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Create extendable coloring for interactions.

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This commit is contained in:
Bert Peters
2018-03-06 14:49:43 +01:00
parent 5bf126d9a7
commit 7963562717
2 changed files with 30 additions and 11 deletions
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30
src/ActivityAnimation.cpp
View File

@@ -9,8 +9,26 @@
using namespace std;
using namespace fmri;
ActivityAnimation::ActivityAnimation(const vector<pair<DType, pair<size_t, size_t>>> &interactions,
const float *aPositions, const float *bPositions, float xDist) :
ActivityAnimation::Color ActivityAnimation::colorBySign(float intensity)
{
if (intensity > 0) {
return {0, 1, 0};
} else {
return {1, 0, 0};
}
};
ActivityAnimation::ActivityAnimation(
const std::vector<std::pair<DType, std::pair<std::size_t, std::size_t>>> &interactions, const float *aPositions,
const float *bPositions, float xDist) :
ActivityAnimation(interactions, aPositions, bPositions, xDist, ActivityAnimation::colorBySign)
{
}
ActivityAnimation::ActivityAnimation(
const std::vector<std::pair<DType, std::pair<std::size_t, std::size_t>>> &interactions,
const float *aPositions, const float *bPositions, float xDist, ColoringFunction coloring)
:
bufferLength(3 * interactions.size())
{
startingPos.reserve(bufferLength);
@@ -21,13 +39,7 @@ ActivityAnimation::ActivityAnimation(const vector<pair<DType, pair<size_t, size_
auto *aPos = &aPositions[3 * entry.second.first];
auto *bPos = &bPositions[3 * entry.second.second];
array<float, 3> color;
if (entry.first > 0) {
color = {0, 1, 0};
} else {
color = {1, 0, 0};
}
colorBuf.push_back(color);
colorBuf.push_back(coloring(entry.first));
for (auto i : Range(3)) {
startingPos.emplace_back(aPos[i]);

7
src/ActivityAnimation.hpp
View File

@@ -12,10 +12,17 @@ namespace fmri
: public Animation
{
public:
typedef std::array<float, 3> Color;
typedef std::function<Color(float)> ColoringFunction;
ActivityAnimation(const std::vector<std::pair<DType, std::pair<std::size_t, std::size_t>>> &interactions,
const float *aPositions, const float *bPositions, float xDist);
ActivityAnimation(const std::vector<std::pair<DType, std::pair<std::size_t, std::size_t>>> &interactions,
const float *aPositions, const float *bPositions, float xDist, ColoringFunction coloring);
void draw(float timeScale) override;
static Color colorBySign(float intensity);
private:
std::size_t bufferLength;
std::vector<std::array<float, 3>> colorBuf;