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No pin P_CAMERA in nodes with type NT_CAM_THINLENS

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No pin P_CAMERA in nodes with type NT_GEO_MESH

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local copyCam = copyRt:getInputNode(octane.P_CAMERA)

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-- Returns copies of:
--  * the original scene graph
--  * the sun direction node connected to the daylight environment 
--  * the render target node
-- These copies prevent us from modifying the original scene
local function getSceneCopy()

    -- get the selected render target
    local selectedRt = octane.project.getSelection()[1]
    if not selectedRt or selectedRt:getProperties().type ~= octane.NT_RENDERTARGET then
        showError("no render target selected", true)
    end

    -- Create a full copy of the whole project so we don't modify the original project.
    local copyScene = octane.nodegraph.createRootGraph("Project Copy")
    local copyRt    = copyScene:copyFromGraph(octane.nodegraph.getRootGraph(), { selectedRt })[1]

    -- check if a daylight environment is connected to the render target
    local copyEnv = copyRt:getInputNode(octane.P_ENVIRONMENT)
    if not copyEnv or copyEnv:getProperties().type ~= octane.NT_ENV_DAYLIGHT then
        showError("no daylight environment connected to the render target", true)
    end

    -- check if a sun direction is connected to the daylight environment
    local copySunDir = copyEnv:getInputNode(octane.P_SUN_DIR)
    if not copySunDir or copySunDir:getProperties().type ~= octane.NT_SUN_DIRECTION then
        showError("no sun direction connected to the daylight environment", true)
    end

    return copyScene, copyRt, copySunDir 
end