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Re: The size of image output

  • To: mathgroup at smc.vnet.net
  • Subject: [mg114922] Re: The size of image output
  • From: Jens Noeckel <noeckel at gmail.com>
  • Date: Thu, 23 Dec 2010 03:51:56 -0500 (EST)
  • References: <iepdjl$g3g$1@smc.vnet.net> <201012220736.CAA10503@smc.vnet.net> <575769665EB24862BCD3D7272BFA529F@SkyLine>

Thanks - my interpretation of this failure in version 7 is a little 
different, though:
ImageScaled[1] seems to behave consistently with Scaled[1] (which is 
officially valid) in versions 7 and 8. But neither Scaled nor 
ImageScaled can be handled by Inset in version 7 when only a single 
length argument is given. This only works in 8, and you're right in that 
this change is not documented.

But at least it's an improvement because it brings more consistency 
(ImageScaled coordinates are already being used the symbolic position 
coordinates such as Center,...)

Jens

On Dec 22, 2010, at 3:55 AM, E. Martin-Serrano wrote:

>
>
> Hi,
>
> Your construct,
>
> Graphics[{{FaceForm[], Rectangle[{0, 0}, {1, 1}]},
>  Inset[Plot[10^5 x^2, {x, -2, 2}, Frame -> True, Axes -> None],
>   ImageScaled[{0, 0}], ImageScaled[{0, 0}], ImageScaled[1]]},
> ImageSize -> 40 72/25.4]
>
> in fact, works on V8 (TRIAL).
>
> But in does not in my V7.01; here it fails to produce the graphics and =
gives
> the message "Coordinate 1 should be a pair of numbers" (in
> *ImageScaled[1]*).
>
> However, if *ImageScaled[1]* is changed to *ImageScaled[{1,1}]* it =
does work
> in V7.01 too, apparently, rendering the same graphics.
>
> According to the documentation *ImageScaled[]* has not been modified =
in V8
>
> E. Martin-Serrano
>
>
> -----Original Message-----
> From: JUN [mailto:noeckel at gmail.com]
> Sent: Wednesday, December 22, 2010 8:37 AM
> To: mathgroup at smc.vnet.net
> Subject: [mg114911] Re: The size of image output
>
> On Dec 20, 9:23 pm, Alexei Boulbitch <alexei.boulbi... at iee.lu> wrote:
>> Dear community,
>>
>> Some journals require the figures for submitted papers to be of a
>> special size. For example, the Phys. Rev. group requires that the =
images
>> should be submitted in the eps format with the figure width of 8.5 =
cm.
>>
>> Up to now I solved the problem by creating the image in Mathematica,
>> exporting it as an eps file followed by its resizing in Adobe
>> Illustrator, that has a simple tool for that.
>>
>> I wonder, if there is a way to specify the size of the output image =
in
>> centimeters within Mathematica?
>>
>> This question has already  been discussed in 1999 (see  units
>> in graphics). The method proposed there seems however, not to work =
with
>> the 8th version without modifications. Besides, it suffers from
>> uncertainty coming from the fact that "Mathematica adds a border =
around
>> the graphics and we cannot get the amount of margin that is used,
>> because it depends of the ticks labels, the plot label"
>>
>> Are there any improvements in the later versions?
>>
>> Best regards.
>>
>> --
>> Alexei Boulbitch, Dr. habil.
>> Senior Scientist
>> Material Development
>>
>> IEE S.A.
>> ZAE Weiergewan
>> 11, rue Edmond Reuter
>> L-5326 CONTERN
>> Luxembourg
>>
>> Tel: +352 2454 2566
>> Fax: +352 2454 3566
>> Mobile: +49 (0) 151 52 40 66 44
>>
>> e-mail: alexei.boulbi... at iee.lu
>>
>> www.iee.lu
>>
>> --
>>
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>
> Hi,
> to get graphics exported with exactly determined dimensions, one
> method with a lot of fine-tuning flexibility would be something along
> these lines:
>
> Graphics[{{FaceForm[], Rectangle[{0, 0}, {1, 1}]},
>  Inset[Plot[10^5 x^2, {x, -2, 2}, Frame -> True, Axes -> None],
>   ImageScaled[{0, 0}], ImageScaled[{0, 0}], ImageScaled[1]]},
> ImageSize -> 40 72/25.4]
>
> The invisible rectangle (FaceForm[ ]) contains your plot(s) as an
> inset, and the image size applies to this rectangle. The exported PDF
> then has the dimensions determined by the bounding rectangle. You just
> have to arrange everything to fit into the rectangle the way you want
> - that's what the ImageScaled[...] does in this example. For a
> different aspect ratio, you'd have to change the Rectangle[...]
> dimensions appropriately.
>
> Jens
>



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