>The problem is in 'escalexy.m', in line 86
> ticOffset=(iTic-nShortTics)*signOfDelta*deltaLabel/5;
>
>values for the relevant call:
> ticOffset = 3.0000e+04
> iTic = 5
> nShortTics = 3.9250
> signOfDelta = 1
> deltaLabel = 2000000
>
>However:
> debug> ticOffset - 30000
> ans = 6.9122e-11
>
>
>This non-zero values triggers a 'wrong' value for 'firstTicValue'.
>
>Writing the statement as
> signOfDelta*deltaLabel/5 * iTic - ...
> signOfDelta*deltaLabel/5 * nShortTics
>fixes it for me. However, I'm not sure whether this kind of 'fix' is
>good: it makes the code more difficult to understand and might just
>trigger problems in other cases (for example, if both numbers are
>small).
I think that the problem is elsewhere, precisely here:
122: if vVisible & (offset>=0 | abs(currentValue)>1e-14)
123: if abs(currentValue)<1e-14
124: currentValue=0;
125: end
and should be corrected like this:
--- escalexy.m~ 2006-03-20 08:48:32.000000000 +0100
+++ escalexy.m 2006-05-03 11:18:25.000000000 +0200
@@ -53,10 +53,12 @@ function longTicPos=escalexy(epsFile,sid
%autoscale
signOfDelta=sign(startEndDiff);
deltaLabel=eticdis(signOfDelta*startEndDiff,maxValues);
+ LabelEps=deltaLabel*1e-2;
else
%fixscale
signOfDelta=sign(step);
deltaLabel=signOfDelta*step;
+ LabelEps=deltaLabel*sqrt(eps);
end
if is_scalar (vForm)
if vForm==0
@@ -119,8 +121,8 @@ function longTicPos=escalexy(epsFile,sid
nPos=nPos+1;
fprintf(epsFile,ticLineForm,longTicLength);
% value
- if vVisible & (offset>=0 | abs(currentValue)>1e-14)
- if abs(currentValue)<1e-14
+ if vVisible & (offset>=0 | abs(currentValue)>LabelEps)
+ if abs(currentValue)<LabelEps
currentValue=0;
end
fprintf(epsFile,moveValueForm);
--
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