Divisão de Observação da Terra e Geoinformática

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interimage:examples:example2 [2011/08/11 22:30] – rsilvainterimage:examples:example2 [2011/08/11 23:32] – rsilva
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   * tijuca.tif   * tijuca.tif
   * quadras.shp (city blocks)   * quadras.shp (city blocks)
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Linha 56: Linha 62:
   * Collapse the //Blocks// node. Once it's collapsed, select an object and see its attributes in the //Object Information// widget. Note that each block turned into a separate object and that the //CODIGO// attribute was successfully imported by the operator.   * Collapse the //Blocks// node. Once it's collapsed, select an object and see its attributes in the //Object Information// widget. Note that each block turned into a separate object and that the //CODIGO// attribute was successfully imported by the operator.
 {{interimage:examples:example2_12.png|Blocks node collapsed}} -> {{interimage:examples:example2_13.png|Select an object}} -> {{interimage:examples:example2_14.png|Object Information widget}} {{interimage:examples:example2_12.png|Blocks node collapsed}} -> {{interimage:examples:example2_13.png|Select an object}} -> {{interimage:examples:example2_14.png|Object Information widget}}
-  * Expand back the //Blocks// node. Now, select the //Blocks// node and click the //TopDown Decision Rule// button.+  * Expand back the //Blocks// node, select it and click the //TopDown Decision Rule// button.
 {{interimage:examples:example2_15.png|Top-down decision rule}} {{interimage:examples:example2_15.png|Top-down decision rule}}
   * In the dialog that comes up click the //Class// button and select the //Blocks// class. Click OK. Make sure that the //Merge All// option is selected and click OK again.   * In the dialog that comes up click the //Class// button and select the //Blocks// class. Click OK. Make sure that the //Merge All// option is selected and click OK again.
-{{interimage:examples:example2_16.png|Decision Rule for Blocks}} -> {{interimage:examples:example2_17.png|Insert Class}}+{{interimage:examples:example2_16.png|Decision Rule dialog}} -> {{interimage:examples:example2_17.png|Insert Class}}
   * Save the project and re-execute the interpretation.   * Save the project and re-execute the interpretation.
-  * Once the analysis is ready, collapse the //Blocks// node. Select an object and see its attributes in the //Object Information// widget. You should note that all blocks were merged into a single object. That's what the //Merge All/ feature does. The previous behavior can be accomplished again by selecting //No Merge// in the //TopDown Decision Rule// dialog.+  * Once the analysis is ready, collapse the //Blocks// node. Select an object and see its attributes in the //Object Information// widget. You should note that all blocks were merged into a single object. That's what the //Merge All// feature does. 
 +{{interimage:examples:example2_18.png|Blocks merged into a single object}} 
 +  * The previous behavior can be achieved again by selecting //No Merge// in the //TopDown Decision Rule// dialog. 
 +  * Add a //Roads// node to the semantic net: 
 +{{interimage:examples:example2_19.png|Semantic Net}} 
 +  * Save the project and re-execute the interpretation. The result is explained by the default operator associated to the //Roads// node: //Dummy Top-Down//. It produces a hypothesis of //Roads// over the entire scene, so what's not //Blocks// (the gaps in the previous result) will automatically be classified as //Roads//. 
 +{{interimage:examples:example2_20.png|Gaps are classified as Roads}} 
 +  * The result can be better viewed if the //Blocks// node is collapsed.
interimage/examples/example2.txt · Última modificação: 2011/08/22 18:47 por rsilva