Can't show copy formula

[CharellkingQu]

    component_def = Sketchup.active_model.selection[0].definition
    custom_attr = {
        "_formatversion" => 1.0,
        "_has_movetool_behaviors" => 0.0,
        "_hasbehaviors" => 1.0,
        "_inst___iscollapsed_access" => nil,
        "_inst___iscollapsed_formlabel" => nil,
        "_inst___iscollapsed_formula" => nil,
        "_inst___iscollapsed_formulaunits" => nil,
        "_inst___iscollapsed_label" => nil,
        "_inst___iscollapsed_options" => nil,
        "_inst___iscollapsed_units" => nil,
        "_inst__copies_access" => nil,
        "_inst__copies_formlabel" => nil,
        "_inst__copies_formula" => "1+2",
        "_inst__copies_formulaunits" => nil,
        "_inst__copies_label" => "Copies",
        "_inst__copies_options" => nil,
        "_inst__copies_units" => nil,
        "_inst__iscollapsed" => "false",
        "_inst_copies" => 0.5333333333333258,
        "_lastmodified" => "2017-10-12 23:54",
        "_lengthunits" => "CENTIMETERS",
        "_name" => "Component#2",
    }

    custom_attr.each { |k, v|
        component_def.set_attribute("dynamic_attributes", k, v)
    }

when i set copy attribute, but i can’t see the “Copies” attribute

[MikeWayzovski]

You are missing some/adding the wrong…:

check with attribute inspector what attributes are being used when adding an attribute in DC.

[CharellkingQu]

i set the copy attribute as the “inspector attributes” tools but the "Copies " still not appear.

UI.menu("Plugins").add_item("step3") do
    component_def = Sketchup.active_model.selection[0].definition
    component_attr = component_def.attribute_dictionaries["dynamic_attributes"]

    custom_attr = {
        "_formatversion" => 1,
        "_has_movetool_behaviors" => 0,
        "_lastmodified" => "2017-10-14 15:46",
        "_lengthunits" => "CENTIMETERS",
        "_hasbehaviors" => 1,
        "_inst___iscollapsed_access" => "null",
        "_inst___iscollapsed_formlabel" => "null",
        "_inst___iscollapsed_formula" => "null",
        "_inst___iscollapsed_formulaunits" => "null",
        "_inst___iscollapsed_label" => "null",
        "_inst___iscollapsed_options" => "null",
        "_inst___iscollapsed_units" => "null",
        "_inst__copies_access" => "null",
        "_inst__copies_formlabel" => "null",
        "_inst__copies_formula" => "1+2",
        "_inst__copies_formulaunits" => "null",
        "_inst__copies_label" => "Copies",
        "_inst__copies_options" => "null",
        "_inst__copies_units" => "null",
        "_inst__iscollapsed" => "false",
        "_inst_copies" => 0.5333333333333324,
        "_lastmodified" => "2017-10-14 15:59",
        "_lengthunits" => "CENTIMETERS",
        "_name" => "Component#2",
    }

    custom_attr.each { |k, v|
        component_def.set_attribute("dynamic_attributes", k, v)
    }
end

[MikeWayzovski]

Try to first make component. Only add copies attributes with formula in Dynamic Components Attributes dialog, you would get these attributes in the dynamic_library :

Attributes

    "_copies_error" => "1+2",
    "_copies_formula" => "1+2",
    "_copies_label" => "Copies",
    "_formatversion" => 1,
    "_has_movetool_behaviors" => 0,
    "_hasbehaviors" => 1,
    "_inst__copies_access" => "null",
    "_inst__copies_formlabel" => "null",
    "_inst__copies_formula" => "1+2",
    "_inst__copies_formulaunits" => "null",
    "_inst__copies_label" => "Copies",
    "_inst__copies_options" => "null",
    "_inst__copies_units" => "null",
    "_inst__copy_access" => "null",
    "_inst__copy_formlabel" => "null",
    "_inst__copy_formula" => "null",
    "_inst__copy_formulaunits" => "null",
    "_inst__copy_label" => "null",
    "_inst__copy_options" => "null",
    "_inst__copy_units" => "null",
    "_inst_copies" => 3,
    "_inst_copy" => 3,
    "_lastmodified" => "2017-10-14 15:00",
    "_lengthunits" => "CENTIMETERS",
    "_name" => "MyNamedComponent",

Try it with a newly made component. To work properly, you would have to redraw the DC, first get the proper observer, then do a redraw on selection.

sel=Sketchup.active_model.selection[0]
dcs = $dc_observers.get_latest_class 
dcs.redraw_with_undo(sel)