Key features

EspaKernel

• Create and manage image sets and frames
• Combine image data and orientations
• Read and write RAW images
• Read and write TIFF images
• Read and write BigTIFF images
• Read and write JPEG images
• Read and write tfw format files
• JPEG image compression inside TIFF images
• GZIP image compression inside TIFF images
• Create tiled images
• Rotate, flip and swap images
• Sharpen images
• Create image pyramids
• Create block overview mosaics
• Combine image from separate channels
• Split image to separate channels
• Combine image pyramids to one file
• Define stereo pairs
• Compute epipolar images
• Transfer orientations (MATCH-AT)
• Transfer EnsoMOSAIC orientations
• Transfer Bingo orientations
• Transfer ISDM (ImageStation Digital Mensuration) orientations
• Create artificial points for orientation transfer 

EspaBlock

• Prepare triangulation work using project wizard
• Measure fiducial marks automatically
• Measure tie points automatically
• Measure and edit points visually
• Adjust tones automatically
• Compute blocks efficiently using bundle adjustment program included (EspaBundle)
• Utilize iterative flow of working in triangulation
• Use approximate image orientations to guide image measuring
• Visualize adjustment results 

• Use aerial film cameras
• Use aerial digital cameras (Ultracam, DMC)
• Use multiple observation files
• Define interior orientation (focal length, the location of principal point in the image plane, lens distortion)
• Compute fiducial mark transformation with 6-, 8,- or 12- parameters
• Correct effects of earth curvature and refraction
• Compute approximate values using 4-parameters transformation (Helmert transformation)
• Compute bundle adjustment
• Adjust with XYZ-, XY- and/or Z-known control points
• Adjust with distance observations
• Adjust with GPS observations and drift parameters
• Adjust with additional parameters (self calibration)
• Write orientation parameters
• Write accuracy estimates
• Write adjustment report 

EspaOrtho

• Define orthophotos from input imagery
• Compute terrain grids for orthophotos from random points or existing terrain grids
• Rectify imagery to orthophotos
• Clip and attach image patches
• Create seamless orthophotomosaics
• Preview orthophotomosaics
• Adjust tones manually
• Compute automatic tone adjustment for images 
• Adjust tone with color balance
• Adjust white and black balance

EspaCity

• Extract 3D data using stereoscopic measuring, image-wise measuring or orthophoto measuring
• Utilize various alternatives for stereoscopic viewing
• Compute y-parallax free epipolar images on-line
• Adjust tones automatically
• Superimpose 2D or 3D vector data on stereo images
• Exchange spatial data between EspaCity and other applications using EspaGate linkage
• Import and export spatial objects using shape files
• Select object type from various alternative geometry types (with or without attribute information)
• Use layer techniques to separate vector data sets (active, hidden, 2D, background)
• Use Object Edit to work in 3D
• Use Trail Edit to work in 3D
• Find height level automatically
• Control height level continuously
• Compute digital elevation models (DEM) automatically
• Check and measure point data efficiently with EspaDrive tools
• Compute and edit grid elevation models
• Visualize grid models with several techniques
• Compute smooth contour lines
• Utilize pre-defined feature models for 3D modeling of spatial objects 

EspaGate

• Standard set-up enables spatial data transfer between EspaCity and the
  (a) ArcGIS environment
  (b) AutoCAD environment
  (c) MicroStation environment
• Special set-up enables spatial data transfer between EspaCity and the
  (d) Smallworld environment
  (e) Tekla Xcity environment
  (f) Topocad environment
• Develop your own EspaGate application using EspaGate API programming interface (C++)

EspaEngine

• Process airborne LIDAR data
• Process photogrammetric point data
• Read and write LAS format files
• Read and write XYZ format files
• Classify georeferenced points automatically
• Classify georeferenced points in stereo (EspaCity connection)
• Compute grid elevation models
• Compute contour lines
• Visualize data in point clouds (free viewing angle)
• Visualize grid elevation models with wireframe or filled area (free viewing angle)
• Visualize grid elevation models with colors (free viewing angle)
• Visualize grid elevation models with hill shading (free viewing angle)
• Visualize grid elevation models with lighting (free viewing angle and customizable light source)
• Visualize grid elevation models by wrapping existing image data over grid (free viewing angle)
• Visualize grid elevation models with contour lines(free viewing angle)
• Check data in stereo (EspaCity connection)
• Edit existing data in stereo (EspaCity connection)
• Collect new data in stereo (EspaCity connection)