How to digitise crystal outlines with jmicrovision


Jmicrovision - New version of this free java program for 2019 – multi-platform: Windows/Mac/Linux

File / New Project – from Image - Select main image (convert if necessary)

Click Project preferences  and select these parameters    

Calibrate image – select from yellow box with arrows

   

If enter a distance then select line mode  

Trace out the line.

If want to add another image of same section:

Use lower ‘File’ Button à Import Image

If image is not the same as main image – shifted, different size, etc. –then use ‘Different coordinates’

Add file, then add at least 3 points that link the two images.

Press ‘Process Rectification’ then ‘Close’

You can select the images at the top

 

To see both images select ‘Multiview’

Press ‘New Multiview” and select 1 view

Select image from list in ‘Multiview. – see on right side.

Measurements – Outline Crystals

Select 2D measurement

Select shape button 

Click shape on image

 

Double click to finish

Select shape button   again for other crystals

Look at data – click data viewer

Export file to Excel – edit and export of CSDCorrections from Excel.

If you use ‘CSV file’ then JMV uses a semi-colon as separator. In some versions of Excel (US/Canada, etc) you must add the following line at the top of the file (with Notepad etc.) in order to import the file correctly.

sep=;

If that does not work just change all the ; to , in Notepad.

Michael D Higgins, October 2015