Xavier Gnata wrote:

> 
> However, everyone would be happy if the default format would be consistent :
> 
> As it is, *by default*, when <1000 it displays an int and after 1000 it 
> displays 1.42e3.
> Why? What do you think this scientific format is a good for?
> 
> I understand some users would like to see floats by default.
> Some other users would like to see integers by default.

It is not just a matter of integer versus float; the formatting 
algorithm must accomodate both.

> 
> I'm fine with integers or floats by default (I don't cadre) but I don't 
> get the logic of the scientific format.
> I only would like to see all the digits of the integer parts.
> I would be fine if I would get 1.422e3 instead of 1.42e3 (we could for 
> instance assume that images larger than (100 000, 100 000) are really a 
> corner case ;)).
> 
> Why should be the *default* logic so strange?
> Ok, it is easy to change but the default should at least make sense.
> As it is, I don't think it does...but there could be a good rational I'm 
> missing.


Right now, the default is very simple:

     def format_data_short(self,value):
         'return a short formatted string representation of a number'
         return '%1.3g'%value

It looks like changing it to something like "%-12g" would facilitate 
considerable improvement in reducing the jumping around of the numbers, 
as well as in providing much more precision.  I think that 12 is the max 
number of characters in g conversion.  Or maybe it is 13; I might not 
have tested negative numbers.

The problem is that then it crowds out the other part of the message, 
the pan/zoom status notification etc.

Breaking the message into two lines almost works (so far only checking 
with gtkagg), but the plot gets resized depending on whether there is a 
status or not.

I think that with some more fiddling around with that part of the 
toolbar--probably including breaking the message up into separate 
messages for status and readout, and maybe making the readout use two 
lines and always be present--we could make the readout and status 
display much nicer.  I have never liked the way it jumps around.

Eric

> 
> pylab is so easy and fun to use because the default settings are always 
> the best one.
> IMHO, there is one exception :(
> 
> Xavier
> 
> 
> 
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