{ "cells": [ { "cell_type": "code", "execution_count": 1, "id": "72eae2b0-1402-4fa4-a0ff-d859cf8e7bcf", "metadata": {}, "outputs": [], "source": [ "import os\n", "from osgeo import gdal\n", "import numpy as np" ] }, { "cell_type": "code", "execution_count": 2, "id": "1fb1c1cb-6e43-442c-a8ea-e8b61a4108bc", "metadata": {}, "outputs": [], "source": [ "def read_img(filename):\n", " data = gdal.Open(filename) # 打开文件\n", " im_width = data.RasterXSize # 读取图像行数\n", " im_height = data.RasterYSize # 读取图像列数\n", "\n", " im_geotrans = data.GetGeoTransform()\n", " # 仿射矩阵，左上角像素的大地坐标和像素分辨率。\n", " # 共有六个参数，分表代表左上角x坐标；东西方向上图像的分辨率；如果北边朝上，地图的旋转角度，0表示图像的行与x轴平行；左上角y坐标；\n", " # 如果北边朝上，地图的旋转角度，0表示图像的列与y轴平行；南北方向上地图的分辨率。\n", " im_proj = data.GetProjection() # 地图投影信息\n", " im_data = data.ReadAsArray(0, 0, im_width, im_height) # 此处读取整张图像\n", " # ReadAsArray(, , , )\n", " # 读出从(xoff,yoff)开始，大小为(xsize,ysize)的矩阵。\n", " del data # 释放内存，如果不释放，在arcgis，envi中打开该图像时会显示文件被占用\n", "\n", " return im_proj, im_geotrans, im_data" ] }, { "cell_type": "code", "execution_count": 3, "id": "24c38f93-9d68-46b7-a7f8-0124d98384e2", "metadata": {}, "outputs": [], "source": [ "def readtxt(file_path):\n", " print(\"read file path:\\t\",file_path)\n", " with open(file_path,'r',encoding='utf-8') as fp:\n", " line=fp.readlines()\n", " print(line)\n", " return line" ] }, { "cell_type": "code", "execution_count": 4, "id": "04e4be06-3561-4e74-975a-5e8687cb1385", "metadata": {}, "outputs": [], "source": [ "def writetiff(outname,data,nl,ns,im_proj,im_geotrans,nband=2):\n", " # 创建.tif文件\n", " driver = gdal.GetDriverByName(\"GTiff\")\n", " out_tif = driver.Create(outname, ns, nl, nband, gdal.GDT_Float32)\n", " #geotransform = (LonMin, Lon_Res, 0, LatMax, 0, -Lat_Res)\n", " out_tif.SetGeoTransform(im_geotrans) \n", " # 获取地理坐标系统信息，用于选取需要的地理坐标系统 \n", " #srs = osr.SpatialReference()\n", " #proj_type = 'GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude\",EAST],AUTHORITY[\"EPSG\",\"4326\"]]'\n", " out_tif.SetProjection(im_proj) # 给新建图层赋予投影信息 \n", " # 数据写出 \n", " for i in range(nband):\n", " out_tif.GetRasterBand(i+1).WriteArray(data[i]) # 将数据写入内存，此时没有写入硬盘\n", " out_tif.FlushCache() # 将数据写入硬盘\n", " out_tif = None # 注意必须关闭tif文件" ] }, { "cell_type": "code", "execution_count": 10, "id": "919de6ec-8441-4fa1-bbc3-4c9a7f1ec0cb", "metadata": {}, "outputs": [], "source": [ "def writetiff_NoProj(outname,data,nl,ns,nband=2):\n", " # 创建.tif文件\n", " driver = gdal.GetDriverByName(\"GTiff\")\n", " out_tif = driver.Create(outname,nl,ns,Lon_Res,Lat_Res,LonMin, LatMax, LonMax, nband, gdal.GDT_Float32)\n", " #geotransform = (LonMin, Lon_Res, 0, LatMax, 0, -Lat_Res)\n", " #out_tif.SetGeoTransform(geotransform) \n", " # 获取地理坐标系统信息，用于选取需要的地理坐标系统 \n", " #srs = osr.SpatialReference()\n", " #proj_type = 'GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AXIS[\"Latitude\",NORTH],AXIS[\"Longitude\",EAST],AUTHORITY[\"EPSG\",\"4326\"]]'\n", " #out_tif.SetProjection(proj_type) # 给新建图层赋予投影信息 \n", " # 数据写出 \n", " for i in range(nband):\n", " out_tif.GetRasterBand(i+1).WriteArray(data[i]) # 将数据写入内存，此时没有写入硬盘\n", " out_tif.FlushCache() # 将数据写入硬盘\n", " out_tif = None # 注意必须关闭tif文件" ] }, { "cell_type": "code", "execution_count": 11, "id": "af5414eb-f97a-4811-9f32-a4b533b513eb", "metadata": {}, "outputs": [], "source": [ "master_path=r\"D:\\backsigma\\microproduct\\vegetationHeight-L-SAR-V1.0\\vegetationPhenology\\track_master\"\n", "slave_path=r\"D:\\backsigma\\microproduct\\vegetationHeight-L-SAR-V1.0\\vegetationPhenology\\track_slave\"\n", "file_list=[\"s11.bin\",\"s12.bin\",\"s21.bin\",\"s22.bin\"]\n", "config_path=r\"config.txt\"\n", "mapinfo_path=r\"config_mapinfo.txt\"" ] }, { "cell_type": "code", "execution_count": 12, "id": "4100846c-faab-48e8-af6c-f86e02686ad1", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "read file path:\t D:\\backsigma\\microproduct\\vegetationHeight-L-SAR-V1.0\\vegetationPhenology\\track_master\\config.txt\n", "['Nrow\\n', '105\\n', '---------\\n', 'Ncol\\n', '141\\n', '---------\\n', 'PolarCase\\n', 'monostatic\\n', '---------\\n', 'PolarType\\n', 'full\\n']\n", "read file path:\t D:\\backsigma\\microproduct\\vegetationHeight-L-SAR-V1.0\\vegetationPhenology\\track_master\\config_mapinfo.txt\n", "['Sensor\\n', 'NONE\\n', '---------\\n', 'MapInfo\\n', 'map info = {UTM,1,1,0.0,0.0,1.0,1.0,30,North}\\n', '---------\\n', 'MapProj\\n', 'UTM\\n', '1\\n', '1\\n', '1.0\\n', '1.0\\n']\n" ] } ], "source": [ "config_text=readtxt(os.path.join(master_path,config_path))\n", "mapinfo_text=readtxt(os.path.join(master_path,mapinfo_path))" ] }, { "cell_type": "code", "execution_count": 13, "id": "801b6bad-4fa5-422c-8894-97d3cc995874", "metadata": {}, "outputs": [ { "ename": "NameError", "evalue": "name 'Lon_Res' is not defined", "output_type": "error", "traceback": [ "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m", "\u001b[1;31mNameError\u001b[0m Traceback (most recent call last)", "Cell \u001b[1;32mIn [13], line 5\u001b[0m\n\u001b[0;32m 3\u001b[0m im_proj, im_geotrans, im_data\u001b[38;5;241m=\u001b[39mread_img(filepath)\n\u001b[0;32m 4\u001b[0m data\u001b[38;5;241m=\u001b[39m[im_data\u001b[38;5;241m.\u001b[39mreal,im_data\u001b[38;5;241m.\u001b[39mimag]\n\u001b[1;32m----> 5\u001b[0m \u001b[43mwritetiff_NoProj\u001b[49m\u001b[43m(\u001b[49m\u001b[43mos\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mpath\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mjoin\u001b[49m\u001b[43m(\u001b[49m\u001b[43mmaster_path\u001b[49m\u001b[43m,\u001b[49m\u001b[43mfile\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mreplace\u001b[49m\u001b[43m(\u001b[49m\u001b[38;5;124;43m\"\u001b[39;49m\u001b[38;5;124;43m.bin\u001b[39;49m\u001b[38;5;124;43m\"\u001b[39;49m\u001b[43m,\u001b[49m\u001b[38;5;124;43m\"\u001b[39;49m\u001b[38;5;124;43m.tiff\u001b[39;49m\u001b[38;5;124;43m\"\u001b[39;49m\u001b[43m)\u001b[49m\u001b[43m)\u001b[49m\u001b[43m,\u001b[49m\u001b[43mdata\u001b[49m\u001b[43m,\u001b[49m\u001b[38;5;241;43m105\u001b[39;49m\u001b[43m,\u001b[49m\u001b[38;5;241;43m141\u001b[39;49m\u001b[43m,\u001b[49m\u001b[43mnband\u001b[49m\u001b[38;5;241;43m=\u001b[39;49m\u001b[38;5;241;43m2\u001b[39;49m\u001b[43m)\u001b[49m\n", "Cell \u001b[1;32mIn [10], line 4\u001b[0m, in \u001b[0;36mwritetiff_NoProj\u001b[1;34m(outname, data, nl, ns, nband)\u001b[0m\n\u001b[0;32m 1\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21mwritetiff_NoProj\u001b[39m(outname,data,nl,ns,nband\u001b[38;5;241m=\u001b[39m\u001b[38;5;241m2\u001b[39m):\n\u001b[0;32m 2\u001b[0m \u001b[38;5;66;03m# 创建.tif文件\u001b[39;00m\n\u001b[0;32m 3\u001b[0m driver \u001b[38;5;241m=\u001b[39m gdal\u001b[38;5;241m.\u001b[39mGetDriverByName(\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mGTiff\u001b[39m\u001b[38;5;124m\"\u001b[39m)\n\u001b[1;32m----> 4\u001b[0m out_tif \u001b[38;5;241m=\u001b[39m driver\u001b[38;5;241m.\u001b[39mCreate(outname,nl,ns,\u001b[43mLon_Res\u001b[49m,Lat_Res,LonMin, LatMax, LonMax, nband, gdal\u001b[38;5;241m.\u001b[39mGDT_Float32)\n\u001b[0;32m 5\u001b[0m \u001b[38;5;66;03m#geotransform = (LonMin, Lon_Res, 0, LatMax, 0, -Lat_Res)\u001b[39;00m\n\u001b[0;32m 6\u001b[0m \u001b[38;5;66;03m#out_tif.SetGeoTransform(geotransform) \u001b[39;00m\n\u001b[0;32m 7\u001b[0m \u001b[38;5;66;03m# 获取地理坐标系统信息，用于选取需要的地理坐标系统 \u001b[39;00m\n\u001b[1;32m (...)\u001b[0m\n\u001b[0;32m 10\u001b[0m \u001b[38;5;66;03m#out_tif.SetProjection(proj_type) # 给新建图层赋予投影信息 \u001b[39;00m\n\u001b[0;32m 11\u001b[0m \u001b[38;5;66;03m# 数据写出 \u001b[39;00m\n\u001b[0;32m 12\u001b[0m \u001b[38;5;28;01mfor\u001b[39;00m i \u001b[38;5;129;01min\u001b[39;00m \u001b[38;5;28mrange\u001b[39m(nband):\n", "\u001b[1;31mNameError\u001b[0m: name 'Lon_Res' is not defined" ] } ], "source": [ "for file in file_list:\n", " filepath=os.path.join(master_path,file)\n", " im_proj, im_geotrans, im_data=read_img(filepath)\n", " data=[im_data.real,im_data.imag]\n", " writetiff_NoProj(os.path.join(master_path,file.replace(\".bin\",\".tiff\")),data,105,141,nband=2)\n", " " ] }, { "cell_type": "code", "execution_count": 10, "id": "2c3be0df-cc37-43ff-8cd7-704a903438a7", "metadata": {}, "outputs": [ { "data": { "text/plain": [ "(105, 141)" ] }, "execution_count": 10, "metadata": {}, "output_type": "execute_result" } ], "source": [ "im_data.shape" ] }, { "cell_type": "code", "execution_count": 11, "id": "d2d4b4fb-89f2-4eb9-b93a-7b1ae7f29682", "metadata": {}, "outputs": [], "source": [ "for file in file_list:\n", " filepath=os.path.join(slave_path,file)\n", " im_proj, im_geotrans, im_data=read_img(filepath)\n", " data=[im_data.real,im_data.imag]\n", " writetiff_NoProj(os.path.join(slave_path,file.replace(\".bin\",\".tiff\")),data,105,141,nband=2)" ] }, { "cell_type": "code", "execution_count": 25, "id": "88faf53c-49e9-453b-b345-728701b82ede", "metadata": {}, "outputs": [], "source": [ "c=np.ones((105,141))\n", "c=c*np.array(list(range(141)))\n", "r=np.ones((105,141)).transpose()\n", "r=(r*np.array(list(range(105)))).transpose()" ] }, { "cell_type": "code", "execution_count": 28, "id": "7631cf12-160f-4be6-af62-240df8b70ff3", "metadata": {}, "outputs": [ { "data": { "text/plain": [ "array([[ 0., 1., 2., ..., 138., 139., 140.],\n", " [ 0., 1., 2., ..., 138., 139., 140.],\n", " [ 0., 1., 2., ..., 138., 139., 140.],\n", " ...,\n", " [ 0., 1., 2., ..., 138., 139., 140.],\n", " [ 0., 1., 2., ..., 138., 139., 140.],\n", " [ 0., 1., 2., ..., 138., 139., 140.]])" ] }, "execution_count": 28, "metadata": {}, "output_type": "execute_result" } ], "source": [ "c" ] }, { "cell_type": "code", "execution_count": 26, "id": "cc788f4a-96f3-4723-842c-7973ee998e1c", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "(105, 141) (105, 141)\n" ] } ], "source": [ "print(c.shape,r.shape)" ] }, { "cell_type": "code", "execution_count": 29, "id": "1027bafc-892d-4d03-99f2-0b030d433e9b", "metadata": {}, "outputs": [], "source": [ "data=[r,c]\n", "writetiff(os.path.join(master_path,\"ori_sim.tif\"),data,105,141,im_proj,im_geotrans,2)" ] }, { "cell_type": "code", "execution_count": 30, "id": "84aab2a4-3b48-4aac-a3a5-b804e8f431ed", "metadata": {}, "outputs": [], "source": [ "data=[np.ones((105,141))*45.0]\n", "writetiff(os.path.join(master_path,\"out_orth_sar_incidence.tif\"),data,105,141,im_proj,im_geotrans,1)" ] }, { "cell_type": "code", "execution_count": 15, "id": "63191526-29c4-4e7c-bb63-30bc9c5c6788", "metadata": {}, "outputs": [], "source": [ "data=[np.ones((105,141))*0]\n", "writetiff(os.path.join(master_path,\"..\",\"DEM.tif\"),data,105,141,im_proj,im_geotrans,1)" ] }, { "cell_type": "code", "execution_count": 16, "id": "58f8cce3-47df-400d-b9f5-2721c8ad1ebe", "metadata": {}, "outputs": [ { "data": { "text/plain": [ "'D:\\\\backsigma\\\\microproduct\\\\vegetationHeight-L-SAR-V1.0\\\\vegetationPhenology\\\\track_master\\\\..\\\\DEM.tif'" ] }, "execution_count": 16, "metadata": {}, "output_type": "execute_result" } ], "source": [ "os.path.join(master_path,\"..\",\"DEM.tif\")" ] }, { "cell_type": "code", "execution_count": null, "id": "53ae527d-2517-4ace-b016-c9d1ad9779c0", "metadata": {}, "outputs": [], "source": [] } ], "metadata": { "kernelspec": { "display_name": "Python 3 (ipykernel)", "language": "python", "name": "python3" }, "language_info": { "codemirror_mode": { "name": "ipython", "version": 3 }, "file_extension": ".py", "mimetype": "text/x-python", "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", "version": "3.8.13" } }, "nbformat": 4, "nbformat_minor": 5 }