DEM Creation

DEM Creation

Tekmap Consulting uses custom algorithms to create interpolated digital elevation models (DEMs) by combining data from a variety of sources. Data types include:

Contours
Point elevations
Bathymetric soundings
LiDAR
Multibeam bathymetry

The data density determines the optimal resolution for the DEM. We use artificial lighting options to highlight geographic features in DEMs.

After creating a DEM, we can use custom color tables to simulate changes in the environment.

For example, we can raise water levels to show possible flood conditions, or we can lower water levels to represent historic sea-level changes.

Articles

Recent Blog Posts

Navigation output using MB System and GDAL

09/07/2012

Introduction

Program updated on September 7, 2012. List of updates is given below.

...

The Command List for How-to Import Multibeam Bathymetry Into GRASS

09/05/2012

In the previous post, I described how to import multibeam navigation and bathymetry into GRASS using the wxPython Graphical User Interface (GUI).

...

How-to Import Multibeam Bathymetry Into GRASS Using MB-System

08/28/2012

This how-to exercise covers the basic steps I use to...

GRASS Multibeam Import

08/15/2012

Introduction

Updated Version Released August 15, 2012 (see notes below)

The r.in.mb GRASS/Mb-Stystem program is designed to import mbio compatible multibeam data directly into the GRASS GIS.
The program is a...

GRASS Create Vector Circles

08/01/2012

Introduction

The v.mk_circle program is a simple GRASS utility to create a closed vector at a user defined location and size. The program was originally written to create a GRASS vector for target zones at a specific location. The v.mk_circle program has since been upgraded to output other shapes (see below), and accept multiple...

Tekmap Consulting

mapping solutions for a changing world

You are here

Introduction

Introduction

Introduction