The Edit - Style dialog manipulates the visual display properties of drawings, labels and images, either in their own windows or as layers in a map.    The appearance of the Style dialog varies depending on the component type, drawings or labels, or images, for which it was opened.   For step by step instructions and illustrations see the relevant Style topics:




See Also



Images and Channels




Style: Formatting Drawings and Labels


Style: Presenting Images


Example: Format a Drawing using the Style Dialog - In this example we provide a first, step by step look at how to format areas in a drawing using the Style dialog.  We can specify the same formatting for all areas or use a field to automatically set formatting, a process usually known as thematic formatting.


Example: Format the Size of City Points by Population - A common GIS task is to format the size of points in a drawing based on some value.  For example, the size of points that represent cities might be formatted based on the value of the city's population, with cities that have larger populations being marked by larger point icons.  This is an example of thematic formatting and is easy to do using the Style dialog.


Example: Add, Delete and Edit Thematic Formatting Intervals - This topic provides a step by step example of adding, deleting and editing intervals in the Style dialog that are used for thematic formatting.


Example: Style Properties in the mfd_meta Table - Style properties for drawings such as colors for areas are stored in human readable JSON values as properties in the mfd_meta system table.   This example shows how we can copy formatting from one drawing to another by simply copying values between records in the mfd_meta table.


Example: Formatting Tricks - The visualization capabilities of Manifold using Style can be exploited to provide many visual effects.  This topic provides some examples of how to use Style in unexpected ways to create a range of more elaborate effects.


Example: Change the Contrast of an Image - In this example we use the Style dialog to change the contrast of an image.


Example: Use the BGR Button to Assign Channels - The BGR button in the Style dialog for images allows us to assign channels in the data to B, G and R outputs that create the displayed image, using BGR, RGB or Grayscale ordering.


Example: Assign Channels using Source - The Source control in the Style dialog for images assigns channels to display outputs such as R, G, B or A.  .  This topic shows examples of using Source and the visual results.


Example: Set Image Transparency using Alpha - The A row in the Style dialog allows us to specify what transparency we want to apply to the image, either by applying the same value for A for all pixels or by using one of the other channels to also control the A value.


Example: Autocontrast and Hill Shading Images using Style - This example shows how the Edit - Style dialog can hill shade an image using the values of pixels as heights and generating shadows as if the Sun were located at the specified azimuth and altitude.   This capability is used most frequently with raster images to give an impression of three dimensionality in cases where the values of pixels represent terrain elevations.


Example: Style Applied to an Image Server Image - Because the Edit - Style dialog simply changes the way an image is displayed and not the data, it can operate on read-only data served by various web servers such as WMS REST servers.    In this example we look at every detail of creating a data source using an image server and then manipulating the appearance of the display with Style.  We will connect to a WMS server that provides LiDAR data in various forms, including as terrain elevation.