Illustrator :: Drawing Circles From Center And Concentric
May 5, 2013
how to draw a circle with its center at the starting cursor location of the drag motion? It's given that the ellipse shape tool is chosen.Neither simultaneously depressing the shift or control key concurrent with the drag motion accomplishes this objective. any simple way to draw concentric circles each of which has a randomly chosen diameter and varying stroke width? The polar grid tool isn't relevant to this objective.
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Jun 15, 2011
I have a large .DWG with approximately 400 circles representing wells on it. The end goal is to draw an additional circle around each of these with a larger radius (150). Basically what I'm looking for is a way to automate this such that:
For (object 1 to last object) {if (object is a circle) draw new circle around it
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Jun 5, 2008
making concentic circles. how to make these.
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Nov 8, 2002
how to make concentric circles for the purposes of circular scan lines. It involved making a series of horizontal dots in a single line and rotating them through 360degs leaving the concentric circles in place.
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Jun 13, 2012
In watching videos about Photoshop CS6 I notice that the brush (or other cursor) often appears as two concentric circles: the outer circle gives some idea of the extent of the brush effect. How do I activate this double circle brush display in Photoshop CS6. I seem only to see a single circle for the brush display. I am using the "cloud" version with Windows 7.
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Jul 10, 2006
I needed to make a bunch of concentric circles (something like 30 or 40), and I used offset command; I'm wondering if there's a way to 'array offset'? It's already done and wasn't that difficult, but I just have to know..
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Mar 24, 2004
How do you smooth lines? Like if I trace something and the lines are just a touch jagged, how do I get them to look perfect? I'm using PS7.
Also, how could I make concentric circles? Or even just a hollow circle? I can use the shape tool to make a circle, but that fills it - is there a way to make it with just a 2 or 3 pixel outline and hollow in the middle?
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Feb 1, 2013
I would like to create a family crest. I have a JPG for the center, but I need two concentric circles, with text around the circumference, between the circles.
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Oct 21, 2013
How do i get the curve when drawing a concentric reducer i tried lofting but still dont get the curve.
Spoiler (Highlight to read)
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Jun 1, 2009
Is it possible to put a center mark on multiple circles instead of one at a time?
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Jul 1, 2013
I am using to export meshes to OpenGL ES for the Android. What I would like to do is place a rectangle with one corner at (1,1,0) and the other corner at (-1,-1,0) which represents the two corners of the Android screen in OpenGL ES. How would that best be done in 3D Studio MAX?
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Feb 19, 2013
change all circles of a certain diameter in a .dxf file to points. I received the following lisp file. For the last 10-12 years it has worked great. We create many custom sized parts that could be cut on a plasma (utilizing the circles for holes) or punched, assigning a crosshair tool to the point. Now we are switching to a laser, and want to etch a crosshair at this same location. Our solution has been to draw the crosshair and copy to each required location. Sometimes this may be 20 to 30 locations. Now I would like to know if there is a way to replace all of these circles with a crosshair. This could be a similar lisp file, or an easier manual operation. I know that I can select all of the circles using the filter command and specifying the radius. But I don't know how to assign the 'crosshair' to these locations. (defun c:ctopt ( / ename cnt ss) (setq ss (ssget "x" '((0 . "CIRCLE")))) (if ss (progn (setq cnt 0) (repeat (sslength ss) (setq ename (ssname ss cnt)) (if (equal (cdr (assoc 40 (entget ename))) 0.025 0.005) ;use this line for a radius 0.025 +/- 0.00015 ;(<= (cdr (assoc 40 (entget ename))) 0.05) ;use this line for a radius of 0.05 or less (progn (entmake (list '(0 . "POINT") (assoc 10 (entget ename))(assoc 8 (entget ename)))) (entdel ename) )) (setq cnt (1+ cnt)) ) ) ) (princ) )
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Jul 4, 2013
My stroke when drawing shapes is center aligned. When measuring the shape it measures from the outer edges of the shape's stroke and not from the center as usual. I dont know how to change the settings back to measure from the center of the stroke of the shape. As I said, the stroke is adjusted to the center align option...? (using Illustrator CS5)
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Nov 16, 2012
I have two adjacent circles. I created two tangent lines between them on opposite sides. I want to connect the lines to the circles. So - I make the circle into a pie, and with the node editing tool, drag the nodes around until I see the little info text go from edge to "node" where it snaps on the nope of the line.
Before I start this, the lines are perfectly tangent. When complete, the lines are no longer tangent and the circle is shifted upwards, and is moved off the perfect tangent by different amount for each line. I can see a difference at 3200% and 11000% zoom at 0.5 point lines.
This occurs if I rotate the circle, or make the circle into an arc also.
It seems that when the circle is drawn, the center point about which its rotated, and from where the arcs/pies are drawn is not exactly center. This is happening when I manually rotate it. It I rotate it giving it a specific degree in the properties bar across the top, it rotates fine. For instance, repeating this again, the arcs of the circle is below one line, and above the other live by a lesser degree.
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Mar 14, 2008
What's the easiest way to draw a circle under Photoshop CS2?
I just tried it using the elipse tool but that makes a filled round shape. I'm just trying to circle something in a picture. Used to be able to do it really easy in Photoshop 7.
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May 26, 2012
Two circles have appeared on my drawing, I cant select them to get rid of them, they scale differently to the rest of the drawing when I zoom, i.e. I zoom out and the get large, I zoom right in and they are small. Where did they come from and more importantly how can I get rid of them?
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Nov 27, 2013
I'm sure this is mind-numbingly obvious and I am overlooking it, but when I go to use the rotate tool, the center point of the rotation is defaulting to the center of the artboard, not the selected group of objects. How do I change that to default to rotating on the selection center by default?
PS. This is Illustrator CC (17.0.2) on a Mac running 10.9, if that is relevant.
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Jul 9, 2012
I am trying to make a hexagonal lattice of circles (1 micron dia, period - 3 microns) and exted it over a square cm in area atleast. The final objective is to make this as a mask pattern for the Laser fabrication/writer. So I create the pattern over a small area and use array command to extend it over a finite area (~500 microns or so). I then combine these points to a single block and then use the mirror command to extend it even further. But as soon as I reach an area of 2.5 mm square, the program seems to slow down and doesnt respond. I assume this is the limitation of my computing power to handle so many objects at once. (I have 4 GB RAM and 97 % is utilized at this time). Is there a way to circumvent this computing limitation, making use of some facility/command within AutoCAD?
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Jan 24, 2013
I am designing a piazza that most types of vehicles need to circumnavigate. On a scaled location plan, I would like to draw the scaled turning circles of cars and lorries - especially emergency vehicles.
I have the Metric Handbook beside me which has typical 90 degree turns drawn but it is not obvious how they were drawn in the first place.
I have all the vehicle dimensions that I need, I just need to know how to calculate and draw the geometry.
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May 14, 2013
I am trying to draw a circle on an angled face on a valve I made, and am not too sure of the best way to do it.
Here is a front view showing the angle. I need to use the face at the top that is on a 22* angle or so
[URL]
Here is a top view showing the 10 holes I need to make at the proper angle. The blue lines are showing where each of my holes will need to be with a fitting on it as well
[URL]
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Mar 4, 2011
When I insert a X-ref overlay, everything seems to work, but giant cross hairs with a circles appear dotted all around on the X-refed drawing, similar to spot levels (minus the hatch).
Attached an image X-ref image.jpg
How to stop this or why it seems to be scaling up the crosshairs .
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Dec 9, 2012
I'm currently using auto cad 2000 because it's required in our class. When I make circles or move or objects there are no image guide. like when I make circles only the lines are there I still have to calculate what the diameter is rather than by simply looking how big the circle is. or when I'm connecting objects, It's very hard to connect complex objects by moving them because there is no guide to where the image is suppose to be when the mouse is at a particular place.
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Sep 16, 2012
I'm attempting to use VBA to put center marks on each hole in my drawing. So far I have the following
Dim oIntent As GeometryIntent Dim oCenterOfPart As Centermark
'Add center marks to base view For Each oCurve In oBaseView.DrawingCurves '
<- need to identify Hole Features If Not oCurve.CenterPoint Is Nothing Then
If oCurve.CurveType = kCircleCurve Then 'CurveTypeEnum
[Code] .......
oBaseView is the DrawingView object representing the base view the code just placed. I also used VBA to place the projected views oTopView and oRightView. I want to add center marks to each hole when viewed from the end (as circles) and add centerlines when viewed from the top or side (as hidden lines).
I will be iterating through several models representing various handhold styles. The feet can be in many orientations, 99% of them are paralel to one of the origin planes (XY,YZ, or XZ).
This is what my code generates: (The centermarks that are selected are the ones I don't want the code to generate). This is what I WANT the code to generate:
1) How do I distinguish whether a circle curve originated because of a hole or because of another cilindrical feature?
2) How to I identify the corresponding hidden lines in the other views so I can add a center line?
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Aug 18, 2011
I found a strange behavior of AutoCAD. When I was modifying a drawing and adding dimension annotation, there suddenly come some small circles as highlighted in yellow in the screenshot.
cc.png
First, there is no way I can't select them.
Second, zooming doesn’t change their size.
What these small circles are? How to get rid of them?
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Feb 11, 2005
I'm trying to make a logo. Circular logo with an inner ring maybe 4 px wide and 15 px inside the rim of the outer circle.
Basically I want a blue circle with a yellow inside ring. What's the best way of doing this? The only thing i can think of is: creating a blue circle marquee, and then another (trying to estimate a new circle size and change the color) that is yellow, and then making another smaller blue circle inside the new one. That's just ugly.
I tried the edit/stroke but that just gave me a stroke around the outer circle; it didn't put a ring inside the circle 15 px down.
Also I tried to contract the original circle by selecting it, then Modify/contract. That's got me a selected ring, inside the circle. Now how in the world do I make that little ring yellow? It just remains selected and I can't seem to find a way to color it.
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May 18, 2007
I did this in photoshop, and it was a raster image, but i want to do it in illustrator because i need to enlarge it many times without having to make it lose quality and I just want it as a vector, and would rather have it done in illustrator because I am already doing the rest of the picture in illustrator. If you guys would please let me know how to do this picture in illustrator? I tried making every circle and fixing the opacity, but it took forever and didnt even look right! In photoshop, I picked a solid circle brush, and in the brush drop down bar thing i went to "Other Dynamics" and put "Opacity Liter" and "Flow Liter" to 100%. I just would like to know if theres a way to do it in Illustrator.
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Dec 15, 2013
I have a problem with drawing small circles in Illustrator, because when I export them they are not "smooth". The edges seem like truncated. Have a look here with "Pixel preview" turned on:
And now, setting an offset of +0.5px for X and Y, the circle is how I want it to be:
Why? Is there a way to "smooth" the circle?
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Jan 18, 2014
My circles & Squares are not normal, They look like the "shear" tool symbol..How do I reset this?
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Sep 28, 2013
I'm trying to do following action using CS6 SDK:
1 Covert the selected path into chained circles
2 Fill the selected shapes with circles
All circles are of equal size, and cannot be overlapped each other.
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Mar 14, 2013
Here is the image I am working on:
I need to know how to make it look like this:
There are two things going on in the origina: the S-shaped semi-transparent overlay, and a linear gradient that lightens on the top and bottom and darkens in the middle. Also, note the transparent space between the "outline shape" and the inner circles.
So - two things. 1) How do I apply a gradient to the entire shape, and 2) put the all-white overlay on top (overlay should be confined to the shape as well).
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May 16, 2013
I draw a circle and then want another smaller circle to snap to the path. This would produce 100% accurate smooth curve.
I added a line that snapped to an anchor point I added on the large circle. I was hoping to snap the smaller circle to the anchor point, but how can you do this without guessing where to add anchor points on the circle? What if I want to change them?
Right now I have snap to point on and snap to grid off. Align to pixel grid is also off.
method for drawing and conecting tangents?
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