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// K-3D
// Copyright (c) 1995-2010, Timothy M. Shead
//
// Contact: tshead@k-3d.com
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
/** \file
\author Timothy M. Shead (tshead@k-3d.com) Most of the code used for poly_grid
\author Joaquín Duo (joaduo@lugmen.org.ar) Adaptation to the function parser
*/
#include <k3dsdk/axis.h>
#include <k3dsdk/document_plugin_factory.h>
#include <k3dsdk/expression/parser.h>
#include <k3dsdk/hints.h>
#include <k3dsdk/imaterial.h>
#include <k3dsdk/iuser_property.h>
#include <k3dsdk/log.h>
#include <k3dsdk/material_sink.h>
#include <k3dsdk/measurement.h>
#include <k3dsdk/mesh_source.h>
#include <k3dsdk/module.h>
#include <k3dsdk/node.h>
#include <k3dsdk/polyhedron.h>
#include <k3dsdk/property.h>
#include <k3dsdk/type_registry.h>
#include <k3dsdk/user_property_changed_signal.h>
namespace module
{
namespace plot
{
/////////////////////////////////////////////////////////////////////////////
// surface_plot
class surface_plot :
public k3d::material_sink<k3d::mesh_source<k3d::node > >
{
typedef k3d::material_sink<k3d::mesh_source<k3d::node > > base;
public:
surface_plot(k3d::iplugin_factory& Factory, k3d::idocument& Document) :
base(Factory, Document),
m_function(init_owner(*this) + init_name("function") + init_label(_("Function")) + init_description(_("Function to be plotted, in terms of u, v, and any scalar user properties added to the node.")) + init_value(k3d::string_t(_("cos(sqrt(u^2+v^2))")))),
m_u_samples(init_owner(*this) + init_name("u_samples") + init_label(_("U Samples")) + init_description(_("Number of samples along the u dimension.")) + init_value(15) + init_constraint(constraint::minimum<k3d::int32_t>(1)) + init_step_increment(1) + init_units(typeid(k3d::measurement::scalar))),
m_v_samples(init_owner(*this) + init_name("v_samples") + init_label(_("V Samples")) + init_description(_("Number of samples along the v dimension.")) + init_value(15) + init_constraint(constraint::minimum<k3d::int32_t>(1)) + init_step_increment(1) + init_units(typeid(k3d::measurement::scalar))),
m_u_size(init_owner(*this) + init_name("u_size") + init_label(_("U Size")) + init_description(_("Plot size along the u dimension.")) + init_value(20.0) + init_step_increment(0.1) + init_units(typeid(k3d::measurement::distance))),
m_v_size(init_owner(*this) + init_name("v_size") + init_label(_("V Size")) + init_description(_("Plot size along the v dimension.")) + init_value(20.0) + init_step_increment(0.1) + init_units(typeid(k3d::measurement::distance))),
m_orientation(init_owner(*this) + init_name("orientation") + init_label(_("Orientation")) + init_description(_("Plot orientation (positive or negative along the X, Y or Z axis).")) + init_value(k3d::PZ) + init_enumeration(k3d::signed_axis_values())),
m_user_property_changed_signal(*this)
{
m_u_samples.changed_signal().connect(k3d::hint::converter<
k3d::hint::convert<k3d::hint::any, k3d::hint::mesh_topology_changed> >(make_update_mesh_slot()));
m_v_samples.changed_signal().connect(k3d::hint::converter<
k3d::hint::convert<k3d::hint::any, k3d::hint::mesh_topology_changed> >(make_update_mesh_slot()));
m_material.changed_signal().connect(k3d::hint::converter<
k3d::hint::convert<k3d::hint::any, k3d::hint::none> >(make_update_mesh_slot()));
m_function.changed_signal().connect(k3d::hint::converter<
k3d::hint::convert<k3d::hint::any, k3d::hint::mesh_geometry_changed> >(make_update_mesh_slot()));
m_u_size.changed_signal().connect(k3d::hint::converter<
k3d::hint::convert<k3d::hint::any, k3d::hint::mesh_geometry_changed> >(make_update_mesh_slot()));
m_v_size.changed_signal().connect(k3d::hint::converter<
k3d::hint::convert<k3d::hint::any, k3d::hint::mesh_geometry_changed> >(make_update_mesh_slot()));
m_orientation.changed_signal().connect(k3d::hint::converter<
k3d::hint::convert<k3d::hint::any, k3d::hint::mesh_geometry_changed> >(make_update_mesh_slot()));
m_user_property_changed_signal.connect(k3d::hint::converter<
k3d::hint::convert<k3d::hint::any, k3d::hint::mesh_geometry_changed> >(make_update_mesh_slot()));
}
void on_update_mesh_topology(k3d::mesh& Output)
{
Output = k3d::mesh();
boost::scoped_ptr<k3d::polyhedron::primitive> polyhedron(k3d::polyhedron::create(Output));
polyhedron->shell_types.push_back(k3d::polyhedron::POLYGONS);
k3d::polyhedron::add_grid(Output, *polyhedron, 0, m_v_samples.pipeline_value(), m_u_samples.pipeline_value(), m_material.pipeline_value());
}
void on_update_mesh_geometry(k3d::mesh& Output)
{
const k3d::string_t function = m_function.pipeline_value();
k3d::string_t variables("u,v");
std::vector<k3d::double_t> values(2, 0.0);
const k3d::iproperty_collection::properties_t& properties = k3d::node::properties();
for(k3d::iproperty_collection::properties_t::const_iterator property = properties.begin(); property != properties.end(); ++property)
{
if(!dynamic_cast<k3d::iuser_property*>(*property))
continue;
if((**property).property_type() != typeid(k3d::double_t))
{
k3d::log() << warning << factory().name() << ": user property [" << (**property).property_name() << "] with unsupported type [" << k3d::demangle((**property).property_type()) << "] will be ignored" << std::endl;
continue;
}
variables += "," + (**property).property_name();
values.push_back(k3d::property::pipeline_value<k3d::double_t>(**property));
}
k3d::expression::parser parser;
if(!parser.parse(function, variables))
{
k3d::log() << error << factory().name() << ": function parsing failed: " << parser.last_parse_error() << std::endl;
return;
}
const k3d::int32_t point_v_samples = m_v_samples.pipeline_value() + 1;
const k3d::int32_t point_u_samples = m_u_samples.pipeline_value() + 1;
const k3d::double_t u_size = m_u_size.pipeline_value();
const k3d::double_t v_size = m_v_size.pipeline_value();
const k3d::signed_axis orientation = m_orientation.pipeline_value();
k3d::vector3 i, j, k;
switch(orientation)
{
case k3d::PX:
i = k3d::vector3(0, 1, 0);
j = k3d::vector3(0, 0, 1);
k = k3d::vector3(1, 0, 0);
break;
case k3d::NX:
i = k3d::vector3(0, 1, 0);
j = k3d::vector3(0, 0, -1);
k = k3d::vector3(-1, 0, 0);
break;
case k3d::PY:
i = k3d::vector3(0, 0, 1);
j = k3d::vector3(1, 0, 0);
k = k3d::vector3(0, 1, 0);
break;
case k3d::NY:
i = k3d::vector3(0, 0, 1);
j = k3d::vector3(-1, 0, 0);
k = k3d::vector3(0, -1, 0);
break;
case k3d::PZ:
i = k3d::vector3(1, 0, 0);
j = k3d::vector3(0, 1, 0);
k = k3d::vector3(0, 0, 1);
break;
case k3d::NZ:
i = k3d::vector3(1, 0, 0);
j = k3d::vector3(0, -1, 0);
k = k3d::vector3(0, 0, -1);
break;
}
k3d::mesh::points_t::iterator point = const_cast<k3d::mesh::points_t&>(*Output.points).begin();
for(k3d::int32_t row = 0; row != point_v_samples; ++row)
{
const k3d::double_t row_percent = k3d::ratio(row, point_v_samples - 1);
for(k3d::int32_t column = 0; column != point_u_samples; ++column)
{
const k3d::double_t column_percent = k3d::ratio(column, point_u_samples - 1);
const k3d::double_t u = k3d::mix(-0.5 * u_size, 0.5 * u_size, column_percent);
const k3d::double_t v = k3d::mix(-0.5 * v_size, 0.5 * v_size, row_percent);
values[0] = u;
values[1] = v;
const k3d::double_t w = parser.evaluate(&values[0]);
*point++ = k3d::to_point((u * i) + (v * j) + (w * k));
}
}
}
static k3d::iplugin_factory& get_factory()
{
static k3d::document_plugin_factory<surface_plot, k3d::interface_list<k3d::imesh_source > > factory(
k3d::uuid(0xf2434d00, 0xd54a4482, 0xaea14eb6, 0x40a967d3),
"SurfacePlot",
_("Creates a 3D surface plot."),
"Math",
k3d::iplugin_factory::STABLE);
return factory;
}
private:
k3d_data(k3d::string_t, immutable_name, change_signal, with_undo, local_storage, no_constraint, writable_property, with_serialization) m_function;
k3d_data(k3d::int32_t, immutable_name, change_signal, with_undo, local_storage, with_constraint, measurement_property, with_serialization) m_u_samples;
k3d_data(k3d::int32_t, immutable_name, change_signal, with_undo, local_storage, with_constraint, measurement_property, with_serialization) m_v_samples;
k3d_data(k3d::double_t, immutable_name, change_signal, with_undo, local_storage, no_constraint, measurement_property, with_serialization) m_u_size;
k3d_data(k3d::double_t, immutable_name, change_signal, with_undo, local_storage, no_constraint, measurement_property, with_serialization) m_v_size;
k3d_data(k3d::signed_axis, immutable_name, change_signal, with_undo, local_storage, no_constraint, enumeration_property, with_serialization) m_orientation;
k3d::user_property_changed_signal m_user_property_changed_signal;
};
/////////////////////////////////////////////////////////////////////////////
// surface_plot_factory
k3d::iplugin_factory& surface_plot_factory()
{
return surface_plot::get_factory();
}
} // namespace plot
} // namespace module
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