mirror of
https://github.com/OPM/ResInsight.git
synced 2025-02-03 20:20:48 -06:00
121 lines
4.4 KiB
C++
121 lines
4.4 KiB
C++
//##################################################################################################
|
|
//
|
|
// Custom Visualization Core library
|
|
// Copyright (C) 2011-2013 Ceetron AS
|
|
//
|
|
// This library may be used under the terms of either the GNU General Public License or
|
|
// the GNU Lesser General Public License as follows:
|
|
//
|
|
// GNU General Public License Usage
|
|
// This library 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 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This library 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 at <<http://www.gnu.org/licenses/gpl.html>>
|
|
// for more details.
|
|
//
|
|
// GNU Lesser General Public License Usage
|
|
// This library is free software; you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation; either version 2.1 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This library 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 Lesser General Public License at <<http://www.gnu.org/licenses/lgpl-2.1.html>>
|
|
// for more details.
|
|
//
|
|
//##################################################################################################
|
|
|
|
|
|
#include "cvfBase.h"
|
|
#include "cvfFixedSizeTransform.h"
|
|
|
|
namespace cvf {
|
|
|
|
|
|
|
|
//==================================================================================================
|
|
///
|
|
/// \class cvf::FixedSizeTransform
|
|
/// \ingroup Viewing
|
|
///
|
|
/// Fixed size parts
|
|
///
|
|
//==================================================================================================
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
///
|
|
//--------------------------------------------------------------------------------------------------
|
|
FixedSizeTransform::FixedSizeTransform()
|
|
{
|
|
m_fixedPixelSizeModelUnits = 1.0;
|
|
}
|
|
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
/// Make the object a constant pixel size
|
|
//--------------------------------------------------------------------------------------------------
|
|
void FixedSizeTransform::updateWorldTransform(const cvf::Camera* camera)
|
|
{
|
|
Transform::updateWorldTransform(camera);
|
|
|
|
if (m_fixedPixelSizeModelUnits > 0.0)
|
|
{
|
|
cvf::Vec3d objectCenter(0,0,0);
|
|
objectCenter.transformPoint(m_worldMatrix);
|
|
|
|
double eyeDist = (objectCenter - camera->position())*camera->direction();
|
|
|
|
if (eyeDist > 0)
|
|
{
|
|
double scaleFactor = 1.0;
|
|
|
|
if (camera->projection() == Camera::PERSPECTIVE)
|
|
{
|
|
double nearPlane = camera->nearPlane();
|
|
double frontPlanePixelHeigth = camera->frontPlanePixelHeight();
|
|
scaleFactor = (fixedPixelSizeModelUnits()*frontPlanePixelHeigth*eyeDist)/nearPlane;
|
|
}
|
|
else
|
|
{
|
|
scaleFactor = camera->frontPlanePixelHeight();
|
|
}
|
|
|
|
Mat4d scaleMatrix = Mat4d::fromScaling(Vec3d(scaleFactor, scaleFactor, scaleFactor));
|
|
m_worldMatrix = m_worldMatrix*scaleMatrix;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
/// Set the pixel size of a unit size in world coords
|
|
/// E.g: Setting pixel size to 5 will make an object 1 units wide in WC 5 pixels
|
|
/// or setting this to 0.2 will make a 50 unit size object 10 pixels
|
|
//--------------------------------------------------------------------------------------------------
|
|
void FixedSizeTransform::setFixedPixelSizeInModelUnits(double pixelSize)
|
|
{
|
|
m_fixedPixelSizeModelUnits = pixelSize;
|
|
}
|
|
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
/// Return the pixel size of a unit size in world coords
|
|
//--------------------------------------------------------------------------------------------------
|
|
double FixedSizeTransform::fixedPixelSizeModelUnits() const
|
|
{
|
|
return m_fixedPixelSizeModelUnits;
|
|
}
|
|
|
|
} // namespace cvf
|
|
|
|
|