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yxdragon committed Aug 12, 2019
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Expand Up @@ -67,13 +67,13 @@ degapimg = gpt.degap(img.copy(), img==-9999, 10)

# plot two images ...
```
![](./geonumpy/doc/imgs/16.png)
![](http://idoc.imagepy.org/gis/16.png)



### 影像拼接

![](./geonumpy/doc/imgs/06.png)
![](http://idoc.imagepy.org/gis/06.png)

```python
# 读取山东省 shapefile
Expand All @@ -94,7 +94,7 @@ plt.imshow(paper)
plt.show()
```

![](./geonumpy/doc/imgs/04.png)
![](http://idoc.imagepy.org/gis/04.png)

这里我们使用一个 shapefile 转换到 web 墨卡托坐标系,并用矢量图形确定了图像空间信息,然后将图像块投影到目标图像上,从而实现拼接。

Expand Down Expand Up @@ -133,7 +133,7 @@ from PIL import Image
Image.formarray(paper).show()
```

![](./geonumpy/doc/imgs/08.png)
![](http://idoc.imagepy.org/gis/08.png)

geonumpy 提供了为地图定制的一套绘图函数,可以方便的绘制比例尺,指北针,图例等元素。

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