[Scilab-users] Native managed Hypermatrices affect the Matplot functionality?

[Tan Chin Luh]

Thanks again,

Bug reported @ http://bugzilla.scilab.org/15059

rgds,
Chin Luh

On 12/3/2017 7:10 PM, Samuel Gougeon wrote:
> Le 12/03/2017 à 07:21, Tan Chin Luh a écrit :
>> Thanks Samuel,
>>
>> Before I make the report, just to clarify one more point.
>>
>> The data extracted suppose to show white color plot, however:
>>
>>
>> a = uint8(zeros(480,640,3));
>> a(:,:,1) = uint8(255);
>> a(:,:,2) = uint8(180);
>> a(:,:,3) = uint8(60);
>> Matplot(a);
>> *// View the image first before running following lines, this will 
>> show orange color*
>> e = gce();
>> e.data = a;
>> *// **this will show 3 columns of image, left -> white, middle -> 
>> gray, right -> black*
>> b = e.data;
>> and(b==255)
>> *// this will show white image*
>> Matplot(b);
>
> Yes, you are right: there are 2 sides of this bug
>
>   * the 3 layers are partially taken into account to render the area,
>     but are likely badly sampled. It looks quite similar to the bug
>     http://bugzilla.scilab.org/14886
>   * only the first layer is assigned to .data, and they are no longer
>     data corresponding to the rendering.
>
> All 6.0.0 bugs about Matplot and Matplot1 somewhat hinder image 
> rendering so image processing applications, that are the most 
> downloaded. IMO, because they have regressed and they are very used, 
> curing them should be of high priority.
>
> Regards
> Samuel
>
>
>
> _______________________________________________
> users mailing list
> users at lists.scilab.org
> http://lists.scilab.org/mailman/listinfo/users


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.scilab.org/pipermail/users/attachments/20170313/1397162b/attachment.htm>