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[Octave-bug-tracker] [bug #52749] fltk to qt merge
From: |
Michael Godfrey |
Subject: |
[Octave-bug-tracker] [bug #52749] fltk to qt merge |
Date: |
Wed, 27 Dec 2017 09:43:58 -0500 (EST) |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.108 Safari/537.36 |
URL:
<http://savannah.gnu.org/bugs/?52749>
Summary: fltk to qt merge
Project: GNU Octave
Submitted by: godfrey
Submitted on: Wed 27 Dec 2017 02:43:57 PM UTC
Category: Plotting
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: Incorrect Result
Status: None
Assigned to: None
Originator Name: Michael Godfrey
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release: dev
Operating System: Any
_______________________________________________________
Details:
It is planned to transition fltk to qt. A major problem in doing
this is that, for the same input, the resulting PDF bounding
boxes differ by a large enough amount that their use, for example,
in LaTeX \includegraphics() requires substantial recoding of the
parameters. It would be very useful if both plotting systems
produced the same plot, including Bounding Box values when
processing the same input. Here is an example of the surrent
state with and without -tight:
*************qt vs fltk Bounding Box results w/wo pdfcrop
qt fltk
plot_diff.pdf 17 179 595 702 49 198 536 589
plot_diff-crop.pdf 0 0 578 523 0 0 487 391
plot_orig_norm.pdf 17 179 595 702 64 236 551 564
plot_orig_norm-crop.pdf 0 0 578 523 0 0 487 328
With -tight set:
plot_diff.pdf 17 179 595 702 52 200 551 600
plot_diff-crop.pdf 0 0 578 523 0 0 499 400
It would also be helpful to implement an option to run
pdfcrop before writing the output. -tight appears not to
do the same as pdfcrop. pdfcrop makes the plots easier to
use.
_______________________________________________________
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