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− | <H3>
| + | --[[利用者:Sanak|Sanak]] 2009年10月4日 (日) 08:11 (UTC)このページは削除予定です。 |
− | Attributes Tab
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− | </H3>
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− | Within the Attributes tab the attributes of the selected dataset can be
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− | manipulated. The buttons New Column and Delete Column can be
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− | used, when the dataset is in editing mode. At the moment only columns from
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− | PostGIS layers can be edited, because this feature is not yet supported by
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− | the OGR library.
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− | <P>
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− | The Toggle editing mode button toggles this mode.
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− | <P>
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− | edit widget
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− | <P>
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− | Within the Attributes tab you also find an <TT>edit widget</TT> and a
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− | <TT>value</TT> column. These two columns can be used to define values or a range
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− | of values that are allowed to be added to the specific attribute table columns.
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− | They are used to produce different edit widgets in the attribute dialog. These
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− | widgets are:
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− | <P>
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− | <UL>
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− | <LI>line edit: an edit field which allows to enter simple text (or restrict to
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− | numbers for numeric attributes).
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− | </LI>
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− | <LI>unique value: a list of unique attribute values of all pre-existing features
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− | is produced and presented in a combo box for selection.
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− | </LI>
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− | <LI>unique value (editable): a combination of `line edit' and `unique value'.
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− | The edit field completes entered values to the unique value, but also allows
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− | to enter new values.
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− | </LI>
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− | <LI>value map: a combobox to select from a set of values specified in the
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− | <TT>value</TT> column the Attributes tab. The possible values are
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− | delimited by a semicolon (e.g. <code>high;medium;low</code>). It is also possible
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− | to prepend a label to each value, which is delimited with an equal sign (e.g.
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− | <code>high=1;medium=2;low=3</code>). The label is shown in the combobox instead of
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− | the value.
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− | </LI>
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− | <LI>classification: if a unique value renderer is selected for the layer, the
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− | values used for the classes are presented for selection in a combobox.
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− | </LI>
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− | <LI>range (editable): A edit field that allows to restrict numeric values to a
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− | given range. That range is specified by entering minium and maximum value
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− | delimited by a semicolon (e.g. <code>0;360</code>) in the <TT>value</TT> column of
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− | the Attributes tab.
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− | </LI>
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− | <LI>range (slider): A slider widget is presented that allows selection of a value
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− | in a given range and precision. The range is specifed by minimum, maximum
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− | value and a step width (e.g. <code>0;360;10</code>) in the <TT>value</TT> column of
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− | the Attributes tab.
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− | </LI>
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− | <LI>file name: the line edit widget is accompanied by a push button. When pressed
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− | it allows to select a filename using the standard file dialog.
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− | </LI>
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− | </UL>
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