initial upload

archive/xyz2shc/read_xyz.cpp

@@ -0,0 +1,68 @@
+#include "xyz2shc.h"
+
+int XYZ2SHC::ReadXyz(char* file_para,double given_dev){
+	char filename[1024];
+	int order[4];
+
+	//同时读取文件名和读入列
+	if (5 != sscanf(file_para,"%[^+]+d%d,%d,%d,%d",filename,&order[0],&order[1],&order[2],&order[3])){
+		if (4 != sscanf(file_para,"%[^+]+d%d,%d,%d",filename,&order[0],&order[1],&order[2])){
+			//直接将file_para赋值给filename
+			strcpy(filename,file_para);
+			order[0] = 0;
+			order[1] = 1;
+			order[2] = 2;
+			order[3] = -1;
+		}
+		else order[3] = -1;
+	}
+
+	ifstream infile;
+	if (open_infile(infile,filename)) return -1;
+
+	double temp_d;
+	_1dArray temp_row;
+	obspoint temp_obs;
+	string temp_str;
+	stringstream temp_ss;
+
+	temp_row.reserve(100);
+	while (getline(infile,temp_str)){
+		if (*(temp_str.begin()) == '#')
+			continue;
+
+		if (!temp_row.empty())
+			temp_row.clear();
+
+		temp_ss = str2ss(temp_str);
+		while (temp_ss >> temp_d)
+			temp_row.push_back(temp_d);
+
+		temp_obs.phi = temp_row[order[0]];
+		//注意经度范围为0~360
+		if (temp_obs.phi < 0){
+			temp_obs.phi += 360.0;
+		}
+
+		temp_obs.theta = temp_row[order[1]];
+		//注意讲纬度转换为余纬度
+		temp_obs.theta = 90.0 - temp_obs.theta;
+
+		temp_obs.rad = BDL_MAX; //注意我们这里暂时不需要半径信息
+		temp_obs.val = temp_row[order[2]];
+
+		//默认读入数据不包含dev
+		if (order[3] == -1) temp_obs.dev = given_dev;
+		else temp_obs.dev = temp_row[order[3]];
+
+		obs_point_.push_back(temp_obs);
+	}
+	infile.close();
+
+	obs_num_ = obs_point_.size();
+	if (obs_num_ == 0){
+		cerr << BOLDRED << "error ==> " << RESET << "fail to read observations: " << file_para << endl;
+		return -1;
+	}
+	else return 0;
+}