The relationship of time consumption and the interceptive value n.

<p>The relationship of time consumption and the interceptive value n.</p

The degrees of approximation (OD) of different shapes at designated interceptive values.

<p>The degrees of approximation (OD) of different shapes at designated interceptive values.</p

The polygon approximation by Fourier descriptors for different shape types at different interceptive values.

<p>The polygon approximation by Fourier descriptors for different shape types at different interceptive values.</p

The relationship of time consumption and the number of point N.

<p>The relationship of time consumption and the number of point N.</p

The time cost of morphing model by Fourier transformation.

<p>The time cost of morphing model by Fourier transformation.</p

The morphing effects of lake feature with g interval 0.01.

<p>The morphing effects of lake feature with g interval 0.01.</p

The morphing effects by linear interpolation method.

<p>The morphing effects by linear interpolation method.</p

The morphing effects of different features with g interval 0.1.

<p>The morphing effects of different features with g interval 0.1.</p

WMS layer query experiment for retrieving layers with abundant map information.

<p>WMS layer query experiment for retrieving layers with abundant map information.</p

WMS thematic layer query experiment results.

<p>WMS thematic layer query experiment results.</p