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El elemento de barra de escala

To add a scale bar, click the scaleBar Add new scalebar icon, place the element with the left mouse button on the Print Composer canvas and position and customize the appearance in the scale bar Item Properties panel.

The Item properties of a scale bar item tab provides the following functionalities (see figure_composer_scalebar):

../../../../_images/scalebar_properties.png

Scale Bar Item Properties Panel

Propiedades principales

The Main properties dialog of the scale bar Item Properties panel provides the following functionalities (see figure_composer_scalebar_ppt):

../../../../_images/scalebar_mainproperties.png

Scale Bar Main properties Dialog

  • First, choose the map the scale bar will be attached to.
  • Then, choose the style of the scale bar. Six styles are available:
    • Single box and Double box styles, which contain one or two lines of boxes alternating colors.
    • Middle, Up or Down line ticks.

    • Numérico, donde se imprime la relación de escala (por ejemplo, 1:50000).

Unidades y Segmentos

The Units and Segments dialogs of the scale bar Item Properties panel provide the following functionalities (see figure_composer_scalebar_units):

../../../../_images/scalebar_units.png

Scale Bar Units and Segments Dialogs

In these two dialogs, you can set how the scale bar will be represented.

  • Select the units you want to use with Scalebar units. There are four possible choices: Map Units, the default one and Meters, Feet or Nautical Miles which may force unit conversions.
  • The Label unit multiplier specifies how many scalebar units per labeled unit. Eg, if your scalebar units are set to “meters”, a multiplier of 1000 will result in the scale bar labels in “kilometers”.
  • The Label for units field defines the text used to describe the units of the scale bar, eg “m” or “km”. This should be matched to reflect the multiplier above.
  • You can define how many Segments will be drawn on the left and on the right side of the scale bar.
  • You can set how long each segment will be (fixed width), or limit the scale bar size in mm with Fit segment width option. In the latter case, each time the map scale changes, the scale bar is resized (and its label updated) to fit the range set.
  • Height is used to define the height of the bar.

Mostrar

The Display dialog of the scale bar Item Properties panel provides the following functionalities (see figure_composer_scalebar_display):

../../../../_images/scalebar_display.png

Scale Bar Display

Se puede definir como la barra de escala se mostrará en un marco.

  • Margen de caja : espacio entre texto y bordes del marco

  • Labels margin : space between text and scale bar drawing
  • Line width : line width of the scale bar drawing
  • Join style : Corners at the end of scalebar in style Bevel, Rounded or Square (only available for Scale bar style Single Box & Double Box)
  • Cap style : End of all lines in style Square, Round or Flat (only available for Scale bar style Line Ticks Up, Down and Middle)
  • Alignment : Puts text on the left, middle or right side of the frame (works only for Scale bar style Numeric)

Fuentes y colores

The Fonts and colors dialog of the scale bar Item Properties panel provides the following functionalities (see figure_composer_scalebar_fonts):

../../../../_images/scalebar_fonts.png

Scale Bar Fonts and colors Dialogs

You can define the fonts and colors used for the scale bar.

  • Use the [Font] button to set the font of scale bar label

  • Color de letras: establecer color de letras

  • Fill color: set the first fill color

  • Color de relleno secundario: establece el segundo color de relleno

  • Stroke color: set the color of the lines of the Scale Bar

Fill colors are only used for scale box styles Single Box and Double Box. To select a color you can use the list option using the dropdown arrow to open a simple color selection option or the more advanced color selection option, that is started when you click in the colored box in the dialog.