protected void preComputeTextureTransform(DrawContext dc, SectorGeometry sg, Transform t) { Sector st = sg.getSector(); this.sgWidth = st.getDeltaLonRadians(); this.sgHeight = st.getDeltaLatRadians(); this.sgMinWE = st.getMinLongitude().radians; this.sgMinSN = st.getMinLatitude().radians; }