Lab 2 Visual Guide
Lab 2 Visual Guide Index
- Explore the data via the Contents pane
- Design symbols using the Symbology pane
- Make your second (smaller-scale) map
- Add each map to a layout
- Finalize and save your layouts
- Additional tips and tricks
1. Explore the data via the Contents pane
Open up the ArcGIS Pro Project that you created in Lab 1. Make sure that you incorporate any feedback that you received from Lab 1 regarding your geodatabase (using recommended naming conventions, etc.).
You can toggle on and off layers using the associated checkboxes in the Contents pane. The World Topographic Map basemap should be the default basemap in your ArcGIS Pro project. The basemap also comes with a reference layer (that you can use to help locate an area of interest to map) that you can toggle on and off, but we won’t be including any labels on our map in Lab 2. We will work with labeling in Lab 3. While you can use the World Topographic Map layer as a guide during the map design process, make sure that you toggle off the World Topographic Map layer before you submit your final maps for this lesson.
Add all your layers to your map. For better handling of your layers, you can group them in the same way they are grouped in your geodatabase. Highlight the layers that are in the same feature class and right-click and then click on Group. Make sure the name your groups the same name as your feature datasets. Eventually, you will need to look at multiple layers at once, so that you can see how all your symbols look together. It will likely be easiest at first, however, to turn off (un-check) most of the layers so you can focus on one layer at a time.
3. Design symbols using the Symbology Pane
As a suggestion, it may make sense if you started from the “bottom” layer and worked your way “up.” In other words, think about “visually” what is the lowest layer in the list of data. For example, let’s assume the area of interest you selected is near a large water body. What color would you assign to that water body? Figure 2.3 shows how to select a layer (here, railroads) and open the Symbology pane. Clicking on the symbol will let you edit its properties. The next layer to work with may be “land.” Again, what color do you imagine appropriate for land given you color choice for the water body. How does the land color you selected contrast/compliment with the water color you chose? Upon inspection, you will likely have to change the colors associated with one or more of the layers until you have achieved a visual agreement with all of the layers, their colors, line thickness, and line styles. Continue adding additional layers according to your visual hierarchy.
Looking in the Gallery of the Symbology pane will give you some ideas, but you should alter these symbols – do not accept the defaults.
Design changes (e.g., color; thickness, style) are made in the symbol properties tab (Figure 2.5; left tab of the Symbology pane). Note that for Map 1 in this lesson you must work only in greyscale. Think about symbol ordering/importance as you design – more important features should have greater visual emphasis. Most detailed work is done in the symbol layers tab (Figure 2.5; middle tab). Experiment with the many options available (e.g., offsets and dashes). You can also preview your symbol at the bottom of the pane. The Symbol Structure tab (Figure 2.5; right tab) allows you to make multilayer lines. You can also drag to re-order these lines.
You may notice a strange “caterpillar” effect when you create multi-layer lines. This is due to the default layering of line segments in ArcGIS Pro, but it’s easy to fix.
You can fix this layering issue by enabling Symbol layer drawing within that layer from the Symbology Pane.
In Lab 1, you classified the road and water features. See if you can make any improvements upon your existing symbology for these features using what you learned so far. One example of the way you can change the line symbology is making more important road types such as highways more visually prominent) while one way you can change the area symbology is to explore the fill and outline color/pattern options. Experiment with different patterns but be careful with their implementation as patterns can look harsh and visually disruptive: remember that your main map must be designed in greyscale. Exploring the Gallery tab may help you develop ideas.
You are free to alter the labels for each feature type, or change their order using the arrows in the Symbology pane. Note that it doesn’t really matter what your labels are for this lab, as long as you understand them. We will not be creating a legend in Lab 2, so these labels will only be visible to you.
You can also drag to re-arrange entire layers within the Contents pane. Think carefully about the ordering of the features on your map. Should railroads be drawn above or below lakes and rivers? What about political boundaries? Why? You may want to reference popular general purpose maps such as Google maps to compare your choices, but there is not always a right answer. Think of your audience and map purpose!
4. Make your second (smaller-scale) map
Once you’re happy with your large-scale (1:24,000) map, save it as a map file by right-clicking on the map name in the Contents pane – you should save it in the same folder as this ArcGIS project folder to keep everything organized and connected.
You can then import that saved map into this map project. Note that a map project can contain several different maps and map layouts. Once you re-import your map, this will create a duplicate map within the project file. You can then use this as a starting map for making your smaller scale map. Your main tasks then will be to add color and adjust your symbols for this smaller scale.
Creating a duplicate map this way is not required. Another option is to start your second map from scratch. I recommend creating and editing a copy of your first map instead, as this map will likely have a similar design to your first map, and creating a copy will prevent you from having to re-do a significant amount of design work (unless your second map has a different scope and purpose than the first map).
Staying organized will help you tremendously in the long run. A big part of this is saving your map files with useful file names. Use the Properties dialog box to change your map names to something memorable and descriptive – you don’t want to mix them up.
Some ideas for descriptive map names are shown below:
5. Add each map to a layout
Use the Insert tab to create an 8.5″ by 11″ layout. Either Portrait or Landscape layouts are fine—but either way, use guides to create a ½ inch margin all around. Once you’ve created a layout, you can import your map as shown below. Use the labeled map rather than the “default” map to insert your map at the appropriate scale.
6. Finalize and save your layouts
Once you’ve added your map to a layout, you’ll want to make some final adjustments.
- You’ll need to activate your map as shown below to pan around the area.
- Make sure you’ve chosen an area of interest that suits the map requirements. It’s ok to adjust your map’s location at the end – when you designed your map symbols, they were automatically applied to the entire dataset.
- Whether or not your map is activated, you can adjust its scale at the bottom of the page.
- Make sure that you toggle off any basemaps before you submit your final maps. Except for your name, there shouldn’t be any labels or text on the map.
- Note that the map in Visual Guide Figure 2.19 is not well-designed at all – it’s intended only as an example of how to insert and activate a map in a layout.
The final step is to export your maps as PDFs. Remember you will have two layouts, one for each map. Use the Share tab to export your layouts.
Considerations when exporting. For most maps, a 300dpi is fine. However, if you use
- gradient area fills
- complex area patterns
- coastline effects
then, change the resolution to 150dpi. Otherwise, the file sizes will become extremely large and Canvas can’t display these large file sizes. Once your PDF is exported, check the file size. You should keep your exported PDF’s file size to less than 10MB. When I go to look at your maps, Canvas has a difficult time displaying files larger than 10MB.
7. Additional tips and tricks
Use “Show count” to view how many of each feature type are included in the map data.
Remember to experiment with multiple layers, verify your map design meets all requirements, and design your 1:24,000 map in only greyscale and your 1:100,000 using color. Designing a map in greyscale may require you to be a bit creative with multilayer symbols and patterns – but that’s a good thing! As shown in the example below, you can use different shades of grey and patterns or other fill ideas to create interesting map symbols.
Data Source: The National Map.