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Completed work

Real cases, told without any details that identify the property or its owners: what the problem was, what we did and what was delivered. The images come from those jobs, with sensitive information hidden.

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Cases and their deliverables

Shaded relief of the area around the port of Xàbia and the hillside, with the sun in a first position Mapping and surveying

Shadow and slope analysis before you design

How we calculate the shadow cast by terrain, buildings and trees at each hour and season, and how a slope map shows where you can build on a plot.

Read the case Drainage network in a thick line over the orthophoto of a hillside with pine woodland and houses, calculated with a model of 0.5 points per square metre Mapping and surveying

Drainage networks: why point density changes the result

How the drainage network of a hillside is calculated from the terrain model, and what changes from 0.5 to 5 points per m², with an example in Xàbia (Jávea).

Read the case Ortho-image of the stone façade of a historic building, with large windows, grilles, decorative reliefs and a gallery of small arches at the bottom Mapping and surveying

Why a 3D model: the digital twin of a historic façade

Photogrammetry with a metric camera and classical land surveying to obtain the 3D model and the plan of a historic façade before designing its restoration.

Read the case Historical black and white aerial photograph with the outline of a plot drawn in blue Cadastre

Certificate of age for a building: aerial photo proof

How to prove how long a house, a pool or an outbuilding has existed in Spain: historical aerial surveys, the old Cadastre and spatio-temporal analysis.

Read the case Viewshed on an orthophoto of Xàbia: from a point marked next to the port, the visible area of the plain and the bay appears lit and the rest dark Mapping and surveying

Viewshed analysis: what can be seen from a point

What a viewshed is, how it is calculated with a terrain model and what it is used for on the coast: landscape integration, siting a house or anticipating its views.

Read the case Orthophoto of an opencast site on a hillside, with the excavated area in white surrounded by scrubland and a road on the right Topographic survey

Earthworks volume with drone and LiDAR: the calculation

How excavated volume is calculated by subtracting two terrain models, with the case of an opencast site in the Vall d'Albaida surveyed with drone and LiDAR.

Read the case Topographic plan of a plot with a house, two porches, a terrace, a pool, a shed, a shower, steps, trees, electricity and telephone poles and contour lines every half metre Topographic survey

Topographic plan for an architect: what it includes

Buildings, pool, walls, steps, trees, services, inspection chambers and contour lines: what a topographic plan must show to design on a plot.

Read the case First page of a Cadastre graphic validation report with a positive result, operation type correction, requested by the Clotoides engineer Cadastre

IVGA and ICUC: updating your deed before a mortgage

What the IVGA and the ICUC are, what they prove and what they do not, and how we use them so that a home's title deed reflects its real boundaries and buildings.

Read the case Topographic parcel cadastre of 1971, georeferenced, with the survey of the ground floor and the flat roof overlaid and a small disputed area marked in red Topographic survey

A neighbour encroaching on my property: how to prove it

Cadastre, Land Registry and boundaries did not match and the neighbour refused a deslinde. How we prepared an expert surveying report to defend the plot in court.

Read the case Orthophoto of a hillside in Xàbia with residential estates, zigzag roads, pine woodland and the sea in the bottom right corner Mapping and surveying

Orthophoto, DTM, DEM and contour lines explained

What makes an orthophoto different from an aerial photo, a DTM from a DSM, and what contour lines are for, with a large hillside site in Xàbia (Jávea).

Read the case Hillside with pines, scrub and pruning debris where the physical features marking the boundary of a plot were searched for Cadastre

Boundary demarcation and marking: a case in Xàbia

The Cadastre and the title deed gave different areas for a plot in Xàbia. How we defined its boundaries with the urbanisation plan, the old Cadastre and our survey.

Read the case Survey plan of a long, narrow rural property with its perimeter in red, the numbered vertices and the ancillary buildings drawn in Cadastre

Exceso de cabida: when Cadastre and Registry differ

A rural plot in la Costera measured more than registered. How we justified the excess of area with a survey, historical photos, IVGA and ICUC before its sale.

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Tell us about your case

We review the paperwork and tell you what is needed.

Cadastral reference, what you want to do and by when. We look at the case and reply with a proposal and a quote.

Request a quote Call 654 562 474
Xàtiva
C/ Ballesters Navarresos, 7 · 46800 Xàtiva
Xàbia
C/ Ausiàs March, 2 · 03730 Xàbia
or write to
hola@clotoides.com