libgta 1.0.5 Read and Write Generic Tagged Array (GTA) files

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Examples written in C++: Using tags
/* This file is in the public domain. */
#include <iostream>
#include <gta/gta.hpp>
int main(void)
{
try {
gta::header header;
const char *name, *value;
/* Create an example GTA */
header.set_components(gta::uint16, gta::float32, gta::cfloat64);
header.set_dimensions(170, 190);
/* The global taglist contains tags that affect the whole array */
/* Set a tag */
header.global_taglist().set("PRODUCER", "FOO");
/* Get a tag */
value = header.global_taglist().get("X-BAR");
if (!value) {
/* This tag is undefined */
}
else if (value[0] == '\0') {
/* This tag is defined but empty */
}
else {
/* This tag is defined and not empty */
}
/* Unset a tag, whether it is defined or not */
header.global_taglist().unset("X-FOO");
/* Unset all tags (clear the taglist) */
header.global_taglist().unset_all();
/* Access all tags in the list */
for (uintmax_t t = 0; t < header.global_taglist().tags(); t++) {
name = header.global_taglist().name(t);
value = header.global_taglist().value(t);
}
/* The dimension taglists contain tags that affect the array dimensions */
header.dimension_taglist(0).set("INTERPRETATION", "X");
/* ... */
header.dimension_taglist(1).set("INTERPRETATION", "Y");
/* ... */
/* The component taglists contain tags that affect the array element components */
header.component_taglist(0).set("INTERPRETATION", "X-FOO");
/* ... */
header.component_taglist(1).set("UNIT", "m");
/* ... */
header.component_taglist(2).set("X-FOO", "BAR");
/* ... */
}
catch (std::exception &e) {
std::cerr << e.what() << std::endl;
return 1;
}
return 0;
}