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# Forcing a decimal point on the first digit

Posted on 2004-11-16
Medium Priority
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Ok i have a xml file and a xsl file.
I have managed to display all the data the way i wanted with one exception.
The xml file as a numeric value of a north south west east designation by numbers.
south and west would be a negative number and a north east would be a postive number.
I can get the numbers to show correctly to a point.
As all coordinates have a decimal point in reality.
Though the xml file only gives a whole number.
Here are the two lines of code i  am talking about
First this is from the xml file.
<location NS="575" WE="-528">
This is the lines of code in the xsl file to give the proper view im looking for.
<td bgcolor="#ffffff"><xsl:value-of select="format-number(number(location/@NS),'#,N;#,S')" /></td>
<td bgcolor="#ffffff"><xsl:value-of select="format-number(number(location/@WE),'#,E;#,W')" /> </td>

What will show when you look at the html view will be
575N 528W
What im looking for is 57.5N 52.8W so im looking for a solution on how to force a decimal point one digit over.
Mind you i am more then a beginner at this meaning i have no training what so ever in xml or xsl
So please be specfic in what you say to me as so i can understand what you are telling me.
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LVL 15

Accepted Solution

dualsoul earned 500 total points
ID: 12598620
i think the easiest way is to divide number on 10 :)

see:
<xsl:value-of select="format-number(number(location/@NS div 10),'00.0N;00.0S')" />

and

<xsl:value-of select="format-number(number(location/@WE div 10),'00.0E;00.0W')" />
0

LVL 6

Expert Comment

ID: 12598674
if the substring is always 3 digits long you can use a variable

<!-- this selects the whole string eg 575 -->
<xsl:variable name="wholeNumber"><xsl:value-of select="location/@WE"/></xsl:variable>
<!-- this selects only the first 2 digits start at the first value (5) and select 2 digits -->
<xsl:variable name="First2digits"><xsl:value-of select="substring(location/@WE,1,2 )"/></xsl:variable>
<!-- this selects only the 3rd digit: start at the second  value (7) and select 1 digits -->
<xsl:variable name="lastdigit"><xsl:value-of select="substring(location/@WE,2,1 )"/></xsl:variable>

then just stick em together...

<xsl:value-of select="First2digits"/><xsl:text>.</xsl:text><xsl:value-of select="lastdigit"/>

i havent checked the syntax of the above but the technique should work.

If you dont know the length of the string of numbers youll have to count em,

<xsl:value-of select="string-lenght(location/@WE)"/> which will return a number ... if you hold that string-length as a variable as above...

<xsl:variable name="lengthOffNumber"><xsl:value-of select="string-lenght(location/@WE)"/></xsl:variable>

you can then subtract 1 from it to get the second to last character of the string. You can then employ the same method to get the first numbers in the co-ords and add a . and the last digit.

If you need further assistance post your xml and xslt and ill take closer look.

MM
0

LVL 6

Expert Comment

ID: 12598685
beaten to the post!!

i think dualsoul is correct and its far easier than my method..

MM
0

LVL 2

Author Comment

ID: 12598738
Ill give it a whirl.
and let you know what i find out seems simple enough on the first post.
The statement on the second post referring to if there are always 3 digits.
No there can be a few more and one less so that would not be a constant of 3 digits.

Anyways ill be back in a bit and let you guys know.
0

LVL 2

Author Comment

ID: 12598811
Yes indeed it did work.
Thx for the help guys and gals.
I tried to figure this out for 2 days on my own i started out with just the xml file and had to put togeather the xsl file with no training on xml it was quite difficult that was the last problem i had on that file. Thx again all for your help.
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