What is grid and index in a map?

What is grid and index in a map?

Grid index features can be used to define each page of your map book. These features can define the spatial extent, the spatial reference, and other properties of the map page, as well as label adjacent pages. Data Driven Pages geoprocessing tools can be used to create the features and data needed for the map series.

How do I create an index layer for a data driven page?

Index Layer. To create a series of Data Driven Pages, select the index layer from the Layer drop-down list. The default index layer is the topmost polygon layer of the active data frame. The index layer defines the geographic extent of the main data frame for each page in the Data Driven Pages series.

What is the index in a map?

: a map that shows (as by enclosing a small area in a rectangle on a large map) the location of one or more small areas in relation to a larger area and that typically points up special features in the small areas about which information is desired.

How do I create an index in ArcGIS?

Creating attribute indexes in ArcCatalog

  1. In the Catalog tree, right-click the table or feature class for which you want to create an index and click Properties.
  2. Click the Indexes tab.
  3. Click Add.
  4. Type the name for the new index.
  5. Check the Unique check box if your field values are unique.

What is the purpose of a map index?

Index maps are a type of finding aid that enables users to find a set of maps covering their regions of interest along with the name or number of the relevant map sheet. An index map provides geospatial data on either a sheet of paper or a computer screen.

How do I create a street index in ArcGIS?

To create a street name index in ArcMap, two datasets are needed: first is an annotation feature class containing your text, and second is polygon feature class containing the map index grid. The map index grid dataset must have a field that contains the name of each grid cell, e.g., A1, B3, D8, etc.

How do I make a grid layer in ArcGIS?

To add a custom grid, complete the following steps:

  1. In an active layout view, select the map frame in the Contents pane.
  2. On the Insert tab, in the Map Frames group, click Grid .
  3. Choose New Custom Grid .
  4. Select the custom grid in the Contents pane, right-click, and choose Properties.

What is a street index?

The Streets Index Graphic is a required element for Image City Map (ICM) map sheets that are distributed as hard copies. It contains a list of all the features in the Road_L feature class and the Military Grid Reference System (MGRS) value that corresponds with the cell that contains the annotation.

How do I create a street index in Arcgis?

Why the index is used in the map?