Hi Zvi, If I understand correctly, I think you don't need ECharts in your case because it's not a "chart". I think pure Canvas could do the job. You can find more detail with this Canvas tutorial: https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API/Tutorial/Pixel_manipulation_with_canvas .
Wenli On Fri, Oct 4, 2019 at 6:07 PM Zvi Baratz <z.bar...@gmail.com> wrote: > Hi Wenli, > > Thank you for your reply! > Actually, the MRI images are not images (not image files, such as jpg or > png), but 2D arrays. Just like [[1, 0, 0], [0, 1, 0], [0, 0, 1]] is a 3x3 > array that would draw a diagonal line if plotted, these are 2D arrays of > 256x256 and sometimes much bigger. I am looking for a way to plot those > images (2D arrays) using a desired colorscale (values don't have to be 0 > and 1). > > Hope this makes things clearer and thank you again for you help, > Zvi > > On Fri, Oct 4, 2019 at 7:02 AM Ovilia <oviliazh...@gmail.com> wrote: > >> Hi Zvi. >> >> What part of the graph do you wish to create using ECharts? >> I think the gray MRI images are all images, and maybe you wish to create >> the green lines using ECharts? >> If so, I may suggest using pure canvas to draw the two green lines, >> because it may be over-kill to use ECharts in this case. >> If not, please let me know what part do you wish to create using ECharts. >> >> Thanks! >> >> Wenli >> >> >> On Thu, Oct 3, 2019 at 10:59 PM Zvi Baratz <z.bar...@gmail.com> wrote: >> >>> Hi, >>> >>> I hope this isn't a silly question, but I've been digging through the >>> documentation and couldn't seem to be able to find a reasonable solution - >>> I have MRI scans in the form of 3D matrices, and I would like to create >>> an interactive "slice viewer" that can display 2D slices of the data in the >>> three planes. >>> >>> Here is an example I created in the past using Bokeh >>> <https://bokeh.pydata.org/en/latest/>: >>> [image: image.png] >>> Is there a suitable component type to achieve this with Echarts? >>> >>> Thank you very much for your help and all your wonderful work, >>> Zvi >>> >>
