Where do I find the layer name in MapServer?

Where do I find the layer name in MapServer?

Can be specified relative to the SHAPEPATH option from the Map Object. If this is an SDE layer, the parameter should include the name of the layer as well as the geometry column, i.e. “mylayer,shape,myversion”.

When to use the group parameter in MapServer?

The CLASS object’s GROUP parameter must be used in combination with CLASSGROUP. Item name in attribute table to use for class lookups. Signals the start of a CLUSTER object. The CLUSTER configuration option provides to combine multiple features from the layer into single (aggregated) features based on their relative positions.

How does the connection pooling work in MapServer?

Connection pooling will allow MapServer to share the handle to an open database or layer connection throughout a single map draw process. Additionally, if you have FastCGI enabled, the connection handle will stay open indefinitely, or according to the options specified in the FastCGI configuration.

How does a composite block in MapServer work?

The options defined inside the COMPOSITE block will determine how this merging should be done (e.g. by appying opacity, composition operator, or pixel filters) Database connection string to retrieve remote data.

How to use a native filter in MapServer?

The string is simply a MapServer expression: Native filters are supported through the NATIVE_FILTER PROCESSING key: FILTER ‘where id=234’. But this is no longer supported. Item to use with simple FILTER expressions. OGR and shapefiles only. Template to use after a layer’s set of results have been sent.

How can I get labels to fit on a map?

You can try the PARTIALS options for MapServer labels. This makes sure that labels are only drawn if they can fit completely on the generated image. It’s set to TRUE by default, so try FALSE. Can text run off the edge of the map?

When to use shape from table in MapServer?

For Oracle, use “shape FROM table” or “shape FROM (SELECT statement)” or even more complex Oracle compliant queries! Note that there are important performance impacts when using spatial subqueries however. Try using MapServer’s FILTER whenever possible instead.

How are features tested in MapServer 7.6.2?

Each feature is tested against each class in the order in which they are defined in the mapfile. The first class that matches the its min/max scale constraints and its EXPRESSION check for the current feature will be used for rendering.

What kind of encoding is used in MapServer 7.0?

Removed in version 7.0: UTF-8 is now the encoding used by MapServer, and dataset encodings are handled using LAYER ENCODING instead. Supported encoding format to be used for labels. If the format is not supported, the label will not be drawn. Requires the iconv library (present on most systems).

Do you have to have a map extension to use MapServer?

It must have a .map extension or MapServer will not recognize it. Geographic Data – MapServer can utilize many geographic data source types. The default format is the ESRI Shape format. Many other data formats can be supported, this is discussed further below in Adding data to your site.

How does a template file work in MapServer?

Template File – controls how the maps and legends output by MapServer will appear in the browser.