ICT

Query a map using selections (attribute and location). Create a map layout and insert map elements. Use advanced symbology and labeling. Print, export and send a map.

4.1 Introduction

the most effective selection method one can use to select features in a layer is to select features using an attribute query.

one of the selection methods you can use to select features in a layer is to select features using an attribute query.

Which parcels of Cyiri Cell belong to Birambo Village? the attribute query to use is from Picture 4.1;

Step 1:Click selection > select By Attributes to open the select By Attributes dialog box.

Step 2: Choose the layer to perform the selection against.

Step 3: specify the selection method.

Step 4: enter a query expression.see Building a query expression for information on the syntax of a query.

Step 5:Validate your query expression by clicking Verify.

Step 6:Click OK or Apply to execute your selection expression and work with the selection results.

Step 7: optionally, you can save your query expression for later reuse before closing this dialog box

Step 1:Click selection > select By location.

Step 2:Constructing a location query

Using Arc GIS, create an administration map of Rwanda, the map should present provinces, districts and lakes.

Step 1: start Arc GIS Pro.

Step 2: open an empty map.

Step 3:Add new data or file.

Step 4: on the Open page, under Open, click Computer and click Browse .

Note: That the folder that contains data to use must be connected to Arc GIS.

Step 5:If you want to change color of the layer, double click on the color, this window will open.

Step 6: Add Districts layer.

Step 7: to change all Districts layer color, do the same as step 5.

Step 8: Add lakes layer.

1. Add province labels and districts labels to the map of Rwanda.

2. Remove the labels you have added in number (1) above.

Step 1: Right click on the layer, (province).

Step 2:Click on Properties, the layer properties dialog box below displays.

Step 3:Click on Labels tab. Perform actions 1-5 in dialog box above. After following steps in picture above, the results are shown in picture 4.23.

Step 4: Add labels on Districts layer. Right click Districts Layer.

Step 5: select Labels tab, as shown below.

After performing actions 1 and 2 with the Layer properties box above, the result will be as shown below:

to remove labels on a layer, follow the steps given below;

Step 1: Right click on layer, e.g Districts then select properties.

Step 2: Click OK at the bottom of layer properties dialog box.

a) Using the Activity 4.3, remove labels on provinces and then add labels on lakes.

b) Add rivers layer and apply labels on it.

the basic 4 elements that a map should have: title, legend, scale, date, author, orientation and text. We will show how to insert them in a map as an activity. Follow the steps given on each element.

Using the map of Rwanda we used in previous activities, follow steps given below to insert a legend.

Step 1:Change from data view to Layer out view. Use view button or view menu on the lower left side of the Arch map window.

   

Step 2:Go to Insert menu, then Choose Legend.

         

              

Follow the instruction given by Arc GIS, then after click OK.

Step 1:Click Insert menu.

Step 2: Choose North Arrow

Step 3: select how to use, then Click OK

Step 1:Repeat step 1 and 2, above (under Insert orientation).

Step 2: select Scale bar.

Step 3: scale Bar dialog box will be displayed, then choose the scale you want to use, then click OK.

Step 4: A map with scale is displayed as shown below.

there are several kinds of text you can insert in a map. text can be meaningful words, characters or numbers placed on a map. to add text, follow steps given below:

Step 1:Click Insert menu, point to Dynamic text.

Step 2: select text category you want to insert e.g Author, Document name, etc.

Step 1:Click on Insert menu.

Step 2: select Title.

Step 3: type text as title in the dialog box that displays.

the purpose of page and print setup is to organize your map ready for printing.

Perform a page and print setup of the map you added in the previous Activity (4.3). Follow the steps below:

Step 1: navigate to File > Page and Print Setup.

 

Step 2: select the printer.

Step 3: select the Printer Paper size and orientation for the map. see the link in the Related Information section for information on setting up a custom page size.

Step 4:Check, if the map has already been created, on ‘Scale map elements proportionally to changes in map size’ at the bottom of Print and Print setup dialog box.

Step 5: select ‘Use Printer Paper Settings’. this grays out the bottom section, Map page size, because the map is now using the Printer paper size and orientation settings.

Step 6:Click OK.

to save a map is to store it for future references using a specific name and location on a storage device. to save or export a map is to prepare the map in format that can allow it to be easily moved or exported from one computer to another.Save a map

Step 1:Click File menu and select “Save As...”

Step 2: Choose the location and the name of the map.

Prepare to send your map by following the steps given below:

Step 1: on File menu, click Export Map

Step 2:In the export Map dialog box, select File name and File format from Save as type drop down menu.

1. Given Rwanda administrative boundaries data ,open a new map document and add the following data on the map:

a) Provinces

b) Districts

c) sectors

d) Rivers

e) national parks

then do the following:

(i) Add label to each layer.

(ii) Insert legend, scale and orientation.

(iii) Insert map title, author and date.

(iv) export the map in PDF file and send it to your teacher’s email.

2. Given the map of Kigali city, open the new map and add the following data.

          ·City divisions.

          ·Roads.

then perform the following:

(i) Add a label to each layer.

(ii) Insert a map title, author and date.

(iii) export the map in .jpg. file format.