mirror of
https://github.com/OPM/ResInsight.git
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Magne Sjaastad
b22fb02aa5
Add RivContourMapElevationProvider and extend RivContourMapProjectionPartMgr so the contour map surface and contour lines can be projected onto the terrain/grid geometry of the 3d view instead of only being drawn as a flat map.
91 lines
3.8 KiB
C++
91 lines
3.8 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2026- Equinor ASA
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//
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// ResInsight is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
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// for more details.
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//
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/////////////////////////////////////////////////////////////////////////////////
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#pragma once
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#include "cvfVector2.h"
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#include <memory>
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#include <optional>
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class RigContourMapTopography;
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//==================================================================================================
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///
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/// Supplies the domain z coordinate used when contour map geometry is placed in a scene.
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///
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/// Contour map geometry is generated in a flat, contour map local coordinate space where z is
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/// always zero. Consumers normally lift it to RigContourMapGrid::origin3d(), which places the map
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/// at the minimum z of the expanded bounding box. In a 3d view the map must be placed elsewhere,
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/// and the contour lines may be draped on the visible grid geometry. This interface is the single
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/// point where that decision is made.
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///
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//==================================================================================================
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class RivContourMapElevationProvider
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{
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public:
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virtual ~RivContourMapElevationProvider();
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// localPos2d is relative to RigContourMapGrid::origin2d(). Returns the domain z to use, or
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// nothing when no elevation is defined at the given position.
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virtual std::optional<double> domainElevation( const cvf::Vec2d& localPos2d ) const = 0;
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// How closely a polyline has to be sampled for the elevation to be followed faithfully. Contour
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// polygons are simplified, so a single segment can span a long distance and would otherwise cut
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// straight through everything between its end points. Zero means the elevation does not vary, so
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// the end points are enough.
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virtual double resamplingDistance() const;
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};
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//==================================================================================================
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///
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/// Places the whole contour map on a single horizontal plane.
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///
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//==================================================================================================
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class RivContourMapFlatElevation : public RivContourMapElevationProvider
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{
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public:
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explicit RivContourMapFlatElevation( double domainElevation );
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~RivContourMapFlatElevation() override;
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std::optional<double> domainElevation( const cvf::Vec2d& localPos2d ) const override;
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private:
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double m_domainElevation;
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};
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//==================================================================================================
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///
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/// Follows the top of the visible grid geometry, lifted by a constant offset. Returns nothing where
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/// no visible geometry is found, which makes the consumer drop the affected geometry.
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///
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//==================================================================================================
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class RivContourMapTopographyElevation : public RivContourMapElevationProvider
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{
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public:
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RivContourMapTopographyElevation( std::shared_ptr<const RigContourMapTopography> topography, double offset );
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~RivContourMapTopographyElevation() override;
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std::optional<double> domainElevation( const cvf::Vec2d& localPos2d ) const override;
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double resamplingDistance() const override;
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private:
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std::shared_ptr<const RigContourMapTopography> m_topography;
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double m_offset;
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};
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