kml_?_spline2d_min_size
返回插值对象spline所需要的最小的点的数量。例如,双三次插值最小需要4个点。
接口定义
size_t kml_float_spline2d_min_size(const kml_float_spline2d *spline)
size_t kml_double_spline2d_min_size(const kml_double_spline2d *spline);
参数
参数名 |
类型 |
描述 |
输入/输出 |
|---|---|---|---|
spline |
kml_float_spline2d*, kml_double_spline2d* |
插值对象指针。 |
输入 |
依赖
#include "kipl.h"
示例
const size_t xSize = 4;
const size_t ySize = 4;
float xArr[4] = {1,1.33,1.67,2};
float yArr[4] = {1,1.33,1.67,2};
float* zArr = (float*)malloc(xSize * ySize * sizeof(float));
float x = 1;
float y = 1;
float z = 0;
kml_float_spline2d *spline = kml_float_spline2d_alloc(kml_float_interp2d_bicubic, xSize, ySize);
size_t min_size = kml_float_spline2d_min_size(spline);
父主题: spline2d