✎ xml_script [Dinamica EGO]

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====== EGOML Script ======

===== Overview =====

Any model can be saved as a EGOML document. The resulting file uses the extension ".egoml"((The old extension ".xml" still supported for backward compatibility.)).

Below, it is an example of a EGOML script used to load a map, calculate an image convolution and save the result:

<file xml apply-edge-detection-convolution.egoml>
<?xml version="1.0" standalone="yes" ?> 
<script>
  <property key="dff.date" value="Fri Apr 22 16:07:49 2011" /> 
  <property key="dff.version" value="1.6.2.20101213" /> 
  <property key="metadata.author" value="Dinamica Team" /> 
  <property key="metadata.description" value="This is an example of map algebra expression written in Dinamica’s Calculate Map functor. This functor also performs contextual image operation, such as edge detection filters using nbConvol expression." /> 
  <property key="metadata.organization" value="CSR / UFMG" /> 
  <property key="metadata.showproperties" value="yes" /> 
  <property key="metadata.title" value="Apply Edge Detection Convolution Easier" /> 
  <functor name="LoadMap">
    <property key="dff.functor.alias" value="input map" /> 
    <inputport name="filename">"../../lesson1/amazon_states.tif"</inputport> 
    <inputport name="loadAsSparse">.no</inputport> 
    <inputport name="defineNullValue">.no</inputport> 
    <inputport name="nullValue">0</inputport> 
    <inputport name="suffixDigits">0</inputport> 
    <inputport name="step">.none</inputport> 
    <inputport name="workdir">.none</inputport> 
    <outputport name="map" id="v1" /> 
  </functor>
  <functor name="SaveMap">
    <property key="dff.functor.alias" value="saved map" /> 
    <inputport name="map" peerid="v2" /> 
    <inputport name="filename">"output.ers"</inputport> 
    <inputport name="suffixDigits">0</inputport> 
    <inputport name="step">.none</inputport> 
    <inputport name="useCompression">.yes</inputport> 
    <inputport name="workdir">.none</inputport> 
  </functor>
  <containerfunctor name="CalculateMap">
    <property key="dff.container.collapsed" value="yes" /> 
    <property key="dff.functor.alias" value="edge map" /> 
    <property key="dff.functor.comment" value="Image convolution in Dinamica EGO" /> 
    <inputport name="expression">[ nbConvol(i1, t1, 3, 3) ]</inputport> 
    <inputport name="cellType">.int32</inputport> 
    <inputport name="nullValue">0</inputport> 
    <inputport name="resultIsSparse">.no</inputport> 
    <outputport name="result" id="v2" /> 
    <functor name="NumberMap">
      <property key="dff.functor.alias" value="numberMap1215" /> 
      <inputport name="map" peerid="v1" /> 
      <inputport name="mapNumber">1</inputport> 
    </functor>
    <functor name="NumberTable">
      <property key="dff.functor.alias" value="numberTable1216" /> 
      <inputport name="table">[ "Key" "Value", 1 1 .. 4 1, 5 -8, 6 1 .. 9 1 ]</inputport> 
      <inputport name="tableNumber">1</inputport> 
    </functor>
  </containerfunctor>
</script>
</file>

<note tip>
EGOML/XML format used to be the only format that could accept incomplete scripts, scripts having functors whose input and output ports are neither bound nor edited. However, since version 1.9, it is possible to save and load an incomplete [[EGO Script]] as well. This feature is useful to save models in the first development stages. 
</note>

===== Reference =====

The EGOML file is a XML document written according to the following DTD ((A good introduction to the DTD description syntax can be found at http://skew.org/xml/tutorial.)):

<code dtd>
<?xml version="1.0"?>
<!DOCTYPE script [
  <!ELEMENT script (property*, functor*, containerfunctor*)>
 
  <!ELEMENT functor (property*, inputport*, outputport*)>
    <!ATTLIST functor
      name   CDATA  #REQUIRED>
 
  <!ELEMENT containerfunctor (property*, inputport*, outputport*, internalinputport*, internaloutputport*, functor*)>
    <!ATTLIST containerfunctor
      name   CDATA  #REQUIRED>
 
  <!ELEMENT property EMPTY>
    <!ATTLIST property
      key  CDATA  #REQUIRED
      value  CDATA  #REQUIRED>
 
  <!ELEMENT inputport (#PCDATA)>
    <!ATTLIST inputport
      name   CDATA  #REQUIRED
      peerid IDREFS #IMPLIED>
  <!ELEMENT outputport EMPTY>
    <!ATTLIST outputport
      name   CDATA  #REQUIRED
      id   ID   #REQUIRED>
   <!ELEMENT internalinputport EMPTY>
    <!ATTLIST internalinputport
      name   CDATA  #REQUIRED
      peerid IDREFS #IMPLIED>
  <!ELEMENT internaloutputport EMPTY>
    <!ATTLIST internaloutputport
      name   CDATA  #REQUIRED
      id   ID   #REQUIRED>
]>
</code>

The resulting document is not formated using tabs, spaces or newlines. Those characters are written only when they are inside the definition content, not in the content boundaries.

The property keys are always fully expanded. There is no property alias as in the [[EGO Script]] format.