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postProcess/getFacets.c

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getFacets.c

Extract f interface facets from a saved snapshot.

Purpose

Restore a snapshot written by simulationCases/bretherton.c and emit line segments from output_facets(f, ...) on standard output, for interface-shape and film-thickness analysis.

Build Example

qcc -O2 -Wall -disable-dimensions postProcess/getFacets.c -o getFacets -lm
#include "utils.h"
#include "output.h"
#include "fractions.h"

scalar f[];
char filename[256];

main()

Usage: ./getFacets snapshot

Arguments

  • snapshot: Basilisk dump/snapshot file to restore.

Returns

0 after writing facet segments to standard output.

int main (int a, char const *arguments[])
{
  if (a < 2) {
    fprintf (ferr, "Usage: %s snapshot\n", arguments[0]);
    return 1;
  }

  snprintf (filename, sizeof(filename), "%s", arguments[1]);
  if (!restore (file = filename)) {
    fprintf (ferr, "ERROR: cannot restore snapshot %s\n", filename);
    return 1;
  }

  output_facets (f, stdout);
  fflush (stdout);
  return 0;
}