3) Map Layers Tab

The  map layers tab displays a list of available spatial information.  Click on the map layers tab to display the map layers.   Clicking on the checkbox to the left of the layer name turns the layers on and off.  The symbol to the left of the checkbox displays the layer legend.

Tip:  The map will automatically refresh when a layer is turned on or off.

Layers that are scale dependent are grayed out in the map layers display.  The layer has been programmed to display only when zoomed into a specific scale.

Similar layers are grouped together in "group layers".  Group layers are used to quickly turn on and off groups of layers.

Click the next to the Water Resource District layer.

You will now see the individual layers and their symbols.  You can check them off on and off to view them.  Zoom into your map , if needed, and click on or off the individual layers to view them.

 

 

4) Tools

When you first open the web mapping application you are zoomed to the full extent of the County by default. 
The Navigation Tools provide the ability to zoom in and out of the display, and pan throughout the display area. 
In addition they allow you to select features in order to gather and display attribute information.

 To zoom into an area on the display, click on the Zoom In tool.

Click in the upper left of the area you want to zoom in to.  Hold down the left mouse button and drag a box around the area.
Release the left mouse button to complete the zoom in function.

You may also click anywhere on the map for a fixed zoom in.

The features of the scale dependent layers don't display until you are zoomed in below a set scale

 
  To zoom out click and drag a box.  The smaller the box, the further you will be zoomed out.

You may also click anywhere on the map for a  fixed zoom out.


  Zoom back to the previous extent by clicking on the Previous button.  Zoom to Next by clicking on the Next button.

 Click the Pan tool, then click in the display and drag it to a different location in the display.

The Pan tool can also be used to center the map on a clicked point, simply click anywhere on the map with the Pan tool
and the map will pan so that the clicked point is the new center.

 Zoom to the full extent of the display by clicking on the Full Extent button.

This will take you back to the countywide view.

 The Identify/Select tool is used to identify one or more features and view database information.

The identify tool has 4 options for selecting features; New Selection, Add to Selection, Select from Selection, and
Remove from Selection.

  Individual features can be unselected from the group of selected set of features by clicking on the Remove Selection tool.

Click on the features you want to remove, or you can click and drag a box that touches multiple features to remove
more than one feature at a time.

 Click on the Clear All Selections button to clear all selected features at one time.

 The Zoom to Selected button is used to zoom to selected features.

 The Measure Tool (See below for more detailed explanation).

 You can also zoom in to a specified scale by typing in the desired scale and pressing enter.

Measure Tool 

The Measure Tool can be a very useful tool to calculate an approximate distance or an area of a feature(s) on the map.  The measure tool measures the distance of each individual segment, the total of all segments, the total square feet or the acres of an area. Zoom in or Zoom Out of the map to the desired viewing scale. Click on the Measure Tool: the Measure window will open. Click on the map at the point you want to begin. Each time you click on the map, the measure tool will add another segment to the measurement and display the segment length, as well as the total length of all segments. Click around or along the feature until you are back to the beginning of the feature. Double click to stop measuring. The last segment measured will be displayed, the total perimeter of the feature and the acres are displayed in the Measure window. To begin a new measurement, click the Clear button at the bottom of the measure window.

As you measure, a red line will display the segments included in the total, the blue line will represent the current segment not yet added, the green line will display the best fit line that completes a polygon.  For your convenience these line colors are coordinated with their numerical values in the measure dialog box.