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WordCloud
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import wordcloud.PolarWordCloud | |
import wordcloud.CollisionMode | |
import wordcloud.PolarBlendMode | |
import wordcloud.bg.CircleBackground | |
import wordcloud.bg.PixelBoundryBackground | |
import wordcloud.bg.RectangleBackground | |
import wordcloud.font.CloudFont | |
import wordcloud.font.FontWeight | |
import wordcloud.font.scale.LinearFontScalar | |
import wordcloud.font.scale.SqrtFontScalar | |
import wordcloud.nlp.FrequencyAnalizer | |
import wordcloud.nlp.tokenizer.ChineseWordTokenizer | |
import wordcloud.palette.ColorPalette | |
import org.apache.commons.codec.binary.Base64 | |
import java.net.URL | |
import java.io.ByteArrayOutputStream | |
import javax.imageio.ImageIO | |
val frequencyAnalizer = new FrequencyAnalizer() | |
frequencyAnalizer.setWordFrequencesToReturn(750) | |
frequencyAnalizer.setMinWordLength(4) | |
import collection.JavaConverters._ | |
val stopwords = Source.fromURL("https://raw.githubusercontent.com/kennycason/kumo/master/src/test/resources/text/stop_words.txt").getLines().toList.asJava | |
frequencyAnalizer.setStopWords(stopwords) | |
val wordFrequencies = frequencyAnalizer.load(new URL("https://raw.githubusercontent.com/kennycason/kumo/master/src/test/resources/text/new_york_positive.txt")) | |
val wordFrequencies2 = frequencyAnalizer.load(new URL("https://raw.githubusercontent.com/kennycason/kumo/master/src/test/resources/text/new_york_negative.txt")) | |
val wordCloud = new PolarWordCloud(600, 600, CollisionMode.PIXEL_PERFECT, PolarBlendMode.BLUR) | |
wordCloud.setPadding(2) | |
wordCloud.setBackground(new CircleBackground(300)) | |
wordCloud.setFontScalar(new SqrtFontScalar(10, 40)) | |
wordCloud.build(wordFrequencies, wordFrequencies2) | |
val baos = new ByteArrayOutputStream() | |
ImageIO.write(wordCloud.getBufferedImage(), "png", baos) | |
val image = new String(Base64.encodeBase64(baos.toByteArray())) |
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