void CubeProxyGeometry::defineBoxBrickingRegion() {
vec3 llfPlane = vec3(clipLeftX_.get(),
clipFrontY_.get(),
clipBottomZ_.get() );
vec3 urbPlane = vec3(clipRightX_.get(),
clipBackY_.get(),
clipTopZ_.get() );
vec3 geomLlf = -(volumeSize_ / 2.f) + volumeCenter_;
vec3 geomUrb = (volumeSize_ / 2.f) + volumeCenter_;
llfPlane = llfPlane / 100.f;
urbPlane = urbPlane / 100.f;
llfPlane = geomLlf + (volumeSize_ * llfPlane);
urbPlane = geomUrb - (volumeSize_ * urbPlane);
if (currentVolumeHandle_) {
LargeVolumeManager* lvm = currentVolumeHandle_->getLargeVolumeManager();
if (lvm) {
lvm->addBoxBrickingRegion(brickSelectionPriority_.get(), llfPlane, urbPlane);
}
}
}
void CameraWidget::resetCameraPosition() {
// all trackball operations assume an initial view along the negative z-axis with the
// y-axis as up vector
cameraProp_->set(tgt::Camera(vec3(0.f, 0.f, 1.f),
vec3(0.f, 0.f, 0.f),
vec3(0.f, 1.f, 0.f)));
cameraPosition_->set(cameraProp_->get().getPosition());
}
void setUniform(tgt::Shader* shader, const std::string& volumeUniform, const std::string& structUniform, const VolumeBase* vh, const tgt::TextureUnit* texUnit, const tgt::Camera* camera, const tgt::vec4& lightPosition) {
if(texUnit)
shader->setUniform(volumeUniform, texUnit->getUnitNumber());
// volume size, i.e. dimensions of the proxy geometry in world coordinates
shader->setUniform(structUniform + ".datasetDimensions_", tgt::vec3(vh->getDimensions()));
shader->setUniform(structUniform + ".datasetDimensionsRCP_", vec3(1.f) / tgt::vec3(vh->getDimensions()));
// volume spacing, i.e. voxel size
shader->setUniform(structUniform + ".datasetSpacing_", vh->getSpacing());
shader->setUniform(structUniform + ".datasetSpacingRCP_", vec3(1.f) / vh->getSpacing());
// volume's size in its physical coordinates
shader->setUniform(structUniform + ".volumeCubeSize_", vh->getCubeSize());
shader->setUniform(structUniform + ".volumeCubeSizeRCP_", vec3(1.f) / vh->getCubeSize());
shader->setUniform(structUniform + ".volumeOffset_", vh->getOffset());
shader->setUniform(structUniform + ".numChannels_", static_cast<GLint>(vh->getNumChannels()));
// volume's transformation matrix
shader->setUniform(structUniform + ".physicalToWorldMatrix_", vh->getPhysicalToWorldMatrix());
tgt::mat4 invTm = vh->getWorldToPhysicalMatrix();
shader->setUniform(structUniform + ".worldToPhysicalMatrix_", invTm);
shader->setUniform(structUniform + ".worldToTextureMatrix_", vh->getWorldToTextureMatrix());
shader->setUniform(structUniform + ".textureToWorldMatrix_", vh->getTextureToWorldMatrix());
// camera position in volume object coords
if (camera)
shader->setUniform(structUniform + ".cameraPositionPhysical_", invTm*camera->getPosition());
// light position in volume object coords
shader->setUniform(structUniform + ".lightPositionPhysical_", (invTm*lightPosition).xyz());
LGL_ERROR;
// bit depth of the volume
shader->setUniform(structUniform + ".bitDepth_", (GLint)(vh->getBytesPerVoxel() * 8));
// construct shader real-world mapping by combining volume rwm and pixel transfer mapping
RealWorldMapping rwm = vh->getRealWorldMapping();
RealWorldMapping transferMapping;
if (vh->getRepresentation<VolumeGL>())
transferMapping = vh->getRepresentation<VolumeGL>()->getPixelTransferMapping();
else
LWARNINGC("voreen.glsl", "setUniform(): no VolumeGL");
RealWorldMapping shaderMapping = RealWorldMapping::combine(transferMapping.getInverseMapping(), rwm);
shader->setUniform(structUniform + ".rwmScale_", shaderMapping.getScale());
shader->setUniform(structUniform + ".rwmOffset_", shaderMapping.getOffset());
}
Serializable* KeyValueFactory::createType(const std::string& typeString) {
using tgt::ivec2;
using tgt::ivec3;
using tgt::ivec4;
using tgt::vec2;
using tgt::vec3;
using tgt::vec4;
using tgt::mat2;
using tgt::mat3;
using tgt::mat4;
if (typeString == "KeyValue_float")
return new PropertyKeyValue<float>(0, 0);
else if (typeString == "KeyValue_int")
return new PropertyKeyValue<int>(0, 0);
else if (typeString == "KeyValue_bool")
return new PropertyKeyValue<bool>(0, 0);
else if (typeString == "KeyValue_ivec2")
return new PropertyKeyValue<ivec2>(ivec2(0), 0);
else if (typeString == "KeyValue_ivec3")
return new PropertyKeyValue<ivec3>(ivec3(0), 0);
else if (typeString == "KeyValue_ivec4")
return new PropertyKeyValue<ivec4>(ivec4(0), 0);
else if (typeString == "KeyValue_vec2")
return new PropertyKeyValue<vec2>(vec2(0.0f), 0);
else if (typeString == "KeyValue_vec3")
return new PropertyKeyValue<vec3>(vec3(0.0f), 0);
else if (typeString == "KeyValue_vec4")
return new PropertyKeyValue<vec4>(vec4(0.0f), 0);
else if (typeString == "KeyValue_mat2")
return new PropertyKeyValue<mat2>(mat2(0.0f), 0);
else if (typeString == "KeyValue_mat3")
return new PropertyKeyValue<mat3>(mat3(0.0f), 0);
else if (typeString == "KeyValue_mat4")
return new PropertyKeyValue<mat4>(mat4(0.0f), 0);
else if (typeString == "KeyValue_Camera")
return new PropertyKeyValue<tgt::Camera>(tgt::Camera(vec3(0.0f), vec3(0.0f), vec3(0.0f)), 0);
else if (typeString == "KeyValue_string")
return new PropertyKeyValue<std::string>("", 0);
else if (typeString == "KeyValue_ShaderSource")
return new PropertyKeyValue<ShaderSource>(ShaderSource(), 0);
else if (typeString == "KeyValue_TransFunc")
return new PropertyKeyValue<TransFunc*>(new TransFunc(), 0);
else if (typeString == "KeyValue_VolumeCollection")
return new PropertyKeyValue<VolumeCollection*>(new VolumeCollection(), 0);
else if (typeString == "KeyValue_VolumeHandle")
return new PropertyKeyValue<VolumeHandle*>(new VolumeHandle(), 0);
else
return 0;
}
void TrackballNavigation::touchMoveEvent(tgt::TouchEvent* e) {
if (!trackball_ || !tracking_)
return;
if (trackballEnabled_) {
vec2 pointPos1 = e->touchPoints()[0].pos();
vec2 pointPos2 = e->touchPoints()[1].pos();
float newDistance = length(pointPos1 - pointPos2);
float zoomFactor = newDistance / lastDistance_;
vec2 newConnection = pointPos1 - pointPos2;
// normalice vector to calculate angle
newConnection = tgt::normalize(newConnection);
lastConnection_ = tgt::normalize(lastConnection_);
float angle = acos(newConnection.x * lastConnection_.x + newConnection.y * lastConnection_.y) ;
float angleDegree = tgt::rad2deg(angle);
// check crossproduct to determine whether it is a left or a right rotation
vec3 cross = tgt::cross(vec3(newConnection,0),vec3(lastConnection_,0));
// rotation if angle is big enough
if(angleDegree > 8.f) {
if (cross.z >= 0) {
angle = -angle;
}
// rotation around the z axis
trackball_ ->rotate(vec3(0.f, 0.f, 1.f), angle);
}
// zoom if the angle is low
else {
trackball_->zoom(zoomFactor);
}
e->accept();
lastDistance_ = newDistance;
lastConnection_ = newConnection;
}
}
CameraPositionRenderer::CameraPositionRenderer()
: GeometryRendererBase()
, enable_("enable", "Enable", true)
, displayCamera_("displayCamera", "Display Camera", tgt::Camera(vec3(0.f, 0.f, 3.5f), vec3(0.f, 0.f, 0.f), vec3(0.f, 1.f, 0.f)))
{
addProperty(enable_);
addProperty(displayCamera_);
// light parameters
light_pos[0] = 0.0f;
light_pos[1] = 1.0f;
light_pos[2] = 1.1f;
light_pos[3] = 1.0f;
light_ambient[0] = 1.0f;
light_ambient[1] = 1.0f;
light_ambient[2] = 1.0f;
light_ambient[3] = 1.0f;
light_diffuse[0] = 1.0f;
light_diffuse[1] = 1.0f;
light_diffuse[2] = 1.0f;
light_diffuse[3] = 1.0f;
light_specular[0] = 1.0f;
light_specular[1] = 1.0f;
light_specular[2] = 1.0f;
light_specular[3] = 1.0f;
// parameters for yellow plastic
//ye_ambient[0] = 0.25f;
//ye_ambient[1] = 0.2f;
//ye_ambient[2] = 0.07f;
//ye_ambient[3] = 1.0f;
//ye_diffuse[0] = 0.75f;
//ye_diffuse[1] = 0.61f;
//ye_diffuse[2] = 0.23f;
//ye_diffuse[3] = 1.0f;
//ye_specular[0] = 0.63f;
//ye_specular[1] = 0.56f;
//ye_specular[2] = 0.37f;
//ye_specular[3] = 1.0f;
//ye_shininess = 51.0f;
ye_ambient[0] = 0.25f;
ye_ambient[1] = 0.25f;
ye_ambient[2] = 0.25f;
ye_ambient[3] = 1.0f;
ye_diffuse[0] = 0.75f;
ye_diffuse[1] = 0.75f;
ye_diffuse[2] = 0.75f;
ye_diffuse[3] = 1.0f;
ye_specular[0] = 0.6f;
ye_specular[1] = 0.6f;
ye_specular[2] = 0.6f;
ye_specular[3] = 1.0f;
ye_shininess = 51.0f;
}
void TripleView::renderLargeSmallSmall(RenderPort& large, RenderPort& small1, RenderPort& small2) {
MatStack.matrixMode(tgt::MatrixStack::MODELVIEW);
outport_.activateTarget();
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if (large.isReady())
renderPortQuad(large, vec3(-0.333333f, 0.0f, 0.0f), vec3(0.666666, 1.0f, 1.0f));
if (small1.isReady())
renderPortQuad(small1, vec3(0.666666f, 0.5f, 0.0f), vec3(0.333333f, 0.5f, 1.0f));
if (small2.isReady())
renderPortQuad(small2, vec3(0.666666f, -0.5f, 0.0f), vec3(0.333333f, 0.5f, 1.0f));
glActiveTexture(GL_TEXTURE0);
if(showGrid_.get()) {
glDepthFunc(GL_ALWAYS);
glColor4f(gridColor_.get().r, gridColor_.get().g, gridColor_.get().b, gridColor_.get().a);
glBegin(GL_LINES);
glVertex2f(0.333333f, -1.0f);
glVertex2f(0.333333f, 1.0f);
glVertex2f(0.333333f, 0.0f);
glVertex2f(1.f, 0.0f);
glEnd();
glDepthFunc(GL_LESS);
}
outport_.deactivateTarget();
MatStack.matrixMode(tgt::MatrixStack::MODELVIEW);
MatStack.loadIdentity();
LGL_ERROR;
}
InteractiveRegistrationWidget::InteractiveRegistrationWidget()
: RenderProcessor()
, inport_(Port::INPORT, "input", "Image Input")
, outport_(Port::OUTPORT, "output", "Image Output")
, pickingPort_(Port::OUTPORT, "picking")
, textPort_(Port::OUTPORT, "text", "Text Output")
, transformMatrix_("transformMatrix", "Transformation Matrix", tgt::mat4::identity, tgt::mat4(-2000.0), tgt::mat4(2000.0))
, point_("point", "Point", vec3(0.0f), vec3(-999999.9f), vec3(999999.9f))
, plane_("plane", "Plane", vec3(1.0f, 0.0f, 0.0f), vec3(-5.0f), vec3(5.0f), Processor::VALID)
, planeDist_("planeDist", "Plane Distance", 0.0f, -1000.0f, 1000.0f, Processor::VALID)
, render_("render", "Render", true)
, camera_("camera", "Camera", tgt::Camera(vec3(0.f, 0.f, 3.5f), vec3(0.f, 0.f, 0.f), vec3(0.f, 1.f, 0.f)))
, sphereRadius_("sphereRadius", "Sphere Radius", 5.0f, 1.0f, 100.0f)
, ringRadius_("ringRadius", "Ring Radius", 50.0f, 1.0f, 300.0f)
, ringColor_("ringColor", "Ring Color", vec4(0.0f, 1.0f, 0.0f, 0.8f))
, sphereColor_("sphereColor", "Sphere Color", vec4(0.0f, 0.0f, 1.0f, 0.8f))
, centerPoint_("centerWidget", "Center Widget", Processor::VALID)
, copyShader_(0)
, lastCoord_(0)
, startDragCoord_(0.0f)
, curDragCoord_(0.0f)
, rotAngle_(0.0f)
, mouseDown_(-1)
{
addPort(inport_);
addPort(outport_);
addPrivateRenderPort(pickingPort_);
addPort(textPort_);
addProperty(render_);
addProperty(transformMatrix_);
addProperty(point_);
addProperty(plane_);
addProperty(planeDist_);
addProperty(camera_);
addProperty(sphereRadius_);
addProperty(ringRadius_);
addProperty(ringColor_);
ringColor_.setViews(Property::COLOR);
addProperty(sphereColor_);
sphereColor_.setViews(Property::COLOR);
addProperty(centerPoint_);
plane_.onChange(CallMemberAction<InteractiveRegistrationWidget>(this, &InteractiveRegistrationWidget::planeChanged));
planeDist_.onChange(CallMemberAction<InteractiveRegistrationWidget>(this, &InteractiveRegistrationWidget::planeChanged));
centerPoint_.onChange(CallMemberAction<InteractiveRegistrationWidget>(this, &InteractiveRegistrationWidget::centerPoint));
}
void setUniform(tgt::Shader* shader, const std::string& imageUniform, const std::string& structUniform, const Slice* sl, const tgt::TextureUnit* texUnit) {
bool ignoreErr = shader->getIgnoreUniformLocationError();
shader->setIgnoreUniformLocationError(true);
if(texUnit)
shader->setUniform(imageUniform, texUnit->getUnitNumber());
// volume size, i.e. dimensions of the proxy geometry in world coordinates
shader->setUniform(structUniform + ".datasetDimensions_", tgt::vec3(sl->getTexture()->getDimensions()));
shader->setUniform(structUniform + ".datasetDimensionsRCP_", vec3(1.f) / tgt::vec3(sl->getTexture()->getDimensions()));
// volume spacing, i.e. voxel size
//shader->setUniform(structUniform + ".datasetSpacing_", sl->getSpacing());
//shader->setUniform(structUniform + ".datasetSpacingRCP_", vec3(1.f) / sl->getSpacing());
shader->setUniform(structUniform + ".numChannels_", static_cast<GLint>(sl->getTexture()->getNumChannels()));
//shader->setUniform(structUniform + ".numChannels_", static_cast<GLint>(1));
// volume's transformation matrix
//shader->setUniform(structUniform + ".physicalToWorldMatrix_", sl->getPhysicalToWorldMatrix());
//tgt::mat4 invTm = sl->getWorldToPhysicalMatrix();
//shader->setUniform(structUniform + ".worldToPhysicalMatrix_", invTm);
shader->setUniform(structUniform + ".worldToTextureMatrix_", sl->getWorldToTextureMatrix());
shader->setUniform(structUniform + ".textureToWorldMatrix_", sl->getTextureToWorldMatrix());
LGL_ERROR;
// construct shader real-world mapping by combining volume rwm and pixel transfer mapping
RealWorldMapping rwm = sl->getRealWorldMapping();
//RealWorldMapping transferMapping;
//if (sl->getRepresentation<VolumeGL>())
//transferMapping = sl->getRepresentation<VolumeGL>()->getPixelTransferMapping();
//else
//LWARNINGC("voreen.glsl", "setUniform(): no VolumeGL");
//RealWorldMapping shaderMapping = RealWorldMapping::combine(transferMapping.getInverseMapping(), rwm);
RealWorldMapping shaderMapping = rwm;
shader->setUniform(structUniform + ".rwmScale_", shaderMapping.getScale());
shader->setUniform(structUniform + ".rwmOffset_", shaderMapping.getOffset());
shader->setIgnoreUniformLocationError(ignoreErr);
}
vec4 CPURaycaster::directRendering(const vec3& first, const vec3& last) {
tgtAssert(transferFunc_.get(), "no transfunc");
// retrieve intensity volume
const Volume* volume = volumePort_.getData()->getRepresentation<Volume>();
tgtAssert(volume, "no input volume");
tgt::svec3 volDim = volume->getDimensions();
tgt::vec3 volDimF = tgt::vec3((volume->getDimensions() - svec3(1)));
// retrieve gradient volume, if 2D TF is to be applied
const Volume* volumeGradient = 0;
if (intensityGradientTF_) {
volumeGradient = gradientVolumePort_.getData()->getRepresentation<Volume>();
tgtAssert(volumeGradient, "no gradient volume");
tgtAssert(volumeGradient->getNumChannels() >= 3, "gradient volume has less than three channels");
tgtAssert(volumeGradient->getDimensions() == volDim, "dimensions mismatch");
}
// use dimension with the highest resolution for calculating the sampling step size
float samplingStepSize = 1.f / (tgt::max(volDim) * samplingRate_.get());
// retrieve tf texture
tgt::Texture* tfTexture = transferFunc_.get()->getTexture();
tfTexture->downloadTexture();
// calculate ray parameters
float tend;
float t = 0.0f;
vec3 direction = last - first;
// if direction is a nullvector the entry- and exitparams are the same
// so special handling for tend is needed, otherwise we divide by zero
// furthermore both for-loops will cause only 1 pass overall.
// The test whether last and first are nullvectors is already done in main-function
// but however the framerates are higher with this test.
if (direction == vec3(0.0f) && last != vec3(0.0f) && first != vec3(0.0f))
tend = samplingStepSize / 2.0f;
else {
tend = length(direction);
direction = normalize(direction);
}
// ray-casting loop
vec4 result = vec4(0.0f);
float depthT = -1.0f;
bool finished = false;
for (int loop=0; !finished && loop<255*255; ++loop) {
vec3 sample = first + t * direction;
float intensity = 0.f;
if (texFilterMode_.getValue() == GL_NEAREST)
intensity = volume->getVoxelFloat(tgt::iround(sample*volDimF));
else if (texFilterMode_.getValue() == GL_LINEAR)
intensity = volume->getVoxelFloatLinear(sample*volDimF);
else
LERROR("Unknown texture filter mode");
// no shading is applied
vec4 color;
if (!intensityGradientTF_)
color = apply1DTF(tfTexture, intensity);
else {
tgt::vec3 grad;
if (texFilterMode_.getValue() == GL_NEAREST) {
tgt::ivec3 iSample = tgt::iround(sample*volDimF);
grad.x = volumeGradient->getVoxelFloat(iSample, 0);
grad.y = volumeGradient->getVoxelFloat(iSample, 1);
grad.z = volumeGradient->getVoxelFloat(iSample, 2);
}
else if (texFilterMode_.getValue() == GL_LINEAR) {
grad.x = volumeGradient->getVoxelFloatLinear(sample*volDimF, 0);
grad.y = volumeGradient->getVoxelFloatLinear(sample*volDimF, 1);
grad.z = volumeGradient->getVoxelFloatLinear(sample*volDimF, 2);
}
else
LERROR("Unknown texture filter mode");
float gradMag = tgt::clamp(tgt::length(grad), 0.f, 1.f);
color = apply2DTF(tfTexture, intensity, gradMag);
}
// perform compositing
if (color.a > 0.0f) {
// multiply alpha by samplingStepSize
// to accommodate for variable sampling rate
color.a *= samplingStepSize*200.f;
vec3 result_rgb = vec3(result.elem) + (1.0f - result.a) * color.a * vec3(color.elem);
result.a = result.a + (1.0f - result.a) * color.a;
result.r = result_rgb.r;
result.g = result_rgb.g;
result.b = result_rgb.b;
}
// save first hit ray parameter for depth value calculation
if (depthT < 0.0f && result.a > 0.0f)
depthT = t;
// early ray termination
if (result.a >= 0.95f) {
result.a = 1.0f;
finished = true;
}
t += samplingStepSize;
finished = finished || (t > tend);
} // ray-casting loop
// calculate depth value from ray parameter (todo)
// gl_FragDepth = 1.0;
// if (depthT >= 0.0)
// gl_FragDepth = calculateDepthValue(depthT / tend);
return result;
}
MeshListGeometry* ROICube::generateNormalizedMesh() const {
MeshListGeometry* geometry = new MeshListGeometry();
geometry->addMesh(MeshGeometry::createCube(vec3(-1.0f), vec3(1.0f), vec3(0.0f), vec3(1.0f), getColor().xyz(), getColor().xyz()));
return geometry;
}
bool ROICube::inROINormalized(tgt::vec3 p) const {
if(tgt::hand(tgt::greaterThanEqual(p, vec3(-1.0f))) && tgt::hand(tgt::lessThanEqual(p, vec3(1.0f))))
return true;
else
return false;
}
void QuadricRenderer::render() {
if (!enabled_.get())
return;
glPushAttrib(GL_ALL_ATTRIB_BITS);
glShadeModel(GL_SMOOTH);
GLUquadricObj* quadric = gluNewQuadric();
LGL_ERROR;
if (applyLighting_.get()) {
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glLightfv(GL_LIGHT0, GL_AMBIENT, lightAmbient_.get().elem);
glLightfv(GL_LIGHT0, GL_DIFFUSE, lightDiffuse_.get().elem);
glLightfv(GL_LIGHT0, GL_SPECULAR, lightSpecular_.get().elem);
glLightf(GL_LIGHT0, GL_SPOT_EXPONENT, 128.f);
tgt::Material material(color_.get(), color_.get(), color_.get(), materialShininess_.get());
material.activate();
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLightfv(GL_LIGHT0, GL_POSITION, lightPosition_.get().elem);
glPopMatrix();
}
else { // no lighting
glColor4fv(color_.get().elem);
}
LGL_ERROR;
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
if (quadricType_.isSelected("cylinder")) {
glTranslatef(start_.get().x, start_.get().y, start_.get().z);
//calculate correct rotation matrix:
vec3 rotz = normalize(end_.get() - start_.get());
vec3 roty = normalize(vec3(rotz.y, -rotz.z, 0.0f));
vec3 rotx = cross(roty, rotz);
float m[16];
m[0] = rotx.x;
m[1] = rotx.y;
m[2] = rotx.z;
m[3] = 0.0f;
m[4] = roty.x;
m[5] = roty.y;
m[6] = roty.z;
m[7] = 0.0f;
m[8] = rotz.x;
m[9] = rotz.y;
m[10] = rotz.z;
m[11] = 0.0f;
m[12] = 0.0f;
m[13] = 0.0f;
m[14] = 0.0f;
m[15] = 1.0f;
glMultMatrixf(m);
float l = length(start_.get() - end_.get());
gluCylinder(quadric, radius_.get(), radius_.get(), l, 200, 200);
}
else if (quadricType_.isSelected("sphere")) {
glTranslatef(position_.get().x, position_.get().y, position_.get().z);
gluSphere(quadric, radius_.get(), 20, 20);
}
else {
LERROR("Unknown quadric type: " << quadricType_.get());
}
LGL_ERROR;
glPopMatrix();
glPopAttrib();
gluDeleteQuadric(quadric);
LGL_ERROR;
}
void TripleView::process() {
switch(configuration_.getValue()) {
case abc: {
MatStack.matrixMode(tgt::MatrixStack::MODELVIEW);
outport_.activateTarget();
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if (inport1_.isReady())
renderPortQuad(inport1_, vec3(-0.66666f, 0.0f, 0.0f), vec3(0.333333f, 1.0f, 1.0f));
if (inport2_.isReady())
renderPortQuad(inport2_, vec3(0.0f, 0.0f, 0.0f), vec3(0.333333f, 1.0f, 1.0f));
if (inport3_.isReady())
renderPortQuad(inport3_, vec3(0.666666f, 0.0f, 0.0f), vec3(0.333333f, 1.0f, 1.0f));
glActiveTexture(GL_TEXTURE0);
if(showGrid_.get()) {
glDepthFunc(GL_ALWAYS);
glColor4f(gridColor_.get().r, gridColor_.get().g, gridColor_.get().b, gridColor_.get().a);
glBegin(GL_LINES);
glVertex2f(-0.333333f, -1.0f);
glVertex2f(-0.333333f, 1.0f);
glVertex2f(0.333333f, -1.0f);
glVertex2f(0.333333f, 1.0f);
glEnd();
glDepthFunc(GL_LESS);
}
outport_.deactivateTarget();
MatStack.matrixMode(tgt::MatrixStack::MODELVIEW);
MatStack.loadIdentity();
LGL_ERROR;
}
break;
case Abc: renderLargeSmallSmall(inport1_, inport2_, inport3_);
break;
case Bac: renderLargeSmallSmall(inport2_, inport1_, inport3_);
break;
case Cab: renderLargeSmallSmall(inport3_, inport1_, inport2_);
break;
//maximized:
case A: if(!inport1_.isReady())
return;
outport_.activateTarget();
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
renderPortQuad(inport1_, vec3(0.0f, 0.0f, 0.0f), vec3(1.0f, 1.0f, 1.0f));
outport_.deactivateTarget();
break;
case B: if(!inport2_.isReady())
return;
outport_.activateTarget();
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
renderPortQuad(inport2_, vec3(0.0f, 0.0f, 0.0f), vec3(1.0f, 1.0f, 1.0f));
outport_.deactivateTarget();
break;
case C: if(!inport3_.isReady())
return;
outport_.activateTarget();
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
renderPortQuad(inport3_, vec3(0.0f, 0.0f, 0.0f), vec3(1.0f, 1.0f, 1.0f));
outport_.deactivateTarget();
break;
}
}
void TrackballNavigation::keyEvent(tgt::KeyEvent* e) {
e->ignore();
bool accepted = false;
if ( (keyRotateMod_ == e->modifiers() || keyRotateMod_ & e->modifiers())
&& e->pressed() == keyRotatePressed_) {
if (e->keyCode() == keyRotateLeft_) {
trackball_->rotate(vec3(0.f, 1.f, 0.f), getRotationAngle(keyRotateAcuteness_));
accepted = true;
}
else if (e->keyCode() == keyRotateRight_) {
trackball_->rotate(vec3(0.f, 1.f, 0.f), -getRotationAngle(keyRotateAcuteness_));
accepted = true;
}
else if (e->keyCode() == keyRotateUp_) {
trackball_->rotate(vec3(1.f, 0.f, 0.f), -getRotationAngle(keyRotateAcuteness_));
accepted = true;
}
else if (e->keyCode() == keyRotateDown_) {
trackball_->rotate(vec3(1.f, 0.f, 0.f), getRotationAngle(keyRotateAcuteness_));
accepted = true;
}
}
if ( (keyMoveMod_ == e->modifiers() || keyMoveMod_ & e->modifiers())
&& e->pressed() == keyMovePressed_) {
if (e->keyCode() == keyMoveLeft_) {
trackball_->move(getMovementLength(keyMoveAcuteness_), vec3(-1.f, 0.f, 0.f));
accepted = true;
}
else if (e->keyCode() == keyMoveRight_) {
trackball_->move(getMovementLength(keyMoveAcuteness_), vec3( 1.f, 0.f, 0.f));
accepted = true;
}
else if (e->keyCode() == keyMoveUp_) {
trackball_->move(getMovementLength(keyMoveAcuteness_), vec3(0.f, 1.f, 0.f));
accepted = true;
}
else if (e->keyCode() == keyMoveDown_) {
trackball_->move(getMovementLength(keyMoveAcuteness_), vec3(0.f, -1.f, 0.f));
accepted = true;
}
}
if ( (keyZoomMod_ == e->modifiers() || keyZoomMod_ & e->modifiers())
&& e->pressed() == keyZoomPressed_) {
if (e->keyCode() == keyZoomIn_) {
trackball_->zoom(getZoomFactor(keyZoomAcuteness_, true));
accepted = true;
}
else if (e->keyCode() == keyZoomOut_) {
trackball_->zoom(getZoomFactor(keyZoomAcuteness_, false));
accepted = true;
}
}
if ( (keyRollMod_ == e->modifiers() || keyRollMod_ & e->modifiers())
&& e->pressed() == keyRollPressed_) {
if (e->keyCode() == keyRollLeft_) {
rollCameraHorz(getRollAngle(keyRollAcuteness_, true));
accepted = true;
}
else if (e->keyCode() == keyRollRight_) {
rollCameraHorz(getRollAngle(keyRollAcuteness_, false));
accepted = true;
}
}
if (accepted)
e->accept();
}
