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3D rendering engine. Plus modeling. Expected glsl textures 3d and 2d rendering

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/*
 * Copyright (c) 2022-2023. Manuel Daniel Dahmen
 *
 *
 *    Copyright 2012-2023 Manuel Daniel Dahmen
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

package one.empty3.feature;

import one.empty3.io.ProcessFile;

import javax.imageio.ImageIO;
import java.io.File;

public class ExtremaProcess extends ProcessFile {
    private boolean setMin = true;
    private final int pointsCount;
    private final int neighbourSize;
    protected double sub[];
    private double threshold = 0.5;


    public ExtremaProcess() {
        this.neighbourSize = 3;//neighbourSize;
        this.pointsCount = 1; //pointsCount;
        //sub = new double[4*lines*columns];
    }

    public boolean process(File in, File out) {
        PixM pix = null;
        if (!in.getName().endsWith(".jpg"))
            return false;

        try {
            pix = new PixM(ImageIO.read(in));
        } catch (Exception ex) {
            ex.printStackTrace();
            return false;

        }


        LocalExtrema le = new LocalExtrema(
                pix.getColumns(), pix.getLines(),
                neighbourSize, pointsCount);


        PixM m = le.filter(new M3(pix, 1, 1)).getImagesMatrix()[0][0];

        try {
            ImageIO.write(m.normalize(0, 1).getImage(), "jpg", out);
            return true;
        } catch (Exception ex) {
            ex.printStackTrace();
            return false;
        }


    }


}