- Can I select a line with a double-click instead of a Shift+Draw
Rectangle? Note that the first case needs only one hand, while both of
them are needed for later.
Select a sample. IupPlot only select samples, not lines. By default,
no. You will have to do that manually inside a callback. But be aware
that this is >going to affect the pan operation when zoomed in.
António, I don't to be too insistent on this story of being able to select
a line but when I use the Ftool.exe I can draw and select lines with a
click. Is it that IupPPlot could do it and IupPlot doesn't?
- How do one do an edit of type click-n-drag to move a point? I added a
DRAWSAMPLE_CB callback that is executed when I simulate a click-n-drag
but
again I've do that while holding down the Control key and it still draws
a
rectangle. Not practical.
That is something to be done using PLOTBUTTON_CB and PLOTMOTION_CB, for
instance, to move all the selected samples.
- What you mean that IupPlot is much less flexible than cdCanvas?
Ok, with cdCanvas I can't select elements with the mouse nor draw axes
(severe limitations) but what are the important facilities that it
provides with respect to IupPlot?
As Milind mentioned, IupPlot is a control implemented over IupCanvas.
And since it has a very specific porpoise it has to define how it is
going to >handle data, how to draw it, and how to interact with it. And
sometimes this definitions are not what one might expect, as you can
see by the previous >questions.
Best,
Scuri
On Thu, Jan 22, 2015 at 9:37 PM, Joaquim Luis <[email protected]> wrote:
Thanks Milind,
Do you know any further example codes that I could use for inspiration?
I would be specially interested in cases with, display an image + draw
polylines on top of it + point-n-click selection and edition of those
polylines/>>polygones.
Joaquim
Antonio can correct me if I am wrong but from the documentation I
gather that IupPlot is based on iupCanvas. All the axis drawing and
click select >>>facilities are implemented using the iupCanvas
callbacks and coordinate processing. IupCanvas is good and
iupglcanvasbox is even more >>>powerful you can put in other iup
controls in the iupglcanvasbox and so use their features and the
canvas features in a hybrid manner but as I >>>learnt from my previous
discussions is not to get carried away by that and only use controls
which are necessary.
Milind
On Thu, Jan 22, 2015 at 1:25 PM, Joaquim Luis <[email protected]>
wrote:
OK, I ported the pplot.cpp to Julia but using IupPlot.
Some questions:
- Can I select a line with a double-click instead of a Shift+Draw
Rectangle? Note that the first case needs only one hand, while both of
them are needed for later.
- How do one do an edit of type click-n-drag to move a point? I added
a
DRAWSAMPLE_CB callback that is executed when I simulate a
click-n-drag but
again I've do that while holding down the Control key and it still
draws a
rectangle. Not practical.
- What you mean that IupPlot is much less flexible than cdCanvas?
Ok, with cdCanvas I can't select elements with the mouse nor draw
axes
(severe limitations) but what are the important facilities that it
provides with respect to IupPlot?
Thanks
Joaquim
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