7.11 Tutorial on How to Apply Recommended Color-Coding to a Draft CLUP

Wed, 11/21/2007 - 16:01

Introduction

In this tutorial, which is to be used at the Applied Training, we will use the existing land use dataset (LM01) since no data have been prepared for the CLUP dataset (LM02).

This tutorial deals with simple operations such as changing symbology and colors. The output will be a draft CLUP containing the recommended colors.

1 Getting started
1.Open ArcMap and add the LM01_ExiLu.shp layer to the workspace. It is found in the folder C:\CLUP_EXERCISE_DATA\04_LM\

The red-green-color coding (RGB) is handy to work with on computers, since most programs define colors as a mixture of these three colors. In ArcGIS those codes are accessible through a special Color Selection Window. The complete recommended color-coding is found in Annex 4-3 of Volume 1. Below follows an extract from the Annex.

1.2 In the table of content, right-click on LM01_ExiLu, then select Properties. On your screen the Layer Properties window will appear. Select the Symbology tab.
1.3 See image below. Click on Categories at the left and select Unique values. From the Value Field list menu select ELU_TP. Click Add All Values.

1.4 Uncheck the symbol for . Place the cursor over the word ELU_TP in the Label-column. Click once. You can now edit the label to 'Land Use Category'. Click Apply, then OK. Verify that your screen looks like below (don’t mind if the color scale is different):
1.5Save a map document. Click File > Save as in the menu bar. Name the new file ‘draft_clup_v1’ and save it in the \CLUP_EXERCISE_DATA\06_Workfolder\ folder. Don’t forget to save your progress now and then throughout the exercise.
2Assigning Recommended Colors
2.1 Now we will assign the correct color to the first category.
Open the Layer Properties window, Symbology tab. Right-click on AGRICULTURAL and click Properties for selected Symbol(s). The Symbol Selector window will open. In the Options box click on the small arrow next to Fill color (see image below):

2.2 Then select More colors… at the bottom. Now the Color Selector window opens (see image below). Type in the RGB code for Agriculture “0,150,0” or use the selector bar arrows. Then click OK and OK once more.

2.3Repeat the same procedure in step 2.1 and 2.2. For each category, assign the color according to the recommended palette in Annex 4-3. Your table of content and workspace should now look like this:

3Arranging Categories
3.1You can now arrange the land use categories in a better order. Open the Layer Properties window, go to the Symbology tab. Simply use the arrows at the right of the categories to move one category up or down. Follow the order given by Annex 4-3. Your table of content should after this have the same appearance as shown in image below:

4Assigning Symbology

If you have studied the Annex 4-3, forest and water use areas will have the same color for sub-categories. However, it’s recommended to separate categories with symbols. This is also the recommendation for the different forest areas.
4.1Open the Layer Properties window and go to the Symbology tab. Right-click on Mangrove Forest and select Properties for selected Symbol(s)… The Symbol Selector window will now open. Click on Properties. The Symbol Properties Editor window appears.
4.2 In the Type list menu, select Picture Fill Symbol. See image below.

4.3 Click OK. Now browse and select the mangrove bitmap file. If ArcGIS did not take you to the correct folder at once, the path is usually something like C:\Program Files\ArcGIS\Bin\Styles\. Click OK.
4.4See image below. Now select “Grey 70%” as foreground color. Click on the small arrow beside Foreground color and select the color in the first column’s third row from the bottom. If you use the Color Selector, the RGB code is 78,78,78.
4.5Now, make sure that the Background Color is set on RGB '175,215,230'. Click OK to close the Symbol Property Editor window.
4.6Click OK.
Do you read this and have completed all the steps above? You are finished with the exercise. Well done!

Ver 1.0


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