Rubber Sheet Gis

The source layer drawn with solid lines is adjusted to the more accurate target layer.

Rubber sheet gis.

Geo referencing through rubber sheeting most suited for bhutanese students cnr. Rubbersheeting is used to make small geometric adjustments in your data usually to align features with more accurate information. This exercise will show you how to rubber sheet data by using displacement links multiple displacement links and identity links. According to your specifications.

The input point features represent identity links that hold source positions unmoved during the rubbersheeting process. This process moves the features of a layer using a piecewise transformation that preserves straight lines. The input link features represent the regular links. Use displacement links to define common locations in the source and target layers.

Our sheet rubber rolls are usually stocked in gauges between 1 32 to 2 in thickness depending on the specific type of elastomer. Rubber sheeting is a useful technique in historical gis where it is used to digitize and add old maps as feature layers in a modern gis. Sheet rubber rubber sheet rubber rolls rubber strips neoprene silicone viton epdm spec grade rubber manufacturer rubber products neoprene rubber. New tutorial video on gis practical.

Rubbersheeting makes spatial adjustments to align the input feature locations with more accurate target feature locations based on the specified rubbersheet links. Rubber sheeting registration by relative position is the procedure using slave and master mathematical transformations to adjust coverage features in a nonuniform manner. Links representing from and to locations are used to define. As the name implies rubber sheeting involves stretching and warping an image to georegister control points shown in the image to known control point locations on the ground.

Rubber sheeting may improve the value of such sources and make them easier to compare to modern maps. Before aerial photography arrived most maps were highly inaccurate by modern standards. Features may move depending on their proximity to and length of displacement links. Conveyor belts lacing.

In rubbersheeting adjustments you are usually trying to align one layer with another that is often in close proximity. Since our sheet rubber is sold in roll form they can be acquired in custom lengths of up to 25 or 50ft. Sheeting rubber products are most often sold in the form of rolls. Rubbersheeting is used to make small geometric adjustments in your data usually to align features with more accurate information.