example_reconstructmesdk_options.cpp

Content

This example shows how to modify options.

Boost is only used to generate examples and is not necessary for working with this SDK.

#include <boost/test/unit_test.hpp>

#include <reconstructmesdk/reme.h>
#include <stdio.h>
#include <cstdlib>

BOOST_AUTO_TEST_SUITE(example_reconstructmesdk)

BOOST_AUTO_TEST_CASE(options)
{
  // Create a new context that has default options applied
  reme_context_t c;
  reme_context_create(&c);
  // By default, each object comes with a set of sensible
  // predefined values. In this example compile time options.

  // Create empty options binding, not bound to any specific options
  reme_options_t o;
  reme_options_create(c, &o);
  // Bind the compile options.
  reme_context_bind_compile_options(c, o);
  const char *value;
  int length;

  reme_options_get(c, o, "volume_size.x", &value, &length);
  printf("Volume size in x-dim is: %s", value);
  // Increase resolution in all dimensions
  reme_options_set(c, o, "volume_size.x", "512");
  reme_options_set(c, o, "volume_size.y", "512");
  reme_options_set(c, o, "volume_size.z", "512");
  // Export options in a human read-able format
  reme_options_save_to_file(c, o, "options.txt");
  // Export options in a human read-able format
  reme_options_load_from_file(c, o, "options.txt");
  reme_context_compile(c);

  // Make sure to release all memory acquired
  reme_context_destroy(&c);
}

BOOST_AUTO_TEST_CASE(options_repeated)
{

  // Create a new context that has default options applied
  reme_context_t c;
  reme_context_create(&c);

  // Create empty options binding
  reme_options_t o, o_sub;
  reme_options_create(c, &o);
  reme_options_create(c, &o_sub);

  // Bind to OpenCL infos
  // See method documentation for protocol buffer specification
  reme_context_bind_opencl_info(c, o);

  // See how many devices are available
  int num_devices = 0;
  reme_options_get_repeated_count(c, o, "devices", &num_devices);
  printf("Found %i OpenCL compatible devices\n", num_devices);

  // Each device is a nested message. Iterate over all of them

  const char *value;
  int length;

  for (int i = 0; i < num_devices; i += 1) {
    printf("----\n");

    reme_options_bind_repeated_message(c, o, "devices", i, o_sub);

    reme_options_get(c, o_sub, "name", &value, &length);
    printf("Device '%s' \n", value);

    reme_options_get(c, o_sub, "vendor", &value, &length);
    printf(" - by '%s' \n", value);

    reme_options_get(c, o_sub, "type", &value, &length);
    printf(" - type %s \n", value);

    // Note in the above code we must interleave get and printf
    // because of memory management rules.
  }

  // Make sure to release all memory acquired
  reme_context_destroy(&c);
}

BOOST_AUTO_TEST_SUITE_END()