started plotting

glow-extras @ 8b505f71

-Subproject commit 65a7989156d719fb592c3291d08b8b6f2c657763
+Subproject commit 8b505f71cef3869610898612b995ea1334437514

typed-geometry @ e8102273

-Subproject commit d00bebc1b4e0428a22c89c9c73403e29ed687ae7
+Subproject commit e8102273eda0db9b0323a93473bdc1d2a6168c23

samples/wip/plotting/CMakeLists.txt

+cmake_minimum_required(VERSION 3.0)
+project(Plotting)
+
+file(GLOB_RECURSE SHADER_FILES "shaders/*.*")
+
+file(GLOB_RECURSE SOURCES "*.cc" "*.hh" "*.*sh")
+
+add_executable(${PROJECT_NAME} ${SOURCES})
+target_link_libraries(${PROJECT_NAME} PUBLIC glow glow-extras glfw polymesh)
+target_compile_options(${PROJECT_NAME} PUBLIC ${GLOW_SAMPLES_DEF_OPTIONS})
+set_property(TARGET ${PROJECT_NAME} PROPERTY FOLDER "Samples/WIP")
+
+if (GLOW_EXTRAS_EMBED_SHADERS)
+    target_compile_definitions(${PROJECT_NAME} PUBLIC GLOW_SAMPLES_VIEWER_EMBED_SHADERS)
+endif()

samples/wip/plotting/main.cc

+#include <glow-extras/glfw/GlfwContext.hh>
+#include <glow-extras/plotting/plot.hh>
+#include <glow-extras/viewer/view.hh>
+
+int main()
+{
+    // Create a context
+    glow::glfw::GlfwContext ctx;
+
+    // some example data
+    std::vector<tg::pos2> xy_data;
+    for (auto i = 0; i < 100; ++i)
+        xy_data.emplace_back(i, tg::sin(5_deg * i));
+
+    // grid view of example plots
+    {
+        auto v = glow::viewer::grid();
+
+        // simple cases
+        view_plot(xy_data);
+        view_scatter_plot(xy_data);
+        view_line_plot(xy_data);
+
+        // manual setup
+        {
+            auto f = glow::plotting::Figure();
+            view(f);
+        }
+    }
+}

samples/wip/viewer/main.cc

-#include <random>
-
 #include <imgui/imgui.h>
 
 #include <glow/common/str_utils.hh>
@@ -25,9 +23,6 @@ int main()
     // Create a context
     glow::glfw::GlfwContext ctx;
 
-    std::uniform_real_distribution<float> dis(0.0f, 1.0f);
-    std::default_random_engine rng;
-
     // Load a polymesh mesh
     pm::Mesh m;
     auto pos = m.vertices().make_attribute<tg::pos3>();
@@ -35,14 +30,15 @@ int main()
     normalize(pos); // make it -1..1
 
     // prepare some data
+    tg::rng rng;
     pm::vertex_attribute<glm::vec2> uv = pos.map([](tg::pos3 v) { return glm::vec2(v.x, v.y); });
     pm::vertex_attribute<float> vdata = pos.map([](tg::pos3 v) { return v.y; });
     pm::vertex_attribute<tg::vec3> vnormals = vertex_normals_by_area(m, pos);
     pm::face_attribute<float> fdata = m.faces().map([&](pm::face_handle f) { return f.vertices().avg(pos).z; });
     glow::SharedTexture2D tex = glow::Texture2D::createFromFile(dataPath + "textures/tiles.color.png", glow::ColorSpace::sRGB);
     glow::AsyncTexture2D atex = glow::AsyncTextureLoader::load2D(dataPath + "textures/tiles.color.png", glow::ColorSpace::sRGB);
-    pm::face_attribute<glow::colors::color> fcolors = m.faces().map([&](pm::face_handle) { return glow::colors::color(dis(rng), dis(rng), dis(rng)); });
-    pm::vertex_attribute<glow::colors::color> vcolors = attribute(m.vertices(), glow::colors::color(1, 0, 0));
+    pm::face_attribute<tg::color3> fcolors = m.faces().map([&](pm::face_handle) { return tg::uniform<tg::color3>(rng); });
+    pm::vertex_attribute<tg::color3> vcolors = attribute(m.vertices(), tg::color3::red);
     pm::edge_attribute<float> edge_lengths = m.edges().map([&](pm::edge_handle e) { return edge_length(e, pos); });
     pm::vertex_attribute<float> ptsize = m.vertices().map([&](pm::vertex_handle v) { return v.edges().avg(edge_lengths); });