# NurbsCurves not the same length **URL:** \ **Category:** Uncategorized\ **Created:** [February 22, 2019, 6:13pm UTC](https://forum.dynamobim.com/t/nurbscurves-not-the-same-length/32540 "2019-02-22T18:13:26Z")\ **Posts on this page:** 10\ **Page:** 1
**Author:** ![mix](https://avatars.discourse-cdn.com/v4/letter/m/919ad9/32.png) [@mix](https://forum.dynamobim.com/u/mix)\ **Post date:** [February 22, 2019, 6:13pm UTC](https://forum.dynamobim.com/t/nurbscurves-not-the-same-length/32540/1 "2019-02-22T18:13:26Z")
Hello, viewing these two, differently created Nurbscurves with the same degree in geometry view shows that they are exactly the same, overlapping each other, however, when i extract their curve lengths they are different by a factor of 3! What is going on here? Why arent they the same? What is this trying to tell me? ![image](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/5/5/5501aeacd9e0fdf3cc6a4c005ae2a9e29421115a.png) ---
**Author:** ![jacob.small](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/jacob.small/32/161030_2.png) [@jacob.small](https://forum.dynamobim.com/u/jacob.small)\ **Post date:** [February 23, 2019, 3:46am UTC](https://forum.dynamobim.com/t/nurbscurves-not-the-same-length/32540/2 "2019-02-23T03:46:12Z")
Can you test the distance between the two curves with a geometry.distance to node? ---
**Author:** ![mix](https://avatars.discourse-cdn.com/v4/letter/m/919ad9/32.png) [@mix](https://forum.dynamobim.com/u/mix)\ **Post date:** [February 23, 2019, 2:51pm UTC](https://forum.dynamobim.com/t/nurbscurves-not-the-same-length/32540/3 "2019-02-23T14:51:00Z")
It does not appear so… ![image](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/a/0/a0a0e7cb793b943aef20308afe4b5b33253dd0ac.png) ---
**Author:** ![jacob.small](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/jacob.small/32/161030_2.png) [@jacob.small](https://forum.dynamobim.com/u/jacob.small)\ **Post date:** [February 23, 2019, 5:57pm UTC](https://forum.dynamobim.com/t/nurbscurves-not-the-same-length/32540/4 "2019-02-23T17:57:22Z")
Might be a scale issue… let’s try this point at parameter 0 for both, then distance between those. My gut says your curve is broken and not on top of the other curve, but since we can’t see the start points for each I don’t know. Also try pulling just the points from the lists which make these two curves, then comparing the distance between those. ---
**Author:** ![mix](https://avatars.discourse-cdn.com/v4/letter/m/919ad9/32.png) [@mix](https://forum.dynamobim.com/u/mix)\ **Post date:** [February 23, 2019, 6:37pm UTC](https://forum.dynamobim.com/t/nurbscurves-not-the-same-length/32540/5 "2019-02-23T18:37:56Z")
It appears to be zero. ![image](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/f/2/f24ef603fed2e3ace16d96cb3d396f79302d051b.png) ---
**Author:** ![jacob.small](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/jacob.small/32/161030_2.png) [@jacob.small](https://forum.dynamobim.com/u/jacob.small)\ **Post date:** [February 23, 2019, 8:00pm UTC](https://forum.dynamobim.com/t/nurbscurves-not-the-same-length/32540/6 "2019-02-23T20:00:28Z")
Try making a Nurbs Curve from those point lists and check those lengths. ---
**Author:** ![mix](https://avatars.discourse-cdn.com/v4/letter/m/919ad9/32.png) [@mix](https://forum.dynamobim.com/u/mix)\ **Post date:** [February 23, 2019, 8:03pm UTC](https://forum.dynamobim.com/t/nurbscurves-not-the-same-length/32540/7 "2019-02-23T20:03:39Z")
Same thing. ☹ ![image](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/b/7/b7d69ac2c50852f4e77aae10ac8b652d88e61794.png) ---
**Author:** ![jacob.small](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/jacob.small/32/161030_2.png) [@jacob.small](https://forum.dynamobim.com/u/jacob.small)\ **Post date:** [February 23, 2019, 8:06pm UTC](https://forum.dynamobim.com/t/nurbscurves-not-the-same-length/32540/8 "2019-02-23T20:06:06Z")
What is your geometry scale setting? ---
**Author:** ![mix](https://avatars.discourse-cdn.com/v4/letter/m/919ad9/32.png) [@mix](https://forum.dynamobim.com/u/mix)\ **Post date:** [February 23, 2019, 8:06pm UTC](https://forum.dynamobim.com/t/nurbscurves-not-the-same-length/32540/9 "2019-02-23T20:06:45Z")
you mean this? ![image](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/2/0/2047500f7ce0b3961bf0f0434ed44cc9c3202790.png) ---
**Author:** ![jacob.small](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/jacob.small/32/161030_2.png) [@jacob.small](https://forum.dynamobim.com/u/jacob.small)\ **Post date:** [February 23, 2019, 8:09pm UTC](https://forum.dynamobim.com/t/nurbscurves-not-the-same-length/32540/10 "2019-02-23T20:09:15Z")
I did. Thought you might be on extra large. I can’t reproduce this from the basics geometries (recreating the points from X Y and Z values you showed), so something somewhere in your graph has corrupted your data. Try using it on a smaller project sample size and see where that gets you.