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8a42657deb
* Update name and path format of examples that follow the new structure * Fix a broken (updated) property name in an example * Make other examples' GUI paths more consistent * Put them all in the Examples folder
54 lines
1.8 KiB
Lua
54 lines
1.8 KiB
Lua
-- Custom Data Mapping
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-- Example of a point cloud with a custom data mapping. The X, Y, and Z position are
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-- mapped to other columns in the dataset. The data mapping also includes some settings
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-- for missing data values and columns to exclude when loading the dataset.
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local colormaps = asset.require("util/default_colormaps")
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local Node = {
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Identifier = "RenderablePointCloud_Example_DataMapping",
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Renderable = {
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Type = "RenderablePointCloud",
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File = asset.resource("../data/dummydata.csv"),
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DataMapping = {
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-- Using the DataMapping, we can specify the X, Y and Z values of the point
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-- positions to be set by any value in the dataset, without changing the dataset
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-- used for the rendering
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X = "a",
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Y = "b",
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Z = "a",
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-- It is also possible to specify a numeric value that corresponds to missing
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-- values in the dataset. These will be interpreted as NaN values
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MissingDataValue = 29,
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-- And some column that we do not want to include in the loading. Here we can for
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-- example skip the regular position columns
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ExcludeColumns = { "x", "y", "z" }
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},
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-- Interpret values as Parsec rather than meter. The values in the a and b columns
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-- are much smaller than the x, y and z
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Unit = "pc",
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-- To show the values corresponding to missing values, use a color map and show
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-- missing data values in a specific color
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Coloring = {
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ColorMapping = {
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File = colormaps.Uniform.Magma,
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ShowMissingData = true,
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NoDataColor = { 1.0, 0.0, 0.0, 1.0 }
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}
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}
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},
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GUI = {
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Name = "RenderablePointCloud - Custom Data Mapping",
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Path = "/Examples/Advanced"
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}
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}
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asset.onInitialize(function()
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openspace.addSceneGraphNode(Node)
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end)
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asset.onDeinitialize(function()
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openspace.removeSceneGraphNode(Node)
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end)
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