gfp-basic3d's Introduction

gfp-basic3d

Various 3D format writers for geoflow (CityJSON, PLY, OBJ)

Installation

As part of geoflow-bundle

This the recommended way since it will also include the commonly used plugins and flowcharts to get you started quickly. Also binary pacakges are available.

Building from source

Need to install first geoflow. Requires compiler with c++17 support (see https://en.cppreference.com/w/cpp/compiler_support).

mkdir build
cd build
cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local
cmake --build . --parallel 4 --config Release
cmake --build . --target install

Dependencies:

nlohmann JSON at least version 3.10.5

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gfp-basic3d's Issues

CityJSON: Remove duplicate vertices after converting to int

now it is done before casting from float to int. This leaves some dupes as detected by https://hugoledoux.github.io/cjval_wasm/. Eg 210908 tile 3032

Solve common CityJSON writing for CityJSONFeatureWriter

See #6

Segfault on CityJSONWriter with the test data

geof run single/reconstruct.json --verbose

Field status has a size of 21
Field total_roofplane_cnt has a size of 21
8.7120ms
P CityJSONWriter...Segmentation fault (core dumped)

CityJSON Feature writer

CityJSON unused semantics on geometry

See the description in cityjson/cjio#102
Having unused semantics is not an error per se (I think), but it would be cleaner if only the semantic objects are added to the geometry that are really used.