Re: [Veusz-discuss] Feature Request

2014-03-06 Par sujet Gerrit Barrere
Thank you, Benjamin.  Yes, I found the crosshair feature and it is indeed
sort of what I'm after.  Now, if that could be implemented as part of an
exportable plot with the ability to format and place the readout
arbitrarily, oh and maybe allow several of them in different colors, I'd be
delighted.  :-)

Gerrit


On Wed, Mar 5, 2014 at 7:45 PM, Benjamin K. Stuhl bk...@cornell.edu wrote:

 On 3/5/2014 9:57 PM, Gerrit Barrere wrote:

 I'm new on this subscriber list and don't know the etiquette -- I hope
 this is the right way to start a discussion about a potential new
 feature.  Please let me know if this should be done differently.

 Veusz is a fabulous program.  It's extremely powerful and aesthetically
 beautiful (but you all already know that).  I have written a program to
 configure the raw data output from my HP impedance analyzer into a form
 Veusz will import, including data and labels, so I can get beautiful
 plots of the instrument output to put into my lab reports (example
 attached).  Everything is working perfectly except for one thing.

 I would like to see a widget for a data trace marker as an element of
 a Veusz xy graph.  This would be a line or marker which can be slid back
 and forth to read out the data at the line position.  The readout could
 be placed anywhere on the graph.  I'm attaching a screen shot of an
 application which has this type of function.  The vertical line can be
 dragged back and forth and the horizontal line follows the data.  The
 dialog box shows the X and Y data.


 Hi Gerrit,
   Welcome to the list, and this is certainly the appropriate place to ask
 questions or make feature requests. In this particular case, it may be that
 Veusz actually already has part of the feature you are looking for: the
 crosshair icon on the toolbar (in between the mouse arrow and the zoom-in
 icon in the default layout) is a point picker tool. It reads back the index
 and value of the selected point in the status bar and supports navigation
 using the left/right arrow keys to scan along one curve and up/down to jump
 between curves. What it does not do -- but certainly could be added as a
 widget -- is give some permanent display on the plot canvas. For now, you'd
 need to draw the crosshairs yourself using a pair of lines and a text label
 if you want to highlight a specific point in your lab report.

 Regards,
 -- BKS

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Re: [Veusz-discuss] feature request

2014-03-05 Par sujet Jeremy Sanders

On 03/03/14 16:32, Tobias Heitmann wrote:

If anybody else is interested in this, could you think of anything like
a cloned view on certain widgets, e.g. a copy with inherited (frozen)
properties by default? For maximum flexibility, properties to be edited
could be 'unfrozen' later, if needed.


Hi Tobias - it seems like a good idea. Some thought would be required on 
how to do this in terms of UI and internally.


By the way, you can do what you're doing in some cases by
1. After changing a setting, change the default for that setting so that 
other widgets inherit that.

2. Select multiple widgets, so you can edit their settings simultaneously.

I've thought about user-definable subwidget types, which would be widget 
types with different (user definable) defaults. This could be one approach.


Alternatively, as you say a clone would be a possible idea, though you'd 
need some UI to propagate settings back to the original.


Jeremy


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Re: [Veusz-discuss] Feature Request

2014-03-05 Par sujet Benjamin K. Stuhl

On 3/5/2014 9:57 PM, Gerrit Barrere wrote:

I'm new on this subscriber list and don't know the etiquette -- I hope
this is the right way to start a discussion about a potential new
feature.  Please let me know if this should be done differently.

Veusz is a fabulous program.  It's extremely powerful and aesthetically
beautiful (but you all already know that).  I have written a program to
configure the raw data output from my HP impedance analyzer into a form
Veusz will import, including data and labels, so I can get beautiful
plots of the instrument output to put into my lab reports (example
attached).  Everything is working perfectly except for one thing.

I would like to see a widget for a data trace marker as an element of
a Veusz xy graph.  This would be a line or marker which can be slid back
and forth to read out the data at the line position.  The readout could
be placed anywhere on the graph.  I'm attaching a screen shot of an
application which has this type of function.  The vertical line can be
dragged back and forth and the horizontal line follows the data.  The
dialog box shows the X and Y data.


Hi Gerrit,
  Welcome to the list, and this is certainly the appropriate place to 
ask questions or make feature requests. In this particular case, it may 
be that Veusz actually already has part of the feature you are looking 
for: the crosshair icon on the toolbar (in between the mouse arrow and 
the zoom-in icon in the default layout) is a point picker tool. It reads 
back the index and value of the selected point in the status bar and 
supports navigation using the left/right arrow keys to scan along one 
curve and up/down to jump between curves. What it does not do -- but 
certainly could be added as a widget -- is give some permanent display 
on the plot canvas. For now, you'd need to draw the crosshairs yourself 
using a pair of lines and a text label if you want to highlight a 
specific point in your lab report.


Regards,
-- BKS

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Re: [Veusz-discuss] Feature request: Graph Coloring and Renaming

2013-10-10 Par sujet Jeremy Sanders

Hi Simon

On 09/10/13 17:54, Simon Kleinknecht wrote:


 1. Graph coloring: It would be nice to have a scroll-down box with all
the colors in the main section of the Formatting - Veusz window of
a graph which applies the selected color to all graph properties
(plot line, marker border  fill).


Something like this could be useful. I'll have to think how to implement 
this.



 2. Often I have a lot of pages in one Veusz file to keep track of
experimental setup modifications. As there is no place to write down
notes/comments for a page (could be also a nice-to-have feature) I
have to give the pages meaningful names.


I could add a notes filed to pages / graphs - would this be useful?


Unfortunately, when I want
to edit the filed, Veusz never behaves like any ordinary OS (marking
the current name for editing) but gives me an empty field and I have
to retype the entire name. Don't know if this is hard to change, if
not I would be grateful.


This has annoyed me, too. I thought it was general Qt behaviour. 
Fortunately, I've found why the name gets blanked and have fixed this 
for the next release. It also allows values to be edited in the dataset 
editor and browser.

https://github.com/jeremysanders/veusz/commit/1a560fda880779e3367ac9315887e04e64387d57

Thanks for your comments and suggestions.

Jeremy



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Re: [Veusz-discuss] Feature request: Graph Coloring and Renaming

2013-10-10 Par sujet Simon Kleinknecht

Hi Jeremy,

thanks for the fast and very positive reply regarding my requests/comments!
Regarding your answer on feature request 2:
Yes, indeed that would be useful. A box field which allows for multiple 
lines would be great to efficiently store information.


Looking forward to the upcoming release!
Simon

On 2013-10-10 08:38 PM, Jeremy Sanders wrote:

Hi Simon

On 09/10/13 17:54, Simon Kleinknecht wrote:


 1. Graph coloring: It would be nice to have a scroll-down box with all
the colors in the main section of the Formatting - Veusz window of
a graph which applies the selected color to all graph properties
(plot line, marker border  fill).


Something like this could be useful. I'll have to think how to 
implement this.



 2. Often I have a lot of pages in one Veusz file to keep track of
experimental setup modifications. As there is no place to write down
notes/comments for a page (could be also a nice-to-have feature) I
have to give the pages meaningful names.


I could add a notes filed to pages / graphs - would this be useful?


Unfortunately, when I want
to edit the filed, Veusz never behaves like any ordinary OS (marking
the current name for editing) but gives me an empty field and I have
to retype the entire name. Don't know if this is hard to change, if
not I would be grateful.


This has annoyed me, too. I thought it was general Qt behaviour. 
Fortunately, I've found why the name gets blanked and have fixed this 
for the next release. It also allows values to be edited in the 
dataset editor and browser.
https://github.com/jeremysanders/veusz/commit/1a560fda880779e3367ac9315887e04e64387d57 



Thanks for your comments and suggestions.

Jeremy




--
___

 Simon Kleinknecht, Dipl.-Ing. Umweltschutztechnik
 Institut fuer Wasser- und Umweltsystemmodellierung
 Versuchseinrichtung zur Grundwasser- und Altlastensanierung (VEGAS)
 Universitaet Stuttgart
 Pfaffenwaldring 61
 D-70569 Stuttgart

 Tel: (0049) 711/685-68201
 e-mail: simon.kleinknecht(at)iws.uni-stuttgart.de

 www: http://www.vegas.uni-stuttgart.de
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Re: [Veusz-discuss] Feature Request: Fill/Border box behind text labels

2012-06-11 Par sujet Jeremy Sanders
On 10/06/12 21:22, Scott Maddox wrote:
 Hello,
 
 I don't know if anyone else thinks this is a good idea, but I thought it
 would be nice for text labels to have boxes associated with them with
 fill and border options, similar to legends. Currently, I just add a box
 for each label, but it would be nice to not have to do this.

This would be a good idea. I'll add it to my todo list, but I probably
won't be able to do it for the 1.16 release.

Jeremy



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Re: [Veusz-discuss] Feature request re date axes

2009-10-14 Par sujet Jeremy Sanders
Paul Troughton wrote:

 I've thought of one improvement which would be very handy: an option
 to put date labels between the ticks, rather than lined up with them.

This looks like a good idea. I'll add it to my todo list.

Thanks

Jeremy



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Re: [Veusz-discuss] feature request: EMF export

2009-09-02 Par sujet Jeremy Sanders
Johan Asplund wrote:

 Some journals want to have the figures embedded in a word-document.
 Therefore I would like to be able to export to a vector-format that
 can be inserted into word.

Interesting. Unfortunately it's not trivial as Qt doesn't have a EMF export 
plugin. I don't see that anyone else has implemented one.

I see the specs for EMF are available, so it would be possible to write a 
plugin to QPaintEngine to do this, but it may not trivial to get right. It 
seems possible to write a QPaintEngine in python, so it may not be too much 
work with the specs and the python, though there does seem to be an issue in 
my test code.

I see there are postscript to EMF converters which can be used in the 
meantime.

Jeremy



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