[glideplan_swproj] Re: Igc color scaling
- From: Alexander Wilkie <alexander@xxxxxxxxx>
- To: glideplan_swproj@xxxxxxxxxxxxx
- Date: Fri, 9 Mar 2012 10:21:24 +0100
I agree with that idea - this should deliver the most consistent and useful
colouring.
Best regards
Alexander Wilkie
--
Docent / Senior Lecturer
Computer Graphics Group, KSVI, MFF UK
Charles University in Prague, Czech Republic
http://cgg.mff.cuni.cz/~wilkie/
On 09.03.2012, at 10:02, Tomáš Zámečník wrote:
> I would do it this way:
> Consider all loaded flights, take the min and max from all and scale the
> colours to these global extremes.
> It also means that if a new igc is opened (or any igc is closed), the scale
> must be recalculated and colours updated.
> I think that the ramp should be linear.
>
> T.
>
>> ------------ Původní zpráva ------------
>> Od: Kuba Marek <blue.cube@xxxxxxxxx>
>> Předmět: [glideplan_swproj] Igc color scaling
>> Datum: 08.3.2012 18:25:04
>> ----------------------------------------
>> Hi,
>> I have UI design / usability question, mainly for Tom and Mr Wilkie::
>>
>> How should the IGC colors be scaled? For example if flights lowest point
>> has altitude 200 m and highest point has altitude 1000m, then should
>> the color gradient be scaled into the interval <200, 1000>, or should it
>> be always <0, some_reasonably_high_value>?
>>
>> The first option makes better use of the limited resolution, but the
>> second version has the advantage of showing more information.
>>
>> Or maybe making it non-linear could work too --
>> something like 1 - (1 / (1+ altitude))
>>
>> The question also applies to most of the other quantities.
>>
>> What do you think?
>>
>> Kuba
>>
>>
>>
>
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