84 lines
2.7 KiB
JavaScript
84 lines
2.7 KiB
JavaScript
/**
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* dicom信息
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*/
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module.exports = app => {
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const mongoose = app.mongoose;
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const Schema = mongoose.Schema;
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const ImageSchema = new Schema({
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user_id: {
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type: Schema.Types.ObjectId,
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index: true,
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ref: "User"
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},
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StudyInstanceUID: {
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type: String,
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required: true
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}, //关联study
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SeriesInstanceUID: {
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type: String,
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index: true,
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required: true
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},
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pathUpload: {
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type: Boolean,
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default: false
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}, //dicom是否上传到OSS
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pngUpload: {
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type: Boolean,
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default: false
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}, //png是否上传到OSS
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path: String, //dicom在本地系统的路径
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pngPath: String, //png在本地系统的路径
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pngType: String, //png图像的类型
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pngWidth: Number, //png图像的宽
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pngHeight: Number, //png图像的高
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InstanceNumber: {
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type: Number,
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index: true
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}, //InstanceNumber 图像编号（非全局唯一）
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SOPInstanceUID: String, //SOPInstanceUID用于区分InstanceNumber
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SpacingBetweenSlices: String, //SpacingBetweenSlices 层间分辨率 如果这个值存在，zPixelSpacing取它，否则取SliceThickness
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PixelSpacing: String, //PixelSpacing 像素间分辨率,[x,y]
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PixelRepresentation: String, //PixelRepresentation像素数据的表现类型:这是一个枚举值，分别为十六进制数0000和0001.0000H = 无符号整数，0001H = 2的补码(简单理解为有符号整数)
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SamplesPerPixel: String, //采样率
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PixelPaddingValue: String, //PixelPaddingValue
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Columns: String, //Columns 图像列数 imagisizex
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Rows: String, //Rows 图像行数imagisizey, imagesizez 是series长度
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WindowWidth: String, //WindowWiRescaleInterceptdth 默认窗宽
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WindowCenter: String, //WindowCenter 默认窗位
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RescaleType: String, //RescaleType 斜率截距换算类型
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RescaleSlope: String, //RescaleSlope 斜率
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RescaleIntercept: String, //RescaleIntercept截距
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ImagePosition: String, //图像位置
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ImagePositionPatient: String, //图像相对病人的位置
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ImageOrientation: String, //图像方位
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ImageOrientationPatient: String, //图像相对于病人的方位
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SliceLocation: String, //切片位置
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BitsAllocated: String, //存储时每个像素分配的位数
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BitsStored: String, //存储每个像素使用的位数
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HighBit: String, //高位
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meta: {
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createdAt: {
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type: Date,
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default: new Date()
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},
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updatedAt: {
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type: Date,
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default: new Date()
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}
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}
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});
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ImageSchema.pre("save", function (next) {
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if (this.isNew) {
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this.meta.createdAt = this.meta.updatedAt = new Date();
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} else {
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this.meta.updatedAt = new Date();
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}
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next();
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});
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return mongoose.model("Image", ImageSchema);
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}; |