Hi Jörg,
Jörg Wartenberg wrote:
Hi Leonard,
A selection color is already provided by the window manger theme (at
least on Windows). A per object selection color makes not much sense
to me, because you must know the selection color of an object to
recognize it as selected.
I did not mean a different color for every object. I used probably the
wrong eords. Just allow the user to easily select the selection color.
Have a color selection list displayed, so that every user can change
this color on the fly and also the style of the border.
I.
After thinking more thoroughly, I am convinced that there is NO
universal method that will work every time. So, I would recommend to
offer the end-user 3-4 alternatives. Every user will select whatever is
most intuitive for him AND most useful for a particular situation.
1. BORDERS: (various colours and styles -> users should be able to set
them):
- ADVANTAGE: are easy to implement => should be just setting or
changing the existing borders property for every object (of course NOT
the original border, in the document, just for displaying)
- DISADVANTAGE: if the border area is relevant for the next operation
(the user does NOT select a number of objects just for fun, he may want
to do something with them), then this will hinder any future action
1.1 SPECIALIZATION of BORDERS:
- see the 3D effect I created (in my previous post)
- DO NOT draw a complete border, BUT ONLY 40-70% of the border
- ADV: better visualisation of border area, relatively easy to implement
- DIS: it may be difficult to recognize some objects as beeing
selected or not (see my example - NOT easy to see, BUT for
non-overlapping objects should work fine)
2. FILL: change fill colour; there are various flavours, eg.
- restrict fill colour to objects vs extend fill beyond objects
- overlay (transparent) vs overpainting
- DIS:
-- problem with overlapping objects for some selection types (see
your examples, though NOT if only the selected object/ ONLY the visible
part of the selected object is filled)
=> have ability to show/hide non-visible part of the object (because
it is non-visible, it is overlapped by a different object, which could
be UN-selected)
-- IF the user needs a detailed view of the objects for his next
move, some of the fills will be very harassing
3. SELECTION ARROWS: my preferred method
- DIS: more difficult to implement
3.1 SPECIALISATION:
- allow users to change position of CENTER => adjust arrows
automatically => very good visualisation of selected objects
4. SELECTION MASK (ala Photoshop)
- in PS you can click the selection mask, then all selected objects
get filled
- IF you now disable the RGB channels (all 3), the selection is white
AND the non-selection is black (or opposite, I don't remember it anymore)
- useful for some more complex configurations
- DIS: still fails for overlapping objects
II.
Regarding the original specification:
1. Chart - Horizontal Grid Lines
Selection of the horizontal grid lines. (How many handles should the
grid have? For each line, or only at the corners? On both sides or only
on one side?)
The graphic is perfect as it was shown, i.e.: each line, both sides.
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