The main_context file

The main_context.xml is a script file that is used as an index of files to be loaded to run the entire project. Virtual plant projects have many graphic context files.

According to cfg_commons.xml file parameter main.graphicContext this is the base file for loading the simulation contents.

Only a few files that are automatically run by the system and the graphic context logic file do not have to be listed.

Good practice

A good practice is to create a list of defines; one for each section of the plant and to use them to enable/disable loading of set of files.

Being the 'main' project file, the main_context.xml can be used to store commands of general usage with their activation routes, often based on scene loading such as global.onEnter.

An example could be a command that deactivates after loading. This is done to ensure all the animations are not running at the same time and consuming FPS.

Code example

Code example for the main_context file.

<!-- defines --> <define name="load.section01" value="true" />

<define name="load.section02" value="true" />

<define name="load.section03" value="true" />

<define name="load.section04" value="true" />

<define name="load.section05-06" value="true" />

<define name="load.piperack" value="true" />

<define name="load.shares" value="true" />

<!-- sections --> <if condition="@def:load.section01@">

<include name="user\Section01.xml"/>

</if>

<if condition="@def:load.section02@">

<include name="user\Section02.xml"/>

</if>

<if condition="@def:load.section03@">

<include name="user\Section03.xml"/>

</if> <if condition="@def:load.section04@">

<include name="user\Section04.xml"/>

</if>

<if condition="@def:load.section05-06@">

<include name="user\Section05-06.xml"/>

</if>

<if condition="@def:load.piperack@">

<include name="user\Piperack.xml"/>

</if>

<!--animation name --> <if condition="@def:load.section01@">

<include name="user\E801.xml"/>

<include name="user\T801_NEW.xml"/>

<include name="user\E1304.xml"/>

<include name="user\T1401.xml"/>

</if> <if condition="@def:load.section02@">

<include name="user\G400.xml"/>

<include name="user\WF207.xml"/>

</if> <if condition="@def:load.section04@">

<include name="user\T1001_NEW.xml"/>

<include name="user\T1002_NEW.xml"/>

<include name="user\E701.xml"/>

</if> <if condition="@def:load.section05-06@">

<include name="user\ST2001.xml"/>

<include name="user\GT1501.xml"/>

<include name="user\D1903.xml"/>

</if>

<!-- logic files -->

<include name="user\animation_override.xml"/>

<include name="user\Animation_keysensors.xml"/>

<include name="user\liquidInside.xml"/>

<include name="user\initialCondition.xml"/>

<include name="user\weather.xml"/>

<include name="user\trends.xml"/>

<include name="user\pumps.xml"/>

<include name="user\pressureGauges.xml"/>

<include name="user\specials.xml"/>

<include name="user\logger.xml"/>

<include name="user\camera_settings.xml"/>

<if condition="@def:load.shares@">

<include name="user\shares.xml"/>

</if>