lauchmelder/MapViewer
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Finished triangulation

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This commit is contained in:
Robert 2021-04-17 17:48:39 +02:00
parent fe87e22b16
commit bc373aa019
6 changed files with 74111 additions and 214 deletions
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131
src/main.cpp
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@ -1,6 +1,7 @@
#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <osmp.hpp>
#include <SDL.h>
@ -10,13 +11,6 @@
// Map values from one interval [A, B] to another [a, b]
inline float Map(float A, float B, float a, float b, float x);
// A structure to hold a sequence of 2D points
typedef struct sRenderableWay
{
size_t length;
SDL_FPoint* points;
} RenderableWay;
typedef struct sArea
{
size_t length;
@ -47,10 +41,8 @@ int main(int argc, char** argv)
std::vector<std::shared_ptr<osmp::Way>> ways = obj->GetWays();
// Turn them into renderable ways by mapping the global coordinates to screen coordinates (do this smarter in the future pls)
std::vector<RenderableWay> rWays;
std::vector<Area> areas;
std::vector<Area> buildings;
std::vector<Highway> highways;
std::vector<Highway> railways;
for (std::shared_ptr<osmp::Way> way : ways)
{
const std::vector<std::shared_ptr<osmp::Node>>& nodes = way->GetNodes();
@ -58,72 +50,27 @@ int main(int argc, char** argv)
std::string railwayVal = way->GetTag("railway");
if (way->area)
{
if (way->GetTag("building") == "")
{
continue;
}
Area area;
area.length = nodes.size();
area.x = new Sint16[area.length];
area.y = new Sint16[area.length];
area.r = 150;
area.g = 150;
area.b = 150;
for (int i = 0; i < area.length; i++)
{
area.x[i] = Map(bounds.minlon, bounds.maxlon, 0, windowWidth, nodes[i]->lon);
area.y[i] = windowHeight - Map(bounds.minlat, bounds.maxlat, 0, windowHeight, nodes[i]->lat);
}
std::string tag = "";
tag = way->GetTag("building");
if (tag != "")
{
area.r = 100;
area.g = 100;
area.b = 100;
}
tag = way->GetTag("natural");
if (tag != "")
{
if (tag == "wood" || tag == "scrub" || tag == "heath") {
area.r = 47;
area.g = 157;
area.b = 0;
}
else if (tag == "water" || tag == "floodplain") {
area.r = 106;
area.g = 151;
area.b = 255;
}
else if (tag == "grassland" || tag == "grass") {
area.r = 143;
area.g = 255;
area.b = 106;
}
else if (tag == "sand") {
area.r = 244;
area.g = 255;
area.b = 106;
}
else {
std::cout << "Unknown natural: " << tag << std::endl;
}
}
tag = way->GetTag("water");
if (tag != "")
{
area.r = 106;
area.g = 151;
area.b = 255;
}
tag = way->GetTag("waterway");
if (tag != "")
{
area.r = 106;
area.g = 151;
area.b = 255;
}
areas.push_back(area);
buildings.push_back(area);
}
else if (highwayVal != "")
{
@ -142,7 +89,8 @@ int main(int argc, char** argv)
else if (highwayVal == "primary") { highway.r = 252; highway.g = 206; highway.b = 144; }
else if (highwayVal == "secondary") { highway.r = 244; highway.g = 251; highway.b = 173; }
else if (highwayVal == "tertiary") { highway.r = 244; highway.g = 244; highway.b = 250; }
else { highway.r = 244; highway.g = 244; highway.b = 250; }
else if (highwayVal == "footway") { highway.r = 233; highway.g = 140; highway.b = 124; }
else { highway.r = 15; highway.g = 15; highway.b = 20; }
highways.push_back(highway);
}
@ -162,20 +110,6 @@ int main(int argc, char** argv)
highways.push_back(railway);
}
else
{
RenderableWay rWay;
rWay.length = nodes.size();
rWay.points = new SDL_FPoint[rWay.length];
for (int i = 0; i < rWay.length; i++)
{
rWay.points[i].x = Map(bounds.minlon, bounds.maxlon, 0, windowWidth, nodes[i]->lon);
rWay.points[i].y = windowHeight - Map(bounds.minlat, bounds.maxlat, 0, windowHeight, nodes[i]->lat);
}
rWays.push_back(rWay);
}
}
// Fetch all relations
@ -190,8 +124,12 @@ int main(int argc, char** argv)
}
}
std::sort(multipolygons.begin(), multipolygons.end());
// Release map data
relations.clear();
ways.clear();
delete obj;
// Initiaize graphics API
@ -230,39 +168,23 @@ int main(int argc, char** argv)
}
}
SDL_SetRenderDrawColor(renderer, 0, 0, 10, 255);
SDL_SetRenderDrawColor(renderer, 240, 240, 250, 255);
SDL_RenderClear(renderer);
// Render the ways
/*
SDL_SetRenderDrawColor(renderer, 255, 245, 245, 255);
for (RenderableWay& rWay : rWays)
{
SDL_RenderDrawLinesF(renderer, rWay.points, rWay.length);
}
*/
for (Area& area : areas)
for (Multipolygon& multipolygon : multipolygons) {
multipolygon.Draw(renderer);
}
for (Area& area : buildings)
{
filledPolygonRGBA(renderer, area.x, area.y, area.length, area.r, area.g, area.b, 255);
}
for (Highway& highway : highways)
{
SDL_SetRenderDrawColor(renderer, highway.r, highway.g, highway.b, 255);
SDL_RenderDrawLinesF(renderer, highway.points, highway.length);
}
for (Highway& railway : railways)
{
SDL_SetRenderDrawColor(renderer, railway.r, railway.g, railway.b, 255);
SDL_RenderDrawLinesF(renderer, railway.points, railway.length);
}
for (Multipolygon& multipolygon : multipolygons) {
multipolygon.Draw(renderer, 255, 0, 0);
}
SDL_RenderPresent(renderer);
@ -274,7 +196,7 @@ int main(int argc, char** argv)
SDL_Quit();
for (Area& area : areas) {
for (Area& area : buildings) {
delete[] area.x;
delete[] area.y;
}
@ -282,9 +204,6 @@ int main(int argc, char** argv)
for (Highway& highway : highways)
delete[] highway.points;
for (RenderableWay& rWay : rWays)
delete[] rWay.points;
return 0;
}