ArcView Project Management: Components, File Types, and Data Handling

Posted on Jan 10, 2025 in Computers

ArcView Project Components

Layout: Preparing a map for inclusion in a report.
View: Create and open a map.
Chart: Create a statistical graph.
Script: Create scripts in Avenue programming language.
Dialogs: Define scale and personalize dialogues.
Table: Create and/or open a database table.

ArcView Project File Types

The following file types can be opened by the system:

APR, SHP, FBD, DWF, DXF

Transferring ArcView Projects

To ensure an APR project opens correctly on another computer, keep all project files in a single folder and transfer the entire folder.

File Extensions in ArcView

Use File / Extensions to open data from other systems with different extensions, allowing ArcView GIS to recognize them.

Opening Files with Extensions

Files with the AVX extension can be opened using File / Extensions.

View Elements in ArcView

ArcView view elements include:

Themes
Legends
The map itself
The toolbar corresponding to the window (save, display table, legend editor, table editor, etc.)

Adding Themes to a View

To add a theme and place it in the background:

Go to View / Add Theme.
Open the desired item.
Click and drag the item to the end of the list.

Accessing the Legend Editor

There are three ways to access the legend editor:

Double-click the left mouse button on the theme to edit.
Click the pencil icon on the toolbar.
Go to Theme / Edit Legend.

Creating Thematic Maps

To create a thematic map using an alphanumeric field:

Double-click the theme to open the legend editor.
Select Unique Value as the legend type.
Choose the alphanumeric field in the Fields section.
Apply the changes.

Types of Thematic Maps

The following thematic maps can be created using an alphanumeric field:

Single color map
Graduated colors map
Graduated symbols map
Dot density map
Statistical graphs map

Deleting Multiple Themes

To delete multiple themes simultaneously:

Select the first item.
Press and hold SHIFT while selecting the other items.
Go to Edit / Delete.

Requirements for Color Maps

To generate a graduated color map (or points), the data field must be numeric.

SQL Query for Selecting Records

Given a field called VAR (INCOME, farm) with values X and Y, where X is less than Y, the following SQL query selects all records between X and Y:

VAR >= X AND VAR <= Y

SQL Query Restrictions

There are no restrictions on using uppercase or lowercase letters and numbers in SQL queries.

Function of the NEXT Icon

The NEXT icon [I] positions selected data at the beginning of the table. Only selected data will be activated.

SQL Query for Selecting Records (Repeated)