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====== Tutorial 4 - Creating a custom index list ======

===== 2/5 =====

In this lesson you will create a new index list with indices for different types of plants.

You will also create a new index list which maps to the //Plants// index list. This index list will be used for a parameter which has the same value for plants of a common type.

<HTML><ol></HTML>
<HTML><li></HTML><HTML><p></HTML>Open the file from the previous exercise.<HTML></p></HTML><HTML></li></HTML>
<HTML><li></HTML><HTML><p></HTML>Open the [[Index_lists_window|Index lists window]].<HTML></p></HTML><HTML></li></HTML>
<HTML><li></HTML><HTML><p></HTML>Right-click the window and select **New | Index list** from the pop-up menu. An [[Index_list|Index list]] named “IndexList” will appear in the list.<HTML></p></HTML><HTML></li></HTML>
<HTML><li></HTML><HTML><p></HTML>Right-click the new [[Index_list|Index list]] and select **Edit** from the pop-up menu.<HTML></p></HTML><HTML></li></HTML>
<HTML><li></HTML><HTML><p></HTML>In the **Properties** tab, change the name from “IndexList” to “Plants”.<HTML></p></HTML><HTML></li></HTML>
<HTML><li></HTML><HTML><p></HTML>Select the **Values** tab. Click the **Add** button so that the table shows four indices. Click an index in the table to give it a new name.<HTML></p></HTML><HTML></li></HTML>
<HTML><li></HTML><HTML><p></HTML>Name the indices:<HTML></p></HTML>
<HTML><ol></HTML>
<HTML><li></HTML>Pine<HTML></li></HTML>
<HTML><li></HTML>Fir<HTML></li></HTML>
<HTML><li></HTML>Wheat<HTML></li></HTML>
<HTML><li></HTML>Oats<HTML></li></HTML><HTML></ol></HTML>

<HTML><p></HTML>\\
<HTML></p></HTML>
<HTML><p></HTML>{{:tutorial_4_2_1.png|Screenshot}}<HTML></p></HTML><HTML></li></HTML>
<HTML><li></HTML><HTML><p></HTML>Click **Ok** to close the window.<HTML></p></HTML><HTML></li></HTML><HTML></ol></HTML>

\\

**Creating a mapped index list**

<HTML><ol></HTML>
<HTML><li></HTML><HTML><p></HTML>Right-click the window and select **New | Index list** from the pop-up menu.<HTML></p></HTML><HTML></li></HTML>
<HTML><li></HTML><HTML><p></HTML>Right-click the new [[Index_list|Index list]] and select **Edit** from the pop-up menu.<HTML></p></HTML><HTML></li></HTML>
<HTML><li></HTML><HTML><p></HTML>In the **Properties** tab, change the name from “IndexList1” to “Plant types”.<HTML></p></HTML><HTML></li></HTML>
<HTML><li></HTML><HTML><p></HTML>Select the **Values** tab. Add two indices to the index list and name them:<HTML></p></HTML>
<HTML><ul></HTML>
<HTML><li></HTML>Tree<HTML></li></HTML>
<HTML><li></HTML>Grain<HTML></li></HTML><HTML></ul></HTML>
<HTML></li></HTML>
<HTML><li></HTML><HTML><p></HTML>Select the **Mapping** tab. From the **Mapped index list** drop down list, choose “Plants”.<HTML></p></HTML><HTML></li></HTML>
<HTML><li></HTML><HTML><p></HTML>Map the indices according to the table below:<HTML></p></HTML>
<HTML><p></HTML>\\
<HTML></p></HTML>
^From ^To   ^
|Pine |Tree |
|Fir  |Tree |
|Wheat|Grain|
|Oats |Grain|

<HTML><p></HTML>\\
\\
<HTML></p></HTML>
<HTML><p></HTML>{{:tutorial_4_2_3.png|Screenshot}}\\
<HTML></p></HTML><HTML></li></HTML>
<HTML><li></HTML><HTML><p></HTML>Click **Ok** to close the window.<HTML></p></HTML><HTML></li></HTML><HTML></ol></HTML>

{{:tutorial_4_2_2.png|Screenshot}}
\\

**Next**

  * [[Tutorial_4-Creating_expressions_and_parameters|Creating expressions and parameters (3/5)]]

**Previous**

  * [[Tutorial_4-Using_index_lists_(Advanced)|Using index lists (Advanced) (1/5)]]

**References**

  * [[Tutorials|Back to Tutorials]]
  * [[start|Home]]
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