What is MapServer CGI?

What is MapServer CGI?

When the MapServer CGI program processes an application, it first parses the query string and the mapfile, and produces the necessary output. The CGI program will replace all the variables in the HTML template with the proper value before sending it back to the web browser.

How do I use MapServer?

MapServer Quickstart

  1. Configure MapServer using the Mapfile configuration file.
  2. Render a map image with MapServer using a WMS GetMap request.
  3. Render a map image with MapServer using the command line.
  4. Add a new layer to the Mapfile to serve a local Shapefile.
  5. Style a layer using Mapfile configurations.

How do I add a map to my server?

Installation

  1. Introduction.
  2. Compiler Requirements.
  3. Compiling.
  4. Set up a Project Directory.
  5. Download MapServer Source Code and Supporting Libraries.
  6. The MapServer source code.
  7. Set Compilation Options.
  8. Compile the Libraries.

What do you need to know about MapServer Quickstart?

TYPE: the geometry type that MapServer should use when rendering the data as an image. In our Mapfile, the data will be drawn as polygons. DATA: the name of the spatial data file this layer uses, in this case a shapefile. CLASS: determines how to draw a layer (styling).

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”.

Which is the native filter key in MapServer?

Signals the start of a FEATURE object. This parameter allows for data specific attribute filtering that is done at the same time spatial filtering is done, but before any CLASS expressions are evaluated. The string is simply a MapServer expression: Native filters are supported through the NATIVE_FILTER PROCESSING key: FILTER ‘where id=234’.

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.