initial upload

gm3d/init_obs.cpp

@@ -0,0 +1,61 @@
+#include "gm3d.h"
+
+int GM3D::InitObs(char* obs_para){
+	obspoint temp_obs;
+	string temp_str;
+	stringstream temp_ss;
+	double x,y;
+	double xmin,xmax,ymin,ymax;
+	double xs,xe,ys,ye,eleva,dx,dy;
+
+	//按格式解析参数 初始化观测位置 用于正演计算
+	if (7 == sscanf(obs_para,"%lf/%lf/%lf/%lf/%lf/%lf/%lf",&xs,&dx,&xe,&ys,&dy,&ye,&eleva)){
+		xmin = MIN(xs,xe); xmax = MAX(xs,xe);
+		ymin = MIN(ys,ye); ymax = MAX(ys,ye);
+
+		x = xs;
+		while(x >= xmin && x <= xmax){
+			y = ys;
+			while(y >= ymin && y <= ymax){
+				temp_obs.id = obs_p_.size();
+				temp_obs.x = x; temp_obs.y = y; temp_obs.z = -1.0*eleva;
+				temp_obs.val = temp_obs.dev = 0.0;
+				obs_p_.push_back(temp_obs);
+				y += dy;
+			}
+			x += dx;
+		}
+	}
+	//解析失败 按文件读入 用于反演使用或者正演计算
+	else{
+		ifstream infile;
+		if (open_infile(infile,obs_para)) return -1;
+
+		while(getline(infile,temp_str)){
+			if (*(temp_str.begin()) == '#') continue;
+			else{
+				//按每行3个数据解析 初始化为用于正演的观测点
+				if (3 == sscanf(temp_str.c_str(),"%lf %lf %lf",&temp_obs.y,&temp_obs.x,&temp_obs.z)){
+					temp_obs.z *= -1.0;
+					temp_obs.id = obs_p_.size();
+					temp_obs.val = temp_obs.dev = 0.0;
+					obs_p_.push_back(temp_obs);
+				}
+				else{
+					cerr << BOLDYELLOW << "ignored ==> " << RESET << "wrong input: " << temp_str << endl;
+					continue;
+				}
+			}
+		}
+		infile.close();
+	}
+
+	if (obs_p_.empty()){
+		cerr << BOLDRED << "error ==> " << RESET << "fail to initial observations with the parameter: " << obs_para << endl;
+		return -1;
+	}
+	else{
+		obs_num_ = obs_p_.size();
+	}
+	return 0;
+}