Category Archives: Land Surveying

Surveying or land surveying is the technique, profession, and science of accurately determining the terrestrial or three-dimensional position of points and the distances and angles between them ( Wikipedia )

Lisp Primer Tutorial

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Have you heard of Lisp, the programming language? Do you remember how incredible Hewlett Packard calculators were back in the 1970’s (we did as Land Surveyors … they were the bee’s knees, especially to program for those Land Surveying calculations). … Continue reading →

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PHP/Javascript/HTML Google Chart Scatter Chart Tutorial

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Here is a tutorial that introduces you to Google Graphs API, or Google Chart Tools, and its Scatter Chart functionality, which is a way to represent discrete points. In Land Surveying, for instance, such a tool could be used to … Continue reading →

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PHP/Javascript/HTML Geographical Placename Integration Tutorial

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Here is a tutorial that presents various functionality via placename lookups of Latitude and Longitude. The inhouse functionality was applied in a centralized way when we did PHP/Javascript/HTML Geographicals By Placename Tutorial but for this tutorial, as promised, we add … Continue reading →

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PHP/Javascript/HTML Geographicals By Placename Tutorial

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Here is a tutorial that presents various functionality via placename lookups of Latitude and Longitude. The inhouse functionality called on include Sun Angles, Moon Angles and Great Circle Distances. Am hoping it can give some pointers to ideas to do … Continue reading →

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PHP/Javascript/HTML Great Circle Distance Tutorial

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Here is a tutorial that calculates Great Circle Distances on Earth via the entry of Latitude and Longitude. The calculations are not true geodesic calculations and so, we will show the result to the nearest metre. We assume the radius … Continue reading →

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Google Maps Primer Tutorial

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Google Maps is an incredible application with functionality to supplement Google Earth Primer Tutorial as shown below. Google Maps has a great many uses for all the ways in life you use maps, or the “where” questions you have. Let’s … Continue reading →

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HTML Image Map Primer Tutorial

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Realized today when answering this Yahoo Answers Question that the HTML map tag had never been addressed as a very useful tool at this blog. Taken to its n’th degree of usage you could do away with (products like) Dreamweaver … Continue reading →

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CAD Primer Tutorial

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CAD or Computer Aided Design has been an area of continual improvements in sophistication with software as computer power, generally, grows. It was once a strictly two dimensional idea and it took off, particularly in the fields of surveying, photogrammetry … Continue reading →

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