is("global scale") not working on Fiji Macro running on PC

[fmerchant]

I am running a macro on Fiji with the is("global scale") built-in function without any error on a MAC.
However, when I run the same macro on the PC, I get an error message as shown in the attached image.

A snippet of the macro is

macro "Test" {

if (!(is("global scale")))
{
        Dialog.create("ERROR");
        Dialog.addMessage("Set Scale in MM (millimeters),\nand\ncheck Set Scale GLOBAL before ANALYSIS");
        Dialog.show();
        exit();
}
} //end macro

The message is

Invalid argument in line 4

if (!(is("global scale" <)>))

What am I doing wrong here? Why does it work just fine on the Mac, but fails on a PC?

Thanks
Fatima

[Wayne Rasband-2]

> On Mar 9, 2017, at 6:05 PM, fmerchant <[hidden email]> wrote:
>
> <http://imagej.1557.x6.nabble.com/file/n5018267/Fiji_error.png>
>
> I am running a macro on Fiji with the is("global scale") built-in function
> without any error on a MAC.
> However, when I run the same macro on the PC, I get an error message as
> shown in the attached image.
>
> A snippet of the macro is
>
> macro "Test" {
>
> if (!(is("global scale")))
> {
> Dialog.create("ERROR");
> Dialog.addMessage("Set Scale in MM (millimeters),\nand\ncheck Set Scale
> GLOBAL before ANALYSIS");
> Dialog.show();
> exit();
> }
> } //end macro
>
> The message is
>
> Invalid argument in line 4
>
> if (!(is("global scale" <)>))
>
> What am I doing wrong here? Why does it work just fine on the Mac, but fails
> on a PC?

The PC is probably running a version of ImageJ earlier than 1.50i, the version that added the is("global scale”) macro function.

-wayne

> --
> View this message in context: http://imagej.1557.x6.nabble.com/is-global-scale-not-working-on-Fiji-Macro-running-on-PC-tp5018267.html
> Sent from the ImageJ mailing list archive at Nabble.com.

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[LIM Soon Yew John (IMB)]

Dear All,

When I wrote the ImageJ (2.0.0-rc59/1.51j; java 1.8.0_66 [64-bit]) macro below, it return my area result as a string. Is this a bug or normal behaviour?

List.setMeasurements;
a = List.get("Area"); print(a);
a = a / a; print(a); //will return an error message that say statement cannot begin with "/"

Best Regards,
John

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[Michael Schmid]

Hi John,

the List in the ImageJ Macro language can only hold Strings, not numbers
(maybe this is not perfectly clear from the description). You need
parseFloat(a) to recover the number.


Michael
________________________________________________________________
On 10/03/2017 12:07, LIM Soon Yew John wrote:

> Dear All,
>
> When I wrote the ImageJ (2.0.0-rc59/1.51j; java 1.8.0_66 [64-bit])
> macro below, it return my area result as a string. Is this a bug or
> normal behaviour?
>
> List.setMeasurements; a = List.get("Area"); print(a); a = a / a;
> print(a); //will return an error message that say statement cannot
> begin with "/"
>
> Best Regards, John

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[fmerchant]

Wayne:

Thanks much!
I did have an outdated version of Fiji on my PC.

Thanks again,
Fatima

[Jerome Mutterer-3]

You might also use a=List.getValue("Area"); instead.

Jerome.


2017-03-10 12:50 GMT+01:00 Michael Schmid <[hidden email]>:

> Hi John,
>
> the List in the ImageJ Macro language can only hold Strings, not numbers
> (maybe this is not perfectly clear from the description). You need
> parseFloat(a) to recover the number.
>
>
> Michael
> ________________________________________________________________
> On 10/03/2017 12:07, LIM Soon Yew John wrote:
>
>> Dear All,
>>
>> When I wrote the ImageJ (2.0.0-rc59/1.51j; java 1.8.0_66 [64-bit])
>> macro below, it return my area result as a string. Is this a bug or
>> normal behaviour?
>>
>> List.setMeasurements; a = List.get("Area"); print(a); a = a / a;
>> print(a); //will return an error message that say statement cannot
>> begin with "/"
>>
>> Best Regards, John
>>
>
> --
> ImageJ mailing list: http://imagej.nih.gov/ij/list.html
>

--
Jerome Mutterer
CNRS - Institut de biologie moléculaire des plantes
12, rue du Général Zimmer
67084 Strasbourg Cedex
www.ibmp.cnrs.fr

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