I just finished working in the Segment Editor and I added a scale bar to the red, 2D image. I noticed that the scale bar is very big. The red circle in the image is approximately 300µm in diameter. How do I change the size of the scale bar and the units associated with it? The images were origina…

[Screen Shot 2022-01-31 at 10.59.20 AM] It seems this screen shot didn’t make it into my first message.

It seems that you need to set the correct spacing in the image because ImageJ has lost it either during DICOM import or when it saved the data into TIFF format. You can go to Volumes module and set the correct spacing values in Volume Information section. Spacing of segmentations is not directly ed…

Thank you very much. I’ll try it. Steve

Mr. Lasso, Thank you for your help. I was able to export as a labelmap volume and edit it, but how do I convert it back to a segmentaiton.

In Data module you can right click on the labelmap to convert it to segmentation.

I supplied a before and after screen shot for reference. I must have done something wrong, although the scale bar looks correct now. What happened to the 2D images? [Screen Shot 2022-01-31 at 10.59.20 AM] [After]

Everything looks good to me. The slice viewers show cross-sections of the image with segmentations and/or labelmap volumes overlaid on it.

How to change the scale bar and units in the 2D view area

Support

steve01 January 31, 2022, 7:19pm 2

It seems this screen shot didn’t make it into my first message.

Topic		Replies	Views
how to Edit/add units per pixel to a Tiff stack? Support	7	705	December 4, 2019
Rescaling a segmentation Support segmentation	2	211	September 26, 2023
Changing image spacing of image segmentations Support segmentation	2	87	March 31, 2025
Can you change the size of the segmentation? Support segmentation	1	112	August 14, 2024
Fixing image spacing for ultrasound images Support	10	329	March 8, 2024

How to change the scale bar and units in the 2D view area

Related topics