如何将这种bmp文件的灰度图绘制为地形,24位深度,分辨率为282*190,
网上大多数给的是256*256的或者1024*1024,0.0.0.0.0萌新求助
```void readBitMapData(AUX_RGBImageRec *rawData, int nsize, unsigned char *pHeightMap)
{
for (int i = 0; i < nsize; i++)
{
int gray;
int rgb[3];
rgb[0] = (int)(*(rawData->data + i * 3));
rgb[1] = (int)(*(rawData->data + i * 3 + 1));
rgb[2] = (int)(*(rawData->data + i * 3 + 2));
gray = (int)(rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11);
pHeightMap[i] = *(rawData->data+i*3);
}
//outputHex(pHeightMap);
}