diff --git a/src/data/dataExporter.ts b/src/data/dataExporter.ts
index b34ce56d509a4a115293d515c64a16061596bd31..b01afcac98adeea138b2655e88add56d7d322bd5 100644
--- a/src/data/dataExporter.ts
+++ b/src/data/dataExporter.ts
@@ -6,6 +6,7 @@ import {Coords} from "./coords/coords";
 import {MeasurementExport} from "./measurement/process/measurementExport";
 import {CoordsMeasurement} from "./coords/process/coordsMeasurement";
 import {PointMerger} from "./coords/process/pointMerger";
+import {Measurement} from "./measurement/measurement";
 
 export class DataExporter {
 
@@ -60,6 +61,10 @@ export class DataExporter {
         return this.measureExport.exportMeasurements(labData.workInfo,[measurement]).csv;
     }
 
+    public getPathDescriptors(labData : LabData) : Measurement {
+        let measurement = this.coordsMeasure.measure(labData.blobMaskCoords, labData.rulerCoords, labData.rulerTickCount, labData.filename);
+        return measurement;
+    }
 
     private toCsv(point : paper.Point) : string {
         return point.x + "\t" + point.y + "\n";
diff --git a/src/data/measurement/process/measurementExport.ts b/src/data/measurement/process/measurementExport.ts
index 45c051621f0b47a5c4451bf6d9a7613ae8a1b1ac..13ca915b58e6c1a0b86903d7dd86bd450ba273b4 100644
--- a/src/data/measurement/process/measurementExport.ts
+++ b/src/data/measurement/process/measurementExport.ts
@@ -19,7 +19,7 @@ export class MeasurementExport {
      */
     public exportMeasurements(work: WorkInfo, measurements: Measurement[]) : { filename: string, csv: string }  {
         return {
-            filename: "Results_" + this.workInfoFormatter.format(work) + ".csv",
+            filename: null, //"Results_" + this.workInfoFormatter.format(work) + ".csv",
             csv: csvFormatRows([[" ", "Label", "Area", "Perim.", "Circ.","AR","Round","Solidity"]]
                 .concat(measurements
                     .sort((m1, m2) => m1.label.localeCompare(m2.label))
diff --git a/src/lab.tsx b/src/lab.tsx
index 97d17585a262cf41a0e32df9c32453a94e80c7f4..a2850599db9e7a9f7f36b7438dae4f579aea7e4f 100644
--- a/src/lab.tsx
+++ b/src/lab.tsx
@@ -28,7 +28,7 @@ export const DEBUG_MODE = false;
 /**
  * La taille par défaut de la règle
  */
-export const DEFAULT_RULER_TICK_COUNT = 10;
+export const DEFAULT_RULER_TICK_COUNT = 8;
 
 /**
  * La taille minimum de la règle
@@ -168,10 +168,15 @@ export class Lab extends React.Component<{}> {
     public new(image : HTMLImageElement, filename : string) : boolean {
         console.info("Nouvelle session de travail")
         let workInfo = this.workInfoParser.parse(IoUtils.basename(filename));
-        if(workInfo == null) {
+
+	// Disable this check to allow any filename
+        /*
+	if(workInfo == null) {
             window.alert("Le nom du fichier ne respecte pas nomenclature")
             return false;
-        }
+	}
+        */
+
         if(this.raster != null) {
             if(window.confirm("Écraser le travail en cours ?")) {
                 this.reset();
@@ -330,7 +335,7 @@ export class Lab extends React.Component<{}> {
                 <Container fluid={true}>
                     <Row className={"col-md-12"}>
                         <div className="d-flex d-flex justify-content-between">
-                            <Navbar.Brand className={"p-0"}><i className={"fa-solid fa-flask me-2"}></i>Blob Analysis Lab <sup><Badge pill bg="secondary" text="primary">demo</Badge></sup></Navbar.Brand>
+                            <Navbar.Brand href="./" className={"p-0"}><i className={"fa-solid fa-flask me-2"}></i>Blob Analysis Lab <sup><Badge pill bg="secondary" text="primary">école</Badge></sup></Navbar.Brand>
                             <Form className={"inline-form"}>
                                 <Form.Group controlId="zoomGroup">
                                     <Form.Label>Zoom :</Form.Label>
@@ -362,7 +367,7 @@ export class Lab extends React.Component<{}> {
                             <RulerStep lab={this} code="placeRuler" title="Positionner la règle"/>
                             <PlacePetriDishStep  lab={this} code="placePetriDish" title="Positionner la boîte de petri"/>
                             <DrawBlobMaskStep  lab={this} code="drawBlobMask" title="Détourer le blob"/>
-                            <DownloadStep  lab={this} code="download" title="Télécharger les résultats"/>
+                            <DownloadStep  lab={this} code="download" title="Voir les résultats"/>
                         </StepManager>
                     </div>
                 </Col>
diff --git a/src/ui/steps/downloadStep.tsx b/src/ui/steps/downloadStep.tsx
index 804b73319ddc8c71abb32a86ec23d0eb850800d4..7ca19b8bbaeee3321faa454016159ff030820f60 100644
--- a/src/ui/steps/downloadStep.tsx
+++ b/src/ui/steps/downloadStep.tsx
@@ -8,6 +8,7 @@ import {ImageDataWrapper, Rgba} from "../../render/ImageDataWrapper";
 import {Merger} from "../merger";
 import {WorkInfoFormatter} from "../../data/work/process/workInfoFormatter";
 import {MeasurementExport} from "../../data/measurement/process/measurementExport";
+import {MathUtils} from "../../utils/mathUtils";
 
 export interface DownloadButtonProps {
     downloading: boolean,
@@ -36,7 +37,11 @@ export interface DownloadStepState extends  StepState {
     blobMaskDataFilename: string | null,
     blobMaskFilename: string | null,
     resultsFilename: string | null,
-    downloading: boolean
+    downloading: boolean,
+    area: string | null,
+    perimeter: string | null,
+    showmore: boolean | null
+
 }
 
 
@@ -63,7 +68,7 @@ export class DownloadStep extends Step<DownloadStepState> {
     private measureExport = new MeasurementExport();
 
     public constructor(props: StepProps) {
-        super(props, { active: false, activable: false, petriDishDataFilename : null,  blobMaskDataFilename: null,  blobMaskFilename: null, resultsFilename: null, downloading: false });
+        super(props, { active: false, activable: false, petriDishDataFilename : null,  blobMaskDataFilename: null,  blobMaskFilename: null, resultsFilename: null, downloading: false, area: "-", perimeter: "-", showmore : false});
     }
 
     canBeActivated(): boolean {
@@ -75,15 +80,27 @@ export class DownloadStep extends Step<DownloadStepState> {
     }
 
     onActivation(): void {
+        let values = this.dataExporter.getPathDescriptors(this.props.lab.data);
+
         this.setState({
             petriDishDataFilename: IoUtils.basename(this.props.lab.data.filename) + "_Coord_Boite.txt",
             blobMaskDataFilename: IoUtils.basename(this.props.lab.data.filename) + "_Coord_Blob.txt",
             blobMaskFilename: IoUtils.basename(this.props.lab.data.filename) + "_Mask.png",
-            resultsFilename: this.measureExport.exportDryMeasures(this.props.lab.data.workInfo).filename, // dry run juste pour le nom
+            resultsFilename: IoUtils.basename(this.props.lab.data.filename) + ".csv", //this.measureExport.exportDryMeasures(this.props.lab.data.workInfo).filename, // dry run juste pour le nom
+	    area: MathUtils.round(values.area, 1).toString(),
+	    perimeter: MathUtils.round(values.perimeter, 1).toString()
         });
     }
 
     onDeactivation(): void {
+    this.setState({
+            petriDishDataFilename: null,
+            blobMaskDataFilename: null,
+            blobMaskFilename: null,
+            resultsFilename: null,
+	    area: "-",
+	    perimeter: "-"
+        });    
     }
 
     /**
@@ -176,30 +193,57 @@ export class DownloadStep extends Step<DownloadStepState> {
     render() : React.ReactNode {
         return <div>
             <Alert show={!this.state.activable} variant="warning" className={"p-1"}>Veuillez terminer les étapes précédentes.</Alert>
-            <p>Téléchargez les fichiers d'analyse de la photo.</p>
-            <InputGroup className="mb-1">
-                <DownloadButton key="downloadPetriDishDataButtonKey" downloading={false} onClick={this.downloadPetriDishData.bind(this)} disabled={!this.state.active}/>
-                <InputGroup.Text className={"col"}>{ this.state.petriDishDataFilename }</InputGroup.Text>
-            </InputGroup>
-            <InputGroup className="mb-1">
-                <DownloadButton key="downloadBlobMaskDataButtonKey" downloading={false} onClick={this.downloadBlobMaskData.bind(this)} disabled={!this.state.active}/>
-                <InputGroup.Text className={"col"}>{ this.state.blobMaskDataFilename }</InputGroup.Text>
-            </InputGroup>
-            <InputGroup className="mb-1">
-                <DownloadButton key="downloadBlobMaskButtonKey" downloading={false} onClick={this.downloadBlobMask.bind(this)} disabled={!this.state.active}/>
-                <InputGroup.Text className={"col"}>{ this.state.blobMaskFilename }</InputGroup.Text>
+
+            <p>Mesures:</p>
+
+           <InputGroup className="mb-1">
+	         <Button disabled={!this.state.active} variant={"primary"} size={"sm"}>
+                        <i className={"far fa-regular fa-square"}></i>
+                 </Button>
+                <InputGroup.Text className={"col"}>Périmètre: { this.state.perimeter } cm</InputGroup.Text>
             </InputGroup>
-            <InputGroup className="mb-1">
-                <DownloadButton key="downloadResultsButtonKey" downloading={this.state.downloading} onClick={this.downloadResults.bind(this)} disabled={!this.state.active}></DownloadButton>
-                <InputGroup.Text className  ={"col"}>{ this.state.resultsFilename }</InputGroup.Text>
+
+           <InputGroup className="mb-1">
+	         <Button disabled={!this.state.active} variant={"primary"} size={"sm"}>
+                        <i className={"fas fa-square"}></i>
+                 </Button>
+                <InputGroup.Text className={"col"}>Aire: { this.state.area } cm<sup>2</sup></InputGroup.Text>
             </InputGroup>
-            <Row className="mb-1">
-                <Col>
-                    <Button key="mergerButtonKey"  onClick={this.openMerger.bind(this)}><i className="fa-solid fa-object-group me-2"></i>Etape 5' : fusionner les CSV</Button>
-                    <a className={"ms-1"}  href={"http://localhost:8081/docs/index.html#/"} target={"_blank"}>en savoir plus</a>
-                </Col>
-            </Row>
-            <Merger ref={this.mergerRef}></Merger>
+
+	    <p></p>
+
+            <Button onClick={() => this.setState({ showmore: !this.state.showmore })}>Plus de résultats</Button>
+                { this.state.showmore 
+                    ? <div>
+
+                  <p>Téléchargez les fichiers d'analyse de la photo.</p>
+                  <InputGroup className="mb-1">
+                      <DownloadButton key="downloadPetriDishDataButtonKey" downloading={false} onClick={this.downloadPetriDishData.bind(this)} disabled={!this.state.active}/>
+                      <InputGroup.Text className={"col"}>{ this.state.petriDishDataFilename }</InputGroup.Text>
+                  </InputGroup>
+                  <InputGroup className="mb-1">
+                      <DownloadButton key="downloadBlobMaskDataButtonKey" downloading={false} onClick={this.downloadBlobMaskData.bind(this)} disabled={!this.state.active}/>
+                      <InputGroup.Text className={"col"}>{ this.state.blobMaskDataFilename }</InputGroup.Text>
+                  </InputGroup>
+                  <InputGroup className="mb-1">
+                      <DownloadButton key="downloadBlobMaskButtonKey" downloading={false} onClick={this.downloadBlobMask.bind(this)} disabled={!this.state.active}/>
+                      <InputGroup.Text className={"col"}>{ this.state.blobMaskFilename }</InputGroup.Text>
+                  </InputGroup>
+                  <InputGroup className="mb-1">
+                      <DownloadButton key="downloadResultsButtonKey" downloading={this.state.downloading} onClick={this.downloadResults.bind(this)} disabled={!this.state.active}></DownloadButton>
+                      <InputGroup.Text className  ={"col"}>{ this.state.resultsFilename }</InputGroup.Text>
+                  </InputGroup>
+                  <Row className="mb-1">
+                      <Col>
+                          <Button key="mergerButtonKey"  onClick={this.openMerger.bind(this)}><i className="fa-solid fa-object-group me-2"></i>Etape 5' : fusionner les CSV</Button>
+                          <a className={"ms-1"}  href={"docs/index.html#/"} target={"_blank"}>en savoir plus</a>
+                      </Col>
+                  </Row>
+                  <Merger ref={this.mergerRef}></Merger>
+
+                  </div>
+                    : null
+                }
         </div>
     }