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Questions tagged [hue]

Hue is a Web interface for analyzing data with Apache Hadoop. It supports a file and job browser, Hive, Pig, Impala, Spark, Oozie editors, Solr Search dashboards, HBase, Sqoop2, and more.

Hue is a graphical user interface to operate and develop applications for Apache Hadoop. Hue applications are collected into a desktop-style environment and delivered as a Web application, requiring no additional installation for individual users.

For the latest about Hue, see gethue.

To download the latest releases, see Install/Release or hue/releases for older releases.

There is also a companion SDK guide that describes how to develop new Hue applications: Hue SDK Documentation

For the source code and documentation, see GitHub.

961 questions
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Changing image hue with Python PIL

Using Python PIL, I'm trying to adjust the hue of a given image. I'm not very comfortable with the jargon of graphics, so what I mean by “adjusting hue” is doing the Photoshop operation called “Hue/saturation”: this is to change the color of the…
zopieux
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How to change hue of a texture with GLSL?

Is there a way to efficiently change hue of a 2D OpenGL texture using GLSL (fragment shader)? Do someone have some code for it? UPDATE: This is the code resulting from user1118321 suggestion: uniform sampler2DRect texture; const mat3 rgb2yiq =…
Andrea3000
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Change white png image to specific colour

I have a white png image, which is a part of a n icon. I would like to change it's colour to get a coloured icon. I know it is possible with hue/saturation setting, but don't know how to achieve a specific colour output. I am using Axialis Icon…
Alfred
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How to set the hue order in Seaborn plots

I have a Pandas dataset named titanic I am plotting a bar chart as described in the Seaborn official documentation, using the following code: import seaborn as sns titanic = sns.load_dataset("titanic") sns.catplot(x="sex", y="survived",…
Marioanzas
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Impala can't access all hive table

I try to query hbase data through hive (I'm using cloudera). I did a fiew hive external table pointing to hbase but the thing is Cloudera's Impala doesn't have an access to all those tables. All hive external tables appear in the metastore manager…
Nosk
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Install Hue without Cloudera

Has anyone tried/succeeded in installing Hue on Hadoop without Cloudera? I have gotten to a point where I can reliably reproduce a hadoop cluster with hbase and hive and can set it all up in about 15 minutes. I'd love to have Hue along with all this…
Aman Chawla
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How to programmatically change the hue of UIImage?

I am very new to the image processing. I have to implement hue effect in my iPhone application project. Therefore, I need to change the hue of UIImage. Please provide me any sample code or tutorial link for this. Thanks in advance
Sanchit Paurush
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No partition predicate found for Alias even when the partition predicate in present in the query

I have a table pos.pos_inv in hdfs which is partitioned by yyyymm. Below is the query: select DATE_ADD(to_date(from_unixtime(unix_timestamp(Inv.actvydt, 'MM/dd/yyyy'))),5), to_date(from_unixtime(unix_timestamp(Inv.actvydt,…
jeff
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GUI for using Hadoop

Is there an easy way to use Hadoop other than with the command line? Which tools are you using and which one is the best?
Rami
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How to calculate mean and standard deviation for hue values from 0 to 360?

Suppose 5 samples of hue are taken using a simple HSV model for color, having values 355, 5, 5, 5, 5, all a hue of red and "next" to each other as far as perception is concerned. But the simple average is 75 which is far away from 0 or 360, close…
drb
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What is Hue all about?

I am new to Big Data. I want to know about Hue. All i know about Hue is that it is a web interface to manage Hadoop ecosystem. Please let me know if i can install in on my pc (Ubuntu Precise). I am running Apache Hadoop 1.2.1 in pseudo distributed…
Nishant Srivastava
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Obtain date from timestamp

I have a date field like this: 2017-03-22 11:09:55 (column name: install_date) I have another date field with date like this: 2017-04-20 (column name: test_date) I would like to obtain only the date field from the above (2017-03-22) so that I can…
Sarah
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How to filter out rows with NaN values in Hive?

I am running a sum function of one hive table in Hue, and get a return value of NaN. Here is my code: select sum(v1) from hivedb.tb1; I don't know why it is giving me a NaN result. I checked if any of my v1 values are null: select * from hivedb.tb1…
Counter10000
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Hive Internal Error: java.lang.ClassNotFoundException(org.apache.atlas.hive.hook.HiveHook)

I am running a hive query throwh oozie using hue.. I am creating a table through hue-oozie work flow... My job is failing but when I check in hive the table is created. Log shows below error: 16157 [main] INFO …
Amaresh
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Oozie and Job History Server configuration problems

Problem I'm trying to install psuedo-distributed CDH without the use of CDM. Everything "works" via the console. However, the second I begin using Hue, I receive an error when trying to work with Pig. The error shown in Hue is: JA017: Could not…
coatless
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