void
ViewerDisplayScheduler::timelineGoTo(TimeValue time)
{
ViewerNodePtr isViewer = getOutputNode()->isEffectViewerNode();
assert(isViewer);
isViewer->getTimeline()->seekFrame(time, true, isViewer, eTimelineChangeReasonPlaybackSeek);
}
void NeuralNetwork::updateAfterEdges(vector<double> &delta, double &total_error)
{
// 各出力ノード
for(int o = 0; o < output_nodes.size(); ++o)
{
// 誤差を計算
Node output = getOutputNode(o);
Node answer = getAnswerNode(o);
double error = answer.value - output.value;
total_error += error * error;
// 微分値
double deriv = output.value * (1.0 - output.value);
// 誤差伝搬に使う
delta.push_back(error * deriv);
// 現在の出力ノードへ伸びてくるエッジ集合
vector<Edge> edges = getAfterEdges(o);
for(int i = 0; i < edges.size(); ++i)
{
Edge e = edges.at(i); // あるエッジ
Node m = getMiddleNode(i); // 根元の中間ノード
// 修正量の計算
double update = learn_coeff * m.value * error * deriv;
// 重みを修正して更新
e.weight += update;
setAfterEdge(e);
}
}
}
void
ViewerDisplayScheduler::processFrame(const ProcessFrameArgsBase& args)
{
ViewerNodePtr isViewer = getOutputNode()->isEffectViewerNode();
assert(isViewer);
processFramesResults(isViewer, args.results);
} // processFrame
ActionRetCodeEnum
ViewerDisplayScheduler::createFrameRenderResults(TimeValue time, const std::vector<ViewIdx>& viewsToRender, bool enableRenderStats, RenderFrameResultsContainerPtr* results)
{
ViewerNodePtr viewer = toViewerNode(getOutputNode()->getEffectInstance());
assert(viewer);
return createFrameRenderResultsGeneric(viewer, shared_from_this(), time, true /*isPlayback*/, RotoStrokeItemPtr(), viewsToRender, enableRenderStats, results);
} // createFrameRenderResults
void
ViewerDisplayScheduler::onRenderStopped(bool /*/aborted*/)
{
// Refresh all previews in the tree
NodePtr effect = getOutputNode();
effect->getApp()->refreshAllPreviews();
if ( effect->getApp()->isGuiFrozen() ) {
getEngine()->s_refreshAllKnobs();
}
}
void
ViewerDisplayScheduler::onRenderFailed(ActionRetCodeEnum status)
{
// Upon failure clear the viewer to black. The node that failed should have posted a persistent message.
if (status == eActionStatusAborted) {
// When aborted, do not clear the viewer
return;
}
ViewerNodePtr effect = getOutputNode()->isEffectViewerNode();
effect->disconnectViewer();
}
void
ViewerDisplayScheduler::getFrameRangeToRender(TimeValue &first,
TimeValue &last) const
{
ViewerNodePtr isViewer = getOutputNode()->isEffectViewerNode();
ViewerNodePtr leadViewer = isViewer->getApp()->getLastViewerUsingTimeline();
ViewerNodePtr v = leadViewer ? leadViewer : isViewer;
assert(v);
int left, right;
v->getTimelineBounds(&left, &right);
first = TimeValue(left);
last = TimeValue(right);
}
TimeValue
ViewerDisplayScheduler::getLastRenderedTime() const
{
ViewerNodePtr effect = getOutputNode()->isEffectViewerNode();
return TimeValue(effect->getLastRenderedTime());
}
TimeValue
ViewerDisplayScheduler::timelineGetTime() const
{
ViewerNodePtr isViewer = getOutputNode()->isEffectViewerNode();
return TimeValue(isViewer->getTimeline()->currentFrame());
}