Tag Archives: GIS

Viewport and CSS Calc Intersection Resize Tutorial

Yesterday’s Viewport and CSS Calc Intersection Algorithm Tutorial showed no issues with … mobile “pinch” and “spread” gestures … no issues surprisingly … but there were with … non-mobile “onresize” (of window) created issue of a misplaced yellow intersection HTML … Continue reading

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Viewport and CSS Calc Intersection Algorithm Tutorial

Do you eat “separatist style”? I used to, leaving the good stuff until last, until one day a grandparent kindly taught me the weakness with this system, quietly pinching the best stuff during the prelude period. The recent Viewport and … Continue reading

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MySql Polygon Spatial Relations via Image Map Tutorial

It’s “tomorrow” as per … Continuing the theme of PHP using MySql databases and dealing with Spatial functionality of MySql Stored Procedures Geometry Tutorial, today we establish some PHP to add into a MySql database table as POLYGON data type … Continue reading

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GIS Primer Tutorial

To study file extensions is to study Information Technology. A curiosity is all it takes, in this day and age of looking things up in search engines, to have something as innocuous as a file extension you’ve never heard of, … Continue reading

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