Adobe Photoshop

3D Terrain Model using Geographic Imager

We created a video to show that it is possible to use geospatial data and the 3D capabilities of Adobe Photoshop. It performs very well with a decent computer and video card.

In this video, a combination of Geographic Imager and Adobe Photoshop functions are used to open a DEM file using a script. The script also transforms a DEM into a 3D model and allows for an overlay of a colour model based on the data or a custom image (e.g. ortho image). Video after the jump.

Georeferencing an Image in Adobe Photoshop with Geographic Imager

Today's topic: making an image georeferenced

Nowadays, it's common to find great orthophotos and satellite imagery on the Web. However, after downloading these (sometimes) large files, you might find that some don't have any georeferencing. Most likely these files are in an image format supported by Adobe Photoshop (e.g. JPG or TIF) and you can georeference it using the Geographic Imager Georeference tool.

These are the requirements to georeference an image:

  1. Knowing the coordinate system of the image (e.g. Mercator projection, State Plane system Alabama East, UTM system NAD 83 Zone 17 N..etc)
  2. Finding three or more points from the image to assign coordinate values to each of them. These points are known as ground control points.

Optimizing Geospatial PDF files for PDF Maps

PDF MAP application for iPad, iPhone, iPod touch You can bring your maps anywhere with our PDF Maps iOS app for iPhone, iPad, and iPod Touch. You can navigate your own map, locate yourself, make a note at the position collected, measure distances, and export and share the collected waypoints on a desktop or online application.

New Transformation Method for World Maps in Geographic Imager 3.2

When transforming a world image, there may be artifacts created by the Geographic Imager transformation engine. Below are the results of a WGS84 world image transformed into a Stereographic projection.

Geographic Imager 3.1 transformation result

When we zoom into the problematic area, you can see up close how some artifacts affect the image after the transformation was performed.

Creating a Custom Coordinate System from a Predefined Coordinate System

When transforming a world map in a geodetic system (such as WGS84) to a predefined projection (such as Robinson) using MAPublisher, the central meridian of the predefined projection should be set to 0 degree longitude as shown below.

Image 1: world map in WGS84

World map in WGS84 geodetic system

Image 2: world map in a predefined Robinson Projection

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