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coord 包体
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create or replace package body COORD is
FUNCTION LAT_OFFSET_0(x NUMBER ,y NUMBER) RETURN NUMBER IS
BEGIN
RETURN -100.0 + 2.0*x + 3.0*y + 0.2*y*y + 0.1*x*y + 0.2* sqrt(abs(x));
END;
FUNCTION LAT_OFFSET_1(x NUMBER ,y NUMBER) RETURN NUMBER IS
BEGIN
return (20.0 * sin(6.0 * x * ACOS(-1)) + 20.0 * sin(2.0 * x * ACOS(-1))) * 2.0 / 3.0;
END;
FUNCTION LAT_OFFSET_2(x NUMBER ,y NUMBER) RETURN NUMBER IS
BEGIN
return (20.0 * sin(y * ACOS(-1)) + 40.0 * sin(y / 3.0 * ACOS(-1))) * 2.0 / 3.0;
END;
FUNCTION LAT_OFFSET_3(x NUMBER ,y NUMBER) RETURN NUMBER IS
BEGIN
return (160.0 * sin(y / 12.0 * ACOS(-1)) + 320 * sin(y * ACOS(-1) / 30.0)) * 2.0 / 3.0;
END;
FUNCTION LON_OFFSET_0(x NUMBER ,y NUMBER) RETURN NUMBER IS
BEGIN
return 300.0 + x + 2.0 * y + 0.1 * x * x + 0.1 * x * y + 0.1 * sqrt(abs(x));
END;
FUNCTION LON_OFFSET_1(x NUMBER ,y NUMBER) RETURN NUMBER IS
BEGIN
return (20.0 * sin(6.0 * x * ACOS(-1)) + 20.0 * sin(2.0 * x * ACOS(-1))) * 2.0 / 3.0;
END;
FUNCTION LON_OFFSET_2(x NUMBER ,y NUMBER) RETURN NUMBER IS
BEGIN
return (20.0 * sin(x * ACOS(-1)) + 40.0 * sin(x / 3.0 * ACOS(-1))) * 2.0 / 3.0;
END;
FUNCTION LON_OFFSET_3(x NUMBER ,y NUMBER) RETURN NUMBER IS
BEGIN
return (150.0 * sin(x / 12.0 * ACOS(-1)) + 300.0 * sin(x / 30.0 * ACOS(-1))) * 2.0 / 3.0;
END;
FUNCTION transformLat(x number,y number) return NUMBER is
ret NUMBER;
begin
ret := LAT_OFFSET_0(x,y);
ret := ret + LAT_OFFSET_1(x,y);
ret := ret + LAT_OFFSET_2(x,y);
ret := ret + LAT_OFFSET_3(x,y);
return ret;
end;
FUNCTION transformLon(x number,y number) return NUMBER is
ret NUMBER;
begin
ret := LON_OFFSET_0(x,y);
ret := ret + LON_OFFSET_1(x,y);
ret := ret + LON_OFFSET_2(x,y);
ret := ret + LON_OFFSET_3(x,y);
return ret;
end;
FUNCTION OUTOFCHINA(LAT NUMBER, LON NUMBER) RETURN BOOLEAN IS
BEGIN
IF (LON < RANGE_LON_MIN OR LON > RANGE_LON_MAX) THEN
RETURN TRUE;
END IF;
IF (LAT < RANGE_LAT_MIN OR LAT > RANGE_LAT_MAX) THEN
RETURN TRUE;
END IF;
RETURN FALSE;
END;
FUNCTION gcj02Encrypt(ggLat NUMBER, ggLon NUMBER) RETURN MDSYS.SDO_ORDINATE_ARRAY IS
ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
LAT NUMBER;
LON NUMBER;
mgLat NUMBER;
mgLon NUMBER;
dLat NUMBER;
dLon NUMBER;
radLat NUMBER;
magic NUMBER;
sqrtMagic NUMBER;
BEGIN
IF (OUTOFCHINA(ggLat,ggLon) = TRUE) THEN
LAT := ggLat;
LON := ggLon;
ord.extend;
ord(ord.last) := trunc(ggLon,7);
ord.extend;
ord(ord.last) := trunc(ggLat,7);
RETURN ord;
END IF;
dLat := transformLat(ggLon - 105.0, ggLat - 35.0);
dLon := transformLon(ggLon - 105.0, ggLat - 35.0);
radLat := (ggLat/180.0) * ACOS(-1);
magic := sin(radlat);
magic := 1 - jzEE*magic*magic;
sqrtMagic := sqrt(magic);
dLat := (dLat * 180.0) / ((jzA * (1 - jzEE)) / (magic * sqrtMagic) * ACOS(-1));
dLon := (dLon * 180.0) / (jzA / sqrtMagic * cos(radLat) * ACOS(-1));
mgLat := ggLat + dLat;
mgLon := ggLon + dLon;
ord.extend;
ord(ord.last) := trunc(mgLon,15);
ord.extend;
ord(ord.last) := trunc(mgLat,15);
RETURN ord;
END;
FUNCTION gcj02Decrypt(gjLat NUMBER,gjLon NUMBER) RETURN MDSYS.SDO_ORDINATE_ARRAY IS
ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
ord_new MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
dLon number;
dLat number;
begin
ord := gcj02Encrypt(gjLat,gjLon);
dLon := ord(1) - gjLon;
dLat := ord(2) - gjLat;
ord_new.extend;
ord_new(ord_new.last) := trunc(gjLon - dLon,15);
ord_new.extend;
ord_new(ord_new.last) := trunc(gjLat - dLat,15);
return ord_new;
end;
FUNCTION bd09Decrypt(bdLat NUMBER, bdLon NUMBER) RETURN MDSYS.SDO_ORDINATE_ARRAY IS
ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
x number;
y number;
z number;
theta number;
begin
x:= bdLon - 0.0065;
y:= bdLat - 0.006;
z:= sqrt(x*x + y*y) - 0.00002*sin(y*ACOS(-1));
theta := atan2(y, x) - 0.000003 * cos(x * ACOS(-1));
ord.extend;
ord(ord.last) := trunc(z*cos(theta),15);
ord.extend;
ord(ord.last) := trunc(z*sin(theta),15);
return ord;
end;
FUNCTION bd09Encrypt(ggLat NUMBER, ggLon NUMBER) RETURN MDSYS.SDO_ORDINATE_ARRAY IS
ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
x number;
y number;
z number;
theta number;
begin
x := ggLon;
y := ggLat;
z := sqrt(x*x + y*y) + 0.00002*sin(y*ACOS(-1));
theta := atan2(y,x) + 0.000003*cos(x*ACOS(-1));
ord.extend;
ord(ord.last) := trunc(z*cos(theta) + 0.0065,15);
ord.extend;
ord(ord.last) := trunc(z*sin(theta) + 0.006,15);
return ord;
end;
FUNCTION wgs2gd(geom SDO_GEOMETRY) RETURN SDO_GEOMETRY IS
gtype int := geom.sdo_gtype; --点线面判断
new_ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
old_ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
point_ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
ord_length int;
i int := 1;
BEGIN
if (gtype = 2001) then --点
new_ord := gcj02Encrypt(geom.sdo_point.y,geom.sdo_point.x);
RETURN SDO_GEOMETRY(2001,4326,SDO_POINT_TYPE(trunc(new_ord(1),7),trunc(new_ord(2),7),NULL),NULL,NULL);
end if;
if (gtype = 2002) then --线
old_ord := geom.sdo_ordinates;
ord_length := old_ord.COUNT;
while (i <= ord_length - 1)
loop
point_ord := gcj02Encrypt(old_ord(i+1),old_ord(i));
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(1),7);
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(2),7);
i := i+2;
end loop;
return SDO_GEOMETRY(2002, 4326,NULL,SDO_ELEM_INFO_ARRAY(1,2,1),new_ord);
end if;
if (gtype = 2003) then --面
old_ord := geom.sdo_ordinates;
ord_length := old_ord.COUNT;
while (i <= ord_length - 1)
loop
point_ord := gcj02Encrypt(old_ord(i+1),old_ord(i));
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(1),7);
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(2),7);
i := i+2;
end loop;
return SDO_GEOMETRY(2003,4326,NULL,SDO_ELEM_INFO_ARRAY(1,1003,1),new_ord);
end if;
RETURN NULL;
END;
FUNCTION gd2wgs(geom SDO_GEOMETRY) RETURN SDO_GEOMETRY is
gtype int := geom.sdo_gtype; --点线面判断
new_ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
old_ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
point_ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
ord_length int;
i int := 1;
BEGIN
if (gtype = 2001) then --点
new_ord := gcj02Decrypt(geom.sdo_point.y,geom.sdo_point.x);
RETURN SDO_GEOMETRY(2001,4326,SDO_POINT_TYPE(trunc(new_ord(1),7),trunc(new_ord(2),7),NULL),NULL,NULL);
end if;
if (gtype = 2002) then --线
old_ord := geom.sdo_ordinates;
ord_length := old_ord.COUNT;
while (i <= ord_length - 1)
loop
point_ord := gcj02Decrypt(old_ord(i+1),old_ord(i));
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(1),7);
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(2),7);
i := i+2;
end loop;
return SDO_GEOMETRY(2002, 4326,NULL,SDO_ELEM_INFO_ARRAY(1,2,1),new_ord);
end if;
if (gtype = 2003) then --面
old_ord := geom.sdo_ordinates;
ord_length := old_ord.COUNT;
while (i <= ord_length - 1)
loop
point_ord := gcj02Decrypt(old_ord(i+1),old_ord(i));
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(1),7);
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(2),7);
i := i+2;
end loop;
return SDO_GEOMETRY(2003,4326,NULL,SDO_ELEM_INFO_ARRAY(1,1003,1),new_ord);
end if;
RETURN NULL;
END;
FUNCTION wgs2bd(geom SDO_GEOMETRY) RETURN SDO_GEOMETRY IS
gtype int := geom.sdo_gtype; --点线面判断
new_ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
old_ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
point_ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
ord_length int;
i int := 1;
BEGIN
if (gtype = 2001) then --点
new_ord := gcj02Encrypt(geom.sdo_point.y,geom.sdo_point.x); --百度是在gcj的基础上加密,因此第一次处理gcj
new_ord := bd09Encrypt(new_ord(2),new_ord(1)); --第二次处理
RETURN SDO_GEOMETRY(2001,4326,SDO_POINT_TYPE(trunc(new_ord(1),7),trunc(new_ord(2),7),NULL),NULL,NULL);
end if;
if (gtype = 2002) then --线
old_ord := geom.sdo_ordinates;
ord_length := old_ord.COUNT;
while (i <= ord_length - 1)
loop
point_ord := gcj02Encrypt(old_ord(i+1),old_ord(i));
point_ord := bd09Encrypt(point_ord(2),point_ord(1));
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(1),7);
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(2),7);
i := i+2;
end loop;
return SDO_GEOMETRY(2002, 4326,NULL,SDO_ELEM_INFO_ARRAY(1,2,1),new_ord);
end if;
if (gtype = 2003) then --面
old_ord := geom.sdo_ordinates;
ord_length := old_ord.COUNT;
while (i <= ord_length - 1)
loop
point_ord := gcj02Encrypt(old_ord(i+1),old_ord(i));
point_ord := bd09Encrypt(point_ord(2),point_ord(1));
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(1),7);
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(2),7);
i := i+2;
end loop;
return SDO_GEOMETRY(2003,4326,NULL,SDO_ELEM_INFO_ARRAY(1,1003,1),new_ord);
end if;
RETURN NULL;
END;
FUNCTION gd2bd(geom SDO_GEOMETRY) RETURN SDO_GEOMETRY IS
gtype int := geom.sdo_gtype; --点线面判断
new_ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
old_ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
point_ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
ord_length int;
i int := 1;
BEGIN
if (gtype = 2001) then --点
new_ord := bd09Encrypt(geom.sdo_point.y,geom.sdo_point.x);
RETURN SDO_GEOMETRY(2001,4326,SDO_POINT_TYPE(trunc(new_ord(1),7),trunc(new_ord(2),7),NULL),NULL,NULL);
end if;
if (gtype = 2002) then --线
old_ord := geom.sdo_ordinates;
ord_length := old_ord.COUNT;
while (i <= ord_length - 1)
loop
point_ord := bd09Encrypt(old_ord(i+1),old_ord(i));
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(1),7);
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(2),7);
i := i+2;
end loop;
return SDO_GEOMETRY(2002, 4326,NULL,SDO_ELEM_INFO_ARRAY(1,2,1),new_ord);
end if;
if (gtype = 2003) then --面
old_ord := geom.sdo_ordinates;
ord_length := old_ord.COUNT;
while (i <= ord_length - 1)
loop
point_ord := bd09Encrypt(old_ord(i+1),old_ord(i));
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(1),7);
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(2),7);
i := i+2;
end loop;
return SDO_GEOMETRY(2003,4326,NULL,SDO_ELEM_INFO_ARRAY(1,1003,1),new_ord);
end if;
RETURN NULL;
END;
FUNCTION bd2gd(geom SDO_GEOMETRY) RETURN SDO_GEOMETRY IS
gtype int := geom.sdo_gtype; --点线面判断
new_ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
old_ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
point_ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
ord_length int;
i int := 1;
BEGIN
if (gtype = 2001) then --点
new_ord := bd09Decrypt(geom.sdo_point.y,geom.sdo_point.x);
RETURN SDO_GEOMETRY(2001,4326,SDO_POINT_TYPE(trunc(new_ord(1),7),trunc(new_ord(2),7),NULL),NULL,NULL);
end if;
if (gtype = 2002) then --线
old_ord := geom.sdo_ordinates;
ord_length := old_ord.COUNT;
while (i <= ord_length - 1)
loop
point_ord := bd09Decrypt(old_ord(i+1),old_ord(i));
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(1),7);
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(2),7);
i := i+2;
end loop;
return SDO_GEOMETRY(2002, 4326,NULL,SDO_ELEM_INFO_ARRAY(1,2,1),new_ord);
end if;
if (gtype = 2003) then --面
old_ord := geom.sdo_ordinates;
ord_length := old_ord.COUNT;
while (i <= ord_length - 1)
loop
point_ord := bd09Decrypt(old_ord(i+1),old_ord(i));
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(1),7);
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(2),7);
i := i+2;
end loop;
return SDO_GEOMETRY(2003,4326,NULL,SDO_ELEM_INFO_ARRAY(1,1003,1),new_ord);
end if;
RETURN NULL;
END;
FUNCTION bd2wgs(geom SDO_GEOMETRY) RETURN SDO_GEOMETRY IS
tmp_geom sdo_geometry;
gtype int := geom.sdo_gtype; --点线面判断
new_ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
old_ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
point_ord MDSYS.SDO_ORDINATE_ARRAY := MDSYS.SDO_ORDINATE_ARRAY();
ord_length int;
i int := 1;
BEGIN
if (gtype = 2001) then --点
tmp_geom := bd2gd(geom);
new_ord := gcj02Decrypt(tmp_geom.sdo_point.y, tmp_geom.sdo_point.x); --两次处理
RETURN SDO_GEOMETRY(2001,4326,SDO_POINT_TYPE(trunc(new_ord(1),7),trunc(new_ord(2),7),NULL),NULL,NULL);
end if;
if (gtype = 2002) then --线
old_ord := geom.sdo_ordinates;
ord_length := old_ord.COUNT;
while (i <= ord_length - 1)
loop
point_ord := bd2gd(geom).SDO_ORDINATES; --第一次
point_ord := gcj02Decrypt(point_ord(2),point_ord(1)); --第二次
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(1),7);
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(2),7);
i := i+2;
end loop;
return SDO_GEOMETRY(2002, 4326,NULL,SDO_ELEM_INFO_ARRAY(1,2,1),new_ord);
end if;
if (gtype = 2003) then --面
old_ord := geom.sdo_ordinates;
ord_length := old_ord.COUNT;
while (i <= ord_length - 1)
loop
point_ord := bd2gd(geom).SDO_ORDINATES;
point_ord := gcj02Decrypt(point_ord(2),point_ord(1));
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(1),7);
new_ord.extend;
new_ord(new_ord.last) := trunc(point_ord(2),7);
i := i+2;
end loop;
return SDO_GEOMETRY(2003,4326,NULL,SDO_ELEM_INFO_ARRAY(1,1003,1),new_ord);
end if;
RETURN NULL;
END;
end COORD;