Classification Theme - Properties

A Theme used to apply Pen, Brush and Symbol settings to Items, and optionally create labels, based on multiple expression tests.

Click here for Classification Theme description.

Theme Properties

Theme Component Properties


Theme Properties

  • Bold: _text_bold&
    Should the legend/label text be drawn bold?

  • Brush: _brush$
    The Brush used for the legend/label text backdrop, if the legend/label text is opaque.

  • Number of Classifications: _nClassifications
    The number of classifications in the Theme.

  • Class: _classTheme$
    The class of the Theme.

  • Description: _DESC$
    A textual description of the object.

  • Disabled: _bDisabled&
    Should Theme graphics be disabled?

  • Filter: _filter$
    Optional filter name, used to control which items are displayed in the map window.

  • Font: _font$
    The font used for the legend/label text.

  • Hide Brush Sample _bHideBrushSample&
    Hide Brush sample

  • Hide Pen Sample _bHidePenSample&
    Hide Pen sample

  • Hide Symbol Sample _bHideShapeSample&
    Hide Symbol sample

  • Italic: _text_italic&
    Should the legend/label text be drawn italicised?

  • Label: _bLabel&
    Does an Index Dataset display BoxText labels for all of the tiles found? True/False.

  • Maximum scale: _scalemax#
    The highest reproduction scale at which Theme annotation graphics will be drawn. If you set this value to 1000, and then zoom out to 1:2000 the Theme annotation will become invisible.

  • Minimum scale: _scalemin#
    The lowest reproduction scale at which Theme annotation graphics will be drawn. If you set this value to 100, and then zoom out to 1:50 the Theme annotation will become invisible.

  • Opaque: _text_opaque&
    Should the legend/label text be drawn opaque?

    If this value is True for legend text then the legend will draw with a surrounding box drawn with the legend Pen, and filled with the legend Brush.

    If this value is True for label text then the labels will appear with a filled background, drawn using the label Brush.

  • Outline: _text_outline&
    The theme's text outline.

  • Pen: _pen$
    The Pen used to draw the legend/label text.

  • Point height: _point_height&
    The point height of the legend/label text.

  • Samples per column: _nPerColumn&
    The number of samples, i.e. Theme components, per legend column. This property can have a value up to 200.

  • Sample size factor: _sampleSize#
    The scale factor to apply to samples, relative to the text height.

  • Subtitle: _subtitle$
    The legend subtitle.

  • Subtitle size factor: _subtitleSize#
    The scale factor to apply to the subtitle text, relative to the text height.

  • Title: _title$
    The Theme title.

  • Title bold: _title_bold&
    Should the title text be bold?

  • Title size factor: _titleSize#
    The scale factor to apply to the title text, relative to the text height.

  • Underlined: _text_underlined&
    Should the legend/label text be drawn underlined?

  • Units: _units&
    The units that the dimension should be displayed in on a legend.

  • Wrap character: _wrap$

    The character at which to wrap a string.

  • Wrap length: _wrapLength&
    The length at which to wrap a string (+ve: wrap after N characters; -ve: wrap at exactly N characters)

Theme Component Properties

  • Brush: _brush$
    The Brush used to fill the Theme component. Use "" to not override the item Brush.

  • Disabled: _bDisabled&
    Should Theme graphics be hidden?

  • Expression: _formula$
    The expression used to calculate a value for the Theme component.

    The expression must evaluate to a number. See Property Expression Syntax for details.

  • Hidden: _bHidden&
    Should the Theme component graphics be hidden?

  • Label: _bLabel&
    Does an Index Dataset display BoxText labels for all of the tiles found? True/False.

  • Maximum scale: _scalemax#
    The highest reproduction scale at which Theme annotation graphics will be drawn. If you set this value to 1000, and then zoom out to 1:2000 the Theme annotation will become invisible.

  • Minimum scale: _scalemin#
    The lowest reproduction scale at which Theme annotation graphics will be drawn. If you set this value to 100, and then zoom out to 1:50 the Theme annotation will become invisible.

  • Pen: _pen$
    The Pen used to draw the Theme component. Use "" to not override the item Pen.

  • Symbol: _shape$
    The Symbol used for point items which match the Theme component. Use "" to not override the point Symbol.

  • Title: _title$
    The title of a Theme component, for display in the Theme legend.