Divisão de Observação da Terra e Geoinformática

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interimage:examples:example2 [2011/08/11 22:36] – rsilvainterimage:examples:example2 [2011/08/12 16:42] – rsilva
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   * tijuca.tif   * tijuca.tif
   * quadras.shp (city blocks)   * quadras.shp (city blocks)
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 {{interimage:examples:example2_1.png|Adding an image}} {{interimage:examples:example2_1.png|Adding an image}}
   * Check the //Default Image// checkbox and click the //Add// button.   * Check the //Default Image// checkbox and click the //Add// button.
-  * Add the shapefile quadras.shp. Click the //Add// button.+  * Add the shapefile quadras.shp. Click the //Add// button. After, click OK.
 {{interimage:examples:example2_22.png|Adding a shapefile}} {{interimage:examples:example2_22.png|Adding a shapefile}}
   * Select the //Shape// tab and click the //Add// button. Set its //Color// to red, then click //Save//.   * Select the //Shape// tab and click the //Add// button. Set its //Color// to red, then click //Save//.
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   * 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.
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 {{interimage:examples:example2_18.png|Blocks merged into a single object}} {{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.   * 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. Try it out!
interimage/examples/example2.txt · Última modificação: 2011/08/22 18:47 por rsilva