create some standard workflows

scripts/check_nothing_overlaps.sh

@@ -0,0 +1,95 @@
+#!/bin/bash
+
+set -euo pipefail
+
+# usage instructions to stderr, with optional exit code as an argument
+usage() {
+  cat<<EOF 1>&2
+Usage $(basename $0) [-f] [-j num_threads] [-h] input.step [BASE]
+  -f  force overwriting of files
+  -j  specify number of threads to use
+  -h  show this help
+
+Output files will be written to files prefixed by BASE.  For example,  if run
+as:
+
+  $(basename $0) source.step out/part-
+
+then the discovered solids will be written into "out/part-geometry.csv".  Note
+that if BASE is unspecified, output will be written to the current directory
+and prefixed by the name of the input, e.g., source-geometry.csv.
+EOF
+  exit ${1-}
+}
+
+# command line processing
+check_exists=1
+oc_threads=-j
+
+while getopts "hfj:" arg; do
+  case "$arg" in
+    j) oc_threads="-j$OPTARG" ;;
+    f) check_exists= ;;
+    h) usage ;;
+    *) usage 1 ;;
+  esac
+done
+
+shift "$(($OPTIND -1))"
+
+# check input file exists
+if [ -f "${1-}" ]; then
+  source="$1"
+else
+  echo "Error: Input file \"${1-}\" does not exist" 1>&2
+  exit 1
+fi
+
+# get output template name
+if [ -n "${2-}" ]; then
+  base="$2"
+else
+  base="${source##*/}"
+  base="${base%.*}-"
+fi
+
+# assemble output file names
+brep="${base}linear.brep"
+geometry="${base}geometry.csv"
+overlaps="${base}overlaps.csv"
+common="${base}common.brep"
+imprinted="${base}imprinted.brep"
+merged="${base}merged.brep"
+
+# check if output files already exist
+if [ "$check_exists" ]; then
+  for path in "$brep" "$geometry" "$overlaps" "$common" "$imprinted" "$merged"; do
+    if [ -f "$path" ]; then
+      echo "Error: output file \"$path\" already exists" 1>&2
+      fail=1
+    fi
+  done
+  if [ "${fail-}" ]; then
+    exit 1
+  fi
+fi
+
+echo "1/5: Linearising solids into $brep" 1>&2
+step_to_brep "$source" "$brep" > "$geometry"
+
+echo "2/5: Checking for intersecting solids" 1>&2
+overlap_checker "$brep" "$oc_threads" > "$overlaps"
+
+if grep -q overlap "$overlaps"; then
+  echo "3/5: Writing overlapping solds into $common" 1>&2
+  grep overlap "$overlaps" | overlap_collecter "$brep" "$common"
+else
+  echo "3/5: No overlaps found, $common will not be written"
+  rm -f "$common"
+fi
+
+echo "4/5: Removing overlaps and writing to $imprinted" 1>&2
+imprint_solids "$brep" "$imprinted" < "$overlaps"
+
+echo "5/5: Merging faces, edges and verticies and writing to $merged" 1>&2
+merge_solids "$imprinted" "$merged"

src/CMakeLists.txt

@@ -40,7 +40,7 @@ if(BUILD_TESTING)
     WORKING_DIRECTORY ${PROJECT_BINARY_DIR})
 
   add_test(NAME demo-workflow
-    COMMAND bash ${PROJECT_SOURCE_DIR}/tests/demo_workflow.sh
+    COMMAND bash ${PROJECT_SOURCE_DIR}/scripts/check_nothing_overlaps.sh
         ${PROJECT_SOURCE_DIR}/data/test_geometry.step
     WORKING_DIRECTORY ${PROJECT_BINARY_DIR})
 endif()