Using ArcView Part 21

Using ArcView GIS: Part 2

Learning more of the basics for ArcView 3.3

Using ArcView Part 22

Areas to be covered today

Saving a project – how to and how not to Image and Feature themes (data types) Adding a Theme Scale – how to insure it appears on your final map Changing colors with the Palette Manager – especially

translucent colors Minimum Requirements for a Map Adding Name, Date and data source to your map Making a jpeg from a layout Proclib – what is it and what is required Additional Icons in ArcView

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Saving a Project

A project file DOES NOT SAVE DATA A project file saves a path to data Thus when you resume work on a project the

path (location must be the same as in the past)

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Saving a Project: Proclib

Title: Using the Save As Feature for a Project File (.apr)·        Purpose: To save files in the place you want, in this case to a C:/Temp/yourfolder file. Procedure:1.      In the U:/ drive or your thumb drive directory create a new folder with a name reflecting your work2.      In AcrView Click on the File menu drag down to Save As and click3.      Click on the drop-down list for the Save In field4.      Select the appropriate drive, in this case drive U or F or such in the pick window. 5. Scroll down and double Click on the folder you have created above to open it.6.      Now, and not earlier, name the project something meaningful by clicking in the File Name title

boxremove the default name that was given and change it to your new file name7.      Click the Save button.8.      The new file name should appear in the title bar of your file or ArcView project window.   Originator: Lauren SeabyProcedure Date: 10-18-00Updated: p. buckley, 10-14-08

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First set drive

Second choose folder

Third create filename

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Saving a Project

I suggest getting into the practice of saving your project on either you U: drive or thumb drive. Later in the quarter we will talk about saving on the C: drive

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Feature and Image data

Our example using the simple exercise data set should well illustrate this

Also check-out Some Definitions on the Course Web Page

Feature data Image data

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First How To -- Definition Building

Divide text or powerpoint material into bullets Rank them by order of importance Translate these points in sentence(s) using

your own words. Insert examples in the definition

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Feature Data

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Feature Data – ESRI Definition

In ArcView, features are stored as vector data and their attributes are stored in tables known as attribute tables. Each class of features is stored in a shapefile and has its own attribute table. Attribute tables contain one record for each feature of that class in the coverage.

Points: Points represent features found at discrete locations, such as telephone poles, wells and mountain peaks.

Arcs: Arcs represent linear features such as streams, streets and contours.

Polygons: Polygons represent areas enclosed by specific boundaries, such as countries, states, land parcels and soil types.

Feature Data: Entity & Attribute

Using ArcView Part 211Note one Attribute (Descriptive Information) line or record for each Entity (Province)

Adding Image Data

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Change the Data Source Type

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Image Data

Note there are no Attribute Tables Available with Image Data

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Image data – ESRI Definition (my highlights)

An image is a graphic representation or description of an object that is typically produced by an optical or electronic device. Some common examples of image data include remotely sensed data, such as satellite data, scanned data, and photographs.

Image data is a form of raster data where each grid-cell, or pixel, has a certain value depending on how the image was captured and what it represents. For example, if the image is a remotely sensed satellite image, each pixel represents light energy reflected from a portion of the Earth's surface. If, however, the image is a scanned document, each pixel represents a brightness value associated with a particular point on the document.

To change the way an image looks and to derive additional information from an image you can edit an image's legend. (Aside: but this is very limited)

Images are often used as the background to views, with spatial data being drawn on top of them. Themes representing images are therefore normally moved to the bottom of the view's Table of Contents, so that they are drawn on the view first.

The main difference between image data and feature-based spatial data is that images do not contain attribute data about the features they show.

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Now you do it

Take a moment to build a definition for each feature and image data

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Adding a Theme to a View

Be sure to choose between feature and image data

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AddTheme

When adding a theme be sure to choose between feature (usually default) and image data

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Scale

Must know the scale/Coordinate System at which the data was electronically stored

The most common Coordinate System for ESRI is lat/long

The most common in the US in governments is State Plane

The most common internationally is UTM Know mapping units and choose measurement

units

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Setting Scale

From the Menus open

•View/Properties

•Then set map units to correct map units

•Map units are the coordinate system units in which the data is electronically stored like feet in State Plane

Coordinate system units

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Setting Scale

Here the Mapping units are metric (meters)

Electronically stored units

But when measuring around town in Bellingham the Distant units have been set to miles

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Selecting the measurement tool

Using Scale to Measure

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Measuring in Miles across Bellingham Bay

Measurement in miles

Mapping units (coordinate units) in meters

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Using Scale

Now the scale bar in the final Layout Map can be used

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Translucent Colors

Choose the theme you wish to work with Know the difference between foreground and

background colors Know what fills are Make your choices

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Translucent Colors

This is left as on exercise for you to figure out – Take GOOD notes in class

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Minimum Requirements for a Map

See the course web page

Also realize that this is a changing answer

However in my class use my requirements

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Adding metadata… to a map

Take some notes on the icons we use Also see PowerPoint notes from last week

Making a jpeg from your Layout

Choose File/Export

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Making a jpeg from your Layout

In order set the

1. Drive

2. Folder

3. Format (jpeg)

4. File name

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ProcLib

Procedure Library – crib notes to remind you and your co-workers how to accomplish a given task

See my minimum requirements and examples on course Web Page

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Additional Icons

Take good notes then review them and make them better

Wherever you work you will be doing this the rest of your life

Good skills at this will lower you blood pressure and pay big bucks