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Additionally, applications that use ParamML and OpenBrIM objects can also utilize Group objects to store custom data. Group objects can be nested within all types of objects, providing a flexible and organized way to manage data within a project.

Syntax

Code Block
languagexml
<O T="Group">
.....
.....
.....
</O>

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We can group various objects created as volumes under a single title called "volume" using the Group object. This allows us to move or manipulate all of the volumes at the same time, such as by shifting their position or placing them on the same route in a single move. This can be useful in situations where multiple similar objects need to be managed or manipulated together.

Code Block
languagexml
<O N="Volume _Group" T="Project" Category="Core Objects">
    <!-- created by ParamML Examples on 26.01.2023 -->
    <O N="Volume Object" T="Group" X="80" Alingment="Straight" AlignH="None" AlignT="None" AlignV="None">
        <O N="Volume1" T="Volume">
            <P N="Opacity" V="0.5" />
            <O T="Surface">
                <O T="Point" Y="-5" Z="0" />
                <O T="Point" Y="5" Z="0" />
                <O T="Point" Y="5" Z="10" />
                <O T="Point" Y="-5" Z="10" />
            </O>
            <O T="Surface" X="100">
                <O T="Point" Y="-5" Z="0" />
                <O T="Point" Y="5" Z="0" />
                <O T="Point" Y="5" Z="10" />
                <O T="Point" Y="-5" Z="10" />
            </O>
        </O>
        <O N="Volume2" T="Volume">
            <P N="Opacity" V="0.7" />
            <O T="Surface" X="150">
                <O T="Point" Y="-5" Z="0" />
                <O T="Point" Y="5" Z="0" />
                <O T="Point" Y="5" Z="10" />
                <O T="Point" Y="-5" Z="10" />
            </O>
            <O T="Surface" X="250">
                <O T="Point" Y="-5" Z="0" />
                <O T="Point" Y="5" Z="0" />
                <O T="Point" Y="5" Z="10" />
                <O T="Point" Y="-5" Z="10" />
            </O>
        </O>
    </O>
</O>
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Image Added
 To view this example in the library, see (https://openbrim.org/platform/?application=inc&author=ParamML_Examples_OpenBrIM+Platform&folder=Core+Objects&obj=objidjvbl1f51lproyl9yftagn)
Example: In this case, the parameters are organized and grouped under the Groups object
 Code Block
languagexml
<O N="Group_Example1" T="Project" Category="Core Objects">
    <!-- created by ParamML Examples on 26.01.2023 -->
    <O N="Parameters" T="Group">
        <P N="height" V="20" />
        <P N="width" V="1" />
        <P N="depth" V="2" />
    </O>
    <O N="Column3D" T="Surface">
        <P N="Thickness" V="height" />
        <O T="Point" X="0" Y="0" Z="0" />
        <O T="Point" X="width" Y="0" Z="0" />
        <O T="Point" X="width" Y="depth" Z="0" />
        <O T="Point" X="0" Y="depth" Z="0" />
    </O>
</O>
As demonstrated in the code, the parameters are organized and grouped together under a "Group" object. This allows for better organization and management of the parameters within the project, making it easier to access and manipulate the parameters as needed.
Image Added
To view this example in the library, see (https://openbrim.org/platform/?application=inc&author=ParamML_Examples_OpenBrIM+Platform&folder=Core+Objects&obj=objid28h88drjowaj081pbecbkcfw)
Example: Group object with User “Input” parameter.
 Code Block
languagexml
<O N="Group_Example2" T="Project" Category="Core Objects">
    <!-- created by ParamML Examples on 26.01.2023 -->
    <O N="Inputs" T="Group">
        <P N="height" V="240" Role="Input" Category="Inputs" />
        <P N="width" V="12" Role="Input" Category="Inputs" />
        <P N="depth" V="24" Role="Input" Category="Inputs" />
    </O>
    <O N="Column3D" T="Surface">
        <P N="Thickness" V="height" />
        <O T="Point" X="0" Y="0" Z="0" />
        <O T="Point" X="width" Y="0" Z="0" />
        <O T="Point" X="width" Y="depth" Z="0" />
        <O T="Point" X="0" Y="depth" Z="0" />
    </O>
</O>
Image Added
You can see the component of the Group Object indicated by the red arrow under "Debug Trace”
To view this example in the library, see (https://openbrim.org/platform/?application=inc&author=ParamML_Examples_OpenBrIM+Platform&folder=Core+Objects&obj=objidzng76y465jk6989dis4w)
Example: Group Object with Guard Parameter.
 Code Block
languagexml
<O N="Group_Example3" T="Project" Category="Core Objects">
    <!-- created by ParamML Examples on 26.01.2023 -->
    <O N="Inputs" T="Group">
        <P N="height" V="240" Role="Input" Category="Inputs" />
        <P N="width" V="12" Role="Input" Category="Inputs" />
        <P N="depth" V="12" Role="Input" Category="Inputs" />
        <P N="type" V="2" Role="Input" Category="Inputs" />
    </O>
    <O N="Rectangular Column" T="Line">
        <P N="Guard" V="type .EQ. 1" />
        <O T="Point" X="0" Y="0" Z="0" />
        <O T="Point" X="0" Y="0" Z="height" />
        <O N="Rectangular" T="Section">
            <O T="Shape">
                <O T="Point" X="-width/2" Y="-depth/2" />
                <O T="Point" X="-width/2" Y="depth/2" />
                <O T="Point" X="width/2" Y="depth/2" />
                <O T="Point" X="width/2" Y="-depth/2" />
            </O>
        </O>
    </O>
    <O N="Circular Column" T="Line">
        <P N="Guard" V="type .EQ. 2" />
        <O T="Point" X="0" Y="0" Z="0" />
        <O T="Point" X="0" Y="0" Z="height" />
        <O N="Circular" T="Section">
            <O T="Circle" Radius="width/2" />
        </O>
    </O>
</O>
To view this example in the library, see (https://openbrim.org/platform/?application=inc&author=ParamML_Examples_OpenBrIM+Platform&folder=Core+Objects&obj=objid5wmpv2algs8awxwy0kxaa)
Example: Group Object with Enumeration
 Code Block
languagexml
<O N="Group_Example4" T="Project" Category="Core Objects">
    <!-- created by ParamML Examples on 26.01.2023 -->
    <O T="Group">
        <P N="RECTANGULAR" V="1" />
        <P N="CIRCULAR" V="2" />
    </O>
    <O N="Inputs" T="Group">
        <P N="height" V="50" />
        <P N="width" V="1" />
        <P N="depth" V="1" />
        <P N="type" V="RECTANGULAR" />
    </O>
    <O N="Rectangular Column" T="Line">
        <P N="Guard" V="type .EQ. RECTANGULAR" />
        <O T="Point" X="0" Y="0" Z="0" />
        <O T="Point" X="0" Y="0" Z="height" />
        <O N="Rectangular" T="Section">
            <O T="Shape">
                <O T="Point" X="-width/2" Y="-depth/2" />
                <O T="Point" X="-width/2" Y="depth/2" />
                <O T="Point" X="width/2" Y="depth/2" />
                <O T="Point" X="width/2" Y="-depth/2" />
            </O>
        </O>
    </O>
    <O N="Circular Column" T="Line">
        <P N="Guard" V="type .EQ. CIRCULAR" />
        <O T="Point" X="0" Y="0" Z="0" />
        <O T="Point" X="0" Y="0" Z="height" />
        <O N="Circular" T="Section">
            <O T="Circle" Radius="width/2" />
        </O>
    </O>
</O>
To view this example in the library, see (https://openbrim.org/platform/?application=inc&author=ParamML_Examples_OpenBrIM+Platform&folder=Core+Objects&obj=objidsc7ube8d137drl5yzmoum)