Showing coordinates in pixel units in the status bar

[Thomas Julou]

Hello,

From the image help: "If a spatial scale has been defined in Image▷Properties… [P]↓ or Analyze▷Set Scale…↓, selection properties are displayed in the Status bar↑ in calibrated units. Resizing or moving while holding down Alt forces this information to be displayed in pixels.”

This feature of displaying pixel units when alt is pressed down has disappeared with a recent release for my fiji (IJ2.0.0-rc30/1.49v). Is this a feature? is there any other way to achieve this (other than removing units in Properties)?

Thank you in advance for your help,
Thomas
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[Michael Entrup]

Hi Thomas,

for me this works fine with the latest version of Fiji
(IJ2.0.0-rc30/1.49v) and the included Java 1.6.0_24 on Win7 64bit.
When I hold down [Alt] the status bar shows pixel coordinates (x,y and
z) and pixel sizes. After releasing [Alt] everything switches back to
calibrated units.

Best regards
Michael


Am 01.07.2015 um 21:27 schrieb Thomas Julou:

> Hello,
>
>  From the image help: "If a spatial scale has been defined in Image▷Properties… [P]↓ or Analyze▷Set Scale…↓, selection properties are displayed in the Status bar↑ in calibrated units. Resizing or moving while holding down Alt forces this information to be displayed in pixels.”
>
> This feature of displaying pixel units when alt is pressed down has disappeared with a recent release for my fiji (IJ2.0.0-rc30/1.49v). Is this a feature? is there any other way to achieve this (other than removing units in Properties)?
>
> Thank you in advance for your help,
> Thomas
> --
> ImageJ mailing list: http://imagej.nih.gov/ij/list.html
>

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[Michael Schmid]

Hi Thomas,

at least it's not an issue of plain ImageJ; it works well with ImageJ 1.49v; Java 1.6.0_65 [64-bit]; Mac OS X 10.6.8.
Note that you have to move the mouse a bit after pressing 'ALT'. It won't update the display when you just press or release the ALT key, only when you move the cursor.

Michael
________________________________________________________________
On Jul 1, 2015, at 21:27, Thomas Julou wrote:

> Hello,
>
> From the image help: "If a spatial scale has been defined in Image▷Properties… [P]↓ or Analyze▷Set Scale…↓, selection properties are displayed in the Status bar↑ in calibrated units. Resizing or moving while holding down Alt forces this information to be displayed in pixels.”
>
> This feature of displaying pixel units when alt is pressed down has disappeared with a recent release for my fiji (IJ2.0.0-rc30/1.49v). Is this a feature? is there any other way to achieve this (other than removing units in Properties)?
>
> Thank you in advance for your help,
> Thomas
> --
> ImageJ mailing list: http://imagej.nih.gov/ij/list.html

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[Rasband, Wayne (NIH/NIMH) [E]]

> On Jul 6, 2015, at 11:58 AM, Michael Schmid <[hidden email]> wrote:
>
> Hi Thomas,
>
> at least it's not an issue of plain ImageJ; it works well with ImageJ 1.49v; Java 1.6.0_65 [64-bit]; Mac OS X 10.6.8.
> Note that you have to move the mouse a bit after pressing 'ALT'. It won't update the display when you just press or release the ALT key, only when you move the cursor.

With the latest ImageJ daily build (1.50a13), the status bar is updated when you press or release the alt key.

-wayne

> ________________________________________________________________
> On Jul 1, 2015, at 21:27, Thomas Julou wrote:
>
>> Hello,
>>
>> From the image help: "If a spatial scale has been defined in Image▷Properties… [P]↓ or Analyze▷Set Scale…↓, selection properties are displayed in the Status bar↑ in calibrated units. Resizing or moving while holding down Alt forces this information to be displayed in pixels.”
>>
>> This feature of displaying pixel units when alt is pressed down has disappeared with a recent release for my fiji (IJ2.0.0-rc30/1.49v). Is this a feature? is there any other way to achieve this (other than removing units in Properties)?
>>
>> Thank you in advance for your help,
>> Thomas

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[Thomas Julou]

Hello,

Sorry for my delayed answer.

> for me this works fine with the latest version of Fiji
> (IJ2.0.0-rc30/1.49v) and the included Java 1.6.0_24 on Win7 64bit.
> When I hold down [Alt] the status bar shows pixel coordinates (x,y and
> z) and pixel sizes. After releasing [Alt] everything switches back to
> calibrated units.

Yes, this is the behaviour I am used to and that I lost recently on one of the machine I use (a unix server). It has not come back after upgrading to (IJ2.0.0-rc31/1.49v). JRE is 1.6.0_24 while on my mac laptop (where the same IJ version displays coordinates appropriately) it is 1.7.0_79. Can the JRE version explain the problem?

Any hint about how I could fix this on my unix machine / send more info for debugging?
Thanks for your help,

Thomas
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[Rasband, Wayne (NIH/NIMH) [E]]

> On Jul 13, 2015, at 3:36 AM, Thomas Julou <[hidden email]> wrote:
>
> Hello,
>
> Sorry for my delayed answer.
>
>> for me this works fine with the latest version of Fiji
>> (IJ2.0.0-rc30/1.49v) and the included Java 1.6.0_24 on Win7 64bit.
>> When I hold down [Alt] the status bar shows pixel coordinates (x,y and
>> z) and pixel sizes. After releasing [Alt] everything switches back to
>> calibrated units.
>
> Yes, this is the behaviour I am used to and that I lost recently on one of the machine I use (a unix server). It has not come back after upgrading to (IJ2.0.0-rc31/1.49v). JRE is 1.6.0_24 while on my mac laptop (where the same IJ version displays coordinates appropriately) it is 1.7.0_79. Can the JRE version explain the problem?
>
> Any hint about how I could fix this on my unix machine / send more info for debugging?

The window manager on the unix server is probably preventing ImageJ from seeing alt key presses. You can work around the problem by upgrading to the latest ImageJ daily build (1.50a17), which shows pixel coordinates in the status bar when either the shift or alt keys are held down.

-wayne

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