提示:rpc和rpb只是格式不一样,内容,基本参数都是一致的。
RPB参数的详细解释: https://blog.csdn.net/BellaLYW/article/details/127201765
信息来源: https://fr.mathworks.com/help/map/ref/map.geotiff.rpccoefficienttag.html?searchHighlight=zero
%matlab创建一个默认的RPC信息
%可通过改动结构体不同的内容对rpc进行修改
rpctag = map.geotiff.RPCCoefficientTag;
% map.geotiff.RPCCoefficientTag这个函数的其他用法是将RPC信息嵌入到tif文件中,不是一个很合适的用法,不需关注
matlab默认的rpc内容为:
RPCCoefficientTag with properties:
BiasErrorInMeters: -1
RandomErrorInMeters: -1
LineOffset: 1
SampleOffset: 1
GeodeticLatitudeOffset: 0
GeodeticLongitudeOffset: 0
GeodeticHeightOffset: 0
LineScale: 2
SampleScale: 2
GeodeticLatitudeScale: 1
GeodeticLongitudeScale: 1
GeodeticHeightScale: 500
LineNumeratorCoefficients: [0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0]
LineDenominatorCoefficients: [0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0]
SampleNumeratorCoefficients: [0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0]
SampleDenominatorCoefficients: [0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0]
RPC文件命名格式:filename_rpc.txt 或者 filename_RPC.txt
LINE_OFF :+8.787000000000000e+03 pixels
SAMP_OFF : +8.787000000000000e+03 pixels
LAT_OFF : +5.197788782488139e+01 degrees
LONG_OFF: +1.267276217581132e+02 degrees
HEIGHT_OFF: -3.665824527965528e+01 meters
LINE_SCALE: +8.787500000000000e+03 pixels
SAMP_SCALE: +8.787500000000000e+03 pixels
LAT_SCALE: +1.000000000000000e+01 degrees
LONG_SCALE: +1.000000000000000e+01 degrees
HEIGHT_SCALE :+5.036755360952578e+03 meters
LINE_NUM_COEFF_1:-2.489085287819830e-04
LINE_NUM_COEFF_2:-1.114244712474867e+01
LINE_NUM_COEFF_3:-6.168967195179680e+01
LINE_NUM_COEFF_4:+7.117708104229436e-05
LINE_NUM_COEFF_5:-1.395349820950307e-01
LINE_NUM_COEFF_6:+8.696093392117951e-03
LINE_NUM_COEFF_7:-9.575461257281814e-04
LINE_NUM_COEFF_8:+7.734382012664702e-01
LINE_NUM_COEFF_9:+2.574838134723002e-02
LINE_NUM_COEFF_10:+5.070051498763076e-06
LINE_NUM_COEFF_11:-5.809725628331042e-03
LINE_NUM_COEFF_12:+5.140801824748853e-03
LINE_NUM_COEFF_13:+4.289598645908305e-03
LINE_NUM_COEFF_14:+2.294752920112858e-03
LINE_NUM_COEFF_15:-9.015843957850683e-04
LINE_NUM_COEFF_16:+1.035394535926532e-02
LINE_NUM_COEFF_17:+1.232218463012144e-02
LINE_NUM_COEFF_18:+3.230339260864579e-02
LINE_NUM_COEFF_19:+1.047590959343009e-03
LINE_NUM_COEFF_20:+2.012768440253724e-08
LINE_DEN_COEFF_1:+1.000000000000000e+00
LINE_DEN_COEFF_2:+4.180010565216353e-04
LINE_DEN_COEFF_3:+1.324655197657377e-02
LINE_DEN_COEFF_4:-3.795304837771012e-05
LINE_DEN_COEFF_5:+2.545365596961364e-01
LINE_DEN_COEFF_6:-3.899350380745237e-04
LINE_DEN_COEFF_7:+5.589868166444578e-05
LINE_DEN_COEFF_8:+1.188681625956534e-03
LINE_DEN_COEFF_9:+6.863241299655094e-01
LINE_DEN_COEFF_10:-2.002690706130058e-04
LINE_DEN_COEFF_11:-2.072288733039329e-04
LINE_DEN_COEFF_12:+6.133069607160820e-03
LINE_DEN_COEFF_13:-1.449422536681941e-03
LINE_DEN_COEFF_14:-2.011485529779256e-06
LINE_DEN_COEFF_15:+3.500482182174969e-03
LINE_DEN_COEFF_16:+4.198143375537498e-04
LINE_DEN_COEFF_17:-2.285845110305829e-06
LINE_DEN_COEFF_18:-2.172369339810132e-04
LINE_DEN_COEFF_19:-4.144345265331140e-04
LINE_DEN_COEFF_20:-1.836223330071302e-09
SAMP_NUM_COEFF_1:+3.116290493890969e-03
SAMP_NUM_COEFF_2:+3.762565560709448e+01
SAMP_NUM_COEFF_3:-1.780287250778219e+01
SAMP_NUM_COEFF_4:+4.667388215545534e-02
SAMP_NUM_COEFF_5:-1.418392610803636e+00
SAMP_NUM_COEFF_6:-4.579691619531623e-02
SAMP_NUM_COEFF_7:+3.030408501996984e-02
SAMP_NUM_COEFF_8:-5.911326661297898e-01
SAMP_NUM_COEFF_9:-2.781904253558995e+00
SAMP_NUM_COEFF_10:-9.782108549302553e-05
SAMP_NUM_COEFF_11:+1.239834648584903e-03
SAMP_NUM_COEFF_12:+1.999566996539736e-01
SAMP_NUM_COEFF_13:+6.939464036194087e-02
SAMP_NUM_COEFF_14:-4.737705433260331e-02
SAMP_NUM_COEFF_15:-2.858026398839704e-01
SAMP_NUM_COEFF_16:-9.898030356627813e-03
SAMP_NUM_COEFF_17:+2.240107912228240e-02
SAMP_NUM_COEFF_18:+2.526433759914681e-03
SAMP_NUM_COEFF_19:+4.945279318567586e-03
SAMP_NUM_COEFF_20:-5.870434133733310e-05
SAMP_DEN_COEFF_1:+1.000000000000000e+00
SAMP_DEN_COEFF_2:+3.227373471194835e-01
SAMP_DEN_COEFF_3:+3.944306307994457e-02
SAMP_DEN_COEFF_4:-9.509654358749953e-03
SAMP_DEN_COEFF_5:+1.207778166635094e+01
SAMP_DEN_COEFF_6:-3.232572945854702e-02
SAMP_DEN_COEFF_7:+1.355313365456889e-02
SAMP_DEN_COEFF_8:-1.277420643579939e+01
SAMP_DEN_COEFF_9:-2.837944635154219e+00
SAMP_DEN_COEFF_10:-1.255397137925662e-03
SAMP_DEN_COEFF_11:+8.474582054034840e-02
SAMP_DEN_COEFF_12:+8.587278629665410e-03
SAMP_DEN_COEFF_13:+1.984850060313677e-02
SAMP_DEN_COEFF_14:-6.307604213724449e-04
SAMP_DEN_COEFF_15:+2.407506405453826e-02
SAMP_DEN_COEFF_16:-1.315252027876808e-02
SAMP_DEN_COEFF_17:+2.805758450086238e-05
SAMP_DEN_COEFF_18:-9.639541191512180e-02
SAMP_DEN_COEFF_19:-1.882857688509176e-02
SAMP_DEN_COEFF_20:+1.022672251679239e-05
RPB文件命名格式:filename.rpb
satId = "XXX";
bandId = "XXX";
SpecId = "XXX";
BEGIN_GROUP = IMAGE
errBias = 1.0;
errRand = 0.0;
lineOffset = +8.787000000000000e+03
sampOffset = +8.787000000000000e+03
latOffset = +5.197788782488139e+01
longOffset = +1.267276217581132e+02
heightOffset = -3.665824527965528e+01
lineScale = +8.787500000000000e+03
sampScale = +8.787500000000000e+03
latScale = +1.000000000000000e+01
longScale = +1.000000000000000e+01
heightScale = +5.036755360952578e+03
lineNumCoef = (
-2.489085287819830e-04,
-1.114244712474867e+01,
-6.168967195179680e+01,
+7.117708104229436e-05,
-1.395349820950307e-01,
+8.696093392117951e-03,
-9.575461257281814e-04,
+7.734382012664702e-01,
+2.574838134723002e-02,
+5.070051498763076e-06,
-5.809725628331042e-03,
+5.140801824748853e-03,
+4.289598645908305e-03,
+2.294752920112858e-03,
-9.015843957850683e-04,
+1.035394535926532e-02,
+1.232218463012144e-02,
+3.230339260864579e-02,
+1.047590959343009e-03,
+2.012768440253724e-08);
lineDenCoef = (
+1.000000000000000e+00,
+4.180010565216353e-04,
+1.324655197657377e-02,
-3.795304837771012e-05,
+2.545365596961364e-01,
-3.899350380745237e-04,
+5.589868166444578e-05,
+1.188681625956534e-03,
+6.863241299655094e-01,
-2.002690706130058e-04,
-2.072288733039329e-04,
+6.133069607160820e-03,
-1.449422536681941e-03,
-2.011485529779256e-06,
+3.500482182174969e-03,
+4.198143375537498e-04,
-2.285845110305829e-06,
-2.172369339810132e-04,
-4.144345265331140e-04,
-1.836223330071302e-09);
sampNumCoef = (
+3.116290493890969e-03,
+3.762565560709448e+01,
-1.780287250778219e+01,
+4.667388215545534e-02,
-1.418392610803636e+00,
-4.579691619531623e-02,
+3.030408501996984e-02,
-5.911326661297898e-01,
-2.781904253558995e+00,
-9.782108549302553e-05,
+1.239834648584903e-03,
+1.999566996539736e-01,
+6.939464036194087e-02,
-4.737705433260331e-02,
-2.858026398839704e-01,
-9.898030356627813e-03,
+2.240107912228240e-02,
+2.526433759914681e-03,
+4.945279318567586e-03,
-5.870434133733310e-05);
sampDenCoef = (
+1.000000000000000e+00,
+3.227373471194835e-01,
+3.944306307994457e-02,
-9.509654358749953e-03,
+1.207778166635094e+01,
-3.232572945854702e-02,
+1.355313365456889e-02,
-1.277420643579939e+01,
-2.837944635154219e+00,
-1.255397137925662e-03,
+8.474582054034840e-02,
+8.587278629665410e-03,
+1.984850060313677e-02,
-6.307604213724449e-04,
+2.407506405453826e-02,
-1.315252027876808e-02,
+2.805758450086238e-05,
-9.639541191512180e-02,
-1.882857688509176e-02,
+1.022672251679239e-05);
END_GROUP = IMAGE
END;
% lizijia 2022_4_18
% f_in_name: the input rpc or rpb file name
% f_out_name: the output rpb or rpc file name
% transform: 1 : rpb to rpc
% 2 : rpc to rpb
% use_example:
% rpb2rpc_li(f_in_name,f_out_name,1); % rpb 2 rpc
% rpb2rpc_li(f_in_name,f_out_name,2); % rpc 2 rpb
function rpb2rpc_lzj(f_in_name,f_out_name,transform_type)
if uint8(transform_type)==1
% 1 读取RPB文件内容
fid1=fopen(f_in_name,'r');
read_one_line = fgetl(fid1);
read_one_line = fgetl(fid1);
read_one_line = fgetl(fid1);
read_one_line = fgetl(fid1);
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',});
errBias=char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',});
errRand=char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',});
lineOffset =char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',});
sampOffset=char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',});
latOffset =char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
longOffset=char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
heightOffset=char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
linescale=char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
samplescale=char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
latScale =char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
longScale =char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
heightScale =char(temp(2));
read_one_line = fgetl(fid1);
for i=1:20
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
lineNumCoef{i}=temp(1);
end
read_one_line = fgetl(fid1);
for i=1:20
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
lineDenCoef{i}=temp(1);
end
read_one_line = fgetl(fid1);
for i=1:20
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
sampNumCoef{i}=temp(1);
end
read_one_line = fgetl(fid1);
for i=1:20
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
sampDenCoef{i}=temp(1);
end
fclose(fid1);
% 2 将rpb文件写为rpc文件
fid2=fopen(f_out_name,'w');
fprintf(fid2,['LINE_OFF: ',strtrim(char(lineOffset)),' pixels']);
fprintf(fid2,'\n');
fprintf(fid2,['SAMP_OFF: ',strtrim(char(sampOffset )),' pixels']);
fprintf(fid2,'\n');
fprintf(fid2,['LAT_OFF: ',strtrim(char(latOffset)),' degrees']);
fprintf(fid2,'\n');
fprintf(fid2,['LONG_OFF: ',strtrim(char(longOffset )),' degrees']);
fprintf(fid2,'\n');
fprintf(fid2,['HEIGHT_OFF: ',strtrim(char(heightOffset )),' meters']);
fprintf(fid2,'\n');
fprintf(fid2,['LINE_SCALE: ',strtrim(char(linescale)),' pixels']);
fprintf(fid2,'\n');
fprintf(fid2,['SAMP_SCALE: ',strtrim(char(samplescale)),' pixels']);
fprintf(fid2,'\n');
fprintf(fid2,['LAT_SCALE: ',strtrim(char(latScale)),' degrees']);
fprintf(fid2,'\n');
fprintf(fid2,['LONG_SCALE: ',strtrim(char(longScale )),' degrees']);
fprintf(fid2,'\n');
fprintf(fid2,['HEIGHT_SCALE: ',strtrim(char(heightScale )),' meters']);
fprintf(fid2,'\n');
%fprintf(fid2,' lineNumCoef = (\r\n');
for i=1:20
fprintf(fid2,['LINE_NUM_COEFF_',num2str(i),': ',strtrim(char(lineNumCoef{i}))]);
fprintf(fid2,'\n');
end
for i=1:20
fprintf(fid2,['LINE_DEN_COEFF_',num2str(i),': ',strtrim(char(lineDenCoef{i}))]);
fprintf(fid2,'\n');
end
for i=1:20
fprintf(fid2,['SAMP_NUM_COEFF_',num2str(i),': ',strtrim(char(sampNumCoef{i}))]);
fprintf(fid2,'\n');
end
for i=1:20
fprintf(fid2,['SAMP_DEN_COEFF_',num2str(i),': ',strtrim(char(sampDenCoef{i}))]);
fprintf(fid2,'\n');
end
fclose(fid2);
elseif uint8(transform_type)==2
% 1 读取RPC文件内容
fid1=fopen(f_in_name,'r');
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',',','p','d','m',':'});
lineOffset =char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',',','p','d','m',':'});
sampOffset=char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',',','p','d','m',':'});
latOffset =char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',',','p','d','m',':'});
longOffset=char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',',','p','d','m',':'});
heightOffset=char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',',','p','d','m',':'});
linescale=char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',',','p','d','m',':'});
samplescale=char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',',','p','d','m',':'});
latScale =char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',',','p','d','m',':'});
longScale =char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',',','p','d','m',':'});
heightScale =char(temp(2));
for i=1:20
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',',','p','d','m',':'});
lineNumCoef{i}=temp(2);
end
for i=1:20
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',',','p','d','m',':'});
lineDenCoef{i}=temp(2);
end
for i=1:20
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',',','p','d','m',':'});
sampNumCoef{i}=temp(2);
end
for i=1:20
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',',','p','d','m',':'});
sampDenCoef{i}=temp(2);
end
fclose(fid1);
% 2 将rpc文件写为rpb文件
fid2=fopen(f_out_name,'w');
fprintf(fid2,'satId = "XXX";');
fprintf(fid2,'\n');
fprintf(fid2,'bandId = "XXX";');
fprintf(fid2,'\n');
fprintf(fid2,'SpecId = "XXX";');
fprintf(fid2,'\n');
fprintf(fid2,'BEGIN_GROUP = IMAGE');
fprintf(fid2,'\n');
fprintf(fid2,' errBias = 1.0;');
fprintf(fid2,'\n');
fprintf(fid2,' errRand = 0.0;');
fprintf(fid2,'\n');
fprintf(fid2,[' lineOffset = ',strtrim(char(lineOffset))]);
fprintf(fid2,'\n');
fprintf(fid2,[' sampOffset = ',strtrim(char(sampOffset ))]);
fprintf(fid2,'\n');
fprintf(fid2,[' latOffset = ',strtrim(char(latOffset))]);
fprintf(fid2,'\n');
fprintf(fid2,[' longOffset = ',strtrim(char(longOffset ))]);
fprintf(fid2,'\n');
fprintf(fid2,[' heightOffset = ',strtrim(char(heightOffset ))]);
fprintf(fid2,'\n');
fprintf(fid2,[' lineScale = ',strtrim(char(linescale))]);
fprintf(fid2,'\n');
fprintf(fid2,[' sampScale = ',strtrim(char(samplescale))]);
fprintf(fid2,'\n');
fprintf(fid2,[' latScale = ',strtrim(char(latScale))]);
fprintf(fid2,'\n');
fprintf(fid2,[' longScale = ',strtrim(char(longScale ))]);
fprintf(fid2,'\n');
fprintf(fid2,[' heightScale = ',strtrim(char(heightScale ))]);
fprintf(fid2,'\n');
fprintf(fid2,' lineNumCoef = (');
fprintf(fid2,'\n');
for i=1:19
fprintf(fid2,[' ',strtrim(char(lineNumCoef{i})),',']);
fprintf(fid2,'\n');
end
fprintf(fid2,[' ',strtrim(char(lineNumCoef{20})),')',';']);
fprintf(fid2,'\n');
fprintf(fid2,' lineDenCoef = (');
fprintf(fid2,'\n');
for i=1:19
fprintf(fid2,[' ',strtrim(char(lineDenCoef{i})),',']);
fprintf(fid2,'\n');
end
fprintf(fid2,[' ',strtrim(char(lineDenCoef{20})),')',';']);
fprintf(fid2,'\n');
fprintf(fid2,' sampNumCoef = (');
fprintf(fid2,'\n');
for i=1:19
fprintf(fid2,[' ',strtrim(char(sampNumCoef{i})),',']);
fprintf(fid2,'\n');
end
fprintf(fid2,[' ',strtrim(char(sampNumCoef{20})),')',';']);
fprintf(fid2,'\n');
fprintf(fid2,' sampDenCoef = (');
fprintf(fid2,'\n');
for i=1:19
fprintf(fid2,[' ',strtrim(char(sampDenCoef{i})),',']);
fprintf(fid2,'\n');
end
fprintf(fid2,[' ',strtrim(char(sampDenCoef{20})),')',';']);
fprintf(fid2,'\n');
fprintf(fid2,'END_GROUP = IMAGE');
fprintf(fid2,'\n');
fprintf(fid2,'END;');
fclose(fid2);
end
end
这里写的是读取RPB文件。当然也可以自行加上上面RPC和RPB文件转换的函数。实现是RPB,RPC文件的读取及坐标正算
function pixel_position=RS_read_rpb(f_in_name,llh)
%author lizijia
%2022-4-28
% 读取遥感RPB文件,输入经纬度,获取经纬度值对象的像素坐标。
%f_in_name: 输入RPB,RPC文件名称
%llh: [lat,lon,height]
%pixel_position: [line,sample]
lat=llh(1);
lon=llh(2);
h=llh(3);
% 1 读取RPB文件内容
fid1=fopen(f_in_name,'r');
read_one_line = fgetl(fid1);
read_one_line = fgetl(fid1);
read_one_line = fgetl(fid1);
read_one_line = fgetl(fid1);
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',});
errBias=char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',});
errRand=char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',});
lineOffset =char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',});
sampOffset=char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',});
latOffset =char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
longOffset=char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
heightOffset=char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
linescale=char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
samplescale=char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
latScale =char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
longScale =char(temp(2));
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
heightScale =char(temp(2));
read_one_line = fgetl(fid1);
for i=1:20
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
lineNumCoef{i}=temp(1);
end
read_one_line = fgetl(fid1);
for i=1:20
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
lineDenCoef{i}=temp(1);
end
read_one_line = fgetl(fid1);
for i=1:20
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
sampNumCoef{i}=temp(1);
end
read_one_line = fgetl(fid1);
for i=1:20
read_one_line = fgetl(fid1);
temp=strsplit(read_one_line,{';','=',')',','});
sampDenCoef{i}=temp(1);
end
fclose(fid1);
P=(lat-str2num(latOffset))/str2num(latScale);
L=(lon-str2num(longOffset))/str2num(longScale);
H=(h-str2num(heightOffset))/str2num(heightScale);
% X,Y的归一化公式
%X=(sample-str2num(sampOffset))/str2num(samplescale);
%Y=(line-str2num(lineOffset))/str2num(linescale);
num_l_coef=[];
for i=1:20
num_l_coef=[num_l_coef,str2num(char(lineNumCoef{i}))] ;
end
den_l_coef=[];
for i=1:20
den_l_coef=[den_l_coef,str2num(char(lineDenCoef{i}))] ;
end
num_s_coef=[];
for i=1:20
num_s_coef=[num_s_coef,str2num(char(sampNumCoef{i}))] ;
end
den_s_coef=[];
for i=1:20
den_s_coef=[den_s_coef,str2num(char(sampDenCoef{i}))] ;
end
xishu=[1,L,P,H,L*P,L*H,P*H,L*L,P*P,H*H,P*L*H,L*L*L,L*P*P,L*H*H,L*L*P,P*P*P,P*H*H,L*L*H,P*P*H,H*H*H];
line=((num_l_coef*xishu')/(den_l_coef*xishu'))*str2num(char(linescale))+str2num(char(lineOffset));
sample=(num_s_coef*xishu')/(den_s_coef*xishu')*str2num(char(samplescale))+str2num(char(sampOffset));
pixel_position=[line,sample];
end
https://blog.csdn.net/qq_40996400/article/details/89322848
*vs配置GDAL库遇到“ fatal error U1050: PROJ_INCLUDE should be defined. PROJ >= 6 is a required depende”的错误*
解决方法:
https://blog.csdn.net/leo_csdn_/article/details/97137348
https://www.cnblogs.com/bigbigtree/archive/2011/11/19/2255495.html
https://blog.csdn.net/weishaodong/article/details/121189467
https://www.cnblogs.com/xiaowangba/p/6313898.html
卫星遥感影像RPC参数求解算法研究_张过
使用envi读取附带RPC信息的影像,通过pixel_locater可以读取某个特征点的经纬度信息。
注意注意:这个经纬度信息不准确,因为这个计算出来的经纬度没有添加高程信息!!!
解决方法:准确的RPC影像,像素->经纬度,请通过gdal的RPC反算来获取!!!