%PDF-1.4 % 1 0 obj << /Type /Pages /Count 1 /Kids [ 2 0 R ] >> endobj 2 0 obj << /Type /Page /Parent 1 0 R /Resources << /ProcSet [ /PDF /Text /ImageB /ImageC /ImageI ] /Font << /QuickPDFFf0680fff 79 0 R /QuickPDFFa6629d5f 136 0 R >> >> /Contents [ 5 0 R ] /MediaBox [ 0 0 595.2756 841.8898 ] /CropBox [ 0 0 595.2756 841.8898 ] >> endobj 3 0 obj << /Type /Catalog /Pages 1 0 R /Metadata 137 0 R >> endobj 4 0 obj << /Producer (Debenu Quick PDF Library 11.15 \(www.debenu.com\)) /Creator (Debenu Quick PDF Library 11.15 \(www.debenu.com\)) /CreationDate (D:20210628125358+02'00') /ModDate (D:20210628125358+02'00') >> endobj 5 0 obj << /Length 4184 /LC /iSQP >> stream 0 Tr /QuickPDFFa6629d5f 14 Tf 0 0 0 rg 100 Tz 0 Tw 0 Tc 0 Ts BT 1 0 0 1 87.4488 770.8329 Tm (Applying Free Geotechnologies and Offline Maps for Data Collect and)Tj 1 0 0 1 74.7928 752.1709 Tm (Logistical Support to Caet S/A Sugarcane Mill, in the Municipality of So)Tj 1 0 0 1 223.3608 733.5089 Tm (Miguel Dos Campos Al)Tj ET /QuickPDFFa6629d5f 11 Tf 0 0 0 rg BT 1 0 0 1 2.4803 703.0447 Tm (Arthur Costa Falco Tavares, Joo Pedro Dos Santos Verosa, Wellington Tavares dos Santos, Ramn Salgueiro Cruz, Flvio)Tj 1 0 0 1 27.8353 688.3817 Tm (Henrique Dos Santos Silva \(Alexandre Guimares Duarte and Henrique Ravi Rocha De Carvalho Almeida \(Brazil\))Tj ET /QuickPDFFa6629d5f 11 Tf 0 0 0 rg BT 1 0 0 1 56.6929 646.8416 Tm 14.663 TL (Key words: )' ET /QuickPDFFf0680fff 11 Tf 0 0 0 rg BT 1 0 0 1 141.7323 646.8416 Tm 14.454 TL (Engineering survey; Geoinformation/GI; GNSS/GPS; Land management; Low cost)' (technology; Positioning; Professional practice; Spatial planning; Geoprocessing; GIS;)' (Precision Agriculture)' ET /QuickPDFFa6629d5f 11 Tf 0 0 0 rg BT 1 0 0 1 56.6929 590.1487 Tm 14.663 TL (SUMMARY)' ET /QuickPDFFf0680fff 11 Tf 0 0 0 rg BT 1 0 0 1 56.6929 561.8022 Tm 14.454 TL (Applying free geotechnologies to support decision making is becoming increasingly common, especially)' (with the use of mobile devices. The objective of this work was to develop a tool through free)' (geotechnologies and to create offline maps that serve as an aid to decision making in the sugarcane fields. Its)' (main focus was to verify the increase in decision-making power compared to the traditional methods used.)' (The study area for application of the developed tool was Mill Caet S/A, located in the municipality of So)' (Miguel dos Campos - AL. The methodology was based on the acquisition of data obtained through the)' (smartphones GPS and Google Earth software, to be compared to georeferenced data from rural property)' (limits provided through the electronic tool \(SIGEF\) developed by the National Institute of Colonization and)' (Agrarian Reform \(INCRA\). The positional accuracy value was calculated using the set of control and field)' (obtained points to calculate the Standard Error \(EP\) values, and thus estimate the positioning errors)' (\(planimetric and/or altimetric\) relating to the data. The results in Table 3 showed that data obtained by these)' (different technologies presented different EP values: 5,34m \(SW MAPS\); 4,71m \(MOBILE T.\) and 7,50m)' (\(GOOGLE EARTH\). However, when verifying the adequacy of these data it was found that they fall as)' (Class A for a scale of 1/50,000 and as Class B for a scale of 1/25,000. The results showed that the use of the)' (tool provided a better performance for official field activities in relation to the traditional methods used and)' (that the techniques do not present high precision. The implementation proved to be an efficient alternative to)' (the proposed goal, making it possible to increase the decision-making power. However, other functionalities)' (need to be better explored, measured and improved, what means these technologies need great evolutions to)' (perform tasks that require high precision for sugarcane field, distance, perimeter and area measurements.)' (Further studies will be necessary to quantify this information, especially when taking into account the)' (diversity of smartphones available in the market today.)' ET /QuickPDFFf0680fff 10 Tf 0 0 0 rg BT 1 0 0 1 56.6929 190.1297 Tm 13.14 TL (__________________________________________________________________________________________)' ()' (Applying Free Geotechnologies and Offline Maps for Data Collect and Logistical Support to Caet S/A Sugarcane Mill,)' (in the Municipality of So Miguel Dos Campos Al \(11066\))' (Arthur Costa Falco Tavares, Joo Pedro Dos Santos Verosa, Wellington Tavares dos Santos, Ramn Salgueiro Cruz,)' (Flvio Henrique Dos Santos Silva \(Alexandre Guimares Duarte and Henrique Ravi Rocha De Carvalho Almeida)' (\(Brazil\))' ()' (FIG e-Working Week 2021)' (Smart Surveyors for Land and Water Management - Challenges in a New Reality)' (Virtually in the Netherlands, 2125 June 2021)' ET endstream endobj 6 0 obj << /Length 316 /Filter /FlateDecode >> stream xMRKnCAۿSpk`y^Uu[jIɒT%C/:b}Rx\%=
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