better buffer handling #150
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clewis7
reviewed
Mar 10, 2023
| # initialize a buffer with the same shape as the input data | ||
| # we do not directly use the input data array as the buffer | ||
| # because if the input array is a read-only type, such as | ||
| # numpy memmaps, we would not be able to change the image data |
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so, the point of having the option for using an isolated buffer is to be able to change data in the event that the type of the data is read only? will this occur when using improv?
clewis7
reviewed
Mar 10, 2023
| vmin, vmax = quick_min_max(data) | ||
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| texture_view = pygfx.Texture(self.data(), dim=2).get_view(filter=filter) | ||
| texture_view = pygfx.Texture(buffer_init, dim=2).get_view(filter=filter) |
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before, Texture and Geometry were all under the hood correct?
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partially addresses #147
ImageGraphicandHeatmapGraphicallow setting the input array buffer directly as the texture data buffer ifisolated_buffer=False. The default isTrue, so by default the texture data buffer is a new array that is initialized using the shape and type of the input array, and then the isolated texture data buffer is set using the input data array values.allows this type of behavior:
