Package cn.mapway.common.geo.geotools

Class GenerateThumbnail

java.lang.Object

cn.mapway.common.geo.geotools.GenerateThumbnail

public class GenerateThumbnail
extends Object

Constructor Summary

Constructors

Constructor	Description
GenerateThumbnail()

Method Summary

Modifier and Type	Method	Description
static org.geotools.styling.Style	createPolygonStyle(Color outlineColor, float strokeWidth, Color fillColor, float opacity)
static void	generateRaster(File imageUrl, File labelUrl, File thumbnailUrl)	生成缩略图
static void	generateRaster(File imageUrl, File labelUrl, File thumbnailUrl, int width, int height)
static boolean	generateVector(File rasterFile, String geojsons, int splitSize, File exportUrl, boolean gcsFlag)	导出缩略图
static boolean	generateVector(File rasterFile, String geojsons, int splitSize, File exportUrl, double quality, String imageFormat, boolean gcsFlag)
static void	main(String[] args)
static BufferedImage	readImage(String imageUrl)
static byte[]	readPixelValues(org.gdal.gdal.Band band)
static byte[]	readPixelValues(org.gdal.gdal.Band band, int dataType, Double min, Double max)
static byte[]	readPixelValues(org.gdal.gdal.Band band, Double min, Double max)
static byte[]	stretch(float[] data, Double min, Double max)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

GenerateThumbnail

public GenerateThumbnail()

Method Details

generateRaster

public static void generateRaster(File imageUrl,
 File labelUrl,
 File thumbnailUrl,
 int width,
 int height)
                           throws IOException

Throws:

IOException

generateRaster

public static void generateRaster(File imageUrl,
 File labelUrl,
 File thumbnailUrl)
                           throws IOException

生成缩略图

Parameters:

imageUrl - 栅格底图文件

labelUrl - 栅格标注文件

thumbnailUrl - 缩略图文件

Throws:

IOException

generateVector

public static boolean generateVector(File rasterFile,
 String geojsons,
 int splitSize,
 File exportUrl,
 boolean gcsFlag)
                              throws IOException

导出缩略图

Parameters:

rasterFile - 栅格底图文件

geojsons - 矢量geojson信息

splitSize - 切片大小

exportUrl - 导出路径, 导出路径最后不要带有后缀

Returns:

Throws:

IOException

generateVector

public static boolean generateVector(File rasterFile,
 String geojsons,
 int splitSize,
 File exportUrl,
 double quality,
 String imageFormat,
 boolean gcsFlag)
                              throws IOException

Throws:

IOException

createPolygonStyle

public static org.geotools.styling.Style createPolygonStyle(Color outlineColor,
 float strokeWidth,
 Color fillColor,
 float opacity)

readImage

public static BufferedImage readImage(String imageUrl)

readPixelValues

public static byte[] readPixelValues(org.gdal.gdal.Band band)

readPixelValues

public static byte[] readPixelValues(org.gdal.gdal.Band band,
 Double min,
 Double max)

readPixelValues

public static byte[] readPixelValues(org.gdal.gdal.Band band,
 int dataType,
 Double min,
 Double max)

stretch

public static byte[] stretch(float[] data,
 Double min,
 Double max)

main

public static void main(String[] args)
                 throws IOException

Throws:

IOException