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6.2.2.3 General Stereographic Map

In terms of usage this projection is identical to the Lambert azimuthal equal-area projection. Thus, one can make both rectangular and hemispheric maps. Our example shows Australia using a projection pole at 130E/30°S. The command used was

    gmtset PLOT_DEGREE_FORMAT ddd:mm:ss OBLIQUE_ANNOTATION 0
    pscoast -R100/-40/160/-10r -JS130/-30/4i -B30g10/15g15 -Dl -A500 -Gblack -P \
        > GMT_stereographic_general.ps

Figure 6.9: General stereographic conformal projection with rectangular borders.

By choosing 0°/0°as the pole, we obtain the conformal stereonet presented next to its equal-area cousin in the Section 6.2.1 on the Lambert azimuthal equal-area projection (Figure 6.6).

Next: 6.2.3 Orthographic Projection (-Jg Up: 6.2.2 Stereographic Equal-Angle Projection Previous: 6.2.2.2 Rectangular Stereographic Map Contents Index