Author Archives: Uffe Kousgaard

Improving speed of FleetEngine calculations

A very short description of the FleetEngine method is Creating an initial solution (in short time) Improving it step by step (in much longer time). We are currently working on adding several algorithms for the first step, in order to … Continue reading

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Traffic assignment

We have added a new function for calculating traffic flows in RW Net 4. Input is a list of traffic volumes between A to B. Task is to add up all these volumes and get a total flow on each … Continue reading

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Loop links in street network

In mathematical graph theory you work with vertices (nodes) and edges (links). An edge normally connects two different vertices or it becomes a loop. RW Net has until now allowed loops. Since loops has several limitations in terms of lack … Continue reading

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64-bit

After the release of Delphi XE2 and the included 64-bit compiler, we have upgraded RW Net 4 where needed and have had great success doing so: We are now able to create 64-bit applications and the route results are the … Continue reading

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OpenStreetMap

We have been doing some tests lately of OpenStreetMap (OSM). Inspired by a customer we realised that it had improved a lot since last time we looked at it. This time we checked out Denmark and Estonia. Conclusion is OSM … Continue reading

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Simple web service

Recently we did a test with a simple routing web service on behalf of a customer. Our aim was to find out how much time a request takes and how many requests can be processed per second. Input is two … Continue reading

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Performance

Inspired by a recent post on MapInfo-L about the performance of a competing product, we decided to do a similar calculation with RW Net 4. Task is to create a distance matrix between 230,000 regions in the US. That is … Continue reading

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RW Net 2 & WinCE

For a customer we have compiled RW Net 2 with FreePascal WinCE compiler and tested it on a couple of smart devices (HP iPAQ, HTC Touch HD) with Windows Mobile 6.1. Works very well. Expect to find it in next … Continue reading

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Drivetime isochrone generation in RW Net 2

Generating large and detailed drivetime isochrones has always been a RAM demanding process in RW Net 2. As part of looking closer at supporting Win64 (using FreePascal compiler), we had to update certain parts of the source code, using pointers. … Continue reading

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Welcome

Welcome to our blog. We expect to tell about plans, technical issues, experiments we do and a lot more. The design is still, hmm, you could say missing or just “default”. But one day we will find time to do … Continue reading

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