# I changed the grayscale scalar of each Dicom by volume drawing, but the contour lines actually intersected after reconstruction, resulting in multiple contours on a surface. How to only see one contour

**URL:** https://discourse.vtk.org/t/i-changed-the-grayscale-scalar-of-each-dicom-by-volume-drawing-but-the-contour-lines-actually-intersected-after-reconstruction-resulting-in-multiple-contours-on-a-surface-how-to-only-see-one-contour/3043
**Category:** Web
**Tags:** proposal
**Created:** [April 14, 2020, 3:10am UTC](https://discourse.vtk.org/t/i-changed-the-grayscale-scalar-of-each-dicom-by-volume-drawing-but-the-contour-lines-actually-intersected-after-reconstruction-resulting-in-multiple-contours-on-a-surface-how-to-only-see-one-contour/3043 "2020-04-14T03:10:30Z")
**Posts on this page:** 1
**Page:** 1

<div class="post-metadata">

### Author: ![huatianyu](https://discourse.vtk.org/user_avatar/discourse.vtk.org/huatianyu/32/1630_2.png) [@huatianyu](https://discourse.vtk.org/u/huatianyu)
#### Post date: [April 14, 2020, 3:10am UTC](https://discourse.vtk.org/t/i-changed-the-grayscale-scalar-of-each-dicom-by-volume-drawing-but-the-contour-lines-actually-intersected-after-reconstruction-resulting-in-multiple-contours-on-a-surface-how-to-only-see-one-contour/3043/1 "2020-04-14T03:10:30Z")

</div>

![image](https://discourse.vtk.org/uploads/default/original/2X/7/7182e3fdacdfaf95cdf3b225d216102831f6b169.png)