It is GREAT! Thanks indeed.
After a bit playing with string(ing) :) I could manage and it is working as
expected!
Thanks.
George
To call it from MS Visual Basic the correct way is:
msg = "FORMAT$(CommandInfo(1),"".#######"")"
x = MapInfo.eval(msg)
----- Original Message -----
From: "Jaromir Svasta" <[EMAIL PROTECTED]>
To: "rugo100" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Monday, September 06, 2004 10:15 AM
Subject: Re: MI-L Precision of MapBasic
> Format$(CommandInfo(CMD_INFO_X),".#######") will return the precise value
> (7 decimals).
>
> --
> Jaromir SVASTA
> Hydrogeologist
> Geological Survey of Slovak Republic
> Mlynska dolina 1
> 917 04 Bratislava
> Slovak Republic
>
> Tel: +421 2 59375326
> Fax: +421 2 54771940
> On Fri, 3 Sep 2004 18:20:23 +0200, rugo100 <[EMAIL PROTECTED]> wrote:
>
> > Hi,
> >
> > I am using MapBasic from MS VisualBasic and I have problem with
precision
> > during centering of MAP.
> >
> > I have point objects in a table.
> > as I select any of them (with my program by an algorithm), I want to
> > center
> > the map on that point.
> > To do this I try to use this code:
> > (In var "f" there is the index of point what I want to select)
> >
> > 'Find the point:
> > msg = "Find """ & f & """"
> > MapInfo.do msg
> >
> > 'Check wether object found?
> > msg = "CommandInfo(3) >= CMD_INFO_FIND_RC'"
> > r = MapInfo.Eval(msg)
> > If r = "T" Then
> > ' yes, object was found, obtain Lat/Lon of object:
> > X = MapInfo.Eval("CommandInfo(CMD_INFO_X)")
> > Y = MapInfo.Eval("CommandInfo(CMD_INFO_Y)")
> > 'Then I center map on obtained x,y:
> > msg = "Set Map Center (" & X & "," & Y & ")" + " Smart Redraw"
> > MapInfo.do msg
> > else
> > ....
> > ....
> > This code basically works. The only problem is with the precision of X,Y
> > !
> > Although point objects Lat/Lon is with 6 digits after decimal points,
> > when I
> > use above code X,Y gives only 3-4 digits after decimal point. As a
> > result of
> > this centering of map slightly "flickering" (depends on how big is the
> > differenc between the original -six digits- coordinate and obtained X,Y
> > value...)
> >
> > E.g. original coordinate of a pont: 18.475058 47.201188
> > But in X,Y I got from commandinfo: 18.475 47.201
> >
> > How can I get the precise value from Commandinfo ?
> >
> > Any help would be highly appreciated.
> >
> > Thanks
> > George
> >
> >
> >
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