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  2. POP to DAT

    POP to DAT

    Summary

    The POP to DAT converts, using the Extract menu, a POP's points or primitives to a table of points (one row per point), or a table of primitives (one row per primitive), or a table of vertices (one row per vertex).

    In all cases it creates a column for each attribute component, and the Attributes parameter lets you select specific attributes to include.

    The Primitives table has an optional column showing the primitive type - point, line, linestrip, triangle, quad.

    The Transpose toggle parameter lets you transpose the table (swap rows and columns) which puts all the attribute names in the first column, for greater readability in some cases.

    Without affecting the source, you can thin out the displayed data to restrict, for example, points in a certain point index range, or display 1 in N points, or randomly thin out the data. this makes large datasets much easier to inspect.

    You can also choose to display only points or primitives that are in specific Groups.

    Because POP data is on the GPU and DAT tables are on the CPU, there may be a pause caused by the GPU to CPU transfer. The default for Download Type is Next Frame (Fast) which causes minimal delay but the DAT is displayed one Time Slice later. Otherwise the Download Type is Immediate, which may cause a several-millisecond delay in the current frame.

    See also DAT to POP, POP to CHOP, POP to TOP.

    PythonIcon.pngpoptoDAT_Class


    Parameters - POP to Page

    Active active - When enabled, the DAT will grab and convert the referenced POP's up-to-date geometry information. When disabled, will hold the last converted values.

    POP pop - The POP from which to convert the data.

    Download Type downloadtype - ⊞ - Gives the option for a delayed data download from the GPU, which is much faster and does not stall the render.
    • Immediate (Slow) immediate -
    • Next frame (Fast) nextframe -

    Extract extract - ⊞ - Specify whether to convert point, primitive, vertices, or detail data.
    • Points points - Convert point data.
    • Vertices vertices - Convert vertices data.
    • Primitives primitives - Convert primitive data.
    • Detail detail - Convert detail data.

    Attributes attrib - Attributes to convert.

    Primitive Type primitivetype - When enabled, adds a column showing the primitive type: point, line, linestrip, triangle, or quad.

    Transpose transpose - When enabled converts columns into rows. The number of rows becomes the number of columns.

    Thin Out Range thinoutrange - Enable index-based filtering.

    Thin Range Start thinrangestart - Determines the starting index for range-based filtering.

    Thin Range Length thinrangelength - Determines the number of elements being filtered by index range.

    Thin Step thinstep - Filters every Nth element.

    Thin Random thinrandom - Determines the proportion of elements randomly filtered.

    Thin Random Seed thinrandomseed - Sets the random seed for elements being randomly filtered.

    Group group - If there are input groups, specifying a group name in this field will cause this POP to act only upon the group specified.

    Invert Group invertgroup - If there are input groups and a group is specified in the Group parameter, this will cause the POP to act only on elements not in the specified group.

    Group Columns grpcol - ⊞ - When set to something else but None, will add one or a column per group fetching the group name of the element.
    • None none -
    • Group Names in one Column onecolumn -
    • Column per Group colpergrp -


    Parameters - Common Page

    Language language - ⊞ - Select how the DAT decides which script language to operate on.
    • Input input - The DAT uses the inputs script language.
    • Node node - The DAT uses it's own script language.

    Edit/View Extension extension - ⊞ - Select the file extension this DAT should expose to external editors.
    • dat dat - various common file extensions.
    • From Language language - pick extension from DATs script language.
    • Custom Extension custom - Specify a custom extension.

    Custom Extension customext - Specifiy the custom extension.

    Word Wrap wordwrap - ⊞ - Enable Word Wrap for Node Display.
    • Input input - The DAT uses the inputs setting.
    • On on - Turn on Word Wrap.
    • Off off - Turn off Word Wrap.


    Info CHOP Channels

    Extra Information for the POP to DAT can be accessed via an Info CHOP.

    Common DAT Info Channels

    • num_rows - Number of rows in this DAT.
    • num_cols - Number of columns in this DAT.

    Common Operator Info Channels

    • total_cooks - Number of times the operator has cooked since the process started.
    • cook_time - Duration of the last cook in milliseconds.
    • cook_frame - Frame number when this operator was last cooked relative to the component timeline.
    • cook_abs_frame - Frame number when this operator was last cooked relative to the absolute time.
    • cook_start_time - Time in milliseconds at which the operator started cooking in the frame it was cooked.
    • cook_end_time - Time in milliseconds at which the operator finished cooking in the frame it was cooked.
    • cooked_this_frame - 1 if operator was cooked this frame.
    • warnings - Number of warnings in this operator if any.
    • errors - Number of errors in this operator if any.


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