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Re: Formatting in text cells ...

  • To: mathgroup at smc.vnet.net
  • Subject: [mg95636] Re: Formatting in text cells ...
  • From: "Sjoerd C. de Vries" <sjoerd.c.devries at gmail.com>
  • Date: Fri, 23 Jan 2009 05:08:16 -0500 (EST)
  • References: <gl4a33$gd1$1@smc.vnet.net> <gl72rm$cqf$1@smc.vnet.net>

[Mail from David below.]

Hi David,

It seems that the problem arises from the fact that you formatted the
text cell with TraditionalForm instead of keeping it at its default
TextDisplay.

As far as I can see, inline equations are already done in
TraditionalForm, so there is no need to select this style for the
whole text cell (or perhaps your using a style that does that?).

Here is the cell that I get when I type it myself:

Cell[TextData[{
 "Any single arbitrarily oriented dipole source can be represented by
\
two scalar potentials ",
 Cell[BoxData[
  FormBox[
   SubscriptBox["F", "z"], TraditionalForm]],
  FormatType->"TraditionalForm"],
 " for vertical electric dipoles, and ",
 Cell[BoxData[
  FormBox[
   SubscriptBox["G", "z"], TraditionalForm]],
  FormatType->"TraditionalForm"],
 " for vertical magnetic dipoles. Since in a horizontally - layered \
earth, there can be no vertical magnetic field from a vertical \
electric dipole, fields from a vertical etc. etc."
}], "Text",
 CellChangeTimes->{{3.44165000465625*^9, 3.44165024390625*^9}}]

In your cell expression I see things like:
RowBox[{
     SubscriptBox["F", "z"], " ", "for", " ", "vertical", " ",
     "electric", " ", "dipoles"}]

which cause parts of the sentence to be seen as independent units.

Don't know whether this solves your printer problem. Haven't tested
that.

Cheers -- Sjoerd

Hi Sjoerd,

> wrt to your first question: I don't seem to have this problem. Could
> you post an example of a cell that's having this problem?

In the following cell, I get Mathematica-imposed new lines after "potentials"
& "earth".  When printing, everything after the F(sub)z has a dark
background.

This is the first time I've seen the background effect but other cells
in the notebook, though not all, have the line-break issue.

It's the random nature of the effect that's worrying as well as the
apparent non-fixableness (yes -- that is a word -- now) of the
problem.

Regards,

Dave.

An example cell is

Cell[TextData[{
 "Any single arbitrarily oriented dipole source can be represented by
\ two scalar potentials ",  Cell[BoxData[
  FormBox[
   RowBox[{
    RowBox[{
     SubscriptBox["F", "z"], " ", "for", " ", "vertical", " ",
     "electric", " ", "dipoles"}], ",", " ",
    RowBox[{
     RowBox[{"and", " ",
      SubscriptBox["G", "z"], " ", "for", " ", "vertical", " ",
      "magnetic", " ",
      RowBox[{"dipoles", ".", "  ", "Since"}], " ", "in", " ",
      StyleBox["a",
       FontSlant->"Plain"], " ", "horizontally"}], "-",
     RowBox[{"layered", " ", "earth"}]}], ",", " ",
    RowBox[{
    "there", " ", "can", " ", "be", " ", "no", " ", "vertical", " ",
     "magnetic", " ", "field", " ", "from", " ", "a", " ", "vertical",
      " ", "electric", " ", "dipole"}], ",", " ",
    RowBox[{"fields", " ", "from", " ",
     StyleBox["a",
      FontSlant->"Plain"], " ", "vertical", " ", "electric", " ",
     "dipole", " ", "are", " ", "called", " ", "the", " ",
     "transverse", " ", "magnetic", " ", "mode", " ",
     RowBox[{
      RowBox[{"(", "TM", ")"}], ".", "  ", "Analagously"}]}], ",",
    " ",
    RowBox[{
    "fields", " ", "from", " ", "the", " ", "vertical", " ",
     "magnetic", " ", "dipole", " ", "are", " ", "called", " ", "the",
      " ", "transverse", " ", "electric", " ", "mode", " ",
     RowBox[{
      RowBox[{"(", "TE", ")"}], "."}]}]}], TraditionalForm]]] }],
"Text",  CellChangeTimes->{{3.441396065459997*^9,
3.4413961117040772`*^9}, {
  3.4413978031905613`*^9, 3.441398018532933*^9}, {
  3.4413993977116065`*^9, 3.4413993988365993`*^9}, {
  3.441482720735684*^9, 3.4414827238028393`*^9}},  TextJustification-
>0.,  FontFamily->"Arial"]


On Jan 21, 2:01 pm, "Sjoerd C. de Vries" <sjoerd.c.devr... at gmail.com>
wrote:
> Hi Dave,
>
> wrt to your first question: I don't seem to have this problem. Could
> you post an example of a cell that's having this problem?
>
> Cheers -- Sjoerd
>
> On Jan 20, 12:46 pm, annetts729 <davidanne... at aapt.net.au> wrote:
>
> > Hi,
>
> > Recently, (actually inspired by the "What editor ..." thread) I have
> > had occasion to use Mathematica 7 as a text entry tool -- explanatory
> > text followed by numbered equations, followed by more text & more
> > numbered equations.  By and large, it's proving an easier environment
> > for this sort of task than MS Word (and equation editor), though not
> > nearly as easy as WordPerfect's equation editor from 5.1 / 6 days.
>
> > I have two (!) problems.
>
> > 1. Text cells are just fine unless they include explanatory text with
> > either super or subscripts.  When these are involved, it seems that
> > justification rules go out the window; one line might end halfway
> > across the window while another might go all the way to the end of the
> > window.  I can get this effect simply by having something like
> > Subscript[F, z] in the middle of a text cell, and on looking a little
> > closer, commas appear to be the signal to start a new line
> > irrespective of whether it's appropriate to do so.  How can I get tex=
t
> > cells to run to the end of the window when they are long enough to do
> > so, and still contain symbols with super & subscripts?
>
> > 2. Upon printing, some _parts_ cells which contain text as well as
> > symbols and super & subscripts are printed with a darker background.
> > Why is this, and more importantly, how do I get rid of it?
>
> > Many thanks,
>
> > Dave.
>
>



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