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New Software Streamlines Rooftop Solar Project Planning

By Eric Van Rees - 19th September 2025 - 06:57

Geospatial software development company, Idan Computers, has used the TatukGIS Developer Kernel in C++Builder to develop an interesting new solution to streamline the planning of solar energy projects for residential and industrial rooftops. 

The Idan Solar Panels Planner (ISPP) is a complete solution from start to finish, providing tools to efficiently survey a site by aerial drone, generate an accurate 3D model from oblique imagery to simulate shading patterns and seasonality using solar geometry, plan the placement of panels, generate all necessary construction drawings, and precisely compute the project's energy yield and return on investment (ROI) in real time. Results of highly accurate, per panel, electricity yield computations are provided in clear and detailed monthly reports. Planning time can be reduced from hours or days to less than an hour, enabling vendors to quote projects faster and with greater confidence. ISPP is suitable for projects ranging from single residential to utility-scale complexes.

Many aspects of the Idan Solar Panels Planner are derived from the TatukGIS Developer Kernel (DK), a comprehensive GIS development kit, including drone flight planning and tracking, image georeferencing, coordinate system handling and conversions, interaction with geospatial data, complicated geometric analyses, and measurements. The DK GisSunPosition method (one of roughly 20,000 DK supported methods and properties) provides the sun position relative to any map location for any date and time. 

Read More: GIS 3D Modelling

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