Then
[Code] ....
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Aug 13, 2013
I have a method for inserting a vertex to a polyline. But this does not work for closed polylines for the case shown below. The code fails if the point is on the last edge of the polyline.
public void AddVertexOnPolyline(Point3d addPoint,Polyline editPolyline) { Document acDoc = Autodesk.AutoCAD.ApplicationServices.Core.Application.DocumentManager.MdiActiveDocu
[Code].....
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May 23, 2011
Is there a way to select objects within a closed polyline? I thought there was but I can't remember how to do it.
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Oct 31, 2013
Presently the "AREA" of a closed polyline is in "sq-in" first, THEN "sq ft".
For everything I do, and likely others, I need sq ft - without having to waste time and roll my cursor over the results.
Is there ANY way to change this default to have sq ft FIRST!??
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Jul 17, 2013
I was wondering if there is a settings for the displayed values in a polyline's properties. Such as area. Normally it will display square feet but I would like for it to also display acres. I know it a simple conversion, but over the course of a year or more it could save me alot of time.
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Mar 14, 2012
I need a lisp that can remove all objects (lines, polylines, blocks etc.) outside of a polyline. polyline is closed and shape is variable, so not rectangle.
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May 13, 2011
I cant do booleans with polylines, for that I need to convert them to regions which I dislike because I lose edit vertex capabilities right? Also, from a region, how can I convert a region to a closed polyline in one go.
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Jul 6, 2012
I am trying to find a command that will hatch the inner edge of a complex closed poly line, rather than hatch the entire area inside the poly line.
When I have simple shapes such as a rectangle I create a smaller rectangle inside the first that is 1' (or whatever I want my hatched area to be) smaller on all sides than the first rectangle. I hatch by selecting the two rectangles; I change the "Associative" hatch property to "No" and then delete the inner rectangle.
My problem now is that I have a complex closed poly line that I would like to hatch the inner perimeter with a set thickness, say 1 foot. Is there an easy way to hatch a inner boundary of a closed poly line or to recreate a scaled down copy of the poly line that is a set distance smaller all around. I hope I have conveyed the question clearly enough.
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Oct 10, 2012
I can draw a closed polyline representing a closed area.
I can then toggle its 'closed' property and it seems to make no difference. area is same, I can extrude or create regions, I can hatch in either case.
in which specific situations we should bother about whether a polyline is closed or not?
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Jun 20, 2013
I want to find the cardinal points ( N, S, E, W) of each face of a closed polyline, how?
Windows 7 (x64)
AutoCAD 2012 (x64)
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Aug 29, 2013
I'm trying to calculate the principal moments (and section modulus) of a slection of closed polylines.
On this blog, I read that there are some new classes and functions in the AutoCad 2014 objectARX that can do this.
The one that interests me the most is 'RegionAreaProperties.PrincipalMoments Property'.
However with my limited programming skills, I can't get it to work in vb.net.
I thought is was just a property of a region, but something like 'myregion.RegionAreaProperties.PrincipalMoments' does not work.
With the code I already have I use a selectionfilter to select multiple closed polylines. I can convert these to regions if nescesary. But what is the next step? I can't find any samples of it. Not even in the Autodesk Developer's Guide.
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May 23, 2012
I have linked my drawing to a database with text inside a closed polyline. Is there a way to have the area of the closed polyline stored in the database as a live area.
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May 14, 2009
I drew a very complicated 2-D plot this afternoon. The most majority of the plot is composed of different straight lines, arcs. Then I used the polyline function to join them together to form a closed single polyline (Modify->object->polyline).
Later on I want to change something in part of the polyline. Then I used the 'pedit' again, I chose 'open'. But the whole polyline won't break into its original segments. I tried through all the menus, just cannot find the right tool for this purpose.
Does it mean I have to start over from scratch to redraw the whole plot?
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Mar 8, 2012
I am a landscape architect, and am trying to use bushy linetypes to delineate blobs of mass plantings. I created my custom line types, and tweaked them to the point where they look the way i want, but whenever i have a curve the line type faces in not outside the closed polyline. all of my shapes are closed poly lines, and i need the linetype to face out other wise it looks weird. I am attaching a picture the strait line to the right is the way that it is supposed to look, but in the circle you can see how the points are all facing in to the middle of the circle? reversing the direction dose nothing, and using a or u in the place of r in the linetype shape code doesn't work either below is the line types code and image.
*Curveypines, Curvey zigzag
A,.0001,-0.0,[a,curvya.shx,s=.01,r=0.0,x=0,y=0],-.25,[b,curvyb.shx,s=.01,r=0.0,x=0,y=0],-0.0,[a,curvya.shx,s=.015,r=0.0,x=0,y=0],-.355,[b,curvyb.shx,s=.015,r=0.0,x=0,y=0],-0.0
Screen shot 2012-03-07 at 4.30.48 PM.jpg
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