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software:art:faq [2008/09/19 11:06] – pedrosoftware:art:faq [2008/11/13 13:27] (atual) – pedro
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     * Indeed, this is not a bug, but a //feature//. sp package uses ID to represent the identification of spatial objects. We just follow the pattern. Points do not need to have an identification so we introduced an ID in order to follow the spatial model for lines and polygons. Data from attribute tables are "as is". If you want to fearlessly put together attributes and geometries, then use themes.      * Indeed, this is not a bug, but a //feature//. sp package uses ID to represent the identification of spatial objects. We just follow the pattern. Points do not need to have an identification so we introduced an ID in order to follow the spatial model for lines and polygons. Data from attribute tables are "as is". If you want to fearlessly put together attributes and geometries, then use themes. 
    - **Is there any step-by-step manual to install aRT on Linux?**    - **Is there any step-by-step manual to install aRT on Linux?**
-     * Yes. You can find it [[software:art:install|here]] +     * Yes. You can find it [[software:art:install|here]]. 
-   - **Is there any step-by-step manual to install aRT on Windows?+   - **Is there any step-by-step manual to install aRT on Windows?** 
 +     * Currently no but steps includes: (i) install the DBMS (currently MySQL), install the aRT windows package as indicated at the aRT web page. 
 +   - **ID vs id : lower vs upper case problem. When retrieving data with getPoints() we have ID for column names whereas id for getData().** 
 +     * Instead of merging the ids by yourself, aRT can do it by using aRTthemes, which joins geometry and attributes safely. This problem happens because sp uses ID for the identifiers, while TerraLib lets the user to choose the name. 
 +   - **Is there any aRT discussion list?** 
 +     * Yes, please write an e-mail to art_l at leg.ufpr.br
  
  
  

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