Intr ntrodu oductio ction n to t o Tra TransCAD nsCAD Murtaza Haider
[email protected] Tel: 416.979.5000, ext. 2480
TRANSCAD • The only only true true compre comprehen hensiv sive, e, transp transporta ortatio tion n GIS System • A true true vec vecto tor-b r-bas ased ed GIS GIS wit with h comp compre rehe hensi nsive ve mapping capabilities • Extens Extensive ive econom econometr etric ic abilit ability y for for trave travell dem demand and modeling, (UTMS) • Matri Matrixx-ba base sed d Obje Object ct Orie Orient nted ed Prog Progra ramm mmin ing g Language • Clos Closes estt riva rivall EMME EMME/2 /2,, Vis Vissu sum m
TRANSCAD • The only only true true compre comprehen hensiv sive, e, transp transporta ortatio tion n GIS System • A true true vec vecto tor-b r-bas ased ed GIS GIS wit with h comp compre rehe hensi nsive ve mapping capabilities • Extens Extensive ive econom econometr etric ic abilit ability y for for trave travell dem demand and modeling, (UTMS) • Matri Matrixx-ba base sed d Obje Object ct Orie Orient nted ed Prog Progra ramm mmin ing g Language • Clos Closes estt riva rivall EMME EMME/2 /2,, Vis Vissu sum m
TransCAD Screen • Ever Everyt ythi hing ng is cont contai aine ned d in in a main main win windo dow w • Data Data are are sho shown wn and and cont contro roll lled ed in one one or or more more windows • There There are are ofte often n seve several ral ways ways to perform perform a com comma mand nd • Status Status inform informati ation on and help help are are always always availa available ble
Examp xample: le: The Scree Scr een n
TransCAD Menus, Toolbar and Toolboxes • Menus: list all the TransCAD commands • Toolbar: buttons for frequently used commands • Toolboxes: contain tools for general and specific needs • Commands or tools are gray when they cannot be used
Example: Menus, Toolbar and Toolboxes
TransCAD Dialog Boxes • Menu commands ending with three dots (...) have dialog boxes • Some dialog box buttons take you to additional dialog boxes • You can use defaults settings or change any of the options
Example: Dialog Boxes
Help Is Available Several Ways • Balloon help appears if you leave the cursor over a button • Status bar shows brief help and other information • Context-sensitive, on-line help by pressing the F1 key or using the Help menu
Example: Help
Types of Windows • Map: an electronic version of a paper map • View: two kinds: – Dataview: to view and edit tables of data from geographic files, databases or spreadsheets – Matrix view: to view and edit values in a matrix
• Figure: a window containing a chart or other graphic • Layout: presentations with maps, views and figures, plus freehand text and other items
Example: Three Types of Windows
Workspaces Save All Open Windows • You can save more than one window • You can save windows of different types • Workspaces are good ways to organize projects
Designing Maps and Creating Themes • Goal: Understand the parts of a map and how to use them to: – Organize your data – Study relationships – Present information – Get your point across clearly
Basics: Map • Definition: classically, a drawn or printed representation of the earth and its features. In this case, an electronic version of that representation.
Example: Map
Basics: Layers • Definition: a group of map features of the same type, such as states, highways, or retail stores; conceptual equivalent of an acetate overlay on a physical map
Example: Layers
Basics: Map Features • Definition: entities such as customers, rivers, cities, states, and roads, that are displayed as points, lines or areas on a map
Example: Map Features
Basics: Saving and Retrieving Maps • All the information needed to recreate a map is saved in a .MAP file
Example: Saving and Retrieving Maps
File-Save File-Save As
File-Open
Basics: Printing a Map • You can print a map directly, or place it in a layout and print the layout
Example: Printing a Map
Quick Start: Overview • Step-by-step tutorial, showing basics in action • In this Quick Start we will create a map and move around it • We are just touching the surface of what TransCAD can do • In-depth sections will go into more detail
Creating a New Map • Choose File-Open or click
on the toolbar.
• Choose Geographic File from the List Files of Type drop-down list. • From the TCW\TUTORIAL subdirectory, choose the file NES_HWY.CDF and click OK. TransCAD displays a map of highways in southern New England.
Moving around the Map: Zoom In • Click tool.
in the main toolbox to activate the Zoom In
• Click in the middle of the map. TransCAD redraws the map at twice the scale. • Drag a rectangle around Boston. TransCAD enlarges the Boston area to fill the map.
Moving around the Map: Zoom Out • Click
to activate the Zoom Out tool.
• Click in the middle of the map. TransCAD redraws the map at half the scale, with Boston still in the middle.
Moving around the Map: Pan • Click
to activate the Pan tool.
• Drag Boston to one corner of the window and release the mouse button. TransCAD redraws the map in the new location.
Moving around the Map • Choose Map-Previous Scale. TransCAD redraws the map as it was before you used the Pan tool. • Choose Map-Previous Scale again. TransCAD redraws the map as it was before you used the Zoom Out tool. • Choose Map-Initial Scale. TransCAD redraws the map as it was when you started.
Adding a New Layer • Choose Map-Initial Scale, then choose Map-Layers or click on the toolbar. • Click Add Layer to display the File Open dialog box. • From TCW\TUTORIAL, choose the file NESOUTH.CDF and click OK. • Click Close. TransCAD adds counties to the map.
Saving a Map • Choose File-Save or click
on the toolbar.
• Choose a writeable drive and then create TCW\TUTORIAL subdirectory. • Enter MYFIRST as the map name and click OK. TransCAD saves the map. • Choose File-Close to close the map.
Retrieving a Map • Choose File-Open or click on the toolbar, and choose MYFIRST.MAP from the TCW\TUTORIAL subdirectory. • Click OK. TransCAD opens and displays the map, as it was when you saved it.
Printing a Map • Choose File-Print or click
on the toolbar.
• Choose Landscape from the Orientation drop-down list and check the other printer settings. • Click Print. TransCAD prints the map.
Returning to a Previous Scale and Center • Map-Previous Scale command: use scale and center from before the last change • Map-Initial Scale command: use scale and center from when map was created or last saved. Style and other changes shown • Map-Snapshot command: shows how the map looked when last saved. Subsequent style and other changes not shown
How Map Features Are Organized • Grouped into layers, stored in files • Layer can be points, lines or areas • Layers can be visible or not • Visible layers are drawn in order • Working layer is one shown in layer list
Chang hangin ing g a Ma Map' p's s Laye L ayers rs • Clic Click k
for for Laye Layers rs dial dialog og box: box:
Rena enami ming ng a Layer Layer • Rena Renam me Lay Layeer dia dialo log g box box::
Pri rint ntin ing g a Ma Map • Clic Click k
for for Prin Printt Map Map dial dialog og box: box:
Basics Ba sics:: Style • Defini Definitio tion: n: The colors colors,, patte patterns, rns, symbol symbolss and and lines lines that are used to draw map features
Example: Style
Basics: Label • Definition: a way of identifying features on a map using text
Example: Label
Basics: Freehand Item • Definition: a point, line, shape, symbol, bitmap, or text item that is drawn using the freehand tools. Freehand items may be moved or edited with the pointer tool
Example: Freehand Item
Quick Start: Retrieving Your Map • Choose File-Close All to close any windows that you have open. • Choose File-Open or click on the toolbar, and choose MYFIRST.MAP from the TCW\TUTORIAL subdirectory. • Click OK. TransCAD opens and displays your Quick Start map.
Using Styles • Choose County from the drop-down list in the toolbar. • Click box.
on the toolbar to display the Style dialog
• Choose Solid from the Fill Style drop-down list and a color from the Color drop-down list. • Click OK. TransCAD redraws the map with the new style.
Changing the Map Background Style • Choose Map-Settings, then choose Solid from the Background Styles drop-down list and a color from the Background Color drop-down list. • Click OK. TransCAD redraws the map with the background color behind the filled counties.
Labeling Features in a Map • Click
on the toolbar; click Add Layer.
• From TCW\TUTORIAL choose the file NES_PLC.CDF, then click OK. • Click box.
on the toolbar to display the Labels dialog
• Choose City from the Field drop-down list. • Click OK. TransCAD labels the places with their names.
In Depth: Using Styles • Styles for points, lines, areas and the map background each have their own dialog box • Two ways to changes styles (and labels) for a layer: – Choose the layer from the drop-down list on the toolbar and click – Click
to get the Layers dialog box and click Style
Labeling Features in a Map • Labels identify map features • You can use any data field as a label • Labels can be: – Automatic: TransCAD decides how to place the labels, and which features are labeled – Manual: you decide how to place the labels, and which features to label. The labels become and act like freehand text
Automatic Labels • Click
for Labels dialog box:
Manual Labels • Click
for Manual Label dialog box:
Notes on Using Manual Labels • If you zoom in to a larger scale, manual labels get bigger; if you zoom out, they get smaller • More automatic labels may appear as you zoom in • Add manual labels to unlabeled features as a last step to touch up a map design
Quick Start: Using Freehand Items #1 • Click tool.
in the main toolbox to activate the Text
• Drag a rectangle on the map where you want the text, type your name and press Enter. • Click tool.
in the main toolbox to activate the Pointer
Using Freehand Items #2 • Click on the text to select it. • Click on one of the editing handles in a corner and drag it to change the size of the text. The text is redrawn at the new size. • Click anywhere inside the text, but not on one of the handles, and drag the text to a new location.
Using Freehand Items #3 • Drag the rotation handle to rotate the text. • Double-click on the text to display the Freehand Text dialog box. • Change the color to blue, the font to Times New Roman and the size to 24, then click OK. TransCAD redraws the text. • Press the Delete key to delete the selected freehand items.
In Depth: Drawing Tools •
Symbol tool
•
Line tool
•
Polygon tool
•
Rectangle tool
•
Circle tool
More Drawing Tools •
Text tool
•
Bitmap tool
•
North arrow tool
Working with Freehand Items • Pointer tool
is used to:
– Select one or more freehand items – Change the size of a freehand item – Rotate text or symbol items – Move freehand items – Edit freehand items
More Working with Freehand Items • Pointer tool
is also used to:
– Align freehand items:
– Change the order of freehand items – Make copies of freehand items – Delete freehand items
Basics: Theme • Definition: a method of illustrating the data that go with a map layer. Map themes use color, patterns, charts, or other symbols to illustrate the characteristics of map features.
Example: Color and Pattern Themes
Example: Dot-Density Theme
Example: Scaled-Symbol Theme
Example: Pie and Bar Chart Themes
Example: Combined Themes
Basics: Legend • Definition: an explanation of the symbols, colors and styles used in a map, usually in a box next to the map.
Example: Legend
Quick Start: Retrieving Your Map • Choose File-Close All to close any windows that you have open. • Choose File-Open or click on the toolbar, and choose MYFIRST.MAP from the TCW\TUTORIAL subdirectory. • Click OK. TransCAD opens and displays your Quick Start map.
Showing and Hiding a Legend • Click in the toolbar, or else choose Map-Settings to display the Map Settings dialog box, check the legend checkbox and click OK. TransCAD will show the legend. • Click in the toolbar again. TransCAD will hide the legend.
Getting Ready to Create a Theme • Choose Map-Scale or click in the toolbar to display the Map Scale dialog box. • Click the Show an Entire Layer radio button, choose the County layer and click OK. TransCAD redraws the map to show the whole County layer. • Make sure County shows in the drop-down list in the toolbar.
Creating a Theme • Click on the toolbar or choose Map-Color Theme to display the Color Theme dialog box. • Choose Population from the Field drop-down list and click OK. TransCAD redraws the map with the color theme, and shows the legend.
Adding Another Theme • Click on the toolbar or choose Map-Dot Density to display the Dot Density Theme dialog box. • Click on White and Shift-click on [Other Race] in the Field drop-down list and click OK. TransCAD redraws the map with the multi-variable dot-density theme and updates the legend.
Adding a Third Theme • Click on the toolbar or choose Map-Chart Theme to display the Chart Theme dialog box. • In the Field drop-down list, click on [Mode: Drove Alone] and Shift-click on [Mode: Bus], Ctrl-click on [Mode: Subway], then click OK. TransCAD redraws the map with the pie chart theme and updates the legend.
In Depth: Legends • Click
to show or hide legend
• Double-click on legend with the pointer tool
Using Themes to Present Information • About map themes • MapWizard instant mapping •
Color themes
•
Pattern themes (no button)
•
Dot-density themes
•
Scaled-symbol themes
•
Pie and bar chart themes
About Map Themes • Color often used first when exploring data • Pattern good for black and white printing • Color and pattern best with negative numbers and non-numeric data • Use chart or dot density to show values for two or more fields • Don’t use chart or dot density for percentages, ratios or averages
MapWizard(tm) Instant Mapping • Looks over the data • Creates the theme • Chooses a design that makes map clear and attractive • To change the designs, choose Edit-Preferences
Color Themes • Click
for Color Theme dialog box:
Color Theme Style • Click Style for Color Theme Style dialog box:
Methods for Color and Pattern Themes • Equal number of features • Equal range of values • Equal area/length • List of values • Nested means • Standard deviation • Manual
Manual Theme • Click Manual for Manual Theme dialog box:
Dot-Density Themes • Click
for Dot-Density Theme dialog box:
Dot-Density Theme Styles • Click Style for Dot-Density Theme Style dialog box:
Scaled-Symbol Themes • Click
for Scaled-Symbol Theme dialog box:
Pie and Bar Chart Themes • Click for Chart Theme dialog box:
