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    <title>tema Re: Can't align UCS corretly to an object en AutoCAD Forum</title>
    <link>https://forums.autodesk.com/t5/autocad-forum/can-t-align-ucs-corretly-to-an-object/m-p/7540613#M906857</link>
    <description>&lt;P&gt;Try the UCS and 3Point option (as shown in attached png):&lt;/P&gt;
&lt;P&gt;1st point is intersection&lt;/P&gt;
&lt;P&gt;2nd point is endpoint of long line&lt;/P&gt;
&lt;P&gt;3rd point is endpoint of the angle line&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P class="MsoNormal"&gt;&lt;A style="color: blue; text-decoration: underline; text-underline: single;" href="http://apps.exchange.autodesk.com/ACD/en/Detail/Index?id=appstore.exchange.autodesk.com%3aareaobjectlink_windows32and64%3aen" target="_blank"&gt;Area Object Link&lt;/A&gt; | &lt;A style="color: blue; text-decoration: underline; text-underline: single;" href="https://apps.exchange.autodesk.com/ACD/en/Detail/Index?id=appstore.exchange.autodesk.com%3addattmod_windows32and64%3aen" target="_blank"&gt;Attribute Modifier&lt;/A&gt; | &lt;A style="color: blue; text-decoration: underline; text-underline: single;" href="http://apps.exchange.autodesk.com/ACD/en/Detail/Index?id=appstore.exchange.autodesk.com%3addsetup_windows32and64%3aen" target="_blank"&gt;Dwg Setup&lt;/A&gt; | &lt;A style="color: blue; text-decoration: underline; text-underline: single;" href="https://apps.exchange.autodesk.com/ACD/en/Detail/Index?id=appstore.exchange.autodesk.com%3addcalc_windows32and64%3aen" target="_blank"&gt;Feet-Inch Calculator &lt;/A&gt;&lt;SPAN style="font-family: Arial,sans-serif; text-shadow: auto;"&gt;&lt;BR /&gt;&lt;/SPAN&gt; &lt;A style="color: blue; text-decoration: underline; text-underline: single;" href="https://apps.exchange.autodesk.com/ACD/en/Detail/Index?id=appstore.exchange.autodesk.com%3alayerapps_windows32and64%3aen" target="_blank"&gt;Layer Apps&lt;/A&gt; | &lt;A style="color: blue; text-decoration: underline; text-underline: single;" href="https://apps.exchange.autodesk.com/ACD/en/Detail/Index?id=appstore.exchange.autodesk.com%3addlist_windows32and64%3aen" target="_blank"&gt;List on Steroids&lt;/A&gt; | &lt;A style="color: blue; text-decoration: underline; text-underline: single;" href="https://apps.exchange.autodesk.com/ACD/en/Detail/Index?id=appstore.exchange.autodesk.com%3addzmscl_windows32and64%3aen" target="_blank"&gt;VP Zoom Scales&lt;/A&gt; | &lt;A style="color: blue; text-decoration: underline; text-underline: single;" href="https://apps.exchange.autodesk.com/ACD/en/Home/Index" target="_blank"&gt;Exchange App Store&lt;/A&gt;&lt;/P&gt;</description>
    <pubDate>Mon, 13 Nov 2017 21:21:08 GMT</pubDate>
    <dc:creator>paullimapa</dc:creator>
    <dc:date>2017-11-13T21:21:08Z</dc:date>
    <item>
      <title>Can't align UCS corretly to an object</title>
      <link>https://forums.autodesk.com/t5/autocad-forum/can-t-align-ucs-corretly-to-an-object/m-p/7540465#M906844</link>
      <description>&lt;P&gt;I want to align one of the axes to the line.&lt;/P&gt;
&lt;P&gt;The origin now is on the line.&lt;/P&gt;
&lt;P&gt;I use align UCS to object but it doesn't align the axes&lt;/P&gt;</description>
      <pubDate>Mon, 13 Nov 2017 20:22:39 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/autocad-forum/can-t-align-ucs-corretly-to-an-object/m-p/7540465#M906844</guid>
      <dc:creator>Karol-Or</dc:creator>
      <dc:date>2017-11-13T20:22:39Z</dc:date>
    </item>
    <item>
      <title>Re: Can't align UCS corretly to an object</title>
      <link>https://forums.autodesk.com/t5/autocad-forum/can-t-align-ucs-corretly-to-an-object/m-p/7540475#M906845</link>
      <description>&lt;P&gt;HI&amp;nbsp;&lt;a href="https://forums.autodesk.com/t5/user/viewprofilepage/user-id/936694"&gt;@Karol-Or&lt;/a&gt;,&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;I rotate the UCS on the Z axis. Is this what you are looking to do?&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Capture.PNG" style="width: 400px;"&gt;&lt;img src="https://forums.autodesk.com/t5/image/serverpage/image-id/425586i73995696A6F0BC9E/image-size/medium?v=v2&amp;amp;px=400" role="button" title="Capture.PNG" alt="Capture.PNG" /&gt;&lt;/span&gt;&lt;/P&gt;
&lt;P&gt;&lt;SPAN style="color: #808000;"&gt;Please select the &lt;STRONG&gt;Accept as Solution&lt;/STRONG&gt; button if my post solves your issue or answers your question.&lt;/SPAN&gt;&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Mon, 13 Nov 2017 20:28:15 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/autocad-forum/can-t-align-ucs-corretly-to-an-object/m-p/7540475#M906845</guid>
      <dc:creator>john.vellek</dc:creator>
      <dc:date>2017-11-13T20:28:15Z</dc:date>
    </item>
    <item>
      <title>Re: Can't align UCS corretly to an object</title>
      <link>https://forums.autodesk.com/t5/autocad-forum/can-t-align-ucs-corretly-to-an-object/m-p/7540538#M906852</link>
      <description>&lt;P&gt;I don't mean that line, the vertical long.&lt;/P&gt;
&lt;P&gt;I attached a clean drawing&lt;/P&gt;</description>
      <pubDate>Mon, 13 Nov 2017 20:54:38 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/autocad-forum/can-t-align-ucs-corretly-to-an-object/m-p/7540538#M906852</guid>
      <dc:creator>Karol-Or</dc:creator>
      <dc:date>2017-11-13T20:54:38Z</dc:date>
    </item>
    <item>
      <title>Re: Can't align UCS corretly to an object</title>
      <link>https://forums.autodesk.com/t5/autocad-forum/can-t-align-ucs-corretly-to-an-object/m-p/7540613#M906857</link>
      <description>&lt;P&gt;Try the UCS and 3Point option (as shown in attached png):&lt;/P&gt;
&lt;P&gt;1st point is intersection&lt;/P&gt;
&lt;P&gt;2nd point is endpoint of long line&lt;/P&gt;
&lt;P&gt;3rd point is endpoint of the angle line&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P class="MsoNormal"&gt;&lt;A style="color: blue; text-decoration: underline; text-underline: single;" href="http://apps.exchange.autodesk.com/ACD/en/Detail/Index?id=appstore.exchange.autodesk.com%3aareaobjectlink_windows32and64%3aen" target="_blank"&gt;Area Object Link&lt;/A&gt; | &lt;A style="color: blue; text-decoration: underline; text-underline: single;" href="https://apps.exchange.autodesk.com/ACD/en/Detail/Index?id=appstore.exchange.autodesk.com%3addattmod_windows32and64%3aen" target="_blank"&gt;Attribute Modifier&lt;/A&gt; | &lt;A style="color: blue; text-decoration: underline; text-underline: single;" href="http://apps.exchange.autodesk.com/ACD/en/Detail/Index?id=appstore.exchange.autodesk.com%3addsetup_windows32and64%3aen" target="_blank"&gt;Dwg Setup&lt;/A&gt; | &lt;A style="color: blue; text-decoration: underline; text-underline: single;" href="https://apps.exchange.autodesk.com/ACD/en/Detail/Index?id=appstore.exchange.autodesk.com%3addcalc_windows32and64%3aen" target="_blank"&gt;Feet-Inch Calculator &lt;/A&gt;&lt;SPAN style="font-family: Arial,sans-serif; text-shadow: auto;"&gt;&lt;BR /&gt;&lt;/SPAN&gt; &lt;A style="color: blue; text-decoration: underline; text-underline: single;" href="https://apps.exchange.autodesk.com/ACD/en/Detail/Index?id=appstore.exchange.autodesk.com%3alayerapps_windows32and64%3aen" target="_blank"&gt;Layer Apps&lt;/A&gt; | &lt;A style="color: blue; text-decoration: underline; text-underline: single;" href="https://apps.exchange.autodesk.com/ACD/en/Detail/Index?id=appstore.exchange.autodesk.com%3addlist_windows32and64%3aen" target="_blank"&gt;List on Steroids&lt;/A&gt; | &lt;A style="color: blue; text-decoration: underline; text-underline: single;" href="https://apps.exchange.autodesk.com/ACD/en/Detail/Index?id=appstore.exchange.autodesk.com%3addzmscl_windows32and64%3aen" target="_blank"&gt;VP Zoom Scales&lt;/A&gt; | &lt;A style="color: blue; text-decoration: underline; text-underline: single;" href="https://apps.exchange.autodesk.com/ACD/en/Home/Index" target="_blank"&gt;Exchange App Store&lt;/A&gt;&lt;/P&gt;</description>
      <pubDate>Mon, 13 Nov 2017 21:21:08 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/autocad-forum/can-t-align-ucs-corretly-to-an-object/m-p/7540613#M906857</guid>
      <dc:creator>paullimapa</dc:creator>
      <dc:date>2017-11-13T21:21:08Z</dc:date>
    </item>
    <item>
      <title>Re: Can't align UCS corretly to an object</title>
      <link>https://forums.autodesk.com/t5/autocad-forum/can-t-align-ucs-corretly-to-an-object/m-p/7540615#M906858</link>
      <description>&lt;P&gt;I believe what it's doing is using an endpoint of the Line as the new-UCS &lt;EM&gt;origin&lt;/EM&gt;, but using the Line's &lt;EM&gt;extrusion direction&lt;/EM&gt;&amp;nbsp; for the axis directions from there.&amp;nbsp; Since a Line is not "locked into" the XY plane of the current UCS when it's drawn, it can have a Z-direction difference between its ends, with its extrusion direction not perpendicular to its length.&amp;nbsp; It doesn't define a plane, but it still has an extrusion direction from when it was drawn.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Instead of using&amp;nbsp;the OBject option in the UCS command, just pick two points on the Line [you can specify a third point or &amp;lt;accept&amp;gt; its assumption for the last prompt], and the X axis will be aligned with&amp;nbsp;the Line's direction.&lt;/P&gt;</description>
      <pubDate>Mon, 13 Nov 2017 21:21:28 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/autocad-forum/can-t-align-ucs-corretly-to-an-object/m-p/7540615#M906858</guid>
      <dc:creator>Kent1Cooper</dc:creator>
      <dc:date>2017-11-13T21:21:28Z</dc:date>
    </item>
    <item>
      <title>Re: Can't align UCS corretly to an object</title>
      <link>https://forums.autodesk.com/t5/autocad-forum/can-t-align-ucs-corretly-to-an-object/m-p/7543413#M906994</link>
      <description>&lt;P&gt;I never understood the Extrusion Direction, how is it created?&lt;/P&gt;</description>
      <pubDate>Tue, 14 Nov 2017 16:52:24 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/autocad-forum/can-t-align-ucs-corretly-to-an-object/m-p/7543413#M906994</guid>
      <dc:creator>Karol-Or</dc:creator>
      <dc:date>2017-11-14T16:52:24Z</dc:date>
    </item>
    <item>
      <title>Re: Can't align UCS corretly to an object</title>
      <link>https://forums.autodesk.com/t5/autocad-forum/can-t-align-ucs-corretly-to-an-object/m-p/7543635#M907018</link>
      <description>&lt;BLOCKQUOTE&gt;&lt;HR /&gt;&lt;a href="https://forums.autodesk.com/t5/user/viewprofilepage/user-id/936694"&gt;@Karol-Or&lt;/a&gt; wrote:&lt;BR /&gt;
&lt;P&gt;I never understood the Extrusion Direction, how is it created?&lt;/P&gt;
&lt;HR /&gt;&lt;/BLOCKQUOTE&gt;
&lt;P&gt;It's a unit vector&amp;nbsp;representing the direction that the Z axis "aims" in World Coordinates for an object.&amp;nbsp; If you Extrude something with a positive extrusion distance, it's the direction that extrusion&amp;nbsp;extends from the object; or, if you give something Thickness, it's the direction the thickness extends.&amp;nbsp; If you're drawing in the WCS, everything's extrusion direction when drawn is 0,0,1 [or, as expressed in entity data lists, &lt;STRONG&gt;(210 0.0 0.0 1.0)&lt;/STRONG&gt; -- it's also the VLA "Normal" Property].&amp;nbsp; It will be different if something is drawn in a&amp;nbsp;UCS whose XY plane is not parallel to the WCS XY plane, or if something has been Rotated 3D-wise from its original drawn position.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Some things&amp;nbsp;[e.g. 3DPolylines] "have" one, from when they were drawn, that's kind of meaningless from the point of view of setting a UCS, since a 3DPolyline does not define one and can't be given Thickness [although you can Extrude one -- you get Surfaces rather than a 3D Solid].&amp;nbsp; Some things&amp;nbsp;[e.g. non-planar Splines] don't have one at all.&amp;nbsp; Lines are peculiar because they can have delta-Z difference &lt;EM&gt;without&lt;/EM&gt;&amp;nbsp; their extrusion direction being perpendicular to&amp;nbsp;a plane they lie in,&amp;nbsp;the way it must be for many object types [Circles, Arcs, 2D Polylines, Text].&lt;/P&gt;</description>
      <pubDate>Tue, 14 Nov 2017 17:55:32 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/autocad-forum/can-t-align-ucs-corretly-to-an-object/m-p/7543635#M907018</guid>
      <dc:creator>Kent1Cooper</dc:creator>
      <dc:date>2017-11-14T17:55:32Z</dc:date>
    </item>
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