cgcs2000 批量转换中央子午线 代码
时间: 2023-07-02 16:23:53 浏览: 130
以下是批量将经纬度转换为CGCS2000,并指定中央子午线的Python代码示例,同样使用到了pyproj库:
```python
import pyproj
# 定义转换器
wgs84 = pyproj.Proj('EPSG:4326')
cgcs2000 = pyproj.Proj(proj='utm', zone=49, ellps='GRS80', units='m', datum='CGCS2000')
# 定义经纬度列表
lons = [116.397458, 120.153576, 113.264434]
lats = [39.909729, 30.287459, 23.129163]
# 转换经纬度
x, y, z = pyproj.transform(wgs84, cgcs2000, lons, lats, [0]*len(lons))
# 显示转换结果
print("CGCS2000坐标:")
for i in range(len(x)):
print("{:.6f}, {:.6f}".format(x[i], y[i]))
```
在代码中,定义了WGS84和CGCS2000的投影坐标系,并将CGCS2000设置为UTM投影坐标系,并指定中央子午线为49度,单位为米,椭球体为GRS80,数据为CGCS2000。然后,定义经纬度列表,这里使用了三个示例经纬度。接着,使用`pyproj.transform`函数将经纬度转换为CGCS2000坐标。最后,将转换结果打印输出。
相关问题
cgcs2000 批量转换中央子午线 java代码
以下是Java代码示例,使用了GeoTools库:
```java
import org.geotools.referencing.CRS;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
import org.opengis.referencing.operation.MathTransform;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
public class CoordinateTransform {
public static void main(String[] args) throws IOException {
// 定义WGS84和CGCS2000坐标系
CoordinateReferenceSystem wgs84 = CRS.decode("EPSG:4326");
CoordinateReferenceSystem cgcs2000 = CRS.decode("EPSG:4490");
// 定义转换器
MathTransform transform = CRS.findMathTransform(wgs84, cgcs2000);
// 定义经纬度列表
List<Double> lons = new ArrayList<>();
lons.add(116.397458);
lons.add(120.153576);
lons.add(113.264434);
List<Double> lats = new ArrayList<>();
lats.add(39.909729);
lats.add(30.287459);
lats.add(23.129163);
// 转换经纬度
List<Double> x = new ArrayList<>();
List<Double> y = new ArrayList<>();
List<Double> z = new ArrayList<>();
for (int i = 0; i < lons.size(); i++) {
double[] result = new double[3];
try {
transform.transform(new double[]{lons.get(i), lats.get(i), 0.0}, 0, result, 0, 1);
} catch (Exception ex) {
ex.printStackTrace();
}
x.add(result[0]);
y.add(result[1]);
z.add(result[2]);
}
// 显示转换结果
System.out.println("CGCS2000坐标:");
for (int i = 0; i < x.size(); i++) {
System.out.printf("%.6f, %.6f%n", x.get(i), y.get(i));
}
}
}
```
在代码中,首先定义WGS84和CGCS2000的投影坐标系。然后,使用`CRS.findMathTransform`方法获取WGS84和CGCS2000之间的转换器。接着,定义经纬度列表,这里使用了三个示例经纬度。然后,使用转换器将经纬度转换为CGCS2000坐标。最后,将转换结果打印输出。
wgs84转任意中央子午线cgcs2000 vba代码
以下是将WGS84坐标系转换为任意中央子午线CGCS2000坐标系的VBA代码:
```
Function WGS84ToCGCS2000(longitude As Double, latitude As Double, altitude As Double, centralMeridian As Double) As Variant
Dim a As Double, b As Double, f As Double, e As Double, N As Double, X As Double, Y As Double, Z As Double
Dim a0 As Double, a2 As Double, a4 As Double, a6 As Double, a8 As Double, M As Double, T As Double, C As Double, A As Double, B As Double, E As Double, W As Double, N0 As Double, K As Double
Dim delta_X As Double, delta_Y As Double, delta_Z As Double, dX As Double, dY As Double, dZ As Double
'WGS84椭球体参数
a = 6378137
f = 1 / 298.257223563
b = a * (1 - f)
e = Sqr(2 * f - f * f)
'CGCS2000椭球体参数
a0 = 6378137
a2 = -0.000000000000000000000000000003405
a4 = 0.000000000000000000000000001550
a6 = -0.000000000000000000000000000004870
a8 = 0.000000000000000000000000000000016
'计算经纬度对应的参数
N = a / Sqr(1 - e * e * Sin(latitude) * Sin(latitude))
X = (N + altitude) * Cos(latitude) * Cos(longitude)
Y = (N + altitude) * Cos(latitude) * Sin(longitude)
Z = (N * (1 - e * e) + altitude) * Sin(latitude)
'计算转换参数
M = a0 * (1 - e * e) * (a0 * (1 - e * e) / (b * b) - 1)
T = Tan(latitude)
C = e * Cos(latitude) * Cos(latitude) / (1 - e * e)
A = (longitude - centralMeridian) * Cos(latitude)
B = latitude
E = (a2 * Sin(2 * latitude) + a4 * Sin(4 * latitude) + a6 * Sin(6 * latitude) + a8 * Sin(8 * latitude)) / 10 ^ 6
W = M / (a0 * (1 - e * e)) / (1 - e * e * Sin(latitude) * Sin(latitude))
N0 = a0 / Sqr(1 - e * e * Sin(0) * Sin(0))
K = 1 + (A * A / 2 + (5 - T * T + 9 * C + 4 * C * C) * A * A * A * A / 24 + (61 - 58 * T * T + T * T * T * T) * A * A * A * A * A * A / 720) * (B * B) / 10 ^ 6
'计算坐标转换
delta_X = -W * X + K + E
delta_Y = -W * Y
delta_Z = -W * Z
dX = -delta_Y * Sin(centralMeridian) - delta_Z * Cos(centralMeridian)
dY = delta_Y * Cos(centralMeridian) - delta_Z * Sin(centralMeridian)
dZ = delta_X
'返回结果
WGS84ToCGCS2000 = Array(X + dX, Y + dY, Z + dZ)
End Function
```
这段代码会返回一个包含三个元素的数组,分别是转换后的X、Y、Z坐标。其中longitude、latitude、altitude分别为WGS84的经度、纬度和高度,单位为度和米;centralMeridian为目标坐标系的中央子午线经度,单位为度。需要注意的是,本代码仅适用于中国境内的坐标转换,如果需要进行其他地区的转换,需要根据实际情况进行修改。