AutoCAD Civil 3D General Discussion

AutoCAD Civil 3D General Discussion

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scottbhicks
Posts: 4
Registered: ‎08-29-2012
Message 1 of 12 (361 Views)

Color banding of points

361 Views, 11 Replies
08-29-2012 01:08 PM

I'm trying to determine a way of color banding my point files so that different ranges of elevations are visually represented by different colors.  See example below that I believe was done with a different software program.  

 

Any ideas?

 

Thanks,

Scott

 

 

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BrianHailey
Posts: 2,796
Registered: ‎04-27-2005
Message 2 of 12 (356 Views)

Re: Color banding of points

08-29-2012 01:54 PM in reply to: scottbhicks

As long as you don't have negative values and you don't need the ranges to change very often, it could be done with several expressions and components but I don't know any way to automate it. 

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owenmull
Posts: 356
Registered: ‎09-06-2011
Message 3 of 12 (344 Views)

Re: Color banding of points

08-29-2012 02:37 PM in reply to: scottbhicks

You could do it using Lord Hailey's method, of course. 

If you don't know about / don't want to learn about / don't have time to learn about expressions, probably what I would do is pop your points into a spreadsheet editor, like Excel, and sort and break them into seperate individual files according to whatever pattern you are desiring, and then add each file as a seperate Point Group in the drawing. You can then control the various Point Groups to display more how you want them.

 

Of course, for sheer CAD brilliance and impressing the ladies, Lord Hailey's solution is certainly flashier and more manly. 

 

That's what I would do, anyway.

 

HTH

-Owen
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Jeff_M
Posts: 4,317
Registered: ‎07-22-2003
Message 4 of 12 (336 Views)

Re: Color banding of points

08-29-2012 03:43 PM in reply to: scottbhicks

Using 4 Point Groups and 4 Child label styles I was able to get this:

8-29-2012 3-41-15 PM.png

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cbaildon001
Posts: 156
Registered: ‎06-28-2008
Message 5 of 12 (324 Views)

Re: Color banding of points

08-29-2012 07:58 PM in reply to: owenmull

No need to take the points through Excel. You can include points in a point group based on their elevation.

 

Regards

Caleb Baildon
Surveyor
Opus International Consultants Ltd
Greymouth, New Zealand
Civil3D 2015 - Windows7 64bit
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Jeff_M
Posts: 4,317
Registered: ‎07-22-2003
Message 6 of 12 (322 Views)

Re: Color banding of points

08-29-2012 08:10 PM in reply to: cbaildon001

Which is precisely what I did to come up with the image I posted. Took about 3 minutes to setup the label styles and create the point groups. These could then be saved to a DWT for use in future drawings.

Jeff_M, also a frequent Swamper
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sboon
Posts: 2,114
Registered: ‎11-08-2005
Message 7 of 12 (314 Views)

Re: Color banding of points

08-29-2012 09:51 PM in reply to: Jeff_M

You could even skip the point groups.  Open the point editor, sort by elevation, select a group of points and assign the first label style.  Select points in the next elevation range and assign the second style etc.

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neilyj
Posts: 3,756
Registered: ‎08-01-2008
Message 8 of 12 (307 Views)

Re: Color banding of points

08-30-2012 12:30 AM in reply to: Jeff_M

Jeff - What do the Child Styles involve - never been very sure and hence never use them??

 

I'm working on a similar task at the moment and I set my point styles to Layer 0 and Colour to ByBlock and in points editor I just select the relevant points and assign the layer as required (the layer has the correct colour)

neilyj
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Jeff_M
Posts: 4,317
Registered: ‎07-22-2003
Message 9 of 12 (291 Views)

Re: Color banding of points

08-30-2012 06:10 AM in reply to: neilyj

For this quick example I just created 4 child styles of the ElevationOnly label style, giving each one a name of "Elevation Only - 92", "Elevation Only - 93", etc. Then I changed the text component color to the color I desired for that range. 

 

Using Child Styles insures that if the Parent style changes, other than the properties specifically changed in the child styles, so, too, will the children.

 

And by using the Point Groups it all stays dynamic.

Jeff_M, also a frequent Swamper
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neilyj
Posts: 3,756
Registered: ‎08-01-2008
Message 10 of 12 (264 Views)

Re: Color banding of points

08-30-2012 12:25 PM in reply to: Jeff_M

Thanks Jeff - I'll look more at child styles I think

neilyj
(No connection with Autodesk other than using the products in the real world)


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