Package org.mapfish.print.map

Examples of org.mapfish.print.map.DistanceUnit

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        final MapAttributeValues map = values.map;
        final PagingAttribute.PagingProcessorValues paging = values.paging;
        CoordinateReferenceSystem projection = map.getMapBounds().getProjection();
        final Rectangle paintArea = new Rectangle(map.getMapSize());
        final double dpi = map.getRequestorDPI();
        final DistanceUnit projectionUnit = DistanceUnit.fromProjection(projection);

        AreaOfInterest areaOfInterest = map.areaOfInterest;
        if (areaOfInterest == null) {
            areaOfInterest = new AreaOfInterest();
            areaOfInterest.display = AreaOfInterest.AoiDisplay.NONE;
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    @Override
    public Scale getScaleDenominator(final Rectangle paintArea, final double dpi) {
        final ReferencedEnvelope bboxAdjustedToScreen = toReferencedEnvelope(paintArea, dpi);

        DistanceUnit projUnit = DistanceUnit.fromProjection(getProjection());

        double geoWidthInInches;
        if (projUnit == DistanceUnit.DEGREES) {
            GeodeticCalculator calculator = new GeodeticCalculator(getProjection());
            final double centerY = bboxAdjustedToScreen.centre().y;
            calculator.setStartingGeographicPoint(bboxAdjustedToScreen.getMinX(), centerY);
            calculator.setDestinationGeographicPoint(bboxAdjustedToScreen.getMaxX(), centerY);
            double geoWidthInEllipsoidUnits = calculator.getOrthodromicDistance();
            DistanceUnit ellipsoidUnit = DistanceUnit.fromString(calculator.getEllipsoid().getAxisUnit().toString());

            geoWidthInInches = ellipsoidUnit.convertTo(geoWidthInEllipsoidUnits, DistanceUnit.IN);
        } else {
            // (scale * width ) / dpi = geowidith
            geoWidthInInches = projUnit.convertTo(bboxAdjustedToScreen.getWidth(), DistanceUnit.IN);
        }

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        double geoWidthInches = this.scale.getDenominator() * paintArea.width / dpi;
        double geoHeightInches = this.scale.getDenominator() * paintArea.height / dpi;

        ReferencedEnvelope bbox;

        final DistanceUnit projectionUnit = DistanceUnit.fromProjection(getProjection());
        if (projectionUnit == DistanceUnit.DEGREES) {
            bbox = computeGeodeticBBox(geoWidthInches, geoHeightInches);
        } else {
            final double centerX = this.center.getOrdinate(0);
            final double centerY = this.center.getOrdinate(1);
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            CoordinateReferenceSystem crs = getProjection();

            GeodeticCalculator calc = new GeodeticCalculator(crs);

            DistanceUnit ellipsoidUnit = DistanceUnit.fromString(calc.getEllipsoid().getAxisUnit().toString());
            double geoWidth = DistanceUnit.IN.convertTo(geoWidthInInches, ellipsoidUnit);
            double geoHeight = DistanceUnit.IN.convertTo(geoHeightInInches, ellipsoidUnit);

            DirectPosition2D directPosition2D = new DirectPosition2D(this.center.x, this.center.y);
            directPosition2D.setCoordinateReferenceSystem(crs);
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        MapBounds bounds = mapParams.getMapBounds();
        bounds = CreateMapProcessor.adjustBoundsToScaleAndMapSize(
                mapParams, mapParams.getRequestorDPI(), paintArea, bounds);
        paintArea.setBounds(0, 0, (int) (paintArea.width * dpiRatio), (int) (paintArea.height * dpiRatio));

        final DistanceUnit mapUnit = getUnit(bounds);
        // to calculate the scale the requestor DPI is used , because the paint area is already adjusted
        final Scale scale = bounds.getScaleDenominator(paintArea, mapParams.getRequestorDPI());

        DistanceUnit scaleUnit = scalebarParams.getUnit();
        if (scaleUnit == null) {
            scaleUnit = mapUnit;
        }

        // adjust scalebar width and height to the DPI value
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                    + ", scale: " + scale.getDenominator() + ")");
            return;
        }

        final ScalebarAttributeValues scalebarParams = settings.getParams();
        final DistanceUnit intervalUnit = bestUnit(scaleUnit, intervalLengthInWorldUnits, scalebarParams.lockUnits);
        final float intervalLengthInPixels = (float) scaleUnit.convertTo(
                intervalLengthInWorldUnits / scale.getDenominator(), DistanceUnit.PX);

        //compute the label positions
        final List<Label> labels = new ArrayList<Label>(scalebarParams.intervals + 1);
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     * @param lockUnits if set, the values are not scaled to a "nicer" unit.
     */
    @VisibleForTesting
    //CSOFF: MagicNumber
    protected final double getNearestNiceValue(final double value, final DistanceUnit scaleUnit, final boolean lockUnits) {
        DistanceUnit bestUnit = bestUnit(scaleUnit, value, lockUnits);
        double factor = scaleUnit.convertTo(1.0, bestUnit);

        // nearest power of 10 lower than value
        int digits = (int) Math.floor((Math.log(value * factor) / Math.log(10)));
        double pow10 = Math.pow(10, digits);
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Related Classes of org.mapfish.print.map.DistanceUnit

  • org.mapfish.print.attribute.map.BBoxMapBounds
  • org.mapfish.print.attribute.map.CenterScaleMapBounds
  • org.mapfish.print.processor.map.CreateMapPagesProcessor
  • org.mapfish.print.processor.map.scalebar.ScalebarGraphic
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