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Copy of Building a Map in Arcmap.

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by

Samuel Omara

on 21 November 2013

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Transcript of Copy of Building a Map in Arcmap.

Building a map in ArcMap
Review:
Adding existing data
Either File -> Add Data or click this button.
What are you trying to accomplish?
There is no point trying to go somewhere without know where you are going.
Find out where to go by answering the following questions:
What is the purpose of the map?
Who is the audience?
Where will your data come from?
Will the map be printed or digital?
What size should you make it?
What do they already know?
What do you need to show to orient your audience?
Are they normally map readers?
What do you need to specifically need to label?
Does the audience restrict any data content (public vs. project team or designers)?
Is it valid for the purpose?
Is it current?
Is it copyrighted?
Do you need to cite the date or source of the data?
Don't start from scratch.
I already did that for you.
Open ArcMap
Start a new map by clicking here or File -> New
Click here and go to O:\GIS\Support\tplates for the existing templates
Setting up the map Document Properties will allow the map to use Dynamic Text to fill in the fields.
What is this?
From the ESRI web desktop help:
Dynamic text is text placed on a map layout that changes dynamically based on the current properties of the map document, data frame, and Data Driven Page. Dynamic text works through the use of tags, like HTML. Here is an example of a dynamic text tag for the title of a map document:

<dyn type="document" property="title"/>
http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//00s900000013000000.htm
File -> Map Document Properties
Click the down arrow next to the icon will open the sub-menu.
As we can see there is an option to add data or a basemap

The basemaps and data from ArcGIS online is streamed from the internet. If you do not have an active internet connection you will not be able to download the data and the map will not work. With that said, using this option and sending around the .mxd file will save any trouble of broken paths. Adding a basemap in this way will not allow you to perform an identify on that layer. Adding the data or basemap in this way can also be VERY slow.
As a reminder, our GIS data is usually kept in a subfolder of X:\geo or in P:\[Job]|GIS Data\[file name].gdb
I have added the following layers:

Parcels
Alignment
Milepost
I can see the parcels and the alignment but the mileposts are nowhere to be found. This is due to the draw order. The layers show up in the order they are displayed in the Table of Contents on the left. In order to get mileposts to show up we will need to move that layer above the parcels layer in the table of contents.
A note about .mxds:
An .mxd stores data layers, symbology, and map
layouts but does not store the actual geographic data

If you want the data to go with the map, you need to create a map package. This process will create a file (.mpk) that can be opened in ArcMap that contains the .mxd with the symbology as well as the data it references. This can be done by selecting
File->Create Map Package
.
Now we are going to change the way the layers are displayed. Open the
Layer Properties
dialog box by double clicking on the layer name or right clicking and selecting properties on the layer you would like to change the sybology of and then select the symbology tab. The process is the same for points, polylines, or polygons.
This box allows you to choose how you would like your layers displayed. A basic description of each is:

Features – single symbol for all features
Categories – unique symbol for each unique value
Quantities – use classification method
– Graduated colors (choropleth)
– Graduated symbols
– Proportional symbols

Launch demonstration
Symbology tab
of
Layer Properties
Display tab
of
Layer Properties
The two things to be concerned with on the display tab are the transparency and the hyperlinks:

The transparency allows you to see through one layer to see the one below it. This is especially useful to show a base map beneath a polygon feature.

The hyperlink allows you to define an attribute field to use for a hyperlink. This can be set as either a document or URL. When doing this consideration must be given to if the user will have an internet connection or if the link path is going to remain the same.
Transparency and Hyperlinks
Symbology
Draw Order
Adding Layers
Map Document Properties
Templates
Labels tab
of
Layer Properties
Labels
Labels are based on an attribute field. Labeling takes the text from the chosen attribute field and places it at the feature. To enable labels, check the box and then choose a field. To change the way the label is displayed (color, font, size, symbol) click the symbol button to choose a label symbol style of make you own.
Scale Range
allows you to specify that you only want the labeling to show at a given scale, similar to
Scale Range
on the
General Tab
.
General tab
of
Layer Properties
Scale Range
The
Scale Range
controls when the layer appears. This is good for digital maps that you want to show more specific features when you zoom in. An example would be that perhaps you want townships to show up when you are zoomed out and as you zoom in you want the sections and the quarter sections to show up.
A note about labels:

Labels are nice but there are some short comings with them. With labels, ArcMap decides where they should go and how they should be placed. This is nice if you are labeling several features as it will keep the labels from overlapping one another. Its not so nice thought if you want to specify the location or rotation of a label. If you would like to manually position a label you must first convert it to an annotation. This is done by right clicking on the layer and selecting
Convert Labels to Annotation
. Checking the
Feature Linked
button will update the annotations when you update the attribute field they are based on. Before you create the annotation be sure that you have it set the way you would like, otherwise you will have to update them individually instead of all at once like you can with the label symbology.
Once the layer symbology is set up you may want to use the
Draw Toolbar
to add something to your map. You can add any of the shapes shown or text. This is a good way to point out something on the map without creating a seperate feature class. Pay attention to whether you are in model space or paperspace.
Draw Toolbar
Adding Data Frames
A data frame can be thought of as similar to a viewport in AutoCAD. There are some differences though. In AutoCAD you can have multiple viewports into model space. In ArcMap you can only have one "viewport" in "model space". To get multiple "viewports" you make multiple "model spaces". You can copy and paste data frames or insert one from the insert menu. Each data frame can have its own layers, coordinate system, symbology, etc...
Bookmarks
You can think of
Bookmarks
as similar to favorites in a web browser except for a geographic location. If you find yourself coming back to the same data extent perhaps using a
Bookmark
would save you some time.
Bookmarks -> Create
to make a Bookmark. Once you create one it will show up on the
Bookmarks menu
. Simply select it to zoom to that area.
Required Map Elements
If you used the template your map should contain all of the required map elements. It is always good to double check and make sure. These include but are not limited too:

Map Title and Purpose if not conveyed by the title
Our Company Name/Logo
A Legend that shows all line types/symbols used on the map
A North Arrow
A Graphical Scale Bar - This conveys the scale even if enlarged/reduced
Date Produced - This way the client knows how current the data is
Name of cartographer - They gotta have someone to blame
Path & filename
Want to make you own anyway?
Prehaps mine doesn't cover what you need to do. In any event if you want to make your own templates of just a stand alone map border you will need some pieces.

To insert the legend, north arrow, and scale bar simply use the
Insert
menu.

To insert the logos they are stored in M:\Logo and P:\4001.01 Port Mac Rail\General Proj\Logos
Note: When using the logos it is better to use the .emf file instead of the .jpg or .png file. These files are viewed as vector graphics instead of raster graphics. The benefit of this is that when you zoom in to the .emf file it doesn't get pixelated like a raster file does.
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