kopia lustrzana https://gitlab.com/tomaszg/geostat
117 wiersze
3.7 KiB
C++
117 wiersze
3.7 KiB
C++
#include "heat.h"
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#include "cache.h"
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#include <heatmap.h>
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#include <colorschemes/Spectral.h>
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#include <Magick++.h>
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#include <set>
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#include <vector>
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#include <string>
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#include <assert.h>
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#include <filesystem>
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std::filesystem::path MAPS_DIR = "maps";
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Heat::Heat(const Map* m) : mp(m) {
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assert(mp);
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#ifdef graphicsmagick
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Magick::InitializeMagick(nullptr);
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#endif
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}
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void Heat::generate(const std::string& filename, const pCaches& points, int stamp_size, const std::string& theme) {
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heatmap_t* hm = heatmap_new(mp->size_x, mp->size_y);
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heatmap_stamp_t* stamp = heatmap_stamp_gen(stamp_size);
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std::vector<unsigned char> image(mp->size_x * mp->size_y * 4);
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for (auto el : points) {
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if (mp->contains(Position(el->pos.lat, el->pos.lon))) {
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heatmap_add_point_with_stamp(hm, mp->coordinate_x(Position(el->pos.lat, el->pos.lon)), mp->coordinate_y(Position(el->pos.lat, el->pos.lon)), stamp);
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// std::cout << mp->coordinate_x(Position(el.pos.lon, el.pos.lat)) << '\t' << mp->coordinate_y(Position(el.pos.lon, el.pos.lat)) << '\n';
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}
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}
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if (theme == "soft")
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heatmap_render_to(hm, heatmap_cs_Spectral_soft, &image[0]);
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else if (theme == "exp")
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heatmap_render_to(hm, heatmap_cs_Spectral_mixed_exp, &image[0]);
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else
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throw 0;
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heatmap_free(hm);
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Magick::Image contour(MAPS_DIR / mp->map_file);
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Magick::Image heatmap(mp->size_x, mp->size_y, "RGBA", Magick::CharPixel, &image[0]);
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contour.type(Magick::TrueColorType);
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contour.composite(heatmap, 0, 0, Magick::OverCompositeOp);
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contour.write(filename);
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// heatmap.write("geostat_heat.png");
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}
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void Heat::generate_path(const std::string& filename, const Date_Caches& sorted) {
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Magick::Image contour(MAPS_DIR / mp->map_file);
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contour.strokeColor("black");
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contour.strokeWidth(2);
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#ifdef graphicsmagick
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std::list<Magick::Drawable> draw;
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#else
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std::vector<Magick::Drawable> draw;
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#endif
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const Cache* prev = sorted.begin()->second;
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float h = 1. / 3;
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float h_step = 2. / 3 / (sorted.size() - 1);
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for (auto el = sorted.begin()++; el != sorted.end(); el++) {
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draw.push_back(Magick::DrawableStrokeColor(Magick::ColorHSL(h, 1, 0.5)));
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h += h_step;
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draw.push_back(Magick::DrawableLine(mp->coordinate_x(Position(el->second->pos.lat, el->second->pos.lon)), mp->coordinate_y(Position(el->second->pos.lat, el->second->pos.lon)),
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mp->coordinate_x(Position(prev->pos.lat, prev->pos.lon)), mp->coordinate_y(Position(prev->pos.lat, prev->pos.lon))));
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prev = el->second;
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}
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contour.draw(draw);
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contour.write(filename);
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}
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void Heat::generate_anim(const std::string& filename, const Date_Caches& sorted, int dot_size) {
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std::vector<Magick::Image> frames;
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frames.emplace_back(MAPS_DIR / mp->map_file);
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Magick::Image canvas(Magick::Geometry(mp->size_x, mp->size_y), "transparent");
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canvas.strokeWidth(1);
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canvas.animationDelay(1);
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canvas.animationIterations(1);
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#ifdef graphicsmagick
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canvas.gifDisposeMethod(1);
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#else
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canvas.gifDisposeMethod(MagickCore::NoneDispose);
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canvas.backgroundColor("transparent");
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#endif
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const Cache* prev = nullptr;
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for (auto el = sorted.begin()++; el != sorted.end(); el++) {
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if (mp->contains(Position(el->second->pos.lat, el->second->pos.lon))) {
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canvas.erase();
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if (prev) {
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canvas.strokeColor("black");
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canvas.fillColor("black");
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canvas.draw(Magick::DrawableEllipse(mp->coordinate_x(Position(prev->pos.lat, prev->pos.lon)), mp->coordinate_y(Position(prev->pos.lat, prev->pos.lon)), dot_size, dot_size, 0, 360));
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}
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prev = el->second;
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canvas.strokeColor("red");
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canvas.fillColor("red");
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canvas.draw(Magick::DrawableEllipse(mp->coordinate_x(Position(prev->pos.lat, prev->pos.lon)), mp->coordinate_y(Position(prev->pos.lat, prev->pos.lon)), dot_size, dot_size, 0, 360));
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frames.push_back(canvas);
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}
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}
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Magick::writeImages(frames.begin(), frames.end(), filename);
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}
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