Moved from hojoongchung.wordpress.com

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I've been using wordpress.com since 2013 (I guess) to post my thoughts and learnings in regards to the AEC and the BIM industries. Since it has been a while and to monetize the contents I've been providing to the others, I've decided to move the contents to the Blogger.
An architect who is passionate about building products. I mainly write about my work and techs related to AEC industry

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Frequently used Pandas commands - Lambda function

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After finishing the first assignment of Udacity Data Analyst Nanodegree , I decided to summarize and record most commonly used Pandas commands here. The first topic I would like to post is the lambda function. Lambda function in Pandas can be used via apply() command something like below: df = pd . DataFrame({ 'A' :[ 1 , 2 ], 'B' :[ 3 , 4 ]}) df . apply( lambda x : x + 1 ) Above code adds 1 to all the data resides in the DataFrame named 'df'. The result looks like below: __ | A B 0 | 2 4 1 | 3 5 Lambda function can be applied to a single column using below code: df[ 'A' ] . apply( lambda x : x + 1 ) But the result only shows the index and values without the column name like below: 0 | 2 1 | 3 To include the column name, following code can be used: df . apply({ 'A' : lambda x : x + 1 }) And the result will look like this: __ | A 0 | 2 1 | 3 This lambda function can be us...
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Project Owl: Kinect V2 Point Cloud Generator for Grasshopper

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Project Owl, the Grasshopper point cloud generator for Microsoft Kinect V2 sensor has been updated. The updated features are listed below: Updated feature User can now define the origin point of the point cloud Resolution of the point cloud can be changed in real time Point cloud can be trimmed according to its distance from the origin point Multiple components can be added and run simultaneously Most importantly, component icon has been added!! In case you want to try this component, you can download it from the following link:  https://github.com/hodgoong/grasshopper-kinect2 Note that you may install 'Kinect for Windows SDK 2.0' to make this component work. Please contact hojoong.chung(at)gmail.com for any questions, or suggestions. [Article has been copied from hojoongchung.wordpress.com. The original article has been written on Sep 17, 2015, 2:20 AM]
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Project Owl with Volvox

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So I've tried Owl with Volvox, which has been developed as a part of DURAARK project at the Center for Information Technology and Architecture (CITA) by Henrik Leander Evers and Mateusz Zwierzycki (http://www.grasshopper3d.com/group/volvox), and found out it's much convenient to navigate scanned point clouds in the Rhino with these two combination. Basically Volvox can turn array of points into Rhino point cloud type, which is lighter compare to have a sets of points. Have a try! Update: source code of Project Owl is now publically open. Follow the link below for the code as well as the binary GHA file! https://github.com/hodgoong/grasshopper-kinect2 [Article has been copied from hojoongchung.wordpress.com. The original article has been written on Oct 6, 2015, 5:07 PM]
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