measurement log in Photoshop Tutorial

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By Andrew Buckle, Updated : 2022


How to use the measurement log in Photoshop, how to get data from selections, counts, measurements etc



1. Where is the measurement log

The measurement log in Photoshop can be found in the window menu. Open it and by default, nothing will be in it.


2. Measurement log panel in Photoshop

The panel includes a single button for 'record measurements' and that only activates when you add something to your document that it can use such as a selection, a ruler or a count. It will become active, if you want to save the data to the log then click it.


The right side menu allows you to change the scale used as well as the items recorded via the 'select data points'. You can also record measurements via the right side menu as well as via a shortcut. The menu also allows you to export the current selected items and save the data to a text file which can then be imported into Numbers or Excel etc


The right side menu also allows you to select all the entries as well as delete the selected entries


You can see as you add data, that the panel includes the date, file name as well as angle and scale and length etc depending on the tool being recorded.


3. Selections recorded in Photoshop

You can create a selection using a variety of selection tools and the record measurements will record the number of selections, the perimeter, the circularity, the area, the gray scale minimum and maximum and more. It records the sum of all the selections as well as the individual selections


4. Ruler tool

The ruler tool only adds one ruler at a time (wish it would add more) but record measurements records the file, date etc as well as the angle and length so great for recording the distance between things. Weirdly it does not record the origin or end points. Note that you have to click the record measurements each and every time if you want to add an entry to the log. You can move the ruler using the ruler tool and then record it again.


5. Count tool

The count tool is recorded but it only records the number of counts added and not the positions etc


6. Image menu and analysis

The menu offers much the same as the right side menu but it does offer one additional option and that place scale marker where a type / layer is added in a group indicating the scale used. It also offers quick access to the ruler tool and count tool (but weirdly doesn't offer selections)