3dsmax – 2016 – PointCloud Objects

Something quite new and very helpfull comes with 3dsmax 2015, it’s the PointCloud Objects. It’s now possible to add an RCS or RCP file to Max and render or remodel from a point-cloud. It’s also possible to render with several options and add a texture.

RCS and RCP file are made by Autodesk’s softwares such as 123Catch, Memento or Recap. When a photogrammetry is done in Recap or Memento, it’s easy to export it in RCS or RCP.

image

The option is in the “Create/PointCloud” menu. The RCS file is load with the button “Load Point Cloud”

Setting up

clip_image001

Depending to the file and the computer, it may take a while to load the PointCloud.

Several kind of display can be chosen :

clip_image003

True color –                                                     Single color

clip_image005clip_image007

Normal Ramp –                                              Intensity Ramp

clip_image009clip_image011

Elevation Ramp

clip_image013

The level of details setting rules the way the model is shown and rendered.

clip_image014

Low / High details

clip_image016clip_image018

Point Display indicates the chosen size of a single point:

clip_image020

clip_image022

The limit box draws the area to work with as it can be done in many Softwares.

clip_image024

Rendering

To render the pointcloud, it’s necessary to launch the NVidia MentalRay renderer and then to create a texture. In the Material menu, the Autodesk Point Cloud shader is connected to the Arch & Design material’s Diffuse Color Map input.

clip_image026

image

This is the rendering “true color” with level of details set to 1

clip_image028

Set to 5

clip_image030

Intensity Multiplier = 1

clip_image031

clip_image032

clip_image033

clip_image034

clip_image035

clip_image037

The sparkling effect comes from the shader: if the reflexivity is set to 0 (intensity = 1)

clip_image039

No more white dots.

clip_image040

To render a normal ramp, use a normal Shader as Ramp Shader.

clip_image042

clip_image044

Elevation Ramp to simulate a height grandient.

clip_image046

clip_image048

Some additional details here:

http://help.autodesk.com/view/3DSMAX/2016/ENU//index.html?guid=GUID-49CE0ACB-1345-4D50-B6E5-361DBFDB5B33

image

Laisser un commentaire

Votre adresse de messagerie ne sera pas publiée. Les champs obligatoires sont indiqués avec *

Ce site utilise Akismet pour réduire les indésirables. En savoir plus sur comment les données de vos commentaires sont utilisées.