Application: gvSIG desktop » gvSIG raster

        Envelope reprojectedViewPortEnvelope = (Envelope) viewPort.getEnvelope();

        ICoordTrans ct = getCoordTrans();

        if (ct != null) {

            try {

                reprojectedViewPortEnvelope = (Envelope) reprojectedViewPortEnvelope.clone();

                reprojectedViewPortEnvelope = reprojectedViewPortEnvelope.convert(ct.getInverted());

            } catch (CloneNotSupportedException e) {

                this.setAvailable(false);

                this.setError(e);

                throw new ReadException(getName(), e);

            }

        }

        double pixelSize = reprojectedViewPortEnvelope.getLength(0) / (double)viewPort.getImageWidth();