https://translations.launchpad.net/ddtp-ubuntu/zesty/+pots/ddtp-ubuntu-
universe/fr/110273/+translate
** Changed in: ddtp-ubuntu
Status: Triaged => Fix Released
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https://bugs.launchpad.net/bugs/1404704
Title:
A ZeGrapher package description has to be corrected
Status in Package Descriptions for Ubuntu:
Fix Released
Status in Debian:
Fix Released
Bug description:
On the translation page of a ZeGrapher package description (see
https://translations.launchpad.net/ddtp-ubuntu/trusty/+pots/ddtp-
ubuntu-universe/fr/81393/+translate), I found that the source text
should be corrected. I think this package description is the following
of this other one: https://translations.launchpad.net/ddtp-
ubuntu/trusty/+pots/ddtp-ubuntu-universe/fr/81392/+translate.
If it really is the case, I think the beginings of the listing should
be nouns instead of verbs (the text introducing it is "Here are
features offered by Zegrapher:").
Then, the first points are separated into several line. But the last
ones are on the same line! There's something wrong with this.
I also think there are two commas that should be replaced by points in
order to cut sentences at "All the usual functions can be called,
They're (…)" and at "The parameter to use is "k", once you put it on
an function's expression (…)". In this last case, I would then add a
capital at "once".
Lastly, I think there is a problem at the end of this sentence: "You
can also choose two colors and each curve would take a color between
to two." Shouldn't one rather read "between these two"?
So, below is how I would modify the package description (with other
minor corrections).
* the visualization of up to six functions simultaneously. All the usual
functions can be called, They're all written on the virtual keyboard of the
program. The name of these must be followed by an open parenthesis. Ex.:
cos(3x), sqrt(x) and not cos 3x or sqrt x. On a given function, others can be
called, and so it's possible to associate or compose functions.
* the plotting of numerical sequences. They can be defined by recurrent
relation or explicitly. On the recurrent definition, you can put as much first
values as you need to.
* the ploting of parametric equations, with the possibility to use a second
parameter, which is "k". The curves can be animated, with adjustable smoothness
(frame rate) and speed (ms per step).
* the plotting of parametric functions and sequences. The parameter to use is
"k". Once you put it on an function's expression, new widgets will appear on
which you'll enter the range and the step of "k". You can also choose two
colors and each curve would take a color between these two.
* the drawing of tangents. They can be moved and resized simply with the
mouse.
* the drawing of derivatives and antiderivatives of functions.
* the printing of the graph, with these options:
** the choice of the basis scale in centimeters, so you can measure the graph
on the sheet with a ruler.
** the choice of the size and position of the graph on the sheet.
** the printing in color or gray-scale.
** the export in a PDF file.
* the export. It's possible to use all the known formats (PNG, JPEG, TIFF,
GIF...).
* the display of a table of values. You can do it with three different
options:
** from current graph view, the program will display the different functions,
sequences and parametric equation values from the graph's scale. And if you
move the graph, the table would update itself automatically.
** manually. You choose a number of empty boxes, then you'll enter by
yourself the values that you want to know.
** semi-automatic, with a given start value, step and number of values to
display.
* the navigation on the graph:
** the selection of a curve to display the coordinates of its points.
** the ability to zoom/unzoom on each axis separately or together, with the
mouse
on a point, or on a rectangular region.
** the move of the graph.
* the customization of the presentation:
** the change of all the colors: axes, background, functions...
** the adjustment of the curves' displaying precision. It will also affect
the rendering speed.
** the ability to show/hide the grid.
** the activation/deactivation of the curves' smoothing.
** the display of the graph on an orthonormal basis.
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