Script40_2DGraphPlotter.lua

-- Lua example for Autodesk Netfabb 2022.2

-- This script demonstrates the graph drawing utility

dialog = nil
dialog_image = nil

LINE_NONE = 0
LINE_SMOOTH = 1
LINE_EXACT = 2

NODE_NONE = 0
NODE_CIRCLE = 1
NODE_QUAD = 2
NODE_DIAMOND = 3

function DoDraw()
    -- create draw object
    graphdrawer = system:creategraphdrawer()
    graphdrawer.title = "Random Data"
    graphdrawer.caption_x = "Time"
    graphdrawer.caption_y = "Distance"
    graphdrawer.unit_x = "s"
    graphdrawer.unit_y = "mm"
    graphdrawer.formatter_x = "%.1fs"
    graphdrawer.formatter_y = "%.0f"
    graphdrawer.grid_space_x = 10
    graphdrawer.grid_space_y = 5
    graphdrawer.font_size = 40
    graphdrawer.margin = 60
    graphdrawer.margin_right = 80
    graphdrawer.margin_bottom = 130
    graphdrawer.padding = 25
    graphdrawer.border = 2
    graphdrawer.grid = 1
    graphdrawer.color_background = 0xFFFFFF

    -- insert values to datasets
    dataset_all = graphdrawer:adddataset()
    dataset_all.legend = "All"
    dataset_all.line_type = LINE_EXACT
    dataset_all.node_type = NODE_NONE
    dataset_all.line_size = 1
    dataset_all.color_line = 0x888888

    dataset_smooth = graphdrawer:adddataset()
    dataset_smooth.legend = "Smoothed"
    dataset_smooth.line_type = LINE_SMOOTH
    dataset_smooth.node_type = NODE_NONE
    dataset_smooth.line_size = 10
    dataset_smooth.line_smooth = 10
    dataset_smooth.color_line = 0xBBBBBB

    dataset_above = graphdrawer:adddataset()
    dataset_above.legend = "Above"
    dataset_above.line_type = LINE_NONE
    dataset_above.node_type = NODE_CIRCLE
    dataset_above.node_size = 27
    dataset_above.node_border = 3
    dataset_above.color_node = 0xFF8888
    dataset_above.color_node_border = 0x880000

    dataset_below = graphdrawer:adddataset()
    dataset_below.legend = "Below"
    dataset_below.line_type = LINE_NONE
    dataset_below.node_type = NODE_QUAD
    dataset_below.node_size = 23
    dataset_below.node_border = 3
    dataset_below.color_node = 0x8888FF
    dataset_below.color_node_border = 0x000088

    dataset_left = graphdrawer:adddataset()
    dataset_left.legend = "Left"
    dataset_left.line_type = LINE_NONE
    dataset_left.node_type = NODE_DIAMOND
    dataset_left.node_size_x = 25
    dataset_left.node_size_y = 40
    dataset_left.node_border = 3
    dataset_left.color_node = 0x88FF88
    dataset_left.color_node_border = 0x008800
    local offset = math.random() * 10
    for i = 0, 30 do
        local x = i + offset + (math.random() - 0.5) * i * (30 - i) * 0.03
        local y = i + offset + (math.random() - 0.5) * i * (30 - i) * 0.03

        dataset_all:addvalue(x, y)
        dataset_smooth:addvalue(x, y)
        if i < 10 then
            dataset_left:addvalue(x, y)
        elseif y > x then
            dataset_above:addvalue(x, y)
        else
            dataset_below:addvalue(x, y)
        end
    end

    -- render into generic image object
    local graph_image = graphdrawer:draw(dialog_image.width, dialog_image.height)

    -- save to disk
    -- graph_image:saveto('D:/Temp/RandomDataPlot.png');

    -- show result in dialog
    dialog_image:setimage(graph_image)
end

function DoCancel()
    system:log("close")
    dialog:close(false)
end

function ShowDialog()
    local dlg_width = 700
    dialog = application:createdialog()
    dialog.caption = "Random Data Plotter"
    dialog.width = dlg_width
    dialog.translatecaption = false

    dialog_image = dialog:addimage()
    dialog_image.width = dlg_width
    dialog_image.height = 500

    local splitter = dialog:addsplitter()
    splitter:settoleft()
    local button = splitter:addbutton()
    button.caption = "Draw"
    button.translate = false
    button.onclick = "DoDraw"

    splitter:settoright()
    button = splitter:addbutton()
    button.caption = "Cancel"
    button.translate = false
    button.onclick = "DoCancel"

    DoDraw()

    if dialog:show() then
        return true
    end
    return false
end

system:setloggingtooglwindow(true)
ShowDialog()