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use crate::{
configs::generator,
io::{MapFileExt, SupportingFileExts, SupportingMapFileExts},
network::Graph,
};
use log::info;
pub struct Generator;
impl Generator {
pub fn generate(graph: &Graph, cfg_generator: &generator::Config) -> Result<(), String> {
info!("START Generate file from graph");
match Generator::from_path(&cfg_generator.map_file)? {
MapFileExt::FMI => {
fmi::Generator::new().generate(graph, cfg_generator)?;
info!("FINISHED");
Ok(())
}
MapFileExt::PBF => Err(String::from("No support for generating pbf-files.")),
}
}
}
impl SupportingMapFileExts for Generator {}
impl SupportingFileExts for Generator {
fn supported_exts<'a>() -> &'a [&'a str] {
&["fmi"]
}
}
trait Generating {
fn generate(&self, graph: &Graph, cfg_generator: &generator::Config) -> Result<(), String>;
}
pub mod fmi {
use crate::{
configs::{
generator::{self, EdgeCategory, NodeCategory},
parser,
},
defaults::accuracy,
helpers::{self, Approx},
network::{EdgeIdx, Graph, NodeIdx},
};
use log::info;
use progressing::{self, Bar};
use std::io::{BufWriter, Write};
pub struct Generator;
impl Generator {
pub fn new() -> Generator {
Generator {}
}
}
impl super::Generating for Generator {
fn generate(&self, graph: &Graph, cfg_generator: &generator::Config) -> Result<(), String> {
fn inner_generate(
graph: &Graph,
cfg_generator: &generator::Config,
) -> Result<(), Box<dyn std::error::Error>> {
//--------------------------------------------------------------------------------//
// prepare
let output_file = helpers::open_new_file(&cfg_generator.map_file)?;
let mut writer = BufWriter::new(output_file);
let ignore_str = "_";
//--------------------------------------------------------------------------------//
// write header
writeln!(writer, "# edge-metric-count")?;
writeln!(writer, "# node-count")?;
writeln!(writer, "# edge-count")?;
writeln!(writer, "# nodes: {:?}", cfg_generator.nodes)?;
let edge_component_ids: Vec<_> = cfg_generator
.edges
.iter()
// .map(|id| graph.cfg().edges.edge_category(id))
.map(|id| &id.0)
.collect();
writeln!(writer, "# edges: {:?}", edge_component_ids)?;
writeln!(writer, "")?;
//--------------------------------------------------------------------------------//
// write counts
let dim = cfg_generator
.edges
.iter()
.map(|id| graph.cfg().edges.edge_category(id))
.filter(|parser_category| parser_category.is_metric())
.count();
let node_count = graph.nodes().count();
let edge_count = graph.fwd_edges().count();
writeln!(writer, "{}", dim)?;
writeln!(writer, "{}", node_count)?;
writeln!(writer, "{}", edge_count)?;
//--------------------------------------------------------------------------------//
// write nodes
let mut progress_bar =
progressing::BernoulliBar::from_goal((node_count + edge_count) as u32);
info!("{}", progress_bar);
for node_idx in (0..node_count).into_iter().map(NodeIdx) {
let node = graph.nodes().create(node_idx);
for (idx, category) in cfg_generator.nodes.iter().enumerate() {
// write node-info
match category {
NodeCategory::NodeId => write!(writer, "{}", node.id())?,
NodeCategory::NodeIdx => write!(writer, "{}", node.idx())?,
NodeCategory::Latitude => write!(
writer,
"{:.digits$}",
node.coord().lat.approx(),
digits = accuracy::F64_FMT_DIGITS,
)?,
NodeCategory::Longitude => write!(
writer,
"{:.digits$}",
node.coord().lon.approx(),
digits = accuracy::F64_FMT_DIGITS,
)?,
NodeCategory::Level => write!(writer, "{}", node.level())?,
NodeCategory::Ignore => write!(writer, "{}", ignore_str)?,
}
// write space if needed
if idx < cfg_generator.nodes.len() - 1 {
write!(writer, " ")?;
}
}
// write end of line
writeln!(writer, "")?;
// print progress
progress_bar.add((1, 1));
if progress_bar.progress().successes % (1 + (progress_bar.end() / 10)) == 0 {
info!("{}", progress_bar);
}
}
//--------------------------------------------------------------------------------//
// write edges
for edge_idx in (0..edge_count).into_iter().map(EdgeIdx) {
for (idx, id) in cfg_generator.edges.iter().enumerate() {
// get category from id, needing a conversion
// from parser-category to generator-category
let category = {
let parser_category = graph.cfg().edges.edge_category(id);
match parser_category {
parser::EdgeCategory::Meters => EdgeCategory::Meters,
parser::EdgeCategory::KilometersPerHour => {
EdgeCategory::KilometersPerHour
}
parser::EdgeCategory::Seconds => EdgeCategory::Seconds,
parser::EdgeCategory::LaneCount => EdgeCategory::LaneCount,
parser::EdgeCategory::Custom => EdgeCategory::Custom,
parser::EdgeCategory::SrcId => EdgeCategory::SrcId,
parser::EdgeCategory::IgnoredSrcIdx => EdgeCategory::SrcIdx,
parser::EdgeCategory::DstId => EdgeCategory::DstId,
parser::EdgeCategory::IgnoredDstIdx => EdgeCategory::DstIdx,
parser::EdgeCategory::ShortcutEdgeIdx
| parser::EdgeCategory::Ignore => EdgeCategory::Ignore,
}
};
// write edge-info
match category {
EdgeCategory::Meters => {
let metric_idx = graph.cfg().edges.metric_idx(id);
let km = graph.metrics().get(metric_idx, edge_idx);
let m = km * 1_000.0;
write!(writer, "{:.digits$}", m, digits = accuracy::F64_FMT_DIGITS,)?
}
EdgeCategory::KilometersPerHour
| EdgeCategory::Seconds
| EdgeCategory::LaneCount
| EdgeCategory::Custom => {
let metric_idx = graph.cfg().edges.metric_idx(id);
write!(
writer,
"{:.digits$}",
graph.metrics().get(metric_idx, edge_idx),
digits = accuracy::F64_FMT_DIGITS,
)?
}
EdgeCategory::SrcId => {
let src_idx = graph.bwd_edges().dst_idx(edge_idx);
let src_id = graph.nodes().id(src_idx);
write!(writer, "{}", src_id)?;
}
EdgeCategory::SrcIdx => {
let src_idx = graph.bwd_edges().dst_idx(edge_idx);
write!(writer, "{}", src_idx)?;
}
EdgeCategory::DstId => {
let dst_idx = graph.fwd_edges().dst_idx(edge_idx);
let dst_id = graph.nodes().id(dst_idx);
write!(writer, "{}", dst_id)?;
}
EdgeCategory::DstIdx => {
let dst_idx = graph.fwd_edges().dst_idx(edge_idx);
write!(writer, "{}", dst_idx)?;
}
EdgeCategory::Ignore => write!(writer, "{}", ignore_str)?,
}
// write space if needed
if idx < cfg_generator.edges.len() - 1 {
write!(writer, " ")?;
}
}
// write end of line
writeln!(writer, "")?;
// print progress
progress_bar.add((1, 1));
if progress_bar.progress().successes % (1 + (progress_bar.end() / 10)) == 0 {
info!("{}", progress_bar);
}
}
info!("{}", progress_bar);
//--------------------------------------------------------------------------------//
Ok(())
}
//------------------------------------------------------------------------------------//
// return result
if let Err(e) = inner_generate(graph, cfg_generator) {
Err(format!("{}", e))
} else {
Ok(())
}
}
}
}