Tag Archives: imagemap

GraphViz via PHP on AlmaLinux Dot Venn Diagram Editing Functionality Tutorial

Yes, further to yesterday’s GraphViz via PHP on AlmaLinux Dot Venn Diagram Editing Design Tutorial we have some SVG data based Venn Diagram editing functionality to offer the user today. In amongst “editing” is new functionality (via a “+” prefix to the Javascript prompt window answer a user gives) to be able to create new circles or text in SVG and Dot formats. As alluded to yesterday, these Javascript onmousedown and ontouchdown event instigated functions look like … <?php echo … Continue reading →

Posted in eLearning, Event-Driven Programming, Tutorials | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

GraphViz via PHP on AlmaLinux Dot Venn Diagram Editing Design Tutorial

Oh well! We need another (ie. third) day on the … circle and text Venn Diagram positioning … circle scaling … text wording … “Venn Diagram Editing” journey we started with yesterday’s GraphViz via PHP on AlmaLinux Dot Venn Diagram Positioning Tutorial. But, today, we think we can settle on a “two discrete (so far just) SVG (but later also HTML) click” paradigm … <?php echo ” gs[sd].addEventListener(‘mousedown’, function(event){ parent.clickreg(event); }); gs[sd].addEventListener(‘touchdown’, function(event){ parent.clickreg(event); }); “; ?> … applied to … Continue reading →

Posted in eLearning, Event-Driven Programming, Tutorials | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

GraphViz via PHP on AlmaLinux Dot Venn Diagram Positioning Tutorial

We’ve had to break up yesterday’s GraphViz via PHP on AlmaLinux Dot Venn Diagram Tutorial‘s proposed (moving forward) … You’ll see playing with Venn Diagrams that we’ll need some time to think on whether we can improve positioning of the circles, a matter critical to Venn Diagram “drawing”. … “forewarning work” into a “more than one day” scenario, it looks like, from today’s … get the user, via onmousemove event Javascript logic (“szero” referring to the SVG topmost element object … Continue reading →

Posted in eLearning, Event-Driven Programming, Tutorials | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

GraphViz via PHP on AlmaLinux Dot Venn Diagram Tutorial

Further to yesterday’s GraphViz via PHP on AlmaLinux Dot Colour Wheel Outputs Tutorial, today we turn to the very generous Open Source community out there for a … Dot GraphViz venn_diagram_basis.dot simple (but clever) starting point for some exploratory Venn Diagram work, thanks, to https://forum.graphviz.org/t/subset-diagrams/1118/4 … PHP hosted and using exec call of dot“neato -n” this time on the command line to create the GraphViz graph … for our “how we got there” venn_diagram_basis.php PHP hosting Dot first go Venn … Continue reading →

Posted in eLearning, Event-Driven Programming, Tutorials | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

GraphViz via PHP on AlmaLinux Dot Colour Wheel Outputs Tutorial

Yesterday’s GraphViz via PHP on AlmaLinux Dot Colour Wheel Tutorial catered for the output formats … SVG … (via the dot switch -Tsvg) and … PDF … (via the dot switch -Tpdf) but, today, we open it up for … PNG … (via the dot switch -Tpng) and … JPEG … (via the dot switch -Tjpg) and … HTML … made up of … body element … consisting of … img element as the imagemap part … (via the dot … Continue reading →

Posted in eLearning, Event-Driven Programming, Tutorials | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment