Shpewrite error using Matlab example

EDIT: Resolved- duplicate function names, I had thought Matlab would use its own first...
When i try to use shapewrite, by following the example, i get the following error;
>> shapewrite(S, 'main_concord_roads.shp')
Error using shapewrite (line 83)
Unknown shape identification: main_concord_roads.shp
I've happily read a file in and want to ammend that before wiring it out, but its not happy? ANysuggestions?
Using R2017b.
Cheers, Tim

回答(1 个)

May be your code is partial, have you defined S before it is used? If yes, you have to share the complete code, so that people can try on it.
Try this way as example detail
shapeinfo('concord_roads');
S = shaperead('concord_roads','Selector',{@(roadclass) roadclass < 4, 'CLASS'});
shapewrite(S,'main_concord_roads.shp')
This is Mathworks documentation example.

2 个评论

Hi thanks for the response, alas i am following the example- as you ahve also provided, and the error remains;
>> shapeinfo('concord_roads');
S = shaperead('concord_roads','Selector',{@(roadclass) roadclass < 4, 'CLASS'});
shapewrite(S,'main_concord_roads.shp')
Error using shapewrite (line 83)
Unknown shape identification: main_concord_roads.shp
I would imagine since i can use shaperead that i have the right toolboxes. Maybe i need to install a new version of Matlab. Seems odd!

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Tim
2019-7-19

编辑:

Tim
2019-7-22

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