XMCD file - SMath

#1 Posted: 7/29/2010 2:36:52 PM

21 likes in 182 posts.

Group: Moderator

Andrey,

I'm not sure if your intention is to make SMath files compatable with MathCAD through the xmcd export feature. I know it may be difficult to translate programs and if block because there is a significant difference between the way SMath and MathCAD implement these.

But I tried to import a MathCAD file with subscripts and there appears to be a difference in how they are writen in xmcd form. A simple change in format will improve portability.

SMath

a.1

MathCAD

a

Also I noticed that a value with units of ft is written by SMath and MathCAD as:


        <ml:define>
          <ml:id xml:space="preserve">a</ml:id>
          <ml:apply>
            <ml:mult />
            <ml:real>1</ml:real>
            <ml:id xml:space="preserve">ft</ml:id>
          </ml:apply>
        </ml:define>

Which doesn't readback as units of ft but variable ft.


        <ml:define>
          <ml:id xml:space="preserve">a</ml:id>
          <ml:apply>
            <ml:mult />
            <ml:real>1</ml:real>
            <ml:id xml:space="preserve">'ft</ml:id>
          </ml:apply>
        </ml:define>

With 'ft it is recognized by SMath as units ft

Perhaps the xmcd engine can see if ft is a unit or a variable.

Ed

#2 Posted: 7/29/2010 3:01:01 PM

Andrey Ivashov

2,313 likes in 3,912 posts.

Group: Super Administrator

Yes, this is well known thing. It is because xmcd files don't have any indication for the variables to check if the variable is a unit or not. On xmcd file open Mathcad just sees if the name of variable is exist in the built-in list of units and do not redefined by user - then it is a unit.

Regards.

#3 Posted: 8/25/2010 5:11:30 PM

Andrey Ivashov

2,313 likes in 3,912 posts.

Group: Super Administrator

Units issue fixed.

Changes:

SMath Studio now checks if it has built-in units with the specified in the xmcd-file names and checks if user didn't redefine them above. If so, then program will change type of the operand from Variable to Unit. Works like a charm
Also added ability to parse expressions with manually specified Units of the answer.

XMCDFileType.1_2_1.Plugin.Bin.zip (Date: 26.08.2010. File size: 16.61KB) - * To copy .dll file from archive to the "plugins" folder of SMath Studio installation directory.

Best regards, Andrey Ivashov.

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