Esempio: centraggio di un'immagine trasformata

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  <math resultRef="11" xml:lang="it">
    <define xml:lang="it" xmlns="http://schemas.mathsoft.com/math50">
      <id labels="*" xml:space="preserve" xml:lang="it">Scaled</id>
      <apply xml:lang="it">
        <id labels="FUNCTION" xml:space="preserve" xml:lang="it" label-is-contextual="true">scale</id>
        <sequence xml:lang="it">
          <id labels="VARIABLE" xml:space="preserve" xml:lang="it" label-is-contextual="true">S</id>
          <real xml:lang="it">0</real>
          <real xml:lang="it">255</real>
        </sequence>
      </apply>
    </define>
    <resultFormat xml:lang="it">
      <decimal precision="round-trip-decimal-places" show-trailing-zeros="false" radix="dec" imaginary-value="i" xml:lang="it" />
      <matrix size="12,12" offset="0,0" show-indices="false" expand-nested-arrays="false" xml:lang="it" />
    </resultFormat>
  </math>
</region>

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  <math resultRef="13" xml:lang="it">
    <define xml:lang="it" xmlns="http://schemas.mathsoft.com/math50">
      <id labels="VARIABLE" xml:space="preserve" xml:lang="it">Pix</id>
      <apply xml:lang="it">
        <id labels="FUNCTION" xml:space="preserve" xml:lang="it" label-is-contextual="true">WRITEBMP</id>
        <sequence xml:lang="it">
          <str xml:space="preserve" xml:lang="it">astrsk_equalized.bmp</str>
          <id labels="VARIABLE" xml:space="preserve" xml:lang="it" label-is-contextual="true">Equalized</id>
        </sequence>
      </apply>
    </define>
    <resultFormat xml:lang="it">
      <decimal precision="round-trip-decimal-places" show-trailing-zeros="false" radix="dec" imaginary-value="i" xml:lang="it" />
      <matrix size="12,12" offset="0,0" show-indices="false" expand-nested-arrays="false" xml:lang="it" />
    </resultFormat>
  </math>
</region>

<region id="ID0EGOI1" top="633.60000000000014" left="38.400000000000006" xml:lang="it" actualWidth="312.17" actualHeight="25.6" align-x="0" align-y="-17.200000000000003" xmlns="http://schemas.mathsoft.com/worksheet50">
  <math resultRef="15" xml:lang="it">
    <define xml:lang="it" xmlns="http://schemas.mathsoft.com/math50">
      <id labels="VARIABLE" xml:space="preserve" xml:lang="it">Pix</id>
      <apply xml:lang="it">
        <id labels="FUNCTION" xml:space="preserve" xml:lang="it" label-is-contextual="true">WRITEBMP</id>
        <sequence xml:lang="it">
          <str xml:space="preserve" xml:lang="it">astrsk_center.bmp</str>
          <id labels="VARIABLE" xml:space="preserve" xml:lang="it" label-is-contextual="true">R</id>
        </sequence>
      </apply>
    </define>
    <resultFormat xml:lang="it">
      <decimal precision="round-trip-decimal-places" show-trailing-zeros="false" radix="dec" imaginary-value="i" xml:lang="it" />
      <matrix size="12,12" offset="0,0" show-indices="false" expand-nested-arrays="false" xml:lang="it" />
    </resultFormat>
  </math>
</region>

(astrsk.bmp)

(astrsk_equalized.bmp)

(astrsk_center.bmp)