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I work for Wolfram and oversee Wolfram Community. I am a physicist, Mathematica enthusiast and faculty member at Wolfram Science (NKS) Summer School. I am an author at the Wolfram Demonstration Project and sometimes write for Wolfram Blog. I enjoy creating applications and art with Mathematica, some can be found on my website. I also collecting Mathematica graphics at a Pinterest board and organized a video group Mathematica Render on Vimeo.


Comments & opinions expressed here are mine, and not those of my employer.


Jul
25
comment How to write output in TraditionalForm into external text files?
@MaThEmAtika Does it mean I answered your question? BTW what type of output your program produces? - can it be a graphics object?
Jul
25
answered How to write output in TraditionalForm into external text files?
Jul
25
accepted Simple countdown timer in Mathematica
Jul
25
comment Mouse motion heat map - live visualization and analysis
@belisarius good idea. i constantly thinking of putting some game under the heatmap. but what could it be - that it won't slow down the performance.
Jul
25
comment Build a refined grid based on intersecting line
This maybe of use: bit.ly/OYLK1d
Jul
25
revised Excel Headers --> Mathematica
edited tags
Jul
25
comment Excel Headers --> Mathematica
@belisarius Thanks, I updated the answer.
Jul
25
revised Excel Headers --> Mathematica
added 1215 characters in body; added 36 characters in body
Jul
25
answered Excel Headers --> Mathematica
Jul
25
comment Tool to locate bloat in a notebook?
Top Menu: Cell >> Delete All output - saves a lot of space for notebooks with a lot of graphics.
Jul
25
comment Is it possible to generate a Hasse Diagram for a defined relation?
@JOwen Do you know why standard representation then is not directed? alturl.com/jribp
Jul
24
comment Artistic image vectorization
@YvesKlett The code should work with any image. Are you interested in the used image in particular? - I do not remember where I got that image.
Jul
24
comment Artistic image vectorization
@YvesKlett thank you! I am not sure I understand what do you mean by "image were imported via some URL" and what it got to do with Copy/Paste - could you please explain? All images on MSE have their URLs and are downloadable.
Jul
24
comment Create magnified call-out loupe effect on image
can your loupe be rectangular?
Jul
24
comment Artistic image vectorization
@faleichik Thanks! Yes it is possible "to take cell colors from the original color image". ListDensityPlot produces graphics based on Polygon all of which can be extracted and put together with RGBColor function that was mapped on original ImageData. It's a bit tedious though ;) And good tip on Join - I use it myself when speed counts. See this on details how to extract polygons: alturl.com/hcbdv
Jul
24
revised Artistic image vectorization
added an effect
Jul
24
comment Creating diagrams for category theory
Use VertexCoordinates or GraphLayout to "move the vertices locations". Use Placed, Rotate and even `EdgeShapeFunction' to play with edge labels placement.
Jul
24
comment Mouse motion heat map - live visualization and analysis
@belisarius my code hangs your FE? Could you let me know your system specs? It works for me.
Jul
24
comment Mouse motion heat map - live visualization and analysis
+1 Nice idea. Though it does, as noticed by others, hangs Front End - not sure why. Thanks anyway - go go creative thinking ;-)
Jul
24
comment Creating diagrams for category theory
+1 I am glad you used Graph and not GraphPlot. BTW I do not think it is necessary, but if OP doesn't like edge crossing over label Placed is the way to deal with this: reference.wolfram.com/mathematica/ref/EdgeLabels.html#72169267