Arduinoログ: 2014

2014年7月21日月曜日

2014年4月24日木曜日

10fpsで動画を作成

- (void)writeImagesAsMovie:(NSArray *)images

toPath:(NSString *)path

{

NSParameterAssert(images);

NSParameterAssert(path);

NSAssert((images.count > 0), @"Set least one image.");

NSFileManager *fileManager = [NSFileManager defaultManager];

// 既にファイルがある場合は削除する

if ([fileManager fileExistsAtPath:path]) {

[fileManager removeItemAtPath:path error:nil];

}

// 最初の画像から動画のサイズ指定する

CGSize size = ((UIImage *)images[0]).size;

NSError *error = nil;

self.videoWriter = [[AVAssetWriter alloc] initWithURL:[NSURL fileURLWithPath:path]

fileType:AVFileTypeQuickTimeMovie

error:&error];

if (error) {

NSLog(@"%@", [error localizedDescription]);

return;

}

NSDictionary *outputSettings =

AVVideoCodecKey : AVVideoCodecH264,

AVVideoWidthKey : @(size.width),

AVVideoHeightKey : @(size.height),

};

AVAssetWriterInput *writerInput = [AVAssetWriterInput

assetWriterInputWithMediaType:AVMediaTypeVideo

outputSettings:outputSettings];

[self.videoWriter addInput:writerInput];

NSDictionary *sourcePixelBufferAttributes =

(NSString *)kCVPixelBufferPixelFormatTypeKey : @(kCVPixelFormatType_32ARGB),

(NSString *)kCVPixelBufferWidthKey : @(size.width),

(NSString *)kCVPixelBufferHeightKey : @(size.height),

};

AVAssetWriterInputPixelBufferAdaptor *adaptor = [AVAssetWriterInputPixelBufferAdaptor

assetWriterInputPixelBufferAdaptorWithAssetWriterInput:writerInput

sourcePixelBufferAttributes:sourcePixelBufferAttributes];

writerInput.expectsMediaDataInRealTime = YES;

// 動画生成開始

if (![self.videoWriter startWriting]) {

NSLog(@"Failed to start writing.");

return;

}

[self.videoWriter startSessionAtSourceTime:kCMTimeZero];

CVPixelBufferRef buffer = NULL;

int frameCount = 0;

double durationForEachImage = 0.05;

int32_t fps = 20;

for (UIImage *image in images) {

if (adaptor.assetWriterInput.readyForMoreMediaData) {

//CMTime frameTime = CMTimeMake((int64_t)frameCount * fps * durationForEachImage, fps);

//CMTime frameTime = CMTimeMake((int64_t)frameCount * 60, 600);

CMTime frameTime = CMTimeMake(1, 10);

CMTime lastTime=CMTimeMake(frameCount, 10);

CMTime presentTime=CMTimeAdd(lastTime, frameTime);

buffer = [self pixelBufferFromCGImage:image.CGImage];

if (![adaptor appendPixelBuffer:buffer withPresentationTime:presentTime]) {

NSLog(@"Failed to append buffer. [image : %@]", image);

}

if(buffer) {

CVBufferRelease(buffer);

}

frameCount++;

NSLog(@"%d",frameCount);

}

// 動画生成終了

[writerInput markAsFinished];

[self.videoWriter finishWritingWithCompletionHandler:^{

NSLog(@"Finish writing!");

NSURL *url = [NSURL URLWithString:path];

if ([library videoAtPathIsCompatibleWithSavedPhotosAlbum:url])

{

[library writeVideoAtPathToSavedPhotosAlbum:url

completionBlock:^(NSURL *assetURL, NSError *assetError)

{

if (assetError) { }

}];

}

}];

CVPixelBufferPoolRelease(adaptor.pixelBufferPool);

}

- (CVPixelBufferRef)pixelBufferFromCGImage:(CGImageRef)image

{

NSDictionary *options = @{

(NSString *)kCVPixelBufferCGImageCompatibilityKey : @(YES),

(NSString *)kCVPixelBufferCGBitmapContextCompatibilityKey: @(YES),

};

CVPixelBufferRef pxbuffer = NULL;

CVPixelBufferCreate(kCFAllocatorDefault,

CGImageGetWidth(image),

CGImageGetHeight(image),

kCVPixelFormatType_32ARGB,

(__bridge CFDictionaryRef)options,

&pxbuffer);

CVPixelBufferLockBaseAddress(pxbuffer, 0);

void *pxdata = CVPixelBufferGetBaseAddress(pxbuffer);

CGColorSpaceRef rgbColorSpace = CGColorSpaceCreateDeviceRGB();

CGContextRef context = CGBitmapContextCreate(pxdata,

CGImageGetWidth(image),

CGImageGetHeight(image),

4 * CGImageGetWidth(image),

rgbColorSpace,

(CGBitmapInfo)kCGImageAlphaNoneSkipFirst);

CGContextConcatCTM(context, CGAffineTransformMakeRotation(0));

CGAffineTransform flipVertical = CGAffineTransformMake(1, 0, 0, -1, 0, CGImageGetHeight(image));

CGContextConcatCTM(context, flipVertical);

CGAffineTransform flipHorizontal = CGAffineTransformMake(-1.0, 0.0, 0.0, 1.0, CGImageGetWidth(image), 0.0);

CGContextConcatCTM(context, flipHorizontal);

CGContextDrawImage(context, CGRectMake(0, 0, CGImageGetWidth(image), CGImageGetHeight(image)), image);

CGColorSpaceRelease(rgbColorSpace);

CGContextRelease(context);

CVPixelBufferUnlockBaseAddress(pxbuffer, 0);

return pxbuffer;

}

５フレームごとにUIImageを取り出す

if(saveMode){

if([images count] < 50){

if(saveTime == 0){

[images addObject:[self createImage]];

}

saveTime++;

if (saveTime == 3)saveTime = 0;

NSLog(@"%d",[images count]);

}else{

saveMode = false;

NSString *documentPath = (NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)[0]);

NSString *moviePath = [documentPath stringByAppendingPathComponent:@"movie.mov"];

[self writeImagesAsMovie:(NSArray *)images

toPath:moviePath];

}

OpenGLの描画内容を画像にする

-(UIImage *)createImage{

int backingWidth = self.view.bounds.size.width; // OpenGLのバッファの幅

int backingHeight = self.view.bounds.size.height; // OpenGLのバッファの高さ

NSInteger myDataLength = backingWidth * backingHeight * 4;

GLubyte *buffer = (GLubyte *) malloc(myDataLength);

glReadPixels(0, 0, backingWidth, backingHeight, GL_RGBA, GL_UNSIGNED_BYTE, buffer);

// FIXME:上下をひっくり返す。この処理が勿体ない。

GLubyte *buffer2 = (GLubyte *) malloc(myDataLength);

for(int y = 0; y <backingHeight; y++)

{

memcpy(&buffer2[((backingHeight-1) - y) * backingWidth * 4], &buffer[y * 4 * backingWidth], sizeof(GLubyte) * backingWidth * 4);

}

free(buffer);

CGDataProviderRef provider = CGDataProviderCreateWithData(NULL, buffer, myDataLength, NULL);

CGColorSpaceRef colorSpaceRef = CGColorSpaceCreateDeviceRGB();

CGImageRef imageRef = CGImageCreate(backingWidth, backingHeight, 8, 32, 4 * backingWidth, colorSpaceRef, kCGBitmapByteOrderDefault, provider, NULL, NO, kCGRenderingIntentDefault);

UIImage *image = [UIImage imageWithCGImage:imageRef];

return image;

}

カメラロールに保存

[library writeImageToSavedPhotosAlbum:image.CGImage

orientation:(ALAssetOrientation)image.imageOrientation

completionBlock:

^(NSURL *assetURL, NSError *error){

NSLog(@"URL:%@", assetURL);

NSLog(@"error:%@", error);

ALAuthorizationStatus status = [ALAssetsLibrary authorizationStatus];

if (status == ALAuthorizationStatusDenied) {

UIAlertView *alertView = [[UIAlertView alloc]

initWithTitle:@"エラー"

message:@"写真へのアクセスが許可されていません。\n設定 > 一般 > 機能制限で許可してください。"

delegate:nil

cancelButtonTitle:@"OK"

otherButtonTitles:nil];

[alertView show];

} else {

UIAlertView *alertView = [[UIAlertView alloc]

initWithTitle:@""

message:@"フォトアルバムへ保存しました。"

delegate:nil

cancelButtonTitle:@"OK"

otherButtonTitles:nil];

[alertView show];

}

}];

2014年3月12日水曜日

glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(eye.fovy, (float)eye.width/(float)eye.height, 0.1, 100000);

glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(eye.eye[0], eye.eye[1], eye.eye[2],
eye.center[0], eye.center[1], eye.center[2],
eye.up[0], eye.up[1], eye.up[2]);

eye.calcuratePosition(beforePoint,beforeMouse[0],beforeMouse[1]);
eye.calcuratePosition(nowPoint,x,y);
eye.rotateEye(beforePoint,nowPoint);

void Eye::calcuratePosition(double result[3],int x,int y)
{
x -= this->width/2;
y -= this->height/2;
printf("%d,%d\n",x,y);
double rate = (2.0 * 50.0 * tan(PI/180*this->fovy/2))/height;

printf("%lf\n",rate);
double rateX = x * rate;
double rateY = y * rate;

for (int i = 0;i < 3; i++){
result[i] = 50.0 * this->center[i] + rateX * this->left[i] + rateY * this->up[i];
}
}

void Eye::rotateEye(double start[3],double end[3])
{
double axis[3];
double radius;
vectorNormarise(start);
vectorNormarise(end);

exteriorProduct(start ,end, axis);
vectorNormarise(axis);
radius = acos(innerrProduct(start ,end));

printf("%lf,%lf,%lf\n",start[0],start[1],start[2]);
printf("%lf,%lf,%lf\n",end[0],end[1],end[2]);
printf("%lf,%lf,%lf,%lf\n",axis[0],axis[1],axis[2],radius);

rotateVector(axis,radius,center);
rotateVector(axis,radius,up);
rotateVector(axis,radius,left);
}
void Eye::rotateBy(double axis[3],double radius)
{
rotateVector(axis,radius,center);
rotateVector(axis,radius,up);
rotateVector(axis,radius,left);
printf("%lf,%lf,%lf\n",center[0],center[1],center[2]);
printf("%lf,%lf,%lf\n",up[0],up[1],up[2]);

printf("%lf,%lf,%lf\n",up[0],up[1],up[2]);
}

void exteriorProduct(double vec1[3],double vec2[3],double resullt[3])
{
resullt[0] = vec1[1] * vec2[2] - vec1[2] * vec2[1];
resullt[1] = vec1[2] * vec2[0] - vec1[0] * vec2[2];
resullt[2] = vec1[0] * vec2[1] - vec1[1] * vec2[0];
}
double vectorSize(double vec[3])
{
return sqrt(vec[0]*vec[0]+vec[1]*vec[1]+vec[2]*vec[2]);
}
void vectorNormarise(double vec1[3])
{
double size = vectorSize(vec1);
vec1[0] /= size;
vec1[1] /= size;
vec1[2] /= size;
}

double innerrProduct(double vec1[3],double vec2[3])
{
return vec1[0]*vec2[0]+vec1[1]*vec2[1]+vec1[2]*vec2[2];
}

void rotateVector(double axis[3],double radius, double vec[3])
{
double matrix[3][3];
matrix[0][0] = axis[0] * axis[0] * (1 - cos(radius)) + cos(radius);
matrix[0][1] = axis[0] * axis[1] * (1 - cos(radius)) - axis[2] * sin(radius);
matrix[0][2] = axis[2] * axis[0] * (1 - cos(radius)) + axis[1] * sin(radius);

matrix[1][0] = axis[0] * axis[1] * (1 - cos(radius)) + axis[2] * sin(radius);
matrix[1][1] = axis[1] * axis[1] * (1 - cos(radius)) + cos(radius);
matrix[1][2] = axis[1] * axis[2] * (1 - cos(radius)) - axis[0] * sin(radius);

matrix[2][0] = axis[2] * axis[0] * (1 - cos(radius)) - axis[1] * sin(radius);
matrix[2][1] = axis[1] * axis[2] * (1 - cos(radius)) + axis[0] * sin(radius);
matrix[2][2] = axis[2] * axis[2] * (1 - cos(radius)) + cos(radius);

double tmp[3];
for (int i = 0;i < 3;i++){
tmp[i] = vec[i];
}
for (int i = 0;i < 3;i++){
vec[i] = tmp[0] * matrix[i][0] + tmp[1] * matrix[i][1] + tmp[2] * matrix[i][2];
}
}

三角形分割

for(int i=0;i<this->target.size();i++){
this->points[i]->x = this->target[i]->x;
this->points[i]->y = this->target[i]->y;
}
count = this->target.size();

for(int i=0;i<this->target.size();i++){
this->target[i]->calcuRad(&startPoint,
this->target[this->target[i]->prevNum],
this->target[this->target[i]->nextNum]);
if(this->target[i]->radian == 0.0){
this->target[i]->life =false;
this->target[this->target[i]->prevNum]->nextNum = this->target[i]->nextNum;
this->target[this->target[i]->nextNum]->prevNum = this->target[i]->prevNum;
count--;
}
//fprintf(hoge,"%d,%d\n",(int)this->target[i]->x,(int)this->target[i]->y);
}
//fclose(hoge);
int peke;

while(count>2){
for(int i=0;i<this->target.size();i++){
if(this->target[i]->radian > 0 && this->target[i]->life){
Teto *teto = this->createFrom(i);
if (this->tetoOK(teto) && !this->otherPointsInTeto(teto))
{
this->tetos.push_back(teto);
this->drawTeto(teto,tetosImg);
this->target[this->target[i]->nextNum]->prevNum = this->target[i]->prevNum;
this->target[this->target[i]->nextNum]->calcuRad(&startPoint,
this->target[this->target[this->target[i]->nextNum]->prevNum],
this->target[this->target[this->target[i]->nextNum]->nextNum]);
this->target[this->target[i]->prevNum]->nextNum = this->target[i]->nextNum;
this->target[this->target[i]->prevNum]->calcuRad(&startPoint,
this->target[this->target[this->target[i]->prevNum]->prevNum],
this->target[this->target[this->target[i]->prevNum]->nextNum]);
this->target[i]->life = false;
count--;
char c = (char)cvWaitKey ( 1 );
cvShowImage("tetosImg",tetosImg);
i++;
}
}
}
}

STLファイルの読み込み

/*fp = fopen("cube-binary.stl", "r");

Solid *solid = new Solid();
this->solids.push_back(solid);
fread(solid->name, sizeof(char), 80, fp);
printf("%s\n",solid->name);

unsigned int faceNum ;
fread(&faceNum, sizeof(unsigned int), 1, fp);
printf("%d\n",faceNum);

for (int i=0;i<faceNum;i++){
float tmp;
Face *face = new Face();
solid->faces.push_back(face);
for (int j=0;j<3;j++){
fread(&tmp, sizeof(float), 1, fp);
printf("%lf\n",tmp);
face->normal[j] = tmp;
}
for (int k=0;k<3;k++){
for (int j=0;j<3;j++){
fread(&tmp, sizeof(float), 1, fp);
printf("%lf\n",tmp);
face->vertex[j].push_back(tmp);
}
}
char tmpChar[2];
fread(tmpChar, sizeof(char), 2, fp);

}*/
//fp = fopen("cube-ascii.stl", "r");
fp = fopen("kyata001.stl", "r");

while (fscanf(fp,"%s", &s) != -1) {
printf("%s,", s);
if (strcmp(s,"solid") == 0){
Solid *solid = new Solid();
this->solids.push_back(solid);
if (fscanf(fp,"%s", &solid->name) != -1){
//printf("%s,", solid->name);
while (fscanf(fp,"%s", &s) != -1 && fscanf(fp,"%s", &s2) != -1) {
//printf("%s,%s,", s,s2);
if (strcmp(s,"facet") == 0 && strcmp(s2,"normal") == 0){
Face *face = new Face();
for (int i = 0;i<3;i++){
fscanf(fp,"%lf", &face->normal[i]);
}
if (fscanf(fp,"%s", &s) != -1 && fscanf(fp,"%s", &s2) != -1) {
//printf("%s,%s,", s,s2);
if (strcmp(s,"outer") == 0 && strcmp(s2,"loop") == 0){
bool flag = true;
while (fscanf(fp,"%s", &s) != -1) {
//printf("%s,", s);
if (strcmp(s,"vertex") == 0 ){
for (int i = 0;i<3;i++){
double vertex;
fscanf(fp,"%lf", &vertex);
face->vertex[i].push_back(vertex);
}
}else if (strcmp(s,"endloop") == 0){
//printf("OKloop,");
solid->faces.push_back(face);
break;
}
}
}
}
if (fscanf(fp,"%s", &s) != -1) {
if (strcmp(s,"endfacet") == 0 ){
//printf("OKface");
}
}
}
}
}

}
}

2014年3月4日火曜日

たき火

14,3;13,3;14,3;16,3;14,3;13,3;14,3;16,3;18,3;17,3;16,3;16,3;17,12;16,3;14,3;14,3;14,3;13,3;11,3;11,3;11,3;14,3;13,3;16,3;17,3;18,12;17,9;16,3;15,3;16,3;17,6;16,3;14,3;14,3;16,3;14,12;11,3;11,3;11,3;13,3;14,3;14,3;11,3;11,3;16,3;16,3;17,3;17,3;18,12;

http://ototama.com/music/folksong/score.php?id=152

メダカの学校

18,6;17,6;16,9;16,3;17,6;17,3;18,3;17,12;16,6;14,6;13,9;13,3;14,18;-1,6;13,9;13,3;13,3;11,3;13,3;14,3;13,3;14,3;16,3;16,3;16,6;-1,6;13,9;13,3;13,3;11,3;13,3;14,3;13,3;14,3;16,3;16,3;16,6;-1,6;17,6;17,3;18,3;17,3;14,3;16,3;17,3;18,3;18,3;18,3;18,3;18,12

http://ototama.com/music/folksong/score.php?id=166

チューリップ

18,4;17,4;16,8;18,4;17,4;16,8;14,4;16,4;17,4;18,4;17,4;16,4;17,8;18,4;17,4;16,8;18,4;17,4;16,8;14,4;16,4;17,4;18,4;17,4;16,4;18,8;14,4;14,4;16,4;14,4;13,4;13,4;14,8;16,4;16,4;17,4;17,4;18,12;-1,4;

ぞうさん

16,9;17,3;18,6;16,9;17,3;18,6;15,9;14,3;13,3;11,3;13,3;13,3;14,3;15,3;14,6;11,12;13,6;10,3;11,3;13,6;15,6;14,9;13,3;17,3;18,3;15,18;;

きよしこの夜

14,9;13,3;14,6;16,18;14,9;13,3;14,6;16,12;-1,6;10,12;10,6;12,18;11,12;11,6;14,12;-1,6;13,12;13,6;11,9;12,3;13,6;14,9;13,3;14,6;16,12;-1,6;13,12;13,6;11,9;12,3;13,6;14,9;13,3;14,6;16,12;-1,6;10,12;10,6;8,9;10,3;12,6;11,18;9,12;-1,6;11,6;14,6;16,6;14,9;15,3;17,6;18,24;-1,6;

http://ototama.com/music/folksong/score.php?id=231

2014年3月3日月曜日

IplImageの画素値へのアクセス

for (int y = 0; y < dstImage->height; y++) {

for (int x = 0; x < dstImage->width; x++) {

dstImage->imageData[dstImage->widthStep * y + x * 4 + 3] = grayscaleImage->imageData[grayscaleImage->widthStep * y + x];

}

}

IplImage *base = cvLoadImage ("IMG_2128.JPG", CV_LOAD_IMAGE_ANYCOLOR);
IplImage *src_img = cvLoadImage ("IMG_2129.JPG", CV_LOAD_IMAGE_ANYCOLOR);
uchar p,p2;
for (int y = 0; y < base->height; y++) {
for (int x = 0; x < base->width; x++) {
for (int i=0;i<3;i++){
p = base->imageData[base->widthStep * y + x * base->nChannels + i];
p2 = src_img->imageData[src_img->widthStep * y + x * src_img->nChannels + i];
if((255-p)*0.8>0.0){
if ((255-p)*0.8 > 255-p2){
src_img->imageData[src_img->widthStep * y + x * src_img->nChannels + i] = 255;
}else{
src_img->imageData[src_img->widthStep * y + x * src_img->nChannels + i] +=
(255-p)*0.8;
}
}
}

}

}

お正月

15,12;14,6;15,3;14,3;13,6;11,6;13,12;14,6;14,6;15,6;14,6;13,13;-1,6;15,3;15,3;17,3;17,3;18,3;18,3;18,6;15,3;15,3;14,3;14,3;13,12;13,3;13,3;14,6;15,3;15,3;15,3;15,3;14,3;14,3;13,3;13,3;11,12;15,12;14,6;15,3;14,3;13,6;11,6;13,6;13,6;14,6;14,6;13,6;14,6;15,18;-1,4

http://ototama.com/music/folksong/score.php?id=139

方角センサ

systemVersion = [[[UIDevice currentDevice] systemVersion] floatValue];

// 周波数(Hz)

int frequency = 10;

// インスタンスの生成

manager = [[CMMotionManager alloc] init];

// CMDeviceMotionの開始

[self startCMDeviceMotion:frequency];

- (void)startCMDeviceMotion:(int)frequency

{

// センサーの有無を確認

if (manager.deviceMotionAvailable) {

// 更新間隔の指定

manager.deviceMotionUpdateInterval = 1 / frequency; // 秒

// ハンドラ

CMDeviceMotionHandler handler = ^(CMDeviceMotion *motion, NSError *error) {

/* magnetometer */

if (5.0 < systemVersion && manager.magnetometerAvailable) {

// "磁北"か"真北"からの角度。Y軸方向を起点にするため、(x, y)を渡す

double radian = atan2(motion.magneticField.field.x, motion.magneticField.field.y);

}

/* CMAttitude */

roll = motion.attitude.roll;

pitch = motion.attitude.pitch;

yaw = motion.attitude.yaw;

rotationMatrix = motion.attitude.rotationMatrix;

double tmp[3];

double PI = 3.14159283;

tmp[0] =0.0;

tmp[1] = 0.0;

tmp[2] = -1.0;

center[0] = rotationMatrix.m11 * tmp[0] + rotationMatrix.m21 * tmp[1] +rotationMatrix.m31 * tmp[2];

center[1] = rotationMatrix.m12 * tmp[0] + rotationMatrix.m22 * tmp[1] +rotationMatrix.m32 * tmp[2];

center[2] = rotationMatrix.m13 * tmp[0] + rotationMatrix.m23 * tmp[1] +rotationMatrix.m33 * tmp[2];

for (int i=0;i<3;i++){

center[i] = round(center[i]*100)/100.0;

}

NSLog(@"center=%lf,%lf,%lf",center[0],center[1],center[2]);

tmp[0] = 0.0;

tmp[1] = 1.0;

tmp[2] = 0.0;

up[0] = rotationMatrix.m11 * tmp[0] + rotationMatrix.m21 * tmp[1] +rotationMatrix.m31 * tmp[2];

up[1] = rotationMatrix.m12 * tmp[0] + rotationMatrix.m22 * tmp[1] +rotationMatrix.m32 * tmp[2];

up[2] = rotationMatrix.m13 * tmp[0] + rotationMatrix.m23 * tmp[1] +rotationMatrix.m33 * tmp[2];

for (int i=0;i<3;i++){

up[i] = round(up[i]*100)/100.0;

}

NSLog(@"up=%lf,%lf,%lf",up[0],up[1],up[2]);

};

// DeviceMotionの開始

if (5.0 < systemVersion) {

[manager startDeviceMotionUpdatesUsingReferenceFrame:CMAttitudeReferenceFrameXTrueNorthZVertical toQueue:[NSOperationQueue currentQueue] withHandler:handler];

} else {

[manager startDeviceMotionUpdatesToQueue:[NSOperationQueue currentQueue] withHandler:handler];

}

ぞうさん

15,9;17,3;18,6;15,9;17,3;18,6;15,9;14,3;13,3;11,3;13,3;13,3;14,3;15,3;14,6;11,9;13,6;10,3;11,3;13,6;15,6;14,9;13,3;17,3;18,3;15,18

http://ototama.com/music/folksong/score.php?id=151

チューリップ

18,4;17,4;16,8;18,4;17,4;16,8;14,4;16,4;17,4;18,4;17,4;16,4;17,8;18,4;17,4;16,8;18,4;17,4;16,8;14,4;16,4;17,4;18,4;17,4;16,4;18,8;14,4;14,4;16,4;14,4;13,4;13,4;14,8;16,4;16,4;17,4;17,4;18,12;-1,4;-1,1

http://ototama.com/music/folksong/score.php?id=155

うれしいひなまつり

14,4;14,4;14,4;15,4;14,4;14,4;11,4;13,4;14,4;14,4;13,4;13,4;14,12;-1,4;16,4;16,4;16,4;17,4;16,4;16,4;14,4;16,4;17,4;17,4;16,4;17,4;18,12;-1,4;11,8;11,4;10,4;11,4;13,2;14,2;16,4;16,4;14,4;14,4;11,4;13,4;14,12;-1,4;16,8;17,4;18,4;17,4;16,4;14,4;11,4;13,4;14,4;16,4;17,4;18,12;-1,4

http://ototama.com/music/folksong/score.php?id=169

赤とんぼ

18,3;15,3;15,9;14,3;13,3;11,3;8,3;10,3;11,6;10,3;15,3;15,6;14,6;13,12;-1,6;13,3;10,3;11,9;10,3;8,3;10,3;11,3;10,3;11,3;13,3;11,3;13,3;15,3;13,3;14,3;15,3;15,12;-1,6

http://ototama.com/music/folksong/score.php?id=130

タッチ位置と画像の位置を合わせる

UITapGestureRecognizer* pan = (UITapGestureRecognizer*) sender;

CGPoint location = [pan locationInView:self.view];

NSLog(@"pan x=%f, y=%f", location.x, location.y);

started =true;

areaValue = [[AreaValue alloc] init];

areaValue->x = location.x/self.view.frame.size.width*480;

areaValue->y = location.y/self.view.frame.size.height*640;

2014年2月27日木曜日

iosアプリのアイコン必要画像一覧

・アプリアイコン
iTunesArtwork@2x.png　　1024×1024 px
iTunesArtwork.png　　　　512×512
appicon-xxxhdpi.png　　　　196×196
appicon-xxhdpi.png　　　　 176×176
appicon-76@2x.png　　　　　152×152
appicon-72@2x.png　　　　　144×144
appicon@2x.png　　　　　　　120×120
appicon-114.png　　　　　　　114×114
appicon-76.png　　　　　　　　76×76
appicon-72.png　　　　　　　　72×72
appicon.png　　　　　　　　　57×57
　
・スプラッシュスクリーン
Default-Landscape@2x.png　　　2048（横）x1536（縦）
Default-Portrait@2x.png　　　　1536×2048
Default-Landscape.png　　　　1024×768
Default-Portrait.png　　　　　　768×1024
Default-568h@2x.png　　　　　640×1136
Default@2x.png　　　　　　　640×960　
Default.png　　　　　　　　　320×480
　
・ナビゲーションバー背景画像
navbar@2x.png　　　　　　640×88
navbar.png　　　　　　　　320×44
navbar-ipad@2x.png　　　　1536×88
navbar-ipad.png　　　　　　768×44

スレッドの作り方

unsigned thID;
HANDLE hTh;
hTh = (HANDLE)_beginthreadex(NULL, 0, scanPaperThread, NULL, 0, &thID);

if (hTh != NULL) {
　　CloseHandle(hTh);
　　printf("ハンドルクローズしました\n");
}

unsigned __stdcall scanPaperThread(void *lpx)
{
｝

かえるの歌

18,17,16,15,16,17,18,16,15,14,13,14,15,16,18,18,18,18,18,17,16,15,16,17,18

きらきら星

18,18,14,14,13,13,14,14,15,15,16,16,17,17,18,18,14,14,15,15,16,16,17,17,14,14,15,15,16,16,17,17,18,18,14,14,13,13,14,14,15,15,16,16,17,17,18,18

Excelマクロ

Function test(hoge As String)
If hoge = "ど" Then
test = 18
ElseIf hoge = "れ" Then
test = 17
ElseIf hoge = "み" Then
test = 16
ElseIf hoge = "ふぁ" Then
test = 15
ElseIf hoge = "そ" Then
test = 14
ElseIf hoge = "ら" Then
test = 13
ElseIf hoge = "し" Then
test = 12
End If
End Function

sin波

AudioOutputUnitStop(aU);

-(void)playSound{

//Sampling rate

_sampleRate = 44100.0f;

//Bit rate

bitRate = 8; // 8bit

//AudioComponentDescription

AudioComponentDescription aCD;

aCD.componentType = kAudioUnitType_Output;

aCD.componentSubType = kAudioUnitSubType_RemoteIO;

aCD.componentManufacturer = kAudioUnitManufacturer_Apple;

aCD.componentFlags = 0;

aCD.componentFlagsMask = 0;

//AudioComponent

AudioComponent aC = AudioComponentFindNext(NULL, &aCD);

AudioComponentInstanceNew(aC, &aU);

AudioUnitInitialize(aU);

//コールバック

AURenderCallbackStruct callbackStruct;

callbackStruct.inputProc = renderer;

callbackStruct.inputProcRefCon = (__bridge void*)self;

AudioUnitSetProperty(aU,

kAudioUnitProperty_SetRenderCallback,

kAudioUnitScope_Input,

&callbackStruct,

sizeof(AURenderCallbackStruct));

//AudioStreamBasicDescription

AudioStreamBasicDescription aSBD;

aSBD.mSampleRate = _sampleRate;

aSBD.mFormatID = kAudioFormatLinearPCM;

aSBD.mFormatFlags = kAudioFormatFlagsAudioUnitCanonical;

aSBD.mChannelsPerFrame = 2;

aSBD.mBytesPerPacket = sizeof(AudioUnitSampleType);

aSBD.mBytesPerFrame = sizeof(AudioUnitSampleType);

aSBD.mFramesPerPacket = 1;

aSBD.mBitsPerChannel = bitRate * sizeof(AudioUnitSampleType);

aSBD.mReserved = 0;

//AudioUnit

AudioUnitSetProperty(aU,

kAudioUnitProperty_StreamFormat,

kAudioUnitScope_Input,

&aSBD,

sizeof(aSBD));

//再生

AudioOutputUnitStart(aU);

}

static OSStatus renderer(void *inRef,

AudioUnitRenderActionFlags *ioActionFlags,

const AudioTimeStamp* inTimeStamp,

UInt32 inBusNumber,

UInt32 inNumberFrames,

AudioBufferList *ioData) {

//キャスト

ViewController* def = (__bridge ViewController*)inRef;

//サイン波

float freq = def.frequency*2.0*M_PI/def.sampleRate;

//値を書き込むポインタ

AudioUnitSampleType *outL = ioData->mBuffers[0].mData;

AudioUnitSampleType *outR = ioData->mBuffers[1].mData;

for (int i = 0; i < inNumberFrames; i++) {

// 周波数を計算

float wave = sin(def.phase);

AudioUnitSampleType sample = wave * (1 << kAudioUnitSampleFractionBits);

*outL++ = sample;

*outR++ = sample;

def.phase += freq;

}

return noErr;

};

周波数指定

switch (button.tag) {

case 19: //シ

_frequency = 246.94;

break;

case 18: //ド

_frequency = 261.62;

break;

case 17: //レ

_frequency = 293.66;

break;

case 16: //ミ

_frequency = 329.62;

break;

case 15: //ファ

_frequency = 349.22;

break;

case 14: //ソ

_frequency = 391.99;

break;

case 13: //ラ

_frequency = 440.00;

break;

case 12: //シ

_frequency = 493.88;

break;

case 11: //ド

_frequency = 523.25;

break;

case 10: //レ

_frequency = 587.32;//293.66;

break;

case 9: //ミ

_frequency = 659.25;//329.62;

break;

case 8: //ファ

_frequency = 698.45;//349.22;

break;

case 7: //ソ

_frequency = 783.99;//391.99;

break;

case 6: //ラ

_frequency = 880.00;//440.00;

break;

case 5: //シ

_frequency = 987.76;//493.88;

break;

case 4: //ド

_frequency = 1046.50;//523.25;

break;

case 3: //レ

_frequency = 1174.65;//293.66;

break;

case 2: //ミ

_frequency = 1318.51;//329.62;

break;

case 1: //ファ

_frequency = 1396.91;//349.22;

break;

case 0: //ソ

_frequency = 1567.98;//391.99;

break;

case 20: //ソ♯

_frequency = 1661.21;

break;

case 21: //ファ♯

_frequency = 1479.97;//391.99;

break;

case 23: //レ♯

_frequency =1244.50;//391.99;

break;

case 24: //ド♯

_frequency = 1108.73;//391.99;

break;

case 26: //ラ♯

_frequency = 932.32;//391.99;

break;

case 27: //ソ♯

_frequency = 830.60;//391.99;

break;

case 28: //ファ♯

_frequency = 739.98;//391.99;

break;

case 30: //レ♯

_frequency = 622.25;//391.99;

break;

case 31: //ド♯

_frequency = 554.36;//391.99;

break;

case 33: //ラ♯

_frequency = 466.16;//391.99;

break;

case 34: //ソ♯

_frequency = 415.30;//391.99;

break;

case 35: //ファ♯

_frequency = 369.99;//391.99;

break;

case 37: //レ♯

_frequency = 311.12;//391.99;

break;

case 38: //ド♯

_frequency = 277.18;//391.99;

break;

case 40: //ラ♯

_frequency = 233.08;//391.99;

break;

default:

break;

}

回転禁止

- (BOOL)shouldAutorotate
{
    return NO;
}


- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {

 return UIInterfaceOrientationIsPortrait(toInterfaceOrientation);

}

2014年2月16日日曜日

テンプレートマッチング

TemplateMatching.h
--------------------------

#pragma once
#include "cvbase.h"
class TemplateMatching :
public CVBase
{
public:
TemplateMatching(void);
~TemplateMatching(void);
void mainloop(void);
};

TemplateMatching.cpp
--------------------------
#include "TemplateMatching.h"

TemplateMatching::TemplateMatching(void)
{
}

TemplateMatching::~TemplateMatching(void)
{
}

void TemplateMatching::mainloop(void)
{
cv::Mat search_img = cv::imread("room7.png", 1);
if(search_img.empty()) return;
// テンプレート画像
cv::Mat tmp_img = cv::imread("room7_tmp_2.png", 1);
if(tmp_img.empty()) return;

cv::Mat result_img;
// テンプレートマッチング
cv::matchTemplate(search_img, tmp_img, result_img, CV_TM_CCOEFF_NORMED);

// 最大のスコアの場所を探す
cv::Rect roi_rect(0, 0, tmp_img.cols, tmp_img.rows);
cv::Point max_pt;
double maxVal;
cv::minMaxLoc(result_img, NULL, &maxVal, NULL, &max_pt);
roi_rect.x = max_pt.x;
roi_rect.y = max_pt.y;
std::cout << "(" << max_pt.x << ", " << max_pt.y << "), score=" << maxVal << std::endl;
// 探索結果の場所に矩形を描画
cv::rectangle(search_img, roi_rect, cv::Scalar(0,0,255), 3);

cv::namedWindow("search image", CV_WINDOW_AUTOSIZE|CV_WINDOW_FREERATIO);
cv::namedWindow("result image", CV_WINDOW_AUTOSIZE|CV_WINDOW_FREERATIO);
cv::imshow("search image", search_img);
cv::imshow("result image", result_img);
cv::waitKey(0);
}

指定エリア内のカラー平均グラフの生成

ManyAreaValue.h
--------------------------------

#pragma once
#include "cvbase.h"
#include <vector>

using namespace std;

class Area
{
public:
Area(void);
CvPoint start;
CvPoint end;
int sum[3];
int before[3];
};
class ManyAreaValue :
public CVBase
{
public:
ManyAreaValue(void);
~ManyAreaValue(void);
vector<Area *> areas;
CvPoint pStart;
int speed;

IplImage *graph;

FILE *fp;
cv::VideoCapture cap;
bool mouse;

int count;
int position;
void mouseEvent (int event, int x, int y, int flags, void *param);
void mouseEvent2 (int event, int x, int y, int flags, void *param);
void init(void);
void mainloop(void);

CvScalar createColor(int colorNum);

//void term(void);

void calucurateAreaRGB(IplImage *img);
void printAreaRGB(void);

};

ManyAreaValue.cpp
-----------------------------

#include "ManyAreaValue.h"

void on_mouse (int event, int x, int y, int flags, void *param = NULL);
void on_mouse2 (int event, int x, int y, int flags, void *param = NULL);

Area::Area(void)
{
for (int j=0;j<3;j++){
this->sum[j] = -1;
}

}

ManyAreaValue::ManyAreaValue(void)
{
count = 0;
graph = cvCreateImage( cvSize( 1200, 255*4), IPL_DEPTH_8U, 3);
for (int i=0;i<4;i++){
cvLine (graph, cvPoint(0,255*i), cvPoint(1200,255*i), CV_RGB ( 0, 0, 0), 1, CV_AA, 0);
cvLine (graph, cvPoint(0,255*i+100), cvPoint(1200,255*i+100), CV_RGB ( 100, 100, 100), 1, CV_AA, 0);
cvLine (graph, cvPoint(0,255*i+200), cvPoint(1200,255*i+200), CV_RGB ( 100, 100, 100), 1, CV_AA, 0);
}
}

ManyAreaValue::~ManyAreaValue(void)
{
}

void ManyAreaValue::mouseEvent (int event, int x, int y, int flags, void *param)
{
switch (event) {
case CV_EVENT_MOUSEMOVE:
break;
case CV_EVENT_LBUTTONDOWN:
pStart.x = x;
pStart.y = y;
break;
case CV_EVENT_LBUTTONUP:
Area *area = new Area();
CvPoint pEnd;
area->end.x = x;
area->end.y = y;
area->start = pStart;
areas.push_back(area);
break;
}
}

void ManyAreaValue::mouseEvent2 (int event, int x, int y, int flags, void *param)
{
switch (event) {
case CV_EVENT_MOUSEMOVE:
break;
case CV_EVENT_LBUTTONDOWN:
break;
case CV_EVENT_LBUTTONUP:
int setPos = (int)position/1200;
setPos += x;
count = x;
position = setPos;
cvSetCaptureProperty( this->capture, CV_CAP_PROP_POS_FRAMES, setPos*speed );
//frameNum = x*10;
break;
}
}

void ManyAreaValue::calucurateAreaRGB(IplImage *img)
{
for (int i=0;i<areas.size();i++){
uchar p[3];
for (int j=0;j<3;j++){
areas[i]->before[j] = areas[i]->sum[j] ;
areas[i]->sum[j] = 0;
}
int areaSize = (areas[i]->end.y-areas[i]->start.y) * (areas[i]->end.x-areas[i]->start.x);
for (int y = areas[i]->start.y; y < areas[i]->end.y; y++) {
for (int x = areas[i]->start.x; x < areas[i]->end.x; x++) {
for (int j=0;j<3;j++){
p[0] = img->imageData[img->widthStep * y + x * 3 + 2 - j];
areas[i]->sum[j] += p[0];
}
}
}
for (int j=0;j<3;j++){
areas[i]->sum[j] /= areaSize;
}
}
}

CvScalar ManyAreaValue::createColor(int colorNum)
{
if (colorNum == 0){
return CV_RGB ( 255, 0, 0);
}else if(colorNum == 1){
return CV_RGB ( 0, 255, 0);
}else if (colorNum == 2){
return CV_RGB ( 0, 0, 255);
}
return CV_RGB ( 255, 255, 255);
}

void ManyAreaValue::printAreaRGB(void)
{
double msec = cvGetCaptureProperty(this->capture,CV_CAP_PROP_POS_MSEC);
fprintf(this->fp,"%lf,",msec);
for (int i=0;i<areas.size();i++){
for (int j=0;j<3;j++){
if (areas[i]->before[j] !=-1){

cvLine(graph,
cvPoint(count-1,255*i),
cvPoint(count,255*i+255),
CV_RGB ( 0, 0, 0),
2, CV_AA, 0);
fprintf(this->fp,"%d,",areas[i]->sum[j]);
cvLine (graph,
cvPoint(count-1,255*i+areas[i]->before[j]),
cvPoint(count,255*i+areas[i]->sum[j]),
createColor(j),
2, CV_AA, 0);
}
}
}
fprintf(this->fp,"\n");
cvShowImage ("Graph",this->graph);
}

void ManyAreaValue::init(void)
{
FILE *initfp;
initfp = fopen("ini/ManyAreaValue.txt", "r");
char fileName[256];
int mode;
fscanf(initfp,"%d",&mode);
if (mode == 1){
fscanf(initfp,"%s",&fileName);
fscanf(initfp,"%d",&speed);
this->capture = cvCaptureFromFile(fileName);//"C:\\Users\\aiko\\Documents\\Visual Studio 2010\\Projects\\OpenCVBase\\1_01_H_131129153000.avi");
int areaNum;
fscanf(initfp,"%d",&areaNum);
for (int i=0;i<areaNum;i++){
Area *area = new Area();
fscanf(initfp,"%d",&area->start.x);
fscanf(initfp,"%d",&area->start.y);
fscanf(initfp,"%d",&area->end.x);
fscanf(initfp,"%d",&area->end.y);
this->areas.push_back(area);
}
}else{
this->capture = this->fromCamera();
}

cvNamedWindow( "Capture", 1 );
cvSetMouseCallback ("Capture", on_mouse);
cvNamedWindow( "Graph", 1 );
cvMoveWindow("Graph",0,0);

cvSetMouseCallback ("Capture", on_mouse);
this->fp = fopen("nyan.txt","w");
double fps = cvGetCaptureProperty(this->capture,CV_CAP_PROP_FPS);

}

void ManyAreaValue:: mainloop(void)
{
while (1) {
count++;
position++;
if(count>1200)count = 0;
for (int i=0;i<speed;i++){
this->frame = cvQueryFrame (this->capture);
}
if ( this->frame == NULL ){
cvSetCaptureProperty( this->capture, CV_CAP_PROP_POS_FRAMES, 0.0 );
this->frame = cvQueryFrame(this->capture);
continue;
}
if (this->areas.size() > 0){
this->calucurateAreaRGB(this->frame);
this->printAreaRGB();
for(int i=0;i<this->areas.size();i++)
this->drawLine(this->frame,this->areas[i]->start,this->areas[i]->end,CV_RGB (255, 0, 0),2);
}
cvShowImage ("Capture",this->frame);
ch = cvWaitKey ( 1 ); // 0 はディレイ時間 (ミリ秒単位)
if (ch == '\x1b') {
// ESC キー
break;
}
}
}

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Arduinoログ

2014年7月21日月曜日

りんごと桃とパイナップル

2014年4月24日木曜日

10fpsで動画を作成

５フレームごとにUIImageを取り出す

OpenGLの描画内容を画像にする

カメラロールに保存

2014年3月12日水曜日

似非マウス回転

三角形分割

STLファイルの読み込み

2014年3月4日火曜日

たき火

メダカの学校

チューリップ

ぞうさん

きよしこの夜

2014年3月3日月曜日

IplImageの画素値へのアクセス

お正月

方角センサ

ぞうさん

チューリップ

うれしいひなまつり

赤とんぼ

タッチ位置と画像の位置を合わせる

2014年2月27日木曜日

iosアプリのアイコン必要画像一覧

スレッドの作り方

かえるの歌

きらきら星

Excelマクロ

sin波

周波数指定

回転禁止

2014年2月16日日曜日

テンプレートマッチング

指定エリア内のカラー平均グラフの生成