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OPEN  Bug report #322  -  Entering Amount Parameter 0 in KDE sometimes broken
Posted Jan 05, 2013 - updated Jul 05, 2014
Issue details
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Issue description
When I am using Synfig Studio from the KDE Desktop, I often have difficulty setting the Amount parameter to 0 from the Parameters Panel, particularly for an Advanced Outline layer.

I can set the Amount Paramter in the Parameters Panel to any other value apart from 0, including 0.01.

When I enter 0 in the Amount field the value is ignored and the previous value is redisplayed. I can only set the value to 0 by right clicking on a waypoint and editing it.

Linux 3.6.11-3.fc18.x86_64 Fedora 18 Beta AMD A8-3820 APU x 4 plus NVidia Ge Force GT 430, nouveau drivers.

I have not encounted this issue when using Synfig Studio with the GNOME 3.6 Desktop. I am using Fedora 18 with both the KDE SC 4.9.4 and GNOME 3.6 desktops. This may be a GTK issue rather than a Synfig issue.
Steps to reproduce this issue
i) Draw a shape using the BLine tool that results in both an Advanced Outline layer and a Region BLine layer being created.

ii) Try and set the Amount of the Advanced Outline layer to 0 in the Parameters Panel.

Comment posted by
Jan 05, 07:44
A file was uploaded. KDE 0 Amount Parameter panel problem demonstrationicon_open_new.png This comment was attached:

I cannot set the Amount of the Advanced Outline layer to 0 using the Parameters panel in this file
Comment posted by
 Konstantin Dmitriev
Jan 05, 15:53
Happens for me too from time to time. But I can't find a way to reproduce that.

I'm on Fedora 17, Gnome 3.4 Desktop. The file attached by you works fine here. But I repeat - for me the bug is irregular and random.

The bug might be related (or duplicate of) Bug report 38 - Parameters interfere with each other.
Comment posted by
icon_reply.pngJan 05, 16:42, in reply to comment #3
That's very interesting; I never had it occur for me under GNOME (and under GNOME 3.6 it seems to be working fine), but under KDE on Fedora 18 it's almost perfectly repeatable.

Because it happens more often under KDE than GNOME hopefully it will make the bug easier to fix.
Comment posted by
Jul 05, 07:54
Using the latest 64-bit development version downloaded from the website I can now recreate this bug repeatably.

i) Open Synfig Studio ii) Select the Star tool iii) Draw a Star on the canvas. iv) Change the star's amount to .545 -> AMOUNT CHANGES v) Change the star's amount to 0 -> WILL NOT CHANGE

Hopefully this will help diagnose the problem.
Comment posted by
 Keith Perry
Apr 12, 17:53
Have you ever tried using KDE to analyze your data only to encounter unexpected errors when entering an amount parameter of 0? It can be frustrating when a seemingly simple task becomes broken. In this article, we'll explore some possible solutions to this issue and discuss how to troubleshoot further if needed. So, let's dive in and discover dyson sv10 battery, how to overcome this obstacle and continue with your data analysis smoothly.