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1 parent 0ab9dae commit 71049126757f2a06cb71982310735797e105eaac @grantbrown committed Aug 22, 2012
Showing with 14 additions and 10 deletions.
  1. +14 −10 doc/source/laspy_tools.rst
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24 doc/source/laspy_tools.rst
@@ -91,7 +91,7 @@ the optional mode argument, and set it to read/write:
.. code-block :: sh
- lasexplorer ./path/to/las/file -mode=rw
+ lasexplorer ./path/to/las/file --mode=rw
The shell doesn't provide the ability to open write mode files from the command
line, because this action requires a valid header object. If you'd like to experiment
@@ -131,8 +131,8 @@ Lasvalidate is called as:
lasvalidate ./path/to/las/file
-Optionally, the user can specify -log=/path/to/logfile and -tol=tolerance, where -log specifies
-where the log will be written, and -tol determines the tolerance for comparisons of actual and header
+Optionally, the user can specify --log=/path/to/logfile and --tol=tolerance, where --log specifies
+where the log will be written, and --tol determines the tolerance for comparisons of actual and header
max/min data. By default, the logfile is written to ./lasvalidate.log, and the tolerance is set to 0.01
@@ -178,17 +178,20 @@ Lasviewer is simple to call:
lasviewer ./path/to/las/file
-By default, lasviewer will display the point cloud in greyscale according to the
-intensity dimension. There are two other supported modes: elevation and rgb:
+By default, lasviewer will first attempt to display the point cloud in RGB color, though if
+color informaton is not present in the file, greyscale is used. In this case, the image is
+shaded according to the intensity dimension. One can also specify the mode explicitly:
**Default Color Modes**
.. code-block:: sh
+ # Display the intensity shaded map
+ lasviewer ./path/to/las/file --mode=intensity
# Display a heatmap based on the z dimension.
- lasviewer ./path/to/las/file -mode=elevation
+ lasviewer ./path/to/las/file --mode=elevation
# Display the rgb data (if present in the file)
- lasviewer ./path/to/las/file -mode=rgb
+ lasviewer ./path/to/las/file --mode=rgb
The elevation mode creates a three color heatmap (blue-green-red) for the Z dimension,
and colors the point cloud accordingly. The RGB mode uses color data present in the
@@ -205,9 +208,9 @@ recorded first:
.. code-block:: sh
- lasviewer ./path/to/las/file -mode=heatmap -dim=gps_time
+ lasviewer ./path/to/las/file --mode=heatmap --dim=gps_time
- lasviewer ./path/to/las/file -mode=greyscale -dim = gps_time
+ lasviewer ./path/to/las/file --mode=greyscale --dim = gps_time
**A Cool Trick**
@@ -223,7 +226,7 @@ First open a file in read/write mode with lasexplorer:
.. code-block:: sh
- lasexplorer ./path/to/las/file -mode=rw
+ lasexplorer ./path/to/las/file --mode=rw
Now you can re-scale Z, and call visualize:
@@ -258,6 +261,7 @@ controls will prove useful:
x Snap to x axis
y Snap to y azis
z Snap to z axis
+ r Reset the view location and angle
========== ======================================
There is currently no mouse support, though the bindings are in place for future development.

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