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gvSIG-Desktop 1.12. Manual de usuario

by Manuel Madrid last modified 2012-07-30 17:50

To access the field calculator, you must first start an editing session in gvSIG. If you wish to activate the edition of a layer loaded in a view, go to the layer’s contextual menu and select “Start edition”.

calculadora-de-campos/calculadora-de-campos-en.img/menuComenzarEdicion_es.png

If you wish to edit a recently-loaded table, go to the “Table” menu and select “Start edition”.

calculadora-de-campos/calculadora-de-campos-en.img/tablaComenzarEdicion_es.png

If you decide to use the field calculator on a “New layer” (for example New shp) which you are going to create (remember that to access this option you must go to the “View” menu and select the “New layer” option), the layer will automatically appear in editing mode when inserted in the view.

calculadora-de-campos/calculadora-de-campos-en.img/menuNuevacapa_es.png

Once you have started an editing session, activate the table of attributes on which the operations are going to be performed and select one of the fields (by clicking on the field heading). The following button will then be activated in the tool bar:

calculadora-de-campos/calculadora-de-campos-en.img/botonCalculadoraCampos_es.png

This will allow you to access the field calculator.

NB. The first time you open the field calculator in a new gvSIG session, a warning window appears to inform you that the calculator is “Loading operators”. Once this process has finished, the window which allows you to perform operations with the various fields appears.

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