[OS X TeX] Sizing figures, especially with subfloats

[Nitecki, Zbigniew H.]

Using the figure environment, what determines the size set aside for a figure?

I am drawing a series of pictures (grids) some focusing on only a part of the whole.  The inital overview of the whole does not need to be at the same
scale as the views of the pieces, but then I want to return to the whole at full scale.

I can change the size of the image of the grid using the [unit= ] setting when starting a pspicture, but that doesn’t affect the size of the float, which
wastes a lot of space and messes up float placement when I try to place a smaller version of the full picture.
On the other hand, I would like to keep the coordinate system the same across these various pictures, rather than re-calculating the coordinates to
make the picture smaller.  (Is there a “special coordinates" setting for this/

In the attached, I tried to see the effect of playing with the unit size, but clearly this doesn’t affect the size of the box surrounding the picture—if both
are set (in different figures) at the same scale, then the box for the bottom half is half as high as for the full object, but a picture of the full object at
half scale is still still in a box twice as high as a full-scale picture of just the bottom.



The older versions of The Latex Companion used to (as I recall) have figures showing which parameters determine which dimensions.
The newest version (ed. III) of TLC has an overwhelming amount of detailed, sophisticated information, but I can’t dig out the answer to my question.
(I also have never learned to use the includegraphics command which is included automatcally if I choose the figure environment from the Latex Panel in TeXShop—but it doesn’t seem relevant to my question.


Zbigniew Nitecki
Professor Emeritus
Department of Mathematics
Tufts University
Medford, MA 02155

telephones:
Dept.    (617)627-3234
Dept. fax    (617)627-3966
http://www.tufts.edu/~znitecki/




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