Introduction to beginning to build the base map

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NARRATOR: The beginning to build the base map course lead you

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through a progression of tasks, starting with adding

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control points and imagery.

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It is essential to establish a survey control system,

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to be used throughout the design and construction phases

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of our project.

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Here we add control points to the base drawing,

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and then we use the map data connection tools

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to add the Ortho rectified raster

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image, from the drone survey.

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When we zoom in to review a control point location,

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we see that the point and image data matches.

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Next we will add PDF data.

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We will correlate the PDF using basis of bearing information

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to match the project.

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And finally, we will add GIS and DWG data,

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to provide even more physical information

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about our development area.

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We will use tabular data from our GIS features,

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to link to extra data.

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And we will add the important benchmark location and survey

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control type drawing, so that we can accurately

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add the legal survey platts.

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Now we can review the extra G.IS data that was provided earlier.

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This is in the form of photos and benchmark descriptions.

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When you complete these three objectives,

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your base map will be ready for the existing surface data

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to be added, and you will do those tasks

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in the next two courses.